parTranslater.c 330.3 KB
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/*
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 * Copyright (c) 2019 TAOS Data, Inc. <jhtao@taosdata.com>
 *
 * This program is free software: you can use, redistribute, and/or modify
 * it under the terms of the GNU Affero General Public License, version 3
 * or later ("AGPL"), as published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program. If not, see <http://www.gnu.org/licenses/>.
 */
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#include "parInt.h"
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#include "catalog.h"
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#include "cmdnodes.h"
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#include "filter.h"
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#include "functionMgt.h"
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#include "parUtil.h"
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#include "scalar.h"
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#include "systable.h"
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#include "tglobal.h"
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#include "ttime.h"
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#define generateDealNodeErrMsg(pCxt, code, ...) \
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  (pCxt->errCode = generateSyntaxErrMsg(&pCxt->msgBuf, code, ##__VA_ARGS__), DEAL_RES_ERROR)
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#define SYSTABLE_SHOW_TYPE_OFFSET QUERY_NODE_SHOW_DNODES_STMT

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typedef struct SRewriteTbNameContext {
  int32_t          errCode;
  char*            pTbName;
} SRewriteTbNameContext;

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typedef struct STranslateContext {
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  SParseContext*   pParseCxt;
  int32_t          errCode;
  SMsgBuf          msgBuf;
  SArray*          pNsLevel;  // element is SArray*, the element of this subarray is STableNode*
  int32_t          currLevel;
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  int32_t          levelNo;
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  ESqlClause       currClause;
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  SNode*           pCurrStmt;
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  SCmdMsgInfo*     pCmdMsg;
  SHashObj*        pDbs;
  SHashObj*        pTables;
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  SHashObj*        pTargetTables;
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  SExplainOptions* pExplainOpt;
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  SParseMetaCache* pMetaCache;
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  bool             createStream;
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  bool             stableQuery;
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  bool             showRewrite;
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} STranslateContext;

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typedef struct SBuildTopicContext {
  bool        colExists;
  bool        colNotFound;
  STableMeta* pMeta;
  SNodeList*  pTags;
} SBuildTopicContext;

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typedef struct SFullDatabaseName {
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  char fullDbName[TSDB_DB_FNAME_LEN];
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} SFullDatabaseName;

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typedef struct SSysTableShowAdapter {
  ENodeType   showType;
  const char* pDbName;
  const char* pTableName;
  int32_t     numOfShowCols;
  const char* pShowCols[2];
} SSysTableShowAdapter;

// clang-format off
static const SSysTableShowAdapter sysTableShowAdapter[] = {
  {
    .showType = QUERY_NODE_SHOW_DNODES_STMT,
    .pDbName = TSDB_INFORMATION_SCHEMA_DB,
    .pTableName = TSDB_INS_TABLE_DNODES,
    .numOfShowCols = 1,
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    .pShowCols = {"*"}
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  },
  {
    .showType = QUERY_NODE_SHOW_MNODES_STMT,
    .pDbName = TSDB_INFORMATION_SCHEMA_DB,
    .pTableName = TSDB_INS_TABLE_MNODES,
    .numOfShowCols = 1,
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    .pShowCols = {"*"}
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  },
  {
    .showType = QUERY_NODE_SHOW_MODULES_STMT,
    .pDbName = TSDB_INFORMATION_SCHEMA_DB,
    .pTableName = TSDB_INS_TABLE_MODULES,
    .numOfShowCols = 1,
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    .pShowCols = {"*"}
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  },
  {
    .showType = QUERY_NODE_SHOW_QNODES_STMT,
    .pDbName = TSDB_INFORMATION_SCHEMA_DB,
    .pTableName = TSDB_INS_TABLE_QNODES,
    .numOfShowCols = 1,
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    .pShowCols = {"*"}
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  },
  {
    .showType = QUERY_NODE_SHOW_SNODES_STMT,
    .pDbName = TSDB_INFORMATION_SCHEMA_DB,
    .pTableName = TSDB_INS_TABLE_SNODES,
    .numOfShowCols = 1,
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    .pShowCols = {"*"}
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  },
  {
    .showType = QUERY_NODE_SHOW_BNODES_STMT,
    .pDbName = TSDB_INFORMATION_SCHEMA_DB,
    .pTableName = TSDB_INS_TABLE_BNODES,
    .numOfShowCols = 1,
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    .pShowCols = {"*"}
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  },
  {
    .showType = QUERY_NODE_SHOW_CLUSTER_STMT,
    .pDbName = TSDB_INFORMATION_SCHEMA_DB,
    .pTableName = TSDB_INS_TABLE_CLUSTER,
    .numOfShowCols = 1,
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    .pShowCols = {"*"}
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  },
  {
    .showType = QUERY_NODE_SHOW_DATABASES_STMT,
    .pDbName = TSDB_INFORMATION_SCHEMA_DB,
    .pTableName = TSDB_INS_TABLE_DATABASES,
    .numOfShowCols = 1,
    .pShowCols = {"name"}
  },
  {
    .showType = QUERY_NODE_SHOW_FUNCTIONS_STMT,
    .pDbName = TSDB_INFORMATION_SCHEMA_DB,
    .pTableName = TSDB_INS_TABLE_FUNCTIONS,
    .numOfShowCols = 1,
    .pShowCols = {"name"}
  },
  {
    .showType = QUERY_NODE_SHOW_INDEXES_STMT,
    .pDbName = TSDB_INFORMATION_SCHEMA_DB,
    .pTableName = TSDB_INS_TABLE_INDEXES,
    .numOfShowCols = 1,
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    .pShowCols = {"*"}
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  },
  {
    .showType = QUERY_NODE_SHOW_STABLES_STMT,
    .pDbName = TSDB_INFORMATION_SCHEMA_DB,
    .pTableName = TSDB_INS_TABLE_STABLES,
    .numOfShowCols = 1,
    .pShowCols = {"stable_name"}
  },
  {
    .showType = QUERY_NODE_SHOW_STREAMS_STMT,
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    .pDbName = TSDB_INFORMATION_SCHEMA_DB,
    .pTableName = TSDB_INS_TABLE_STREAMS,
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    .numOfShowCols = 1,
    .pShowCols = {"stream_name"}
  },
  {
    .showType = QUERY_NODE_SHOW_TABLES_STMT,
    .pDbName = TSDB_INFORMATION_SCHEMA_DB,
    .pTableName = TSDB_INS_TABLE_TABLES,
    .numOfShowCols = 1,
    .pShowCols = {"table_name"}
  },
  {
    .showType = QUERY_NODE_SHOW_TAGS_STMT,
    .pDbName = TSDB_INFORMATION_SCHEMA_DB,
    .pTableName = TSDB_INS_TABLE_TAGS,
    .numOfShowCols = 1,
    .pShowCols = {"*"}
  },
  {
    .showType = QUERY_NODE_SHOW_USERS_STMT,
    .pDbName = TSDB_INFORMATION_SCHEMA_DB,
    .pTableName = TSDB_INS_TABLE_USERS,
    .numOfShowCols = 1,
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    .pShowCols = {"*"}
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  },
  {
    .showType = QUERY_NODE_SHOW_LICENCES_STMT,
    .pDbName = TSDB_INFORMATION_SCHEMA_DB,
    .pTableName = TSDB_INS_TABLE_LICENCES,
    .numOfShowCols = 1,
    .pShowCols = {"*"}
  },
  {
    .showType = QUERY_NODE_SHOW_VGROUPS_STMT,
    .pDbName = TSDB_INFORMATION_SCHEMA_DB,
    .pTableName = TSDB_INS_TABLE_VGROUPS,
    .numOfShowCols = 1,
    .pShowCols = {"*"}
  },
  {
    .showType = QUERY_NODE_SHOW_TOPICS_STMT,
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    .pDbName = TSDB_INFORMATION_SCHEMA_DB,
    .pTableName = TSDB_INS_TABLE_TOPICS,
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    .numOfShowCols = 1,
    .pShowCols = {"topic_name"}
  },
  {
    .showType = QUERY_NODE_SHOW_CONSUMERS_STMT,
    .pDbName = TSDB_PERFORMANCE_SCHEMA_DB,
    .pTableName = TSDB_PERFS_TABLE_CONSUMERS,
    .numOfShowCols = 1,
    .pShowCols = {"*"}
  },
  {
    .showType = QUERY_NODE_SHOW_CONNECTIONS_STMT,
    .pDbName = TSDB_PERFORMANCE_SCHEMA_DB,
    .pTableName = TSDB_PERFS_TABLE_CONNECTIONS,
    .numOfShowCols = 1,
    .pShowCols = {"*"}
  },
  {
    .showType = QUERY_NODE_SHOW_QUERIES_STMT,
    .pDbName = TSDB_PERFORMANCE_SCHEMA_DB,
    .pTableName = TSDB_PERFS_TABLE_QUERIES,
    .numOfShowCols = 1,
    .pShowCols = {"*"}
  },
  {
    .showType = QUERY_NODE_SHOW_APPS_STMT,
    .pDbName = TSDB_PERFORMANCE_SCHEMA_DB,
    .pTableName = TSDB_PERFS_TABLE_APPS,
    .numOfShowCols = 1,
    .pShowCols = {"*"}
  },
  {
    .showType = QUERY_NODE_SHOW_VARIABLES_STMT,
    .pDbName = TSDB_INFORMATION_SCHEMA_DB,
    .pTableName = TSDB_INS_TABLE_CONFIGS,
    .numOfShowCols = 1,
    .pShowCols = {"*"}
  },
  {
    .showType = QUERY_NODE_SHOW_DNODE_VARIABLES_STMT,
    .pDbName = TSDB_INFORMATION_SCHEMA_DB,
    .pTableName = TSDB_INS_TABLE_DNODE_VARIABLES,
    .numOfShowCols = 1,
    .pShowCols = {"*"}
  },
  {
    .showType = QUERY_NODE_SHOW_TRANSACTIONS_STMT,
    .pDbName = TSDB_PERFORMANCE_SCHEMA_DB,
    .pTableName = TSDB_PERFS_TABLE_TRANS,
    .numOfShowCols = 1,
    .pShowCols = {"*"}
  },
  {
    .showType = QUERY_NODE_SHOW_SUBSCRIPTIONS_STMT,
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    .pDbName = TSDB_INFORMATION_SCHEMA_DB,
    .pTableName = TSDB_INS_TABLE_SUBSCRIPTIONS,
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    .numOfShowCols = 1,
    .pShowCols = {"*"}
  },
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  { .showType = QUERY_NODE_SHOW_VNODES_STMT,
    .pDbName = TSDB_INFORMATION_SCHEMA_DB,
    .pTableName = TSDB_INS_TABLE_VNODES,
    .numOfShowCols = 1,
    .pShowCols = {"*"}
  },
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  { .showType = QUERY_NODE_SHOW_USER_PRIVILEGES_STMT,
    .pDbName = TSDB_INFORMATION_SCHEMA_DB,
    .pTableName = TSDB_INS_TABLE_USER_PRIVILEGES,
    .numOfShowCols = 1,
    .pShowCols = {"*"}
  },
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};
// clang-format on

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static int32_t  translateSubquery(STranslateContext* pCxt, SNode* pNode);
static int32_t  translateQuery(STranslateContext* pCxt, SNode* pNode);
static EDealRes translateValue(STranslateContext* pCxt, SValueNode* pVal);
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static bool afterGroupBy(ESqlClause clause) { return clause > SQL_CLAUSE_GROUP_BY; }
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static bool beforeHaving(ESqlClause clause) { return clause < SQL_CLAUSE_HAVING; }
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static bool afterHaving(ESqlClause clause) { return clause > SQL_CLAUSE_HAVING; }

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static bool beforeWindow(ESqlClause clause) { return clause < SQL_CLAUSE_WINDOW; }

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static bool hasSameTableAlias(SArray* pTables) {
  if (taosArrayGetSize(pTables) < 2) {
    return false;
  }
  STableNode* pTable0 = taosArrayGetP(pTables, 0);
  for (int32_t i = 1; i < taosArrayGetSize(pTables); ++i) {
    STableNode* pTable = taosArrayGetP(pTables, i);
    if (0 == strcmp(pTable0->tableAlias, pTable->tableAlias)) {
      return true;
    }
  }
  return false;
}

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static int32_t addNamespace(STranslateContext* pCxt, void* pTable) {
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  size_t currTotalLevel = taosArrayGetSize(pCxt->pNsLevel);
  if (currTotalLevel > pCxt->currLevel) {
    SArray* pTables = taosArrayGetP(pCxt->pNsLevel, pCxt->currLevel);
    taosArrayPush(pTables, &pTable);
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    if (hasSameTableAlias(pTables)) {
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      return generateSyntaxErrMsgExt(&pCxt->msgBuf, TSDB_CODE_PAR_NOT_UNIQUE_TABLE_ALIAS,
                                     "Not unique table/alias: '%s'", ((STableNode*)pTable)->tableAlias);
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    }
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  } else {
    do {
      SArray* pTables = taosArrayInit(TARRAY_MIN_SIZE, POINTER_BYTES);
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      if (NULL == pTables) {
        return TSDB_CODE_OUT_OF_MEMORY;
      }
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      if (pCxt->currLevel == currTotalLevel) {
        taosArrayPush(pTables, &pTable);
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        if (hasSameTableAlias(pTables)) {
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          taosArrayDestroy(pTables);
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          return generateSyntaxErrMsgExt(&pCxt->msgBuf, TSDB_CODE_PAR_NOT_UNIQUE_TABLE_ALIAS,
                                         "Not unique table/alias: '%s'", ((STableNode*)pTable)->tableAlias);
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        }
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      }
      taosArrayPush(pCxt->pNsLevel, &pTables);
      ++currTotalLevel;
    } while (currTotalLevel <= pCxt->currLevel);
  }
  return TSDB_CODE_SUCCESS;
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}

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static int32_t collectUseDatabaseImpl(const char* pFullDbName, SHashObj* pDbs) {
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  SFullDatabaseName name = {0};
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  snprintf(name.fullDbName, sizeof(name.fullDbName), "%s", pFullDbName);
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  return taosHashPut(pDbs, pFullDbName, strlen(pFullDbName), &name, sizeof(SFullDatabaseName));
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}

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static int32_t collectUseDatabase(const SName* pName, SHashObj* pDbs) {
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  char dbFName[TSDB_DB_FNAME_LEN] = {0};
  tNameGetFullDbName(pName, dbFName);
  return collectUseDatabaseImpl(dbFName, pDbs);
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}

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static int32_t collectUseTable(const SName* pName, SHashObj* pTable) {
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  char fullName[TSDB_TABLE_FNAME_LEN];
  tNameExtractFullName(pName, fullName);
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  return taosHashPut(pTable, fullName, strlen(fullName), pName, sizeof(SName));
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}

static int32_t getTableMetaImpl(STranslateContext* pCxt, const SName* pName, STableMeta** pMeta) {
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  SParseContext* pParCxt = pCxt->pParseCxt;
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  int32_t        code = collectUseDatabase(pName, pCxt->pDbs);
  if (TSDB_CODE_SUCCESS == code) {
    code = collectUseTable(pName, pCxt->pTables);
  }
  if (TSDB_CODE_SUCCESS == code) {
    if (pParCxt->async) {
      code = getTableMetaFromCache(pCxt->pMetaCache, pName, pMeta);
    } else {
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      SRequestConnInfo conn = {.pTrans = pParCxt->pTransporter,
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                               .requestId = pParCxt->requestId,
                               .requestObjRefId = pParCxt->requestRid,
                               .mgmtEps = pParCxt->mgmtEpSet};
      code = catalogGetTableMeta(pParCxt->pCatalog, &conn, pName, pMeta);
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    }
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  }
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  if (TSDB_CODE_SUCCESS != code && TSDB_CODE_PAR_TABLE_NOT_EXIST != code) {
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    parserError("0x%" PRIx64 " catalogGetTableMeta error, code:%s, dbName:%s, tbName:%s", pCxt->pParseCxt->requestId,
                tstrerror(code), pName->dbname, pName->tname);
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  }
  return code;
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}

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static int32_t getTableMeta(STranslateContext* pCxt, const char* pDbName, const char* pTableName, STableMeta** pMeta) {
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  SName name;
  return getTableMetaImpl(pCxt, toName(pCxt->pParseCxt->acctId, pDbName, pTableName, &name), pMeta);
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}

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static int32_t getTableCfg(STranslateContext* pCxt, const SName* pName, STableCfg** pCfg) {
  SParseContext* pParCxt = pCxt->pParseCxt;
  int32_t        code = collectUseDatabase(pName, pCxt->pDbs);
  if (TSDB_CODE_SUCCESS == code) {
    code = collectUseTable(pName, pCxt->pTables);
  }
  if (TSDB_CODE_SUCCESS == code) {
    if (pParCxt->async) {
      code = getTableCfgFromCache(pCxt->pMetaCache, pName, pCfg);
    } else {
      SRequestConnInfo conn = {.pTrans = pParCxt->pTransporter,
                               .requestId = pParCxt->requestId,
                               .requestObjRefId = pParCxt->requestRid,
                               .mgmtEps = pParCxt->mgmtEpSet};
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      code = catalogRefreshGetTableCfg(pParCxt->pCatalog, &conn, pName, pCfg);
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    }
  }
  if (TSDB_CODE_SUCCESS != code) {
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    parserError("0x%" PRIx64 " catalogRefreshGetTableCfg error, code:%s, dbName:%s, tbName:%s",
                pCxt->pParseCxt->requestId, tstrerror(code), pName->dbname, pName->tname);
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  }
  return code;
}

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static int32_t refreshGetTableMeta(STranslateContext* pCxt, const char* pDbName, const char* pTableName,
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                                   STableMeta** pMeta) {
  SParseContext* pParCxt = pCxt->pParseCxt;
  SName          name;
  toName(pCxt->pParseCxt->acctId, pDbName, pTableName, &name);
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  int32_t code = TSDB_CODE_SUCCESS;
  if (pParCxt->async) {
    code = getTableMetaFromCache(pCxt->pMetaCache, &name, pMeta);
  } else {
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    SRequestConnInfo conn = {.pTrans = pParCxt->pTransporter,
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                             .requestId = pParCxt->requestId,
                             .requestObjRefId = pParCxt->requestRid,
                             .mgmtEps = pParCxt->mgmtEpSet};
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    code = catalogRefreshGetTableMeta(pParCxt->pCatalog, &conn, &name, pMeta, false);
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  }
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  if (TSDB_CODE_SUCCESS != code) {
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    parserError("0x%" PRIx64 " catalogRefreshGetTableMeta error, code:%s, dbName:%s, tbName:%s",
                pCxt->pParseCxt->requestId, tstrerror(code), pDbName, pTableName);
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  }
  return code;
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}

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static int32_t getDBVgInfoImpl(STranslateContext* pCxt, const SName* pName, SArray** pVgInfo) {
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  SParseContext* pParCxt = pCxt->pParseCxt;
  char           fullDbName[TSDB_DB_FNAME_LEN];
  tNameGetFullDbName(pName, fullDbName);
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  int32_t code = collectUseDatabaseImpl(fullDbName, pCxt->pDbs);
  if (TSDB_CODE_SUCCESS == code) {
    if (pParCxt->async) {
      code = getDbVgInfoFromCache(pCxt->pMetaCache, fullDbName, pVgInfo);
    } else {
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      SRequestConnInfo conn = {.pTrans = pParCxt->pTransporter,
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                               .requestId = pParCxt->requestId,
                               .requestObjRefId = pParCxt->requestRid,
                               .mgmtEps = pParCxt->mgmtEpSet};
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      code = catalogGetDBVgList(pParCxt->pCatalog, &conn, fullDbName, pVgInfo);
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    }
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  }
  if (TSDB_CODE_SUCCESS != code) {
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    parserError("0x%" PRIx64 " catalogGetDBVgList error, code:%s, dbFName:%s", pCxt->pParseCxt->requestId,
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                tstrerror(code), fullDbName);
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  }
  return code;
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}

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static int32_t getDBVgInfo(STranslateContext* pCxt, const char* pDbName, SArray** pVgInfo) {
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  SName name;
  tNameSetDbName(&name, pCxt->pParseCxt->acctId, pDbName, strlen(pDbName));
  char dbFname[TSDB_DB_FNAME_LEN] = {0};
  tNameGetFullDbName(&name, dbFname);
  return getDBVgInfoImpl(pCxt, &name, pVgInfo);
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}

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static int32_t getTableHashVgroupImpl(STranslateContext* pCxt, const SName* pName, SVgroupInfo* pInfo) {
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  SParseContext* pParCxt = pCxt->pParseCxt;
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  int32_t        code = collectUseDatabase(pName, pCxt->pDbs);
  if (TSDB_CODE_SUCCESS == code) {
    code = collectUseTable(pName, pCxt->pTables);
  }
  if (TSDB_CODE_SUCCESS == code) {
    if (pParCxt->async) {
      code = getTableVgroupFromCache(pCxt->pMetaCache, pName, pInfo);
    } else {
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      SRequestConnInfo conn = {.pTrans = pParCxt->pTransporter,
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                               .requestId = pParCxt->requestId,
                               .requestObjRefId = pParCxt->requestRid,
                               .mgmtEps = pParCxt->mgmtEpSet};
      code = catalogGetTableHashVgroup(pParCxt->pCatalog, &conn, pName, pInfo);
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    }
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  }
  if (TSDB_CODE_SUCCESS != code) {
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    parserError("0x%" PRIx64 " catalogGetTableHashVgroup error, code:%s, dbName:%s, tbName:%s",
                pCxt->pParseCxt->requestId, tstrerror(code), pName->dbname, pName->tname);
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  }
  return code;
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}

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static int32_t getTableHashVgroup(STranslateContext* pCxt, const char* pDbName, const char* pTableName,
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                                  SVgroupInfo* pInfo) {
  SName name;
  return getTableHashVgroupImpl(pCxt, toName(pCxt->pParseCxt->acctId, pDbName, pTableName, &name), pInfo);
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}

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static int32_t getDBVgVersion(STranslateContext* pCxt, const char* pDbFName, int32_t* pVersion, int64_t* pDbId,
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                              int32_t* pTableNum, int64_t* pStateTs) {
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  SParseContext* pParCxt = pCxt->pParseCxt;
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  int32_t        code = collectUseDatabaseImpl(pDbFName, pCxt->pDbs);
  if (TSDB_CODE_SUCCESS == code) {
    if (pParCxt->async) {
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      code = getDbVgVersionFromCache(pCxt->pMetaCache, pDbFName, pVersion, pDbId, pTableNum, pStateTs);
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    } else {
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      code = catalogGetDBVgVersion(pParCxt->pCatalog, pDbFName, pVersion, pDbId, pTableNum, pStateTs);
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    }
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  }
  if (TSDB_CODE_SUCCESS != code) {
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    parserError("0x%" PRIx64 " catalogGetDBVgVersion error, code:%s, dbFName:%s", pCxt->pParseCxt->requestId,
                tstrerror(code), pDbFName);
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  }
  return code;
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}

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static int32_t getDBCfg(STranslateContext* pCxt, const char* pDbName, SDbCfgInfo* pInfo) {
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  SParseContext* pParCxt = pCxt->pParseCxt;
  SName          name;
  tNameSetDbName(&name, pCxt->pParseCxt->acctId, pDbName, strlen(pDbName));
  char dbFname[TSDB_DB_FNAME_LEN] = {0};
  tNameGetFullDbName(&name, dbFname);
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  int32_t code = collectUseDatabaseImpl(dbFname, pCxt->pDbs);
  if (TSDB_CODE_SUCCESS == code) {
    if (pParCxt->async) {
      code = getDbCfgFromCache(pCxt->pMetaCache, dbFname, pInfo);
    } else {
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      SRequestConnInfo conn = {.pTrans = pParCxt->pTransporter,
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                               .requestId = pParCxt->requestId,
                               .requestObjRefId = pParCxt->requestRid,
                               .mgmtEps = pParCxt->mgmtEpSet};

      code = catalogGetDBCfg(pParCxt->pCatalog, &conn, dbFname, pInfo);
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    }
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  }
  if (TSDB_CODE_SUCCESS != code) {
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    parserError("0x%" PRIx64 " catalogGetDBCfg error, code:%s, dbFName:%s", pCxt->pParseCxt->requestId, tstrerror(code),
                dbFname);
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  }
  return code;
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}

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static int32_t getUdfInfo(STranslateContext* pCxt, SFunctionNode* pFunc) {
  SParseContext* pParCxt = pCxt->pParseCxt;
  SFuncInfo      funcInfo = {0};
  int32_t        code = TSDB_CODE_SUCCESS;
  if (pParCxt->async) {
    code = getUdfInfoFromCache(pCxt->pMetaCache, pFunc->functionName, &funcInfo);
  } else {
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    SRequestConnInfo conn = {.pTrans = pParCxt->pTransporter,
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                             .requestId = pParCxt->requestId,
                             .requestObjRefId = pParCxt->requestRid,
                             .mgmtEps = pParCxt->mgmtEpSet};

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    code = catalogGetUdfInfo(pParCxt->pCatalog, &conn, pFunc->functionName, &funcInfo);
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  }
  if (TSDB_CODE_SUCCESS == code) {
    pFunc->funcType = FUNCTION_TYPE_UDF;
    pFunc->funcId = TSDB_FUNC_TYPE_AGGREGATE == funcInfo.funcType ? FUNC_AGGREGATE_UDF_ID : FUNC_SCALAR_UDF_ID;
    pFunc->node.resType.type = funcInfo.outputType;
    pFunc->node.resType.bytes = funcInfo.outputLen;
    pFunc->udfBufSize = funcInfo.bufSize;
    tFreeSFuncInfo(&funcInfo);
  }
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  if (TSDB_CODE_SUCCESS != code) {
    parserError("0x%" PRIx64 " catalogGetUdfInfo error, code:%s, funcName:%s", pCxt->pParseCxt->requestId,
                tstrerror(code), pFunc->functionName);
  }
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  return code;
}

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static int32_t getTableIndex(STranslateContext* pCxt, const SName* pName, SArray** pIndexes) {
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  SParseContext* pParCxt = pCxt->pParseCxt;
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  int32_t        code = collectUseDatabase(pName, pCxt->pDbs);
  if (TSDB_CODE_SUCCESS == code) {
    code = collectUseTable(pName, pCxt->pTables);
  }
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  if (TSDB_CODE_SUCCESS == code) {
    if (pParCxt->async) {
      code = getTableIndexFromCache(pCxt->pMetaCache, pName, pIndexes);
    } else {
      SRequestConnInfo conn = {.pTrans = pParCxt->pTransporter,
                               .requestId = pParCxt->requestId,
                               .requestObjRefId = pParCxt->requestRid,
                               .mgmtEps = pParCxt->mgmtEpSet};
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      code = catalogGetTableIndex(pParCxt->pCatalog, &conn, pName, pIndexes);
    }
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  }
  if (TSDB_CODE_SUCCESS != code) {
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    parserError("0x%" PRIx64 " getTableIndex error, code:%s, dbName:%s, tbName:%s", pCxt->pParseCxt->requestId,
                tstrerror(code), pName->dbname, pName->tname);
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  }
  return code;
}

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static int32_t getDnodeList(STranslateContext* pCxt, SArray** pDnodes) {
  SParseContext* pParCxt = pCxt->pParseCxt;
  int32_t        code = TSDB_CODE_SUCCESS;
  if (pParCxt->async) {
    code = getDnodeListFromCache(pCxt->pMetaCache, pDnodes);
  } else {
    SRequestConnInfo conn = {.pTrans = pParCxt->pTransporter,
                             .requestId = pParCxt->requestId,
                             .requestObjRefId = pParCxt->requestRid,
                             .mgmtEps = pParCxt->mgmtEpSet};
    code = catalogGetDnodeList(pParCxt->pCatalog, &conn, pDnodes);
  }
  if (TSDB_CODE_SUCCESS != code) {
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    parserError("0x%" PRIx64 " getDnodeList error, code:%s", pCxt->pParseCxt->requestId, tstrerror(code));
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  }
  return code;
}

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static int32_t initTranslateContext(SParseContext* pParseCxt, SParseMetaCache* pMetaCache, STranslateContext* pCxt) {
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  pCxt->pParseCxt = pParseCxt;
  pCxt->errCode = TSDB_CODE_SUCCESS;
  pCxt->msgBuf.buf = pParseCxt->pMsg;
  pCxt->msgBuf.len = pParseCxt->msgLen;
  pCxt->pNsLevel = taosArrayInit(TARRAY_MIN_SIZE, POINTER_BYTES);
  pCxt->currLevel = 0;
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  pCxt->levelNo = 0;
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  pCxt->currClause = 0;
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  pCxt->pMetaCache = pMetaCache;
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  pCxt->pDbs = taosHashInit(4, taosGetDefaultHashFunction(TSDB_DATA_TYPE_BINARY), true, HASH_NO_LOCK);
  pCxt->pTables = taosHashInit(4, taosGetDefaultHashFunction(TSDB_DATA_TYPE_BINARY), true, HASH_NO_LOCK);
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  pCxt->pTargetTables = taosHashInit(4, taosGetDefaultHashFunction(TSDB_DATA_TYPE_BINARY), true, HASH_NO_LOCK);
  if (NULL == pCxt->pNsLevel || NULL == pCxt->pDbs || NULL == pCxt->pTables || NULL == pCxt->pTargetTables) {
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    return TSDB_CODE_OUT_OF_MEMORY;
  }
  return TSDB_CODE_SUCCESS;
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}

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static int32_t resetTranslateNamespace(STranslateContext* pCxt) {
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  if (NULL != pCxt->pNsLevel) {
    size_t size = taosArrayGetSize(pCxt->pNsLevel);
    for (size_t i = 0; i < size; ++i) {
      taosArrayDestroy(taosArrayGetP(pCxt->pNsLevel, i));
    }
    taosArrayDestroy(pCxt->pNsLevel);
  }
  pCxt->pNsLevel = taosArrayInit(TARRAY_MIN_SIZE, POINTER_BYTES);
  if (NULL == pCxt->pNsLevel) {
    return TSDB_CODE_OUT_OF_MEMORY;
  }
  return TSDB_CODE_SUCCESS;
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}

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static void destroyTranslateContext(STranslateContext* pCxt) {
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  if (NULL != pCxt->pNsLevel) {
    size_t size = taosArrayGetSize(pCxt->pNsLevel);
    for (size_t i = 0; i < size; ++i) {
      taosArrayDestroy(taosArrayGetP(pCxt->pNsLevel, i));
    }
    taosArrayDestroy(pCxt->pNsLevel);
  }
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  if (NULL != pCxt->pCmdMsg) {
    taosMemoryFreeClear(pCxt->pCmdMsg->pMsg);
    taosMemoryFreeClear(pCxt->pCmdMsg);
  }
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  taosHashCleanup(pCxt->pDbs);
  taosHashCleanup(pCxt->pTables);
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  taosHashCleanup(pCxt->pTargetTables);
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}

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static bool isSelectStmt(SNode* pCurrStmt) {
  return NULL != pCurrStmt && QUERY_NODE_SELECT_STMT == nodeType(pCurrStmt);
}

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static bool isDeleteStmt(SNode* pCurrStmt) {
  return NULL != pCurrStmt && QUERY_NODE_DELETE_STMT == nodeType(pCurrStmt);
}

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static bool isSetOperator(SNode* pCurrStmt) {
  return NULL != pCurrStmt && QUERY_NODE_SET_OPERATOR == nodeType(pCurrStmt);
}

static SNodeList* getProjectListFromCurrStmt(SNode* pCurrStmt) {
  if (isSelectStmt(pCurrStmt)) {
    return ((SSelectStmt*)pCurrStmt)->pProjectionList;
  }
  if (isSetOperator(pCurrStmt)) {
    return ((SSetOperator*)pCurrStmt)->pProjectionList;
  }
  return NULL;
}

static uint8_t getPrecisionFromCurrStmt(SNode* pCurrStmt, uint8_t defaultVal) {
  if (isSelectStmt(pCurrStmt)) {
    return ((SSelectStmt*)pCurrStmt)->precision;
  }
  if (isSetOperator(pCurrStmt)) {
    return ((SSetOperator*)pCurrStmt)->precision;
  }
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  if (NULL != pCurrStmt && QUERY_NODE_CREATE_STREAM_STMT == nodeType(pCurrStmt)) {
    return getPrecisionFromCurrStmt(((SCreateStreamStmt*)pCurrStmt)->pQuery, defaultVal);
  }
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  if (isDeleteStmt(pCurrStmt)) {
    return ((SDeleteStmt*)pCurrStmt)->precision;
  }
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  return defaultVal;
}

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static bool isAliasColumn(const SNode* pNode) {
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  return (QUERY_NODE_COLUMN == nodeType(pNode) && ('\0' == ((SColumnNode*)pNode)->tableAlias[0]));
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}

static bool isAggFunc(const SNode* pNode) {
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  return (QUERY_NODE_FUNCTION == nodeType(pNode) && fmIsAggFunc(((SFunctionNode*)pNode)->funcId));
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}

static bool isSelectFunc(const SNode* pNode) {
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  return (QUERY_NODE_FUNCTION == nodeType(pNode) && fmIsSelectFunc(((SFunctionNode*)pNode)->funcId));
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}

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static bool isWindowPseudoColumnFunc(const SNode* pNode) {
  return (QUERY_NODE_FUNCTION == nodeType(pNode) && fmIsWindowPseudoColumnFunc(((SFunctionNode*)pNode)->funcId));
}

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static bool isInterpPseudoColumnFunc(const SNode* pNode) {
  return (QUERY_NODE_FUNCTION == nodeType(pNode) && fmIsInterpPseudoColumnFunc(((SFunctionNode*)pNode)->funcId));
}

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static bool isTimelineFunc(const SNode* pNode) {
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  return (QUERY_NODE_FUNCTION == nodeType(pNode) && fmIsTimelineFunc(((SFunctionNode*)pNode)->funcId));
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}

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static bool isImplicitTsFunc(const SNode* pNode) {
  return (QUERY_NODE_FUNCTION == nodeType(pNode) && fmIsImplicitTsFunc(((SFunctionNode*)pNode)->funcId));
}

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static bool isScanPseudoColumnFunc(const SNode* pNode) {
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  return (QUERY_NODE_FUNCTION == nodeType(pNode) && fmIsScanPseudoColumnFunc(((SFunctionNode*)pNode)->funcId));
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}

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static bool isIndefiniteRowsFunc(const SNode* pNode) {
  return (QUERY_NODE_FUNCTION == nodeType(pNode) && fmIsIndefiniteRowsFunc(((SFunctionNode*)pNode)->funcId));
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}

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static bool isVectorFunc(const SNode* pNode) {
  return (QUERY_NODE_FUNCTION == nodeType(pNode) && fmIsVectorFunc(((SFunctionNode*)pNode)->funcId));
}

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static bool isDistinctOrderBy(STranslateContext* pCxt) {
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  return (SQL_CLAUSE_ORDER_BY == pCxt->currClause && isSelectStmt(pCxt->pCurrStmt) &&
          ((SSelectStmt*)pCxt->pCurrStmt)->isDistinct);
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}

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static bool belongTable(const SColumnNode* pCol, const STableNode* pTable) {
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  int cmp = 0;
  if ('\0' != pCol->dbName[0]) {
    cmp = strcmp(pCol->dbName, pTable->dbName);
  }
  if (0 == cmp) {
    cmp = strcmp(pCol->tableAlias, pTable->tableAlias);
  }
  return (0 == cmp);
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}

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static SNodeList* getProjectList(const SNode* pNode) {
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  if (QUERY_NODE_SELECT_STMT == nodeType(pNode)) {
    return ((SSelectStmt*)pNode)->pProjectionList;
  } else if (QUERY_NODE_SET_OPERATOR == nodeType(pNode)) {
    return ((SSetOperator*)pNode)->pProjectionList;
  }
  return NULL;
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}

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static bool isTimeLineQuery(SNode* pStmt) {
  if (QUERY_NODE_SELECT_STMT == nodeType(pStmt)) {
    return ((SSelectStmt*)pStmt)->isTimeLineResult;
  } else {
    return false;
  }
}

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static bool isGlobalTimeLineQuery(SNode* pStmt) {
  if (!isTimeLineQuery(pStmt)) {
    return false;
  }
  SSelectStmt* pSelect = (SSelectStmt*)pStmt;
  return NULL == pSelect->pPartitionByList || NULL != pSelect->pOrderByList;
}

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static bool isPrimaryKeyImpl(SNode* pExpr) {
  if (QUERY_NODE_COLUMN == nodeType(pExpr)) {
    return (PRIMARYKEY_TIMESTAMP_COL_ID == ((SColumnNode*)pExpr)->colId);
  } else if (QUERY_NODE_FUNCTION == nodeType(pExpr)) {
    SFunctionNode* pFunc = (SFunctionNode*)pExpr;
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    if (FUNCTION_TYPE_SELECT_VALUE == pFunc->funcType || FUNCTION_TYPE_GROUP_KEY == pFunc->funcType ||
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        FUNCTION_TYPE_FIRST == pFunc->funcType || FUNCTION_TYPE_LAST == pFunc->funcType ||
        FUNCTION_TYPE_LAST_ROW == pFunc->funcType) {
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      return isPrimaryKeyImpl(nodesListGetNode(pFunc->pParameterList, 0));
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    } else if (FUNCTION_TYPE_WSTART == pFunc->funcType || FUNCTION_TYPE_WEND == pFunc->funcType ||
               FUNCTION_TYPE_IROWTS == pFunc->funcType) {
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      return true;
    }
  }
  return false;
}

static bool isPrimaryKey(STempTableNode* pTable, SNode* pExpr) {
  if (!isTimeLineQuery(pTable->pSubquery)) {
    return false;
  }
  return isPrimaryKeyImpl(pExpr);
}

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static void setColumnInfoBySchema(const SRealTableNode* pTable, const SSchema* pColSchema, int32_t tagFlag,
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                                  SColumnNode* pCol) {
  strcpy(pCol->dbName, pTable->table.dbName);
  strcpy(pCol->tableAlias, pTable->table.tableAlias);
  strcpy(pCol->tableName, pTable->table.tableName);
  strcpy(pCol->colName, pColSchema->name);
  if ('\0' == pCol->node.aliasName[0]) {
    strcpy(pCol->node.aliasName, pColSchema->name);
  }
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  if ('\0' == pCol->node.userAlias[0]) {
    strcpy(pCol->node.userAlias, pColSchema->name);
  }
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  pCol->tableId = pTable->pMeta->uid;
  pCol->tableType = pTable->pMeta->tableType;
  pCol->colId = pColSchema->colId;
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  pCol->colType = (tagFlag >= 0 ? COLUMN_TYPE_TAG : COLUMN_TYPE_COLUMN);
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  pCol->hasIndex = ((0 == tagFlag) || (pColSchema != NULL && IS_IDX_ON(pColSchema)));
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  pCol->node.resType.type = pColSchema->type;
  pCol->node.resType.bytes = pColSchema->bytes;
  if (TSDB_DATA_TYPE_TIMESTAMP == pCol->node.resType.type) {
    pCol->node.resType.precision = pTable->pMeta->tableInfo.precision;
  }
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}

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static void setColumnInfoByExpr(STempTableNode* pTable, SExprNode* pExpr, SColumnNode** pColRef) {
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  SColumnNode* pCol = *pColRef;

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  if (NULL == pExpr->pAssociation) {
    pExpr->pAssociation = taosArrayInit(TARRAY_MIN_SIZE, POINTER_BYTES);
  }
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  taosArrayPush(pExpr->pAssociation, &pColRef);
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  strcpy(pCol->tableAlias, pTable->table.tableAlias);
  pCol->colId = isPrimaryKey(pTable, (SNode*)pExpr) ? PRIMARYKEY_TIMESTAMP_COL_ID : 0;
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  strcpy(pCol->colName, pExpr->aliasName);
  if ('\0' == pCol->node.aliasName[0]) {
    strcpy(pCol->node.aliasName, pCol->colName);
  }
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  if ('\0' == pCol->node.userAlias[0]) {
    strcpy(pCol->node.userAlias, pCol->colName);
  }
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  pCol->node.resType = pExpr->resType;
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}

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static int32_t createColumnsByTable(STranslateContext* pCxt, const STableNode* pTable, bool igTags, SNodeList* pList) {
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  if (QUERY_NODE_REAL_TABLE == nodeType(pTable)) {
    const STableMeta* pMeta = ((SRealTableNode*)pTable)->pMeta;
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    int32_t           nums = pMeta->tableInfo.numOfColumns +
                   (igTags ? 0 : ((TSDB_SUPER_TABLE == pMeta->tableType) ? pMeta->tableInfo.numOfTags : 0));
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    for (int32_t i = 0; i < nums; ++i) {
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      if (invisibleColumn(pCxt->pParseCxt->enableSysInfo, pMeta->tableType, pMeta->schema[i].flags)) {
        continue;
      }
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      SColumnNode* pCol = (SColumnNode*)nodesMakeNode(QUERY_NODE_COLUMN);
      if (NULL == pCol) {
        return generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_OUT_OF_MEMORY);
      }
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      setColumnInfoBySchema((SRealTableNode*)pTable, pMeta->schema + i, (i - pMeta->tableInfo.numOfColumns), pCol);
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      nodesListAppend(pList, (SNode*)pCol);
    }
  } else {
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    STempTableNode* pTempTable = (STempTableNode*)pTable;
    SNodeList*      pProjectList = getProjectList(pTempTable->pSubquery);
    SNode*          pNode;
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    FOREACH(pNode, pProjectList) {
      SColumnNode* pCol = (SColumnNode*)nodesMakeNode(QUERY_NODE_COLUMN);
      if (NULL == pCol) {
        return generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_OUT_OF_MEMORY);
      }
      nodesListAppend(pList, (SNode*)pCol);
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      SListCell* pCell = nodesListGetCell(pList, LIST_LENGTH(pList) - 1);
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      setColumnInfoByExpr(pTempTable, (SExprNode*)pNode, (SColumnNode**)&pCell->pNode);
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    }
  }
  return TSDB_CODE_SUCCESS;
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}

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static bool isInternalPrimaryKey(const SColumnNode* pCol) {
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  return PRIMARYKEY_TIMESTAMP_COL_ID == pCol->colId &&
         (0 == strcmp(pCol->colName, ROWTS_PSEUDO_COLUMN_NAME) || 0 == strcmp(pCol->colName, C0_PSEUDO_COLUMN_NAME));
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}

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static int32_t findAndSetColumn(STranslateContext* pCxt, SColumnNode** pColRef, const STableNode* pTable,
                                bool* pFound) {
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  SColumnNode* pCol = *pColRef;
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  *pFound = false;
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  if (QUERY_NODE_REAL_TABLE == nodeType(pTable)) {
    const STableMeta* pMeta = ((SRealTableNode*)pTable)->pMeta;
    if (isInternalPrimaryKey(pCol)) {
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      setColumnInfoBySchema((SRealTableNode*)pTable, pMeta->schema, -1, pCol);
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      *pFound = true;
      return TSDB_CODE_SUCCESS;
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    }
    int32_t nums = pMeta->tableInfo.numOfTags + pMeta->tableInfo.numOfColumns;
    for (int32_t i = 0; i < nums; ++i) {
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      if (0 == strcmp(pCol->colName, pMeta->schema[i].name) &&
          !invisibleColumn(pCxt->pParseCxt->enableSysInfo, pMeta->tableType, pMeta->schema[i].flags)) {
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        setColumnInfoBySchema((SRealTableNode*)pTable, pMeta->schema + i, (i - pMeta->tableInfo.numOfColumns), pCol);
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        *pFound = true;
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        break;
      }
    }
  } else {
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    STempTableNode* pTempTable = (STempTableNode*)pTable;
    SNodeList*      pProjectList = getProjectList(pTempTable->pSubquery);
    SNode*          pNode;
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    FOREACH(pNode, pProjectList) {
      SExprNode* pExpr = (SExprNode*)pNode;
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      if (0 == strcmp(pCol->colName, pExpr->aliasName)) {
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        if (*pFound) {
          return generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_AMBIGUOUS_COLUMN, pCol->colName);
        }
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        setColumnInfoByExpr(pTempTable, pExpr, pColRef);
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        *pFound = true;
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      } else if (isPrimaryKey(pTempTable, pNode) && isInternalPrimaryKey(pCol)) {
        setColumnInfoByExpr(pTempTable, pExpr, pColRef);
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        *pFound = true;
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      }
    }
  }
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  return TSDB_CODE_SUCCESS;
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}

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static EDealRes translateColumnWithPrefix(STranslateContext* pCxt, SColumnNode** pCol) {
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  SArray* pTables = taosArrayGetP(pCxt->pNsLevel, pCxt->currLevel);
  size_t  nums = taosArrayGetSize(pTables);
  bool    foundTable = false;
  for (size_t i = 0; i < nums; ++i) {
    STableNode* pTable = taosArrayGetP(pTables, i);
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    if (belongTable((*pCol), pTable)) {
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      foundTable = true;
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      bool foundCol = false;
      pCxt->errCode = findAndSetColumn(pCxt, pCol, pTable, &foundCol);
      if (TSDB_CODE_SUCCESS != pCxt->errCode) {
        return DEAL_RES_ERROR;
      }
      if (foundCol) {
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        break;
      }
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      return generateDealNodeErrMsg(pCxt, TSDB_CODE_PAR_INVALID_COLUMN, (*pCol)->colName);
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    }
  }
  if (!foundTable) {
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    return generateDealNodeErrMsg(pCxt, TSDB_CODE_PAR_TABLE_NOT_EXIST, (*pCol)->tableAlias);
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  }
  return DEAL_RES_CONTINUE;
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}
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static EDealRes translateColumnWithoutPrefix(STranslateContext* pCxt, SColumnNode** pCol) {
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  SArray* pTables = taosArrayGetP(pCxt->pNsLevel, pCxt->currLevel);
  size_t  nums = taosArrayGetSize(pTables);
  bool    found = false;
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  bool    isInternalPk = isInternalPrimaryKey(*pCol);
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  for (size_t i = 0; i < nums; ++i) {
    STableNode* pTable = taosArrayGetP(pTables, i);
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    bool        foundCol = false;
    pCxt->errCode = findAndSetColumn(pCxt, pCol, pTable, &foundCol);
    if (TSDB_CODE_SUCCESS != pCxt->errCode) {
      return DEAL_RES_ERROR;
    }
    if (foundCol) {
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      if (found) {
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        return generateDealNodeErrMsg(pCxt, TSDB_CODE_PAR_AMBIGUOUS_COLUMN, (*pCol)->colName);
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      }
      found = true;
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    }
    if (isInternalPk) {
      break;
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    }
  }
  if (!found) {
    if (isInternalPk) {
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      if (isSelectStmt(pCxt->pCurrStmt) && NULL != ((SSelectStmt*)pCxt->pCurrStmt)->pWindow) {
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        return generateDealNodeErrMsg(pCxt, TSDB_CODE_PAR_NOT_ALLOWED_WIN_QUERY);
      }
      return generateDealNodeErrMsg(pCxt, TSDB_CODE_PAR_INVALID_INTERNAL_PK);
    } else {
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      return generateDealNodeErrMsg(pCxt, TSDB_CODE_PAR_INVALID_COLUMN, (*pCol)->colName);
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    }
  }
  return DEAL_RES_CONTINUE;
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}

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static EDealRes translateColumnUseAlias(STranslateContext* pCxt, SColumnNode** pCol, bool* pFound) {
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  SNodeList* pProjectionList = getProjectListFromCurrStmt(pCxt->pCurrStmt);
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  SNode*     pNode;
  FOREACH(pNode, pProjectionList) {
    SExprNode* pExpr = (SExprNode*)pNode;
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    if (0 == strcmp((*pCol)->colName, pExpr->userAlias)) {
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      SColumnRefNode* pColRef = (SColumnRefNode*)nodesMakeNode(QUERY_NODE_COLUMN_REF);
      if (NULL == pColRef) {
        pCxt->errCode = TSDB_CODE_OUT_OF_MEMORY;
        return DEAL_RES_ERROR;
      }
      strcpy(pColRef->colName, pExpr->aliasName);
      nodesDestroyNode(*(SNode**)pCol);
      *(SNode**)pCol = (SNode*)pColRef;
      *pFound = true;
      return DEAL_RES_CONTINUE;
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    }
  }
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  *pFound = false;
  return DEAL_RES_CONTINUE;
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}

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static EDealRes translateColumn(STranslateContext* pCxt, SColumnNode** pCol) {
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  if (NULL == pCxt->pCurrStmt ||
      (isSelectStmt(pCxt->pCurrStmt) && NULL == ((SSelectStmt*)pCxt->pCurrStmt)->pFromTable)) {
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    return generateDealNodeErrMsg(pCxt, TSDB_CODE_PAR_INVALID_COLUMN, (*pCol)->colName);
  }

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  // count(*)/first(*)/last(*) and so on
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  if (0 == strcmp((*pCol)->colName, "*")) {
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    return DEAL_RES_CONTINUE;
  }

  EDealRes res = DEAL_RES_CONTINUE;
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  if ('\0' != (*pCol)->tableAlias[0]) {
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    res = translateColumnWithPrefix(pCxt, pCol);
  } else {
    bool found = false;
    if (SQL_CLAUSE_ORDER_BY == pCxt->currClause) {
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      res = translateColumnUseAlias(pCxt, pCol, &found);
    }
    if (DEAL_RES_ERROR != res && !found) {
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      if (isSetOperator(pCxt->pCurrStmt)) {
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        res = generateDealNodeErrMsg(pCxt, TSDB_CODE_PAR_INVALID_COLUMN, (*pCol)->colName);
      } else {
        res = translateColumnWithoutPrefix(pCxt, pCol);
      }
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    }
  }
  return res;
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}

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static int32_t parseTimeFromValueNode(STranslateContext* pCxt, SValueNode* pVal) {
  if (IS_NUMERIC_TYPE(pVal->node.resType.type) || TSDB_DATA_TYPE_BOOL == pVal->node.resType.type) {
    if (DEAL_RES_ERROR == translateValue(pCxt, pVal)) {
      return pCxt->errCode;
    }
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    int64_t value = 0;
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    if (IS_UNSIGNED_NUMERIC_TYPE(pVal->node.resType.type)) {
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      value = pVal->datum.u;
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    } else if (IS_FLOAT_TYPE(pVal->node.resType.type)) {
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      value = pVal->datum.d;
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    } else if (TSDB_DATA_TYPE_BOOL == pVal->node.resType.type) {
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      value = pVal->datum.b;
    } else {
      value = pVal->datum.i;
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    }
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    pVal->datum.i = value;
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    return TSDB_CODE_SUCCESS;
  } else if (IS_VAR_DATA_TYPE(pVal->node.resType.type) || TSDB_DATA_TYPE_TIMESTAMP == pVal->node.resType.type) {
    if (TSDB_CODE_SUCCESS == taosParseTime(pVal->literal, &pVal->datum.i, pVal->node.resType.bytes,
                                           pVal->node.resType.precision, tsDaylight)) {
      return TSDB_CODE_SUCCESS;
    }
    char* pEnd = NULL;
    pVal->datum.i = taosStr2Int64(pVal->literal, &pEnd, 10);
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    return (NULL != pEnd && '\0' == *pEnd) ? TSDB_CODE_SUCCESS : TSDB_CODE_PAR_WRONG_VALUE_TYPE;
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  } else {
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    return TSDB_CODE_PAR_WRONG_VALUE_TYPE;
  }
}

static int32_t parseBoolFromValueNode(STranslateContext* pCxt, SValueNode* pVal) {
  if (IS_VAR_DATA_TYPE(pVal->node.resType.type) || TSDB_DATA_TYPE_BOOL == pVal->node.resType.type) {
    pVal->datum.b = (0 == strcasecmp(pVal->literal, "true"));
    return TSDB_CODE_SUCCESS;
  } else if (IS_INTEGER_TYPE(pVal->node.resType.type)) {
    pVal->datum.b = (0 != taosStr2Int64(pVal->literal, NULL, 10));
    return TSDB_CODE_SUCCESS;
  } else if (IS_FLOAT_TYPE(pVal->node.resType.type)) {
    pVal->datum.b = (0 != taosStr2Double(pVal->literal, NULL));
    return TSDB_CODE_SUCCESS;
  } else {
    return TSDB_CODE_PAR_WRONG_VALUE_TYPE;
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  }
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}

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static EDealRes translateDurationValue(STranslateContext* pCxt, SValueNode* pVal) {
  if (parseNatualDuration(pVal->literal, strlen(pVal->literal), &pVal->datum.i, &pVal->unit,
                          pVal->node.resType.precision) != TSDB_CODE_SUCCESS) {
    return generateDealNodeErrMsg(pCxt, TSDB_CODE_PAR_WRONG_VALUE_TYPE, pVal->literal);
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  }
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  *(int64_t*)&pVal->typeData = pVal->datum.i;
  return DEAL_RES_CONTINUE;
}

static EDealRes translateNormalValue(STranslateContext* pCxt, SValueNode* pVal, SDataType targetDt, bool strict) {
  int32_t code = TSDB_CODE_SUCCESS;
  switch (targetDt.type) {
    case TSDB_DATA_TYPE_BOOL:
      if (TSDB_CODE_SUCCESS != parseBoolFromValueNode(pCxt, pVal)) {
        return generateDealNodeErrMsg(pCxt, TSDB_CODE_PAR_WRONG_VALUE_TYPE, pVal->literal);
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      }
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      *(bool*)&pVal->typeData = pVal->datum.b;
      break;
    case TSDB_DATA_TYPE_TINYINT: {
      code = toInteger(pVal->literal, strlen(pVal->literal), 10, &pVal->datum.i);
      if (strict && (TSDB_CODE_SUCCESS != code || !IS_VALID_TINYINT(pVal->datum.i))) {
        return generateDealNodeErrMsg(pCxt, TSDB_CODE_PAR_WRONG_VALUE_TYPE, pVal->literal);
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      }
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      *(int8_t*)&pVal->typeData = pVal->datum.i;
      break;
    }
    case TSDB_DATA_TYPE_SMALLINT: {
      code = toInteger(pVal->literal, strlen(pVal->literal), 10, &pVal->datum.i);
      if (strict && (TSDB_CODE_SUCCESS != code || !IS_VALID_SMALLINT(pVal->datum.i))) {
        return generateDealNodeErrMsg(pCxt, TSDB_CODE_PAR_WRONG_VALUE_TYPE, pVal->literal);
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      }
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      *(int16_t*)&pVal->typeData = pVal->datum.i;
      break;
    }
    case TSDB_DATA_TYPE_INT: {
      code = toInteger(pVal->literal, strlen(pVal->literal), 10, &pVal->datum.i);
      if (strict && (TSDB_CODE_SUCCESS != code || !IS_VALID_INT(pVal->datum.i))) {
        return generateDealNodeErrMsg(pCxt, TSDB_CODE_PAR_WRONG_VALUE_TYPE, pVal->literal);
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      }
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      *(int32_t*)&pVal->typeData = pVal->datum.i;
      break;
    }
    case TSDB_DATA_TYPE_BIGINT: {
      code = toInteger(pVal->literal, strlen(pVal->literal), 10, &pVal->datum.i);
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      if (strict && TSDB_CODE_SUCCESS != code) {
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        return generateDealNodeErrMsg(pCxt, TSDB_CODE_PAR_WRONG_VALUE_TYPE, pVal->literal);
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      }
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      *(int64_t*)&pVal->typeData = pVal->datum.i;
      break;
    }
    case TSDB_DATA_TYPE_UTINYINT: {
      code = toUInteger(pVal->literal, strlen(pVal->literal), 10, &pVal->datum.u);
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      if (strict && (TSDB_CODE_SUCCESS != code || pVal->datum.u > UINT8_MAX)) {
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        return generateDealNodeErrMsg(pCxt, TSDB_CODE_PAR_WRONG_VALUE_TYPE, pVal->literal);
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      }
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      *(uint8_t*)&pVal->typeData = pVal->datum.u;
      break;
    }
    case TSDB_DATA_TYPE_USMALLINT: {
      code = toUInteger(pVal->literal, strlen(pVal->literal), 10, &pVal->datum.u);
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      if (strict && (TSDB_CODE_SUCCESS != code || pVal->datum.u > UINT16_MAX)) {
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        return generateDealNodeErrMsg(pCxt, TSDB_CODE_PAR_WRONG_VALUE_TYPE, pVal->literal);
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      }
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      *(uint16_t*)&pVal->typeData = pVal->datum.u;
      break;
    }
    case TSDB_DATA_TYPE_UINT: {
      code = toUInteger(pVal->literal, strlen(pVal->literal), 10, &pVal->datum.u);
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      if (strict && (TSDB_CODE_SUCCESS != code || pVal->datum.u > UINT32_MAX)) {
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        return generateDealNodeErrMsg(pCxt, TSDB_CODE_PAR_WRONG_VALUE_TYPE, pVal->literal);
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      }
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      *(uint32_t*)&pVal->typeData = pVal->datum.u;
      break;
    }
    case TSDB_DATA_TYPE_UBIGINT: {
      code = toUInteger(pVal->literal, strlen(pVal->literal), 10, &pVal->datum.u);
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      if (strict && TSDB_CODE_SUCCESS != code) {
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        return generateDealNodeErrMsg(pCxt, TSDB_CODE_PAR_WRONG_VALUE_TYPE, pVal->literal);
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      }
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      *(uint64_t*)&pVal->typeData = pVal->datum.u;
      break;
    }
    case TSDB_DATA_TYPE_FLOAT: {
      pVal->datum.d = taosStr2Double(pVal->literal, NULL);
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      if (strict && !IS_VALID_FLOAT(pVal->datum.d)) {
        return generateDealNodeErrMsg(pCxt, TSDB_CODE_PAR_WRONG_VALUE_TYPE, pVal->literal);
      }
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      *(float*)&pVal->typeData = pVal->datum.d;
      break;
    }
    case TSDB_DATA_TYPE_DOUBLE: {
      pVal->datum.d = taosStr2Double(pVal->literal, NULL);
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      if (strict && (((pVal->datum.d == HUGE_VAL || pVal->datum.d == -HUGE_VAL) && errno == ERANGE) ||
                     isinf(pVal->datum.d) || isnan(pVal->datum.d))) {
        return generateDealNodeErrMsg(pCxt, TSDB_CODE_PAR_WRONG_VALUE_TYPE, pVal->literal);
      }
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      *(double*)&pVal->typeData = pVal->datum.d;
      break;
    }
    case TSDB_DATA_TYPE_VARCHAR:
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    case TSDB_DATA_TYPE_VARBINARY:
    case TSDB_DATA_TYPE_GEOMETRY: {
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      if (strict && (pVal->node.resType.bytes > targetDt.bytes - VARSTR_HEADER_SIZE)) {
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        return generateDealNodeErrMsg(pCxt, TSDB_CODE_PAR_WRONG_VALUE_TYPE, pVal->literal);
      }
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      pVal->datum.p = taosMemoryCalloc(1, targetDt.bytes + 1);
      if (NULL == pVal->datum.p) {
        return generateDealNodeErrMsg(pCxt, TSDB_CODE_OUT_OF_MEMORY);
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      }
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      int32_t len = TMIN(targetDt.bytes - VARSTR_HEADER_SIZE, pVal->node.resType.bytes);
      varDataSetLen(pVal->datum.p, len);
      strncpy(varDataVal(pVal->datum.p), pVal->literal, len);
      break;
    }
    case TSDB_DATA_TYPE_TIMESTAMP: {
      if (TSDB_CODE_SUCCESS != parseTimeFromValueNode(pCxt, pVal)) {
        return generateDealNodeErrMsg(pCxt, TSDB_CODE_PAR_WRONG_VALUE_TYPE, pVal->literal);
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      }
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      *(int64_t*)&pVal->typeData = pVal->datum.i;
      break;
    }
    case TSDB_DATA_TYPE_NCHAR: {
      pVal->datum.p = taosMemoryCalloc(1, targetDt.bytes + 1);
      if (NULL == pVal->datum.p) {
        return generateDealNodeErrMsg(pCxt, TSDB_CODE_OUT_OF_MEMORY);
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      }
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      int32_t len = 0;
      if (!taosMbsToUcs4(pVal->literal, strlen(pVal->literal), (TdUcs4*)varDataVal(pVal->datum.p),
                         targetDt.bytes - VARSTR_HEADER_SIZE, &len)) {
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        return generateDealNodeErrMsg(pCxt, TSDB_CODE_PAR_WRONG_VALUE_TYPE, pVal->literal);
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      }
      varDataSetLen(pVal->datum.p, len);
      break;
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    }
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    case TSDB_DATA_TYPE_DECIMAL:
    case TSDB_DATA_TYPE_BLOB:
      return generateDealNodeErrMsg(pCxt, TSDB_CODE_PAR_WRONG_VALUE_TYPE, pVal->literal);
    default:
      break;
  }
  return DEAL_RES_CONTINUE;
}

static EDealRes translateValueImpl(STranslateContext* pCxt, SValueNode* pVal, SDataType targetDt, bool strict) {
  if (pVal->placeholderNo > 0 || pVal->isNull) {
    return DEAL_RES_CONTINUE;
  }

  if (TSDB_DATA_TYPE_NULL == pVal->node.resType.type) {
    pVal->translate = true;
    pVal->isNull = true;
    return DEAL_RES_CONTINUE;
  }

  pVal->node.resType.precision = getPrecisionFromCurrStmt(pCxt->pCurrStmt, targetDt.precision);

  EDealRes res = DEAL_RES_CONTINUE;
  if (pVal->isDuration) {
    res = translateDurationValue(pCxt, pVal);
  } else {
    res = translateNormalValue(pCxt, pVal, targetDt, strict);
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  }
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  pVal->node.resType.type = targetDt.type;
  pVal->node.resType.bytes = targetDt.bytes;
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  pVal->node.resType.scale = pVal->unit;
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  pVal->translate = true;
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  if (!strict && TSDB_DATA_TYPE_UBIGINT == pVal->node.resType.type && pVal->datum.u <= INT64_MAX) {
    pVal->node.resType.type = TSDB_DATA_TYPE_BIGINT;
  }
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  return res;
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}
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static int32_t calcTypeBytes(SDataType dt) {
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  if (TSDB_DATA_TYPE_BINARY == dt.type || TSDB_DATA_TYPE_GEOMETRY == dt.type) {
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    return dt.bytes + VARSTR_HEADER_SIZE;
  } else if (TSDB_DATA_TYPE_NCHAR == dt.type) {
    return dt.bytes * TSDB_NCHAR_SIZE + VARSTR_HEADER_SIZE;
  } else {
    return dt.bytes;
  }
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}

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static EDealRes translateValue(STranslateContext* pCxt, SValueNode* pVal) {
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  if (pVal->translate) {
    return TSDB_CODE_SUCCESS;
  }

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  SDataType dt = pVal->node.resType;
  dt.bytes = calcTypeBytes(dt);
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  return translateValueImpl(pCxt, pVal, dt, false);
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}

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static int32_t doTranslateValue(STranslateContext* pCxt, SValueNode* pVal) {
  return DEAL_RES_ERROR == translateValue(pCxt, pVal) ? pCxt->errCode : TSDB_CODE_SUCCESS;
}

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static bool isMultiResFunc(SNode* pNode) {
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  if (NULL == pNode) {
    return false;
  }
  if (QUERY_NODE_FUNCTION != nodeType(pNode) || !fmIsMultiResFunc(((SFunctionNode*)pNode)->funcId)) {
    return false;
  }
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  if (FUNCTION_TYPE_TAGS == ((SFunctionNode*)pNode)->funcType) {
    return true;
  }
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  SNodeList* pParameterList = ((SFunctionNode*)pNode)->pParameterList;
  if (LIST_LENGTH(pParameterList) > 1) {
    return true;
  }
  SNode* pParam = nodesListGetNode(pParameterList, 0);
  return (QUERY_NODE_COLUMN == nodeType(pParam) ? 0 == strcmp(((SColumnNode*)pParam)->colName, "*") : false);
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}

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static bool dataTypeEqual(const SDataType* l, const SDataType* r) {
  return (l->type == r->type && l->bytes == r->bytes && l->precision == r->precision && l->scale == r->scale);
}

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// 0 means equal, 1 means the left shall prevail, -1 means the right shall prevail
static int32_t dataTypeComp(const SDataType* l, const SDataType* r) {
  if (l->type != r->type) {
    return 1;
  }

  if (l->bytes != r->bytes) {
    return l->bytes > r->bytes ? 1 : -1;
  }

  return (l->precision == r->precision && l->scale == r->scale) ? 0 : 1;
}

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static EDealRes translateOperator(STranslateContext* pCxt, SOperatorNode* pOp) {
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  if (isMultiResFunc(pOp->pLeft)) {
    return generateDealNodeErrMsg(pCxt, TSDB_CODE_PAR_WRONG_VALUE_TYPE, ((SExprNode*)(pOp->pLeft))->aliasName);
  }
  if (isMultiResFunc(pOp->pRight)) {
    return generateDealNodeErrMsg(pCxt, TSDB_CODE_PAR_WRONG_VALUE_TYPE, ((SExprNode*)(pOp->pRight))->aliasName);
  }

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  if (TSDB_CODE_SUCCESS != scalarGetOperatorResultType(pOp)) {
    return generateDealNodeErrMsg(pCxt, TSDB_CODE_PAR_WRONG_VALUE_TYPE, pOp->node.aliasName);
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  }
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  return DEAL_RES_CONTINUE;
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}

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static EDealRes haveVectorFunction(SNode* pNode, void* pContext) {
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  if (isAggFunc(pNode) || isIndefiniteRowsFunc(pNode) || isWindowPseudoColumnFunc(pNode) ||
      isInterpPseudoColumnFunc(pNode)) {
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    *((bool*)pContext) = true;
    return DEAL_RES_END;
  }
  return DEAL_RES_CONTINUE;
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}

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static int32_t findTable(STranslateContext* pCxt, const char* pTableAlias, STableNode** pOutput) {
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  SArray* pTables = taosArrayGetP(pCxt->pNsLevel, pCxt->currLevel);
  size_t  nums = taosArrayGetSize(pTables);
  for (size_t i = 0; i < nums; ++i) {
    STableNode* pTable = taosArrayGetP(pTables, i);
    if (NULL == pTableAlias || 0 == strcmp(pTable->tableAlias, pTableAlias)) {
      *pOutput = pTable;
      return TSDB_CODE_SUCCESS;
    }
  }
  return generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_TABLE_NOT_EXIST, pTableAlias);
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}

static bool isCountStar(SFunctionNode* pFunc) {
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  if (FUNCTION_TYPE_COUNT != pFunc->funcType || 1 != LIST_LENGTH(pFunc->pParameterList)) {
    return false;
  }
  SNode* pPara = nodesListGetNode(pFunc->pParameterList, 0);
  return (QUERY_NODE_COLUMN == nodeType(pPara) && 0 == strcmp(((SColumnNode*)pPara)->colName, "*"));
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}

// count(*) is rewritten as count(ts) for scannning optimization
static int32_t rewriteCountStar(STranslateContext* pCxt, SFunctionNode* pCount) {
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  SColumnNode* pCol = (SColumnNode*)nodesListGetNode(pCount->pParameterList, 0);
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  STableNode*  pTable = NULL;
  int32_t      code = findTable(pCxt, ('\0' == pCol->tableAlias[0] ? NULL : pCol->tableAlias), &pTable);
  if (TSDB_CODE_SUCCESS == code && QUERY_NODE_REAL_TABLE == nodeType(pTable)) {
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    setColumnInfoBySchema((SRealTableNode*)pTable, ((SRealTableNode*)pTable)->pMeta->schema, -1, pCol);
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  }
  return code;
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}

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static bool isCountNotNullValue(SFunctionNode* pFunc) {
  if (FUNCTION_TYPE_COUNT != pFunc->funcType || 1 != LIST_LENGTH(pFunc->pParameterList)) {
    return false;
  }
  SNode* pPara = nodesListGetNode(pFunc->pParameterList, 0);
  return (QUERY_NODE_VALUE == nodeType(pPara) && !((SValueNode*)pPara)->isNull);
}

// count(1) is rewritten as count(ts) for scannning optimization
static int32_t rewriteCountNotNullValue(STranslateContext* pCxt, SFunctionNode* pCount) {
  SValueNode* pValue = (SValueNode*)nodesListGetNode(pCount->pParameterList, 0);
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  STableNode* pTable = NULL;
  int32_t     code = findTable(pCxt, NULL, &pTable);
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  if (TSDB_CODE_SUCCESS == code && QUERY_NODE_REAL_TABLE == nodeType(pTable)) {
    SColumnNode* pCol = (SColumnNode*)nodesMakeNode(QUERY_NODE_COLUMN);
    if (NULL == pCol) {
      code = TSDB_CODE_OUT_OF_MEMORY;
    } else {
      setColumnInfoBySchema((SRealTableNode*)pTable, ((SRealTableNode*)pTable)->pMeta->schema, -1, pCol);
      NODES_DESTORY_LIST(pCount->pParameterList);
      code = nodesListMakeAppend(&pCount->pParameterList, (SNode*)pCol);
    }
  }
  return code;
}

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static bool isCountTbname(SFunctionNode* pFunc) {
  if (FUNCTION_TYPE_COUNT != pFunc->funcType || 1 != LIST_LENGTH(pFunc->pParameterList)) {
    return false;
  }
  SNode* pPara = nodesListGetNode(pFunc->pParameterList, 0);
  return (QUERY_NODE_FUNCTION == nodeType(pPara) && FUNCTION_TYPE_TBNAME == ((SFunctionNode*)pPara)->funcType);
}

// count(tbname) is rewritten as count(ts) for scannning optimization
static int32_t rewriteCountTbname(STranslateContext* pCxt, SFunctionNode* pCount) {
  SFunctionNode* pTbname = (SFunctionNode*)nodesListGetNode(pCount->pParameterList, 0);
  const char*    pTableAlias = NULL;
  if (LIST_LENGTH(pTbname->pParameterList) > 0) {
    pTableAlias = ((SValueNode*)nodesListGetNode(pTbname->pParameterList, 0))->literal;
  }
  STableNode* pTable = NULL;
  int32_t     code = findTable(pCxt, pTableAlias, &pTable);
  if (TSDB_CODE_SUCCESS == code) {
    SColumnNode* pCol = (SColumnNode*)nodesMakeNode(QUERY_NODE_COLUMN);
    if (NULL == pCol) {
      code = TSDB_CODE_OUT_OF_MEMORY;
    } else {
      setColumnInfoBySchema((SRealTableNode*)pTable, ((SRealTableNode*)pTable)->pMeta->schema, -1, pCol);
      NODES_DESTORY_LIST(pCount->pParameterList);
      code = nodesListMakeAppend(&pCount->pParameterList, (SNode*)pCol);
    }
  }
  return code;
}

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static bool hasInvalidFuncNesting(SNodeList* pParameterList) {
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  bool hasInvalidFunc = false;
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  nodesWalkExprs(pParameterList, haveVectorFunction, &hasInvalidFunc);
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  return hasInvalidFunc;
}

static int32_t getFuncInfo(STranslateContext* pCxt, SFunctionNode* pFunc) {
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  // the time precision of the function execution environment
  pFunc->node.resType.precision = getPrecisionFromCurrStmt(pCxt->pCurrStmt, TSDB_TIME_PRECISION_MILLI);
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  int32_t code = fmGetFuncInfo(pFunc, pCxt->msgBuf.buf, pCxt->msgBuf.len);
  if (TSDB_CODE_FUNC_NOT_BUILTIN_FUNTION == code) {
    code = getUdfInfo(pCxt, pFunc);
  }
  return code;
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}

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static int32_t translateAggFunc(STranslateContext* pCxt, SFunctionNode* pFunc) {
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  if (!fmIsAggFunc(pFunc->funcId)) {
    return TSDB_CODE_SUCCESS;
  }
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  if (beforeHaving(pCxt->currClause)) {
    return generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_ILLEGAL_USE_AGG_FUNCTION);
  }
  if (hasInvalidFuncNesting(pFunc->pParameterList)) {
    return generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_AGG_FUNC_NESTING);
  }
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  // The auto-generated COUNT function in the DELETE statement is legal
  if (isSelectStmt(pCxt->pCurrStmt) &&
      (((SSelectStmt*)pCxt->pCurrStmt)->hasIndefiniteRowsFunc || ((SSelectStmt*)pCxt->pCurrStmt)->hasMultiRowsFunc)) {
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    return generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_NOT_ALLOWED_FUNC);
  }

  if (isCountStar(pFunc)) {
    return rewriteCountStar(pCxt, pFunc);
  }
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  if (isCountNotNullValue(pFunc)) {
    return rewriteCountNotNullValue(pCxt, pFunc);
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  }
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  if (isCountTbname(pFunc)) {
    return rewriteCountTbname(pCxt, pFunc);
  }
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  return TSDB_CODE_SUCCESS;
}

static int32_t translateScanPseudoColumnFunc(STranslateContext* pCxt, SFunctionNode* pFunc) {
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  if (!fmIsScanPseudoColumnFunc(pFunc->funcId)) {
    return TSDB_CODE_SUCCESS;
  }
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  if (0 == LIST_LENGTH(pFunc->pParameterList)) {
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    if (!isSelectStmt(pCxt->pCurrStmt) || NULL == ((SSelectStmt*)pCxt->pCurrStmt)->pFromTable ||
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        QUERY_NODE_REAL_TABLE != nodeType(((SSelectStmt*)pCxt->pCurrStmt)->pFromTable)) {
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      return generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_INVALID_TBNAME);
    }
  } else {
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    SValueNode* pVal = (SValueNode*)nodesListGetNode(pFunc->pParameterList, 0);
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    STableNode* pTable = NULL;
    pCxt->errCode = findTable(pCxt, pVal->literal, &pTable);
    if (TSDB_CODE_SUCCESS == pCxt->errCode && (NULL == pTable || QUERY_NODE_REAL_TABLE != nodeType(pTable))) {
      return generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_INVALID_TBNAME);
    }
  }
  return TSDB_CODE_SUCCESS;
}

static int32_t translateIndefiniteRowsFunc(STranslateContext* pCxt, SFunctionNode* pFunc) {
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  if (!fmIsIndefiniteRowsFunc(pFunc->funcId)) {
    return TSDB_CODE_SUCCESS;
  }
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  if (!isSelectStmt(pCxt->pCurrStmt) || SQL_CLAUSE_SELECT != pCxt->currClause) {
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    return generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_NOT_ALLOWED_FUNC);
  }
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  SSelectStmt* pSelect = (SSelectStmt*)pCxt->pCurrStmt;
  if (pSelect->hasAggFuncs || pSelect->hasMultiRowsFunc ||
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      (pSelect->hasIndefiniteRowsFunc &&
       (FUNC_RETURN_ROWS_INDEFINITE == pSelect->returnRows || pSelect->returnRows != fmGetFuncReturnRows(pFunc)))) {
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    return generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_NOT_ALLOWED_FUNC);
  }
  if (NULL != pSelect->pWindow || NULL != pSelect->pGroupByList) {
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    return generateSyntaxErrMsgExt(&pCxt->msgBuf, TSDB_CODE_PAR_NOT_ALLOWED_FUNC,
                                   "%s function is not supported in window query or group query", pFunc->functionName);
  }
  if (hasInvalidFuncNesting(pFunc->pParameterList)) {
    return generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_AGG_FUNC_NESTING);
  }
  return TSDB_CODE_SUCCESS;
}

static int32_t translateMultiRowsFunc(STranslateContext* pCxt, SFunctionNode* pFunc) {
  if (!fmIsMultiRowsFunc(pFunc->funcId)) {
    return TSDB_CODE_SUCCESS;
  }
  if (!isSelectStmt(pCxt->pCurrStmt) || SQL_CLAUSE_SELECT != pCxt->currClause ||
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      ((SSelectStmt*)pCxt->pCurrStmt)->hasIndefiniteRowsFunc || ((SSelectStmt*)pCxt->pCurrStmt)->hasAggFuncs ||
      ((SSelectStmt*)pCxt->pCurrStmt)->hasMultiRowsFunc) {
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    return generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_NOT_ALLOWED_FUNC);
  }
  if (hasInvalidFuncNesting(pFunc->pParameterList)) {
    return generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_AGG_FUNC_NESTING);
  }
  return TSDB_CODE_SUCCESS;
}

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static int32_t translateInterpFunc(STranslateContext* pCxt, SFunctionNode* pFunc) {
  if (!fmIsInterpFunc(pFunc->funcId)) {
    return TSDB_CODE_SUCCESS;
  }
  if (!isSelectStmt(pCxt->pCurrStmt) || SQL_CLAUSE_SELECT != pCxt->currClause) {
    return generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_NOT_ALLOWED_FUNC);
  }
  SSelectStmt* pSelect = (SSelectStmt*)pCxt->pCurrStmt;
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  SNode*       pTable = pSelect->pFromTable;

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  if (pSelect->hasAggFuncs || pSelect->hasMultiRowsFunc || pSelect->hasIndefiniteRowsFunc) {
    return generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_NOT_ALLOWED_FUNC);
  }
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  if (pSelect->hasInterpFunc && (FUNC_RETURN_ROWS_INDEFINITE == pSelect->returnRows || pSelect->returnRows != fmGetFuncReturnRows(pFunc))) {
    return generateSyntaxErrMsgExt(&pCxt->msgBuf, TSDB_CODE_PAR_NOT_ALLOWED_FUNC,
                                "%s ignoring null value options cannot be used when applying to multiple columns", pFunc->functionName);
  }

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  if (NULL != pSelect->pWindow || NULL != pSelect->pGroupByList) {
    return generateSyntaxErrMsgExt(&pCxt->msgBuf, TSDB_CODE_PAR_NOT_ALLOWED_FUNC,
                                   "%s function is not supported in window query or group query", pFunc->functionName);
  }
  if (hasInvalidFuncNesting(pFunc->pParameterList)) {
    return generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_AGG_FUNC_NESTING);
  }
  return TSDB_CODE_SUCCESS;
}

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static int32_t translateInterpPseudoColumnFunc(STranslateContext* pCxt, SFunctionNode* pFunc) {
  if (!fmIsInterpPseudoColumnFunc(pFunc->funcId)) {
    return TSDB_CODE_SUCCESS;
  }
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  if (!isSelectStmt(pCxt->pCurrStmt)) {
    return generateSyntaxErrMsgExt(&pCxt->msgBuf, TSDB_CODE_PAR_NOT_ALLOWED_FUNC,
                                   "%s must be used in select statements", pFunc->functionName);
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  }
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  if (pCxt->currClause == SQL_CLAUSE_WHERE) {
    return generateSyntaxErrMsgExt(&pCxt->msgBuf, TSDB_CODE_PAR_INVALID_INTERP_CLAUSE,
                                   "%s is not allowed in where clause", pFunc->functionName);
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  }
  return TSDB_CODE_SUCCESS;
}

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static int32_t translateTimelineFunc(STranslateContext* pCxt, SFunctionNode* pFunc) {
  if (!fmIsTimelineFunc(pFunc->funcId)) {
    return TSDB_CODE_SUCCESS;
  }
  if (!isSelectStmt(pCxt->pCurrStmt)) {
    return generateSyntaxErrMsgExt(&pCxt->msgBuf, TSDB_CODE_PAR_NOT_ALLOWED_FUNC,
                                   "%s function must be used in select statements", pFunc->functionName);
  }
  SSelectStmt* pSelect = (SSelectStmt*)pCxt->pCurrStmt;
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  if (NULL != pSelect->pFromTable && QUERY_NODE_TEMP_TABLE == nodeType(pSelect->pFromTable) &&
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      !isTimeLineQuery(((STempTableNode*)pSelect->pFromTable)->pSubquery)) {
    return generateSyntaxErrMsgExt(&pCxt->msgBuf, TSDB_CODE_PAR_NOT_ALLOWED_FUNC,
                                   "%s function requires valid time series input", pFunc->functionName);
  }
  return TSDB_CODE_SUCCESS;
}

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static int32_t translateDateTimeFunc(STranslateContext* pCxt, SFunctionNode* pFunc) {
  if (!fmIsDateTimeFunc(pFunc->funcId)) {
    return TSDB_CODE_SUCCESS;
  }
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  if (!isSelectStmt(pCxt->pCurrStmt)) {
    return TSDB_CODE_SUCCESS;
  }

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  SSelectStmt* pSelect = (SSelectStmt*)pCxt->pCurrStmt;
  pFunc->node.resType.precision = pSelect->precision;

  return TSDB_CODE_SUCCESS;
}

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static bool hasFillClause(SNode* pCurrStmt) {
  if (!isSelectStmt(pCurrStmt)) {
    return false;
  }
  SSelectStmt* pSelect = (SSelectStmt*)pCurrStmt;
  return NULL != pSelect->pWindow && QUERY_NODE_INTERVAL_WINDOW == nodeType(pSelect->pWindow) &&
         NULL != ((SIntervalWindowNode*)pSelect->pWindow)->pFill;
}

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static int32_t translateForbidFillFunc(STranslateContext* pCxt, SFunctionNode* pFunc) {
  if (!fmIsForbidFillFunc(pFunc->funcId)) {
    return TSDB_CODE_SUCCESS;
  }
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  if (hasFillClause(pCxt->pCurrStmt)) {
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    return generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_FILL_NOT_ALLOWED_FUNC, pFunc->functionName);
  }
  return TSDB_CODE_SUCCESS;
}

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static int32_t translateWindowPseudoColumnFunc(STranslateContext* pCxt, SFunctionNode* pFunc) {
  if (!fmIsWindowPseudoColumnFunc(pFunc->funcId)) {
    return TSDB_CODE_SUCCESS;
  }
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  if (!isSelectStmt(pCxt->pCurrStmt) || NULL == ((SSelectStmt*)pCxt->pCurrStmt)->pWindow) {
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    return generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_INVALID_WINDOW_PC);
  }
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  if (beforeWindow(pCxt->currClause)) {
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    return generateSyntaxErrMsgExt(&pCxt->msgBuf, TSDB_CODE_PAR_INVALID_WINDOW_PC, "There mustn't be %s",
                                   pFunc->functionName);
  }
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  return TSDB_CODE_SUCCESS;
}

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static int32_t translateForbidStreamFunc(STranslateContext* pCxt, SFunctionNode* pFunc) {
  if (!fmIsForbidStreamFunc(pFunc->funcId)) {
    return TSDB_CODE_SUCCESS;
  }
  if (pCxt->createStream) {
    return generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_STREAM_NOT_ALLOWED_FUNC, pFunc->functionName);
  }
  return TSDB_CODE_SUCCESS;
}

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static int32_t translateRepeatScanFunc(STranslateContext* pCxt, SFunctionNode* pFunc) {
  if (!fmIsRepeatScanFunc(pFunc->funcId)) {
    return TSDB_CODE_SUCCESS;
  }
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  if (!isSelectStmt(pCxt->pCurrStmt)) {
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    return generateSyntaxErrMsgExt(&pCxt->msgBuf, TSDB_CODE_PAR_ONLY_SUPPORT_SINGLE_TABLE,
                                   "%s is only supported in single table query", pFunc->functionName);
  }
  SSelectStmt* pSelect = (SSelectStmt*)pCxt->pCurrStmt;
  SNode*       pTable = pSelect->pFromTable;
  // select percentile() without from clause is also valid
  if ((NULL != pTable && (QUERY_NODE_REAL_TABLE != nodeType(pTable) ||
                          (TSDB_CHILD_TABLE != ((SRealTableNode*)pTable)->pMeta->tableType &&
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                           TSDB_NORMAL_TABLE != ((SRealTableNode*)pTable)->pMeta->tableType)))) {
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    return generateSyntaxErrMsgExt(&pCxt->msgBuf, TSDB_CODE_PAR_ONLY_SUPPORT_SINGLE_TABLE,
                                   "%s is only supported in single table query", pFunc->functionName);
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  }
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  if (NULL != pSelect->pPartitionByList) {
    return generateSyntaxErrMsgExt(&pCxt->msgBuf, TSDB_CODE_PAR_NOT_ALLOWED_FUNC,
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                                   "%s function is not supported in partition query", pFunc->functionName);
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  }
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  return TSDB_CODE_SUCCESS;
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}

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static int32_t translateBlockDistFunc(STranslateContext* pCtx, SFunctionNode* pFunc) {
  if (!fmIsBlockDistFunc(pFunc->funcId)) {
    return TSDB_CODE_SUCCESS;
  }
  if (!isSelectStmt(pCtx->pCurrStmt)) {
    return generateSyntaxErrMsgExt(&pCtx->msgBuf, TSDB_CODE_PAR_ONLY_SUPPORT_SINGLE_TABLE,
                                   "%s is only supported in single table query", pFunc->functionName);
  }
  SSelectStmt* pSelect = (SSelectStmt*)pCtx->pCurrStmt;
  SNode*       pTable = pSelect->pFromTable;
  if (NULL != pTable && (QUERY_NODE_REAL_TABLE != nodeType(pTable) ||
                         (TSDB_SUPER_TABLE != ((SRealTableNode*)pTable)->pMeta->tableType &&
                          TSDB_CHILD_TABLE != ((SRealTableNode*)pTable)->pMeta->tableType &&
                          TSDB_NORMAL_TABLE != ((SRealTableNode*)pTable)->pMeta->tableType))) {
    return generateSyntaxErrMsgExt(&pCtx->msgBuf, TSDB_CODE_PAR_NOT_ALLOWED_FUNC,
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                                   "%s is only supported on super table, child table or normal table",
                                   pFunc->functionName);
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  }
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  return TSDB_CODE_SUCCESS;
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}

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static bool isStar(SNode* pNode) {
  return (QUERY_NODE_COLUMN == nodeType(pNode)) && ('\0' == ((SColumnNode*)pNode)->tableAlias[0]) &&
         (0 == strcmp(((SColumnNode*)pNode)->colName, "*"));
}

static bool isTableStar(SNode* pNode) {
  return (QUERY_NODE_COLUMN == nodeType(pNode)) && ('\0' != ((SColumnNode*)pNode)->tableAlias[0]) &&
         (0 == strcmp(((SColumnNode*)pNode)->colName, "*"));
}

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static bool isStarParam(SNode* pNode) { return isStar(pNode) || isTableStar(pNode); }

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static int32_t translateMultiResFunc(STranslateContext* pCxt, SFunctionNode* pFunc) {
  if (!fmIsMultiResFunc(pFunc->funcId)) {
    return TSDB_CODE_SUCCESS;
  }
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  if (SQL_CLAUSE_SELECT != pCxt->currClause) {
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    SNode* pPara = nodesListGetNode(pFunc->pParameterList, 0);
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    if (isStarParam(pPara)) {
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      return generateSyntaxErrMsgExt(&pCxt->msgBuf, TSDB_CODE_PAR_NOT_ALLOWED_FUNC,
                                     "%s(*) is only supported in SELECTed list", pFunc->functionName);
    }
  }
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  if (tsKeepColumnName && 1 == LIST_LENGTH(pFunc->pParameterList) && !pFunc->node.asAlias) {
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    strcpy(pFunc->node.userAlias, ((SExprNode*)nodesListGetNode(pFunc->pParameterList, 0))->userAlias);
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    strcpy(pFunc->node.aliasName, pFunc->node.userAlias);
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  }
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  return TSDB_CODE_SUCCESS;
}
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static int32_t getMultiResFuncNum(SNodeList* pParameterList) {
  if (1 == LIST_LENGTH(pParameterList)) {
1720
    return isStarParam(nodesListGetNode(pParameterList, 0)) ? 2 : 1;
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  }
  return LIST_LENGTH(pParameterList);
}

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static int32_t calcSelectFuncNum(SFunctionNode* pFunc, int32_t currSelectFuncNum) {
  if (fmIsCumulativeFunc(pFunc->funcId)) {
    return currSelectFuncNum > 0 ? currSelectFuncNum : 1;
  }
  return currSelectFuncNum + ((fmIsMultiResFunc(pFunc->funcId) && !fmIsLastRowFunc(pFunc->funcId))
                                  ? getMultiResFuncNum(pFunc->pParameterList)
                                  : 1);
}

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static void setFuncClassification(SNode* pCurrStmt, SFunctionNode* pFunc) {
  if (NULL != pCurrStmt && QUERY_NODE_SELECT_STMT == nodeType(pCurrStmt)) {
    SSelectStmt* pSelect = (SSelectStmt*)pCurrStmt;
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    pSelect->hasAggFuncs = pSelect->hasAggFuncs ? true : fmIsAggFunc(pFunc->funcId);
    pSelect->hasRepeatScanFuncs = pSelect->hasRepeatScanFuncs ? true : fmIsRepeatScanFunc(pFunc->funcId);
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    if (fmIsIndefiniteRowsFunc(pFunc->funcId)) {
      pSelect->hasIndefiniteRowsFunc = true;
      pSelect->returnRows = fmGetFuncReturnRows(pFunc);
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    } else if (fmIsInterpFunc(pFunc->funcId)) {
      pSelect->returnRows = fmGetFuncReturnRows(pFunc);
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    }
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1747
    pSelect->hasMultiRowsFunc = pSelect->hasMultiRowsFunc ? true : fmIsMultiRowsFunc(pFunc->funcId);
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    if (fmIsSelectFunc(pFunc->funcId)) {
      pSelect->hasSelectFunc = true;
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      pSelect->selectFuncNum = calcSelectFuncNum(pFunc, pSelect->selectFuncNum);
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    } else if (fmIsVectorFunc(pFunc->funcId)) {
1752 1753
      pSelect->hasOtherVectorFunc = true;
    }
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    pSelect->hasUniqueFunc = pSelect->hasUniqueFunc ? true : (FUNCTION_TYPE_UNIQUE == pFunc->funcType);
    pSelect->hasTailFunc = pSelect->hasTailFunc ? true : (FUNCTION_TYPE_TAIL == pFunc->funcType);
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    pSelect->hasInterpFunc = pSelect->hasInterpFunc ? true : (FUNCTION_TYPE_INTERP == pFunc->funcType);
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    pSelect->hasInterpPseudoColFunc =
        pSelect->hasInterpPseudoColFunc ? true : fmIsInterpPseudoColumnFunc(pFunc->funcId);
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    pSelect->hasLastRowFunc = pSelect->hasLastRowFunc ? true : (FUNCTION_TYPE_LAST_ROW == pFunc->funcType);
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    pSelect->hasLastFunc = pSelect->hasLastFunc ? true : (FUNCTION_TYPE_LAST == pFunc->funcType);
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    pSelect->hasTimeLineFunc = pSelect->hasTimeLineFunc ? true : fmIsTimelineFunc(pFunc->funcId);
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    pSelect->hasUdaf = pSelect->hasUdaf ? true : fmIsUserDefinedFunc(pFunc->funcId) && fmIsAggFunc(pFunc->funcId);
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    pSelect->onlyHasKeepOrderFunc = pSelect->onlyHasKeepOrderFunc ? fmIsKeepOrderFunc(pFunc->funcId) : false;
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  }
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}

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static int32_t rewriteFuncToValue(STranslateContext* pCxt, char* pLiteral, SNode** pNode) {
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  SValueNode* pVal = (SValueNode*)nodesMakeNode(QUERY_NODE_VALUE);
  if (NULL == pVal) {
    return TSDB_CODE_OUT_OF_MEMORY;
  }
  strcpy(pVal->node.aliasName, ((SExprNode*)*pNode)->aliasName);
  pVal->node.resType = ((SExprNode*)*pNode)->resType;
  if (NULL == pLiteral) {
    pVal->isNull = true;
  } else {
    pVal->literal = pLiteral;
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    if (IS_VAR_DATA_TYPE(pVal->node.resType.type)) {
      pVal->node.resType.bytes = strlen(pLiteral);
    }
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  }
  if (DEAL_RES_ERROR != translateValue(pCxt, pVal)) {
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    nodesDestroyNode(*pNode);
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    *pNode = (SNode*)pVal;
  } else {
    nodesDestroyNode((SNode*)pVal);
  }
  return pCxt->errCode;
}

static int32_t rewriteDatabaseFunc(STranslateContext* pCxt, SNode** pNode) {
  char* pCurrDb = NULL;
  if (NULL != pCxt->pParseCxt->db) {
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    pCurrDb = taosStrdup((void*)pCxt->pParseCxt->db);
1795 1796
    if (NULL == pCurrDb) {
      return TSDB_CODE_OUT_OF_MEMORY;
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    }
  }
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  return rewriteFuncToValue(pCxt, pCurrDb, pNode);
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}
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static int32_t rewriteClentVersionFunc(STranslateContext* pCxt, SNode** pNode) {
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  char* pVer = taosStrdup((void*)version);
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  if (NULL == pVer) {
    return TSDB_CODE_OUT_OF_MEMORY;
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  }
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  return rewriteFuncToValue(pCxt, pVer, pNode);
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}

static int32_t rewriteServerVersionFunc(STranslateContext* pCxt, SNode** pNode) {
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  char* pVer = taosStrdup((void*)pCxt->pParseCxt->svrVer);
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  if (NULL == pVer) {
    return TSDB_CODE_OUT_OF_MEMORY;
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  }
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  return rewriteFuncToValue(pCxt, pVer, pNode);
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}

static int32_t rewriteServerStatusFunc(STranslateContext* pCxt, SNode** pNode) {
  if (pCxt->pParseCxt->nodeOffline) {
    return TSDB_CODE_RPC_NETWORK_UNAVAIL;
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  }
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  char* pStatus = taosStrdup((void*)"1");
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  return rewriteFuncToValue(pCxt, pStatus, pNode);
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}

static int32_t rewriteUserFunc(STranslateContext* pCxt, SNode** pNode) {
  char    userConn[TSDB_USER_LEN + 1 + TSDB_FQDN_LEN] = {0};  // format 'user@host'
  int32_t len = snprintf(userConn, sizeof(userConn), "%s@", pCxt->pParseCxt->pUser);
  taosGetFqdn(userConn + len);
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  char* pUserConn = taosStrdup((void*)userConn);
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  if (NULL == pUserConn) {
    return TSDB_CODE_OUT_OF_MEMORY;
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  }
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  return rewriteFuncToValue(pCxt, pUserConn, pNode);
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}

static int32_t rewriteSystemInfoFunc(STranslateContext* pCxt, SNode** pNode) {
  switch (((SFunctionNode*)*pNode)->funcType) {
    case FUNCTION_TYPE_DATABASE:
      return rewriteDatabaseFunc(pCxt, pNode);
    case FUNCTION_TYPE_CLIENT_VERSION:
      return rewriteClentVersionFunc(pCxt, pNode);
    case FUNCTION_TYPE_SERVER_VERSION:
      return rewriteServerVersionFunc(pCxt, pNode);
    case FUNCTION_TYPE_SERVER_STATUS:
      return rewriteServerStatusFunc(pCxt, pNode);
    case FUNCTION_TYPE_CURRENT_USER:
    case FUNCTION_TYPE_USER:
      return rewriteUserFunc(pCxt, pNode);
    default:
      break;
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  }
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  return TSDB_CODE_PAR_INTERNAL_ERROR;
}

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static int32_t translateNormalFunction(STranslateContext* pCxt, SFunctionNode* pFunc) {
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  int32_t code = translateAggFunc(pCxt, pFunc);
  if (TSDB_CODE_SUCCESS == code) {
    code = translateScanPseudoColumnFunc(pCxt, pFunc);
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  }
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  if (TSDB_CODE_SUCCESS == code) {
    code = translateIndefiniteRowsFunc(pCxt, pFunc);
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  }
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  if (TSDB_CODE_SUCCESS == code) {
    code = translateForbidFillFunc(pCxt, pFunc);
  }
  if (TSDB_CODE_SUCCESS == code) {
    code = translateWindowPseudoColumnFunc(pCxt, pFunc);
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  }
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  if (TSDB_CODE_SUCCESS == code) {
    code = translateForbidStreamFunc(pCxt, pFunc);
  }
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  if (TSDB_CODE_SUCCESS == code) {
    code = translateRepeatScanFunc(pCxt, pFunc);
  }
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  if (TSDB_CODE_SUCCESS == code) {
    code = translateMultiResFunc(pCxt, pFunc);
  }
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  if (TSDB_CODE_SUCCESS == code) {
    code = translateMultiRowsFunc(pCxt, pFunc);
  }
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  if (TSDB_CODE_SUCCESS == code) {
    code = translateInterpFunc(pCxt, pFunc);
  }
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  if (TSDB_CODE_SUCCESS == code) {
    code = translateInterpPseudoColumnFunc(pCxt, pFunc);
  }
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  if (TSDB_CODE_SUCCESS == code) {
    code = translateTimelineFunc(pCxt, pFunc);
  }
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  if (TSDB_CODE_SUCCESS == code) {
    code = translateDateTimeFunc(pCxt, pFunc);
  }
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  if (TSDB_CODE_SUCCESS == code) {
    code = translateBlockDistFunc(pCxt, pFunc);
  }
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  if (TSDB_CODE_SUCCESS == code) {
    setFuncClassification(pCxt->pCurrStmt, pFunc);
  }
  return code;
}

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static int32_t rewriteQueryTimeFunc(STranslateContext* pCxt, int64_t val, SNode** pNode) {
  if (INT64_MIN == val || INT64_MAX == val) {
    return rewriteFuncToValue(pCxt, NULL, pNode);
  }

  char* pStr = taosMemoryCalloc(1, 20);
  if (NULL == pStr) {
    return TSDB_CODE_OUT_OF_MEMORY;
  }
  snprintf(pStr, 20, "%" PRId64 "", val);
  return rewriteFuncToValue(pCxt, pStr, pNode);
}

static int32_t rewriteQstartFunc(STranslateContext* pCxt, SNode** pNode) {
  return rewriteQueryTimeFunc(pCxt, ((SSelectStmt*)pCxt->pCurrStmt)->timeRange.skey, pNode);
}

static int32_t rewriteQendFunc(STranslateContext* pCxt, SNode** pNode) {
  return rewriteQueryTimeFunc(pCxt, ((SSelectStmt*)pCxt->pCurrStmt)->timeRange.ekey, pNode);
}

static int32_t rewriteQdurationFunc(STranslateContext* pCxt, SNode** pNode) {
  STimeWindow range = ((SSelectStmt*)pCxt->pCurrStmt)->timeRange;
  if (INT64_MIN == range.skey || INT64_MAX == range.ekey) {
    return rewriteQueryTimeFunc(pCxt, INT64_MIN, pNode);
  }
  return rewriteQueryTimeFunc(pCxt, range.ekey - range.skey + 1, pNode);
}

static int32_t rewriteClientPseudoColumnFunc(STranslateContext* pCxt, SNode** pNode) {
  if (NULL == pCxt->pCurrStmt || QUERY_NODE_SELECT_STMT != nodeType(pCxt->pCurrStmt) ||
      pCxt->currClause <= SQL_CLAUSE_WHERE) {
    return generateSyntaxErrMsgExt(&pCxt->msgBuf, TSDB_CODE_PAR_NOT_ALLOWED_FUNC, "Illegal pseudo column");
  }
  switch (((SFunctionNode*)*pNode)->funcType) {
    case FUNCTION_TYPE_QSTART:
      return rewriteQstartFunc(pCxt, pNode);
    case FUNCTION_TYPE_QEND:
      return rewriteQendFunc(pCxt, pNode);
    case FUNCTION_TYPE_QDURATION:
      return rewriteQdurationFunc(pCxt, pNode);
    default:
      break;
  }
  return TSDB_CODE_PAR_INTERNAL_ERROR;
}

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static int32_t translateFunctionImpl(STranslateContext* pCxt, SFunctionNode** pFunc) {
  if (fmIsSystemInfoFunc((*pFunc)->funcId)) {
    return rewriteSystemInfoFunc(pCxt, (SNode**)pFunc);
  }
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  if (fmIsClientPseudoColumnFunc((*pFunc)->funcId)) {
    return rewriteClientPseudoColumnFunc(pCxt, (SNode**)pFunc);
  }
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  return translateNormalFunction(pCxt, *pFunc);
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}

static EDealRes translateFunction(STranslateContext* pCxt, SFunctionNode** pFunc) {
  SNode* pParam = NULL;
  FOREACH(pParam, (*pFunc)->pParameterList) {
    if (isMultiResFunc(pParam)) {
      return generateDealNodeErrMsg(pCxt, TSDB_CODE_PAR_WRONG_VALUE_TYPE, ((SExprNode*)pParam)->aliasName);
    }
  }

  pCxt->errCode = getFuncInfo(pCxt, *pFunc);
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  if (TSDB_CODE_SUCCESS == pCxt->errCode) {
1970
    pCxt->errCode = translateFunctionImpl(pCxt, pFunc);
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  }
  return TSDB_CODE_SUCCESS == pCxt->errCode ? DEAL_RES_CONTINUE : DEAL_RES_ERROR;
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}

static EDealRes translateExprSubquery(STranslateContext* pCxt, SNode* pNode) {
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  return (TSDB_CODE_SUCCESS == translateSubquery(pCxt, pNode) ? DEAL_RES_CONTINUE : DEAL_RES_ERROR);
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}

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static EDealRes translateLogicCond(STranslateContext* pCxt, SLogicConditionNode* pCond) {
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  pCond->node.resType.type = TSDB_DATA_TYPE_BOOL;
  pCond->node.resType.bytes = tDataTypes[TSDB_DATA_TYPE_BOOL].bytes;
  return DEAL_RES_CONTINUE;
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}

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static int32_t createCastFunc(STranslateContext* pCxt, SNode* pExpr, SDataType dt, SNode** pCast) {
  SFunctionNode* pFunc = (SFunctionNode*)nodesMakeNode(QUERY_NODE_FUNCTION);
  if (NULL == pFunc) {
    return TSDB_CODE_OUT_OF_MEMORY;
  }
  strcpy(pFunc->functionName, "cast");
  pFunc->node.resType = dt;
  if (TSDB_CODE_SUCCESS != nodesListMakeAppend(&pFunc->pParameterList, pExpr)) {
    nodesDestroyNode((SNode*)pFunc);
    return TSDB_CODE_OUT_OF_MEMORY;
  }
  if (TSDB_CODE_SUCCESS != getFuncInfo(pCxt, pFunc)) {
    nodesClearList(pFunc->pParameterList);
    pFunc->pParameterList = NULL;
    nodesDestroyNode((SNode*)pFunc);
    return generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_WRONG_VALUE_TYPE, ((SExprNode*)pExpr)->aliasName);
  }
  *pCast = (SNode*)pFunc;
  return TSDB_CODE_SUCCESS;
}

static EDealRes translateWhenThen(STranslateContext* pCxt, SWhenThenNode* pWhenThen) {
  pWhenThen->node.resType = ((SExprNode*)pWhenThen->pThen)->resType;
  return DEAL_RES_CONTINUE;
}

2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 2022 2023 2024 2025 2026 2027 2028 2029 2030
static bool isCondition(const SNode* pNode) {
  if (QUERY_NODE_OPERATOR == nodeType(pNode)) {
    return nodesIsComparisonOp((const SOperatorNode*)pNode);
  }
  return (QUERY_NODE_LOGIC_CONDITION == nodeType(pNode));
}

static int32_t rewriteIsTrue(SNode* pSrc, SNode** pIsTrue) {
  SOperatorNode* pOp = (SOperatorNode*)nodesMakeNode(QUERY_NODE_OPERATOR);
  if (NULL == pOp) {
    return TSDB_CODE_OUT_OF_MEMORY;
  }
  pOp->opType = OP_TYPE_IS_TRUE;
  pOp->pLeft = pSrc;
  pOp->node.resType.type = TSDB_DATA_TYPE_BOOL;
  pOp->node.resType.bytes = tDataTypes[TSDB_DATA_TYPE_BOOL].bytes;
  *pIsTrue = (SNode*)pOp;
  return TSDB_CODE_SUCCESS;
}

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static EDealRes translateCaseWhen(STranslateContext* pCxt, SCaseWhenNode* pCaseWhen) {
  bool   first = true;
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  bool   allNullThen = true;
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  SNode* pNode = NULL;
  FOREACH(pNode, pCaseWhen->pWhenThenList) {
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    SWhenThenNode* pWhenThen = (SWhenThenNode*)pNode;
    if (NULL == pCaseWhen->pCase && !isCondition(pWhenThen->pWhen)) {
      SNode* pIsTrue = NULL;
      pCxt->errCode = rewriteIsTrue(pWhenThen->pWhen, &pIsTrue);
      if (TSDB_CODE_SUCCESS != pCxt->errCode) {
        return DEAL_RES_ERROR;
      }
      pWhenThen->pWhen = pIsTrue;
    }
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    SExprNode* pThenExpr = (SExprNode*)pNode;
    if (TSDB_DATA_TYPE_NULL == pThenExpr->resType.type) {
      continue;
    }
    allNullThen = false;
    if (first || dataTypeComp(&pCaseWhen->node.resType, &pThenExpr->resType) < 0) {
      pCaseWhen->node.resType = pThenExpr->resType;
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    }
    first = false;
  }

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  if (allNullThen) {
    if (NULL != pCaseWhen->pElse) {
      pCaseWhen->node.resType = ((SExprNode*)pCaseWhen->pElse)->resType;
    } else {
      pCaseWhen->node.resType.type = TSDB_DATA_TYPE_NULL;
      pCaseWhen->node.resType.bytes = tDataTypes[TSDB_DATA_TYPE_NULL].bytes;
      return DEAL_RES_CONTINUE;
    }
  }

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  FOREACH(pNode, pCaseWhen->pWhenThenList) {
    SWhenThenNode* pWhenThen = (SWhenThenNode*)pNode;
    if (!dataTypeEqual(&pCaseWhen->node.resType, &((SExprNode*)pNode)->resType)) {
2070 2071 2072 2073
      SNode* pCastFunc = NULL;
      pCxt->errCode = createCastFunc(pCxt, pWhenThen->pThen, pCaseWhen->node.resType, &pCastFunc);
      if (TSDB_CODE_SUCCESS != pCxt->errCode) {
        return DEAL_RES_ERROR;
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      }
      pWhenThen->pThen = pCastFunc;
      pWhenThen->node.resType = pCaseWhen->node.resType;
    }
  }
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  if (NULL != pCaseWhen->pElse && !dataTypeEqual(&pCaseWhen->node.resType, &((SExprNode*)pCaseWhen->pElse)->resType)) {
    SNode* pCastFunc = NULL;
2082 2083 2084
    pCxt->errCode = createCastFunc(pCxt, pCaseWhen->pElse, pCaseWhen->node.resType, &pCastFunc);
    if (TSDB_CODE_SUCCESS != pCxt->errCode) {
      return DEAL_RES_ERROR;
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    }
    pCaseWhen->pElse = pCastFunc;
    ((SExprNode*)pCaseWhen->pElse)->resType = pCaseWhen->node.resType;
  }
  return DEAL_RES_CONTINUE;
}

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static EDealRes doTranslateExpr(SNode** pNode, void* pContext) {
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  STranslateContext* pCxt = (STranslateContext*)pContext;
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  switch (nodeType(*pNode)) {
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    case QUERY_NODE_COLUMN:
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      return translateColumn(pCxt, (SColumnNode**)pNode);
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    case QUERY_NODE_VALUE:
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      return translateValue(pCxt, (SValueNode*)*pNode);
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    case QUERY_NODE_OPERATOR:
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      return translateOperator(pCxt, (SOperatorNode*)*pNode);
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    case QUERY_NODE_FUNCTION:
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      return translateFunction(pCxt, (SFunctionNode**)pNode);
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    case QUERY_NODE_LOGIC_CONDITION:
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      return translateLogicCond(pCxt, (SLogicConditionNode*)*pNode);
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    case QUERY_NODE_TEMP_TABLE:
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      return translateExprSubquery(pCxt, ((STempTableNode*)*pNode)->pSubquery);
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    case QUERY_NODE_WHEN_THEN:
      return translateWhenThen(pCxt, (SWhenThenNode*)*pNode);
    case QUERY_NODE_CASE_WHEN:
      return translateCaseWhen(pCxt, (SCaseWhenNode*)*pNode);
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    default:
      break;
  }
  return DEAL_RES_CONTINUE;
2115 2116
}

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static int32_t translateExpr(STranslateContext* pCxt, SNode** pNode) {
  nodesRewriteExprPostOrder(pNode, doTranslateExpr, pCxt);
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  return pCxt->errCode;
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}

static int32_t translateExprList(STranslateContext* pCxt, SNodeList* pList) {
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  nodesRewriteExprsPostOrder(pList, doTranslateExpr, pCxt);
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  return pCxt->errCode;
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}

2127
static SNodeList* getGroupByList(STranslateContext* pCxt) {
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  if (isDistinctOrderBy(pCxt)) {
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    return ((SSelectStmt*)pCxt->pCurrStmt)->pProjectionList;
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  }
2131
  return ((SSelectStmt*)pCxt->pCurrStmt)->pGroupByList;
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}

static SNode* getGroupByNode(SNode* pNode) {
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  if (QUERY_NODE_GROUPING_SET == nodeType(pNode)) {
    return nodesListGetNode(((SGroupingSetNode*)pNode)->pParameterList, 0);
  }
  return pNode;
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}

static int32_t getGroupByErrorCode(STranslateContext* pCxt) {
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  if (isDistinctOrderBy(pCxt)) {
    return TSDB_CODE_PAR_NOT_SELECTED_EXPRESSION;
  }
2145 2146 2147
  if (isSelectStmt(pCxt->pCurrStmt) && NULL != ((SSelectStmt*)pCxt->pCurrStmt)->pGroupByList) {
    return TSDB_CODE_PAR_GROUPBY_LACK_EXPRESSION;
  }
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  return TSDB_CODE_PAR_INVALID_OPTR_USAGE;
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}

2151
static EDealRes rewriteColToSelectValFunc(STranslateContext* pCxt, SNode** pNode) {
2152
  SFunctionNode* pFunc = (SFunctionNode*)nodesMakeNode(QUERY_NODE_FUNCTION);
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  if (NULL == pFunc) {
    pCxt->errCode = TSDB_CODE_OUT_OF_MEMORY;
    return DEAL_RES_ERROR;
  }
  strcpy(pFunc->functionName, "_select_value");
  strcpy(pFunc->node.aliasName, ((SExprNode*)*pNode)->aliasName);
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  strcpy(pFunc->node.userAlias, ((SExprNode*)*pNode)->userAlias);
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  pCxt->errCode = nodesListMakeAppend(&pFunc->pParameterList, *pNode);
  if (TSDB_CODE_SUCCESS == pCxt->errCode) {
2162
    pCxt->errCode = getFuncInfo(pCxt, pFunc);
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  }
  if (TSDB_CODE_SUCCESS == pCxt->errCode) {
    *pNode = (SNode*)pFunc;
2166
    ((SSelectStmt*)pCxt->pCurrStmt)->hasSelectValFunc = true;
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  } else {
2168
    nodesDestroyNode((SNode*)pFunc);
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  }
  return TSDB_CODE_SUCCESS == pCxt->errCode ? DEAL_RES_IGNORE_CHILD : DEAL_RES_ERROR;
2171 2172
}

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static EDealRes rewriteExprToGroupKeyFunc(STranslateContext* pCxt, SNode** pNode) {
  SFunctionNode* pFunc = (SFunctionNode*)nodesMakeNode(QUERY_NODE_FUNCTION);
  if (NULL == pFunc) {
    pCxt->errCode = TSDB_CODE_OUT_OF_MEMORY;
    return DEAL_RES_ERROR;
  }

  strcpy(pFunc->functionName, "_group_key");
  strcpy(pFunc->node.aliasName, ((SExprNode*)*pNode)->aliasName);
2182
  strcpy(pFunc->node.userAlias, ((SExprNode*)*pNode)->userAlias);
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  pCxt->errCode = nodesListMakeAppend(&pFunc->pParameterList, *pNode);
  if (TSDB_CODE_SUCCESS == pCxt->errCode) {
    *pNode = (SNode*)pFunc;
    pCxt->errCode = fmGetFuncInfo(pFunc, pCxt->msgBuf.buf, pCxt->msgBuf.len);
  }

  return (TSDB_CODE_SUCCESS == pCxt->errCode ? DEAL_RES_IGNORE_CHILD : DEAL_RES_ERROR);
}

2192
static EDealRes doCheckExprForGroupBy(SNode** pNode, void* pContext) {
2193 2194
  STranslateContext* pCxt = (STranslateContext*)pContext;
  SSelectStmt*       pSelect = (SSelectStmt*)pCxt->pCurrStmt;
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  if (!nodesIsExprNode(*pNode) || isAliasColumn(*pNode)) {
    return DEAL_RES_CONTINUE;
  }
2198
  if (isVectorFunc(*pNode) && !isDistinctOrderBy(pCxt)) {
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    return DEAL_RES_IGNORE_CHILD;
  }
2201
  SNode* pGroupNode = NULL;
2202
  FOREACH(pGroupNode, getGroupByList(pCxt)) {
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    if (nodesEqualNode(getGroupByNode(pGroupNode), *pNode)) {
2204 2205 2206 2207
      return DEAL_RES_IGNORE_CHILD;
    }
  }
  SNode* pPartKey = NULL;
2208
  FOREACH(pPartKey, pSelect->pPartitionByList) {
2209
    if (nodesEqualNode(pPartKey, *pNode)) {
2210
      return rewriteExprToGroupKeyFunc(pCxt, pNode);
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    }
  }
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  if (NULL != pSelect->pWindow && QUERY_NODE_STATE_WINDOW == nodeType(pSelect->pWindow)) {
    if (nodesEqualNode(((SStateWindowNode*)pSelect->pWindow)->pExpr, *pNode)) {
      pSelect->hasStateKey = true;
      return rewriteExprToGroupKeyFunc(pCxt, pNode);
    }
  }
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  if (isScanPseudoColumnFunc(*pNode) || QUERY_NODE_COLUMN == nodeType(*pNode)) {
2220
    if (pSelect->selectFuncNum > 1 || pSelect->hasOtherVectorFunc || !pSelect->hasSelectFunc) {
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      return generateDealNodeErrMsg(pCxt, getGroupByErrorCode(pCxt), ((SExprNode*)(*pNode))->userAlias);
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    } else {
2223
      return rewriteColToSelectValFunc(pCxt, pNode);
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    }
  }
2226
  if (isVectorFunc(*pNode) && isDistinctOrderBy(pCxt)) {
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    return generateDealNodeErrMsg(pCxt, getGroupByErrorCode(pCxt), ((SExprNode*)(*pNode))->userAlias);
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  }
  return DEAL_RES_CONTINUE;
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}

2232
static int32_t checkExprForGroupBy(STranslateContext* pCxt, SNode** pNode) {
2233
  nodesRewriteExpr(pNode, doCheckExprForGroupBy, pCxt);
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  return pCxt->errCode;
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}

2237 2238
static int32_t checkExprListForGroupBy(STranslateContext* pCxt, SSelectStmt* pSelect, SNodeList* pList) {
  if (NULL == getGroupByList(pCxt) && NULL == pSelect->pWindow) {
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    return TSDB_CODE_SUCCESS;
  }
2241
  nodesRewriteExprs(pList, doCheckExprForGroupBy, pCxt);
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  return pCxt->errCode;
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}

static EDealRes rewriteColsToSelectValFuncImpl(SNode** pNode, void* pContext) {
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  if (isAggFunc(*pNode) || isIndefiniteRowsFunc(*pNode)) {
    return DEAL_RES_IGNORE_CHILD;
  }
  if (isScanPseudoColumnFunc(*pNode) || QUERY_NODE_COLUMN == nodeType(*pNode)) {
    return rewriteColToSelectValFunc((STranslateContext*)pContext, pNode);
  }
  return DEAL_RES_CONTINUE;
2253 2254 2255
}

static int32_t rewriteColsToSelectValFunc(STranslateContext* pCxt, SSelectStmt* pSelect) {
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  nodesRewriteExprs(pSelect->pProjectionList, rewriteColsToSelectValFuncImpl, pCxt);
  if (TSDB_CODE_SUCCESS == pCxt->errCode && !pSelect->isDistinct) {
    nodesRewriteExprs(pSelect->pOrderByList, rewriteColsToSelectValFuncImpl, pCxt);
  }
  return pCxt->errCode;
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}

2263
typedef struct CheckAggColCoexistCxt {
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  STranslateContext* pTranslateCxt;
  bool               existCol;
2266 2267
} CheckAggColCoexistCxt;

2268
static EDealRes doCheckAggColCoexist(SNode** pNode, void* pContext) {
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  CheckAggColCoexistCxt* pCxt = (CheckAggColCoexistCxt*)pContext;
2270
  if (isVectorFunc(*pNode)) {
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    return DEAL_RES_IGNORE_CHILD;
  }
2273
  SNode* pPartKey = NULL;
2274
  FOREACH(pPartKey, ((SSelectStmt*)pCxt->pTranslateCxt->pCurrStmt)->pPartitionByList) {
2275 2276
    if (nodesEqualNode(pPartKey, *pNode)) {
      return rewriteExprToGroupKeyFunc(pCxt->pTranslateCxt, pNode);
2277 2278
    }
  }
2279
  if (isScanPseudoColumnFunc(*pNode) || QUERY_NODE_COLUMN == nodeType(*pNode)) {
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    pCxt->existCol = true;
  }
  return DEAL_RES_CONTINUE;
2283 2284 2285
}

static int32_t checkAggColCoexist(STranslateContext* pCxt, SSelectStmt* pSelect) {
2286
  if (NULL != pSelect->pGroupByList || NULL != pSelect->pWindow ||
2287
      (!pSelect->hasAggFuncs && !pSelect->hasIndefiniteRowsFunc && !pSelect->hasInterpFunc)) {
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    return TSDB_CODE_SUCCESS;
  }
2290 2291 2292
  if (!pSelect->onlyHasKeepOrderFunc) {
    pSelect->isTimeLineResult = false;
  }
2293
  CheckAggColCoexistCxt cxt = {.pTranslateCxt = pCxt, .existCol = false};
2294
  nodesRewriteExprs(pSelect->pProjectionList, doCheckAggColCoexist, &cxt);
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  if (!pSelect->isDistinct) {
2296
    nodesRewriteExprs(pSelect->pOrderByList, doCheckAggColCoexist, &cxt);
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  }
2298
  if (1 == pSelect->selectFuncNum && !pSelect->hasOtherVectorFunc) {
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    return rewriteColsToSelectValFunc(pCxt, pSelect);
  }
2301
  if (cxt.existCol) {
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    return generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_NOT_SINGLE_GROUP);
  }
  return TSDB_CODE_SUCCESS;
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}

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static int32_t checkHavingGroupBy(STranslateContext* pCxt, SSelectStmt* pSelect) {
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  int32_t code = TSDB_CODE_SUCCESS;
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  if (NULL == getGroupByList(pCxt) && NULL == pSelect->pPartitionByList && NULL == pSelect->pWindow) {
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    return code;
  }  
  if (NULL != pSelect->pHaving) {
    code = checkExprForGroupBy(pCxt, &pSelect->pHaving);
  }
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/*
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  if (TSDB_CODE_SUCCESS == code && NULL != pSelect->pProjectionList) {
    code = checkExprListForGroupBy(pCxt, pSelect, pSelect->pProjectionList);
  }
  if (TSDB_CODE_SUCCESS == code && NULL != pSelect->pOrderByList) {
    code = checkExprListForGroupBy(pCxt, pSelect, pSelect->pOrderByList);
  }
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*/  
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  return code;
}

2326 2327 2328 2329
static int32_t checkWindowFuncCoexist(STranslateContext* pCxt, SSelectStmt* pSelect) {
  if (NULL == pSelect->pWindow) {
    return TSDB_CODE_SUCCESS;
  }
2330
  if (NULL != pSelect->pWindow && !pSelect->hasAggFuncs && !pSelect->hasStateKey) {
2331 2332 2333 2334 2335
    return generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_NO_VALID_FUNC_IN_WIN);
  }
  return TSDB_CODE_SUCCESS;
}

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static int32_t toVgroupsInfo(SArray* pVgs, SVgroupsInfo** pVgsInfo) {
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  size_t vgroupNum = taosArrayGetSize(pVgs);
  *pVgsInfo = taosMemoryCalloc(1, sizeof(SVgroupsInfo) + sizeof(SVgroupInfo) * vgroupNum);
  if (NULL == *pVgsInfo) {
    return TSDB_CODE_OUT_OF_MEMORY;
  }
  (*pVgsInfo)->numOfVgroups = vgroupNum;
  for (int32_t i = 0; i < vgroupNum; ++i) {
    SVgroupInfo* vg = taosArrayGet(pVgs, i);
    (*pVgsInfo)->vgroups[i] = *vg;
  }
  return TSDB_CODE_SUCCESS;
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}

2350
static int32_t addMnodeToVgroupList(const SEpSet* pEpSet, SArray** pVgroupList) {
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  if (NULL == *pVgroupList) {
    *pVgroupList = taosArrayInit(TARRAY_MIN_SIZE, sizeof(SVgroupInfo));
    if (NULL == *pVgroupList) {
      return TSDB_CODE_OUT_OF_MEMORY;
    }
  }
  SVgroupInfo vg = {.vgId = MNODE_HANDLE};
  memcpy(&vg.epSet, pEpSet, sizeof(SEpSet));
  taosArrayPush(*pVgroupList, &vg);
  return TSDB_CODE_SUCCESS;
2361 2362
}

2363 2364 2365 2366 2367
static int32_t dnodeToVgroupsInfo(SArray* pDnodes, SVgroupsInfo** pVgsInfo) {
  size_t ndnode = taosArrayGetSize(pDnodes);
  *pVgsInfo = taosMemoryCalloc(1, sizeof(SVgroupsInfo) + sizeof(SVgroupInfo) * ndnode);
  if (NULL == *pVgsInfo) {
    return TSDB_CODE_OUT_OF_MEMORY;
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  }
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  (*pVgsInfo)->numOfVgroups = ndnode;
  for (int32_t i = 0; i < ndnode; ++i) {
    memcpy(&((*pVgsInfo)->vgroups[i].epSet), taosArrayGet(pDnodes, i), sizeof(SEpSet));
  }
  return TSDB_CODE_SUCCESS;
}

static bool sysTableFromVnode(const char* pTable) {
2377 2378
  return ((0 == strcmp(pTable, TSDB_INS_TABLE_TABLES)) || (0 == strcmp(pTable, TSDB_INS_TABLE_TAGS)) ||
          (0 == strcmp(pTable, TSDB_INS_TABLE_COLS)));
2379 2380 2381
}

static bool sysTableFromDnode(const char* pTable) { return 0 == strcmp(pTable, TSDB_INS_TABLE_DNODE_VARIABLES); }
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static int32_t getVnodeSysTableVgroupListImpl(STranslateContext* pCxt, SName* pTargetName, SName* pName,
                                              SArray** pVgroupList) {
2385
  if (0 == pTargetName->type) {
2386 2387 2388
    return getDBVgInfoImpl(pCxt, pName, pVgroupList);
  }

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  if (0 == strcmp(pTargetName->dbname, TSDB_INFORMATION_SCHEMA_DB) ||
      0 == strcmp(pTargetName->dbname, TSDB_PERFORMANCE_SCHEMA_DB)) {
    pTargetName->type = 0;
    return TSDB_CODE_SUCCESS;
  }

2395
  if (TSDB_DB_NAME_T == pTargetName->type) {
2396
    int32_t code = getDBVgInfoImpl(pCxt, pTargetName, pVgroupList);
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    if (!pCxt->showRewrite && (TSDB_CODE_MND_DB_NOT_EXIST == code || TSDB_CODE_MND_DB_IN_CREATING == code ||
                               TSDB_CODE_MND_DB_IN_DROPPING == code)) {
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      // system table query should not report errors
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      code = TSDB_CODE_SUCCESS;
    }
    return code;
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  }

  SVgroupInfo vgInfo = {0};
  int32_t     code = getTableHashVgroupImpl(pCxt, pTargetName, &vgInfo);
  if (TSDB_CODE_SUCCESS == code) {
    *pVgroupList = taosArrayInit(1, sizeof(SVgroupInfo));
    if (NULL == *pVgroupList) {
      code = TSDB_CODE_OUT_OF_MEMORY;
2411 2412
    } else {
      taosArrayPush(*pVgroupList, &vgInfo);
2413
    }
2414 2415
  } else if (TSDB_CODE_MND_DB_NOT_EXIST == code || TSDB_CODE_MND_DB_IN_CREATING == code ||
             TSDB_CODE_MND_DB_IN_DROPPING == code) {
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    // system table query should not report errors
2417
    code = TSDB_CODE_SUCCESS;
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  }
  return code;
}

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static int32_t getVnodeSysTableVgroupList(STranslateContext* pCxt, SName* pName, SArray** pVgs, bool* pHasUserDbCond) {
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  if (!isSelectStmt(pCxt->pCurrStmt)) {
    return TSDB_CODE_SUCCESS;
  }
  SSelectStmt* pSelect = (SSelectStmt*)pCxt->pCurrStmt;
  SName        targetName = {0};
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  int32_t      code = getVnodeSysTableTargetName(pCxt->pParseCxt->acctId, pSelect->pWhere, &targetName);
2429
  if (TSDB_CODE_SUCCESS == code) {
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    code = getVnodeSysTableVgroupListImpl(pCxt, &targetName, pName, pVgs);
2431
  }
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  *pHasUserDbCond = (0 != targetName.type && taosArrayGetSize(*pVgs) > 0);
2433 2434 2435
  return code;
}

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static int32_t setVnodeSysTableVgroupList(STranslateContext* pCxt, SName* pName, SRealTableNode* pRealTable) {
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  bool    hasUserDbCond = false;
  SArray* pVgs = NULL;
  int32_t code = getVnodeSysTableVgroupList(pCxt, pName, &pVgs, &hasUserDbCond);
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  if (TSDB_CODE_SUCCESS == code && 0 == strcmp(pRealTable->table.tableName, TSDB_INS_TABLE_TAGS) &&
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      isSelectStmt(pCxt->pCurrStmt) && 0 == taosArrayGetSize(pVgs)) {
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    ((SSelectStmt*)pCxt->pCurrStmt)->isEmptyResult = true;
  }

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  if (TSDB_CODE_SUCCESS == code &&
          (0 == strcmp(pRealTable->table.tableName, TSDB_INS_TABLE_TABLES) && !hasUserDbCond) ||
      0 == strcmp(pRealTable->table.tableName, TSDB_INS_TABLE_COLS)) {
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    code = addMnodeToVgroupList(&pCxt->pParseCxt->mgmtEpSet, &pVgs);
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  }

  if (TSDB_CODE_SUCCESS == code) {
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    code = toVgroupsInfo(pVgs, &pRealTable->pVgroupList);
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  }
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  taosArrayDestroy(pVgs);
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  return code;
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}

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static int32_t setDnodeSysTableVgroupList(STranslateContext* pCxt, SName* pName, SRealTableNode* pRealTable) {
  SArray* pDnodes = NULL;
  int32_t code = getDnodeList(pCxt, &pDnodes);
  if (TSDB_CODE_SUCCESS == code) {
    code = dnodeToVgroupsInfo(pDnodes, &pRealTable->pVgroupList);
  }
  taosArrayDestroy(pDnodes);
  return code;
}

static int32_t setSysTableVgroupList(STranslateContext* pCxt, SName* pName, SRealTableNode* pRealTable) {
  if (sysTableFromVnode(pRealTable->table.tableName)) {
    return setVnodeSysTableVgroupList(pCxt, pName, pRealTable);
  } else if (sysTableFromDnode(pRealTable->table.tableName)) {
    return setDnodeSysTableVgroupList(pCxt, pName, pRealTable);
  } else {
    return TSDB_CODE_SUCCESS;
  }
}

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static int32_t setSuperTableVgroupList(STranslateContext* pCxt, SName* pName, SRealTableNode* pRealTable) {
  SArray* vgroupList = NULL;
  int32_t code = getDBVgInfoImpl(pCxt, pName, &vgroupList);
  if (TSDB_CODE_SUCCESS == code) {
    code = toVgroupsInfo(vgroupList, &pRealTable->pVgroupList);
  }
  taosArrayDestroy(vgroupList);
  return code;
}

static int32_t setNormalTableVgroupList(STranslateContext* pCxt, SName* pName, SRealTableNode* pRealTable) {
  pRealTable->pVgroupList = taosMemoryCalloc(1, sizeof(SVgroupsInfo) + sizeof(SVgroupInfo));
  if (NULL == pRealTable->pVgroupList) {
    return TSDB_CODE_OUT_OF_MEMORY;
  }
  pRealTable->pVgroupList->numOfVgroups = 1;
  return getTableHashVgroupImpl(pCxt, pName, pRealTable->pVgroupList->vgroups);
}

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static int32_t setTableVgroupList(STranslateContext* pCxt, SName* pName, SRealTableNode* pRealTable) {
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  if (pCxt->pParseCxt->topicQuery) {
    return TSDB_CODE_SUCCESS;
  }

  if (TSDB_SUPER_TABLE == pRealTable->pMeta->tableType) {
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    return setSuperTableVgroupList(pCxt, pName, pRealTable);
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  }
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  if (TSDB_SYSTEM_TABLE == pRealTable->pMeta->tableType) {
    return setSysTableVgroupList(pCxt, pName, pRealTable);
  }

  return setNormalTableVgroupList(pCxt, pName, pRealTable);
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}

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static uint8_t getStmtPrecision(SNode* pStmt) {
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  if (QUERY_NODE_SELECT_STMT == nodeType(pStmt)) {
    return ((SSelectStmt*)pStmt)->precision;
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  } else if (QUERY_NODE_SET_OPERATOR == nodeType(pStmt)) {
    return ((SSetOperator*)pStmt)->precision;
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  }
  return 0;
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}

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static bool stmtIsSingleTable(SNode* pStmt) {
  if (QUERY_NODE_SELECT_STMT == nodeType(pStmt)) {
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    SSelectStmt* pSelect = (SSelectStmt*)pStmt;
    return NULL == pSelect->pFromTable || ((STableNode*)pSelect->pFromTable)->singleTable;
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  }
  return false;
}

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static uint8_t calcPrecision(uint8_t lp, uint8_t rp) { return (lp > rp ? rp : lp); }

static uint8_t calcJoinTablePrecision(SJoinTableNode* pJoinTable) {
  return calcPrecision(((STableNode*)pJoinTable->pLeft)->precision, ((STableNode*)pJoinTable->pRight)->precision);
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}

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static bool joinTableIsSingleTable(SJoinTableNode* pJoinTable) {
  return (((STableNode*)pJoinTable->pLeft)->singleTable && ((STableNode*)pJoinTable->pRight)->singleTable);
}

static bool isSingleTable(SRealTableNode* pRealTable) {
  int8_t tableType = pRealTable->pMeta->tableType;
  if (TSDB_SYSTEM_TABLE == tableType) {
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    return 0 != strcmp(pRealTable->table.tableName, TSDB_INS_TABLE_TABLES) &&
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           0 != strcmp(pRealTable->table.tableName, TSDB_INS_TABLE_TAGS) &&
           0 != strcmp(pRealTable->table.tableName, TSDB_INS_TABLE_COLS);
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  }
  return (TSDB_CHILD_TABLE == tableType || TSDB_NORMAL_TABLE == tableType);
}

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static int32_t setTableIndex(STranslateContext* pCxt, SName* pName, SRealTableNode* pRealTable) {
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  if (pCxt->createStream || QUERY_SMA_OPTIMIZE_DISABLE == tsQuerySmaOptimize) {
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    return TSDB_CODE_SUCCESS;
  }
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  if (isSelectStmt(pCxt->pCurrStmt) && NULL != ((SSelectStmt*)pCxt->pCurrStmt)->pWindow &&
      QUERY_NODE_INTERVAL_WINDOW == nodeType(((SSelectStmt*)pCxt->pCurrStmt)->pWindow)) {
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    return getTableIndex(pCxt, pName, &pRealTable->pSmaIndexes);
  }
  return TSDB_CODE_SUCCESS;
}

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static int32_t setTableCacheLastMode(STranslateContext* pCxt, SSelectStmt* pSelect) {
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  if ((!pSelect->hasLastRowFunc && !pSelect->hasLastFunc) || QUERY_NODE_REAL_TABLE != nodeType(pSelect->pFromTable) ||
      TSDB_SYSTEM_TABLE == ((SRealTableNode*)pSelect->pFromTable)->pMeta->tableType) {
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    return TSDB_CODE_SUCCESS;
  }

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  SRealTableNode* pTable = (SRealTableNode*)pSelect->pFromTable;
  SDbCfgInfo      dbCfg = {0};
  int32_t         code = getDBCfg(pCxt, pTable->table.dbName, &dbCfg);
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  if (TSDB_CODE_SUCCESS == code) {
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    pTable->cacheLastMode = dbCfg.cacheLast;
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  }
  return code;
}

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static EDealRes doTranslateTbName(SNode** pNode, void* pContext) {
  switch (nodeType(*pNode)) {
    case QUERY_NODE_FUNCTION: {
      SFunctionNode *pFunc = (SFunctionNode *)*pNode;
      if (FUNCTION_TYPE_TBNAME == pFunc->funcType) {
        SRewriteTbNameContext *pCxt = (SRewriteTbNameContext*)pContext;
        SValueNode* pVal = (SValueNode*)nodesMakeNode(QUERY_NODE_VALUE);
        if (NULL == pVal) {
          pCxt->errCode = TSDB_CODE_OUT_OF_MEMORY;
          return DEAL_RES_ERROR;
        }

        int32_t tbLen = strlen(pCxt->pTbName);
        pVal->literal = taosStrdup(pCxt->pTbName);
        if (NULL == pVal->literal) {
          pCxt->errCode = TSDB_CODE_OUT_OF_MEMORY;
          return DEAL_RES_ERROR;
        }
        pVal->isDuration = false;
        pVal->translate = true;
        pVal->node.resType.type = TSDB_DATA_TYPE_BINARY;
        pVal->node.resType.bytes = tbLen + VARSTR_HEADER_SIZE;
        pVal->datum.p = taosMemoryCalloc(1, tbLen + VARSTR_HEADER_SIZE + 1);
        varDataSetLen(pVal->datum.p, tbLen);
        strncpy(varDataVal(pVal->datum.p), pVal->literal, tbLen);
        strcpy(pVal->node.userAlias, pFunc->node.userAlias);
        strcpy(pVal->node.aliasName, pFunc->node.aliasName);

        nodesDestroyNode(*pNode);
        *pNode = (SNode*)pVal;
      }
      break;
    }
    default:
      break;
  }
  return DEAL_RES_CONTINUE;
}

static int32_t replaceTbName(STranslateContext* pCxt, SSelectStmt* pSelect) {
  if (QUERY_NODE_REAL_TABLE != nodeType(pSelect->pFromTable)) {
    return TSDB_CODE_SUCCESS;
  }

  SRealTableNode* pTable = (SRealTableNode*)pSelect->pFromTable;
  if (TSDB_CHILD_TABLE != pTable->pMeta->tableType && TSDB_NORMAL_TABLE != pTable->pMeta->tableType && TSDB_SYSTEM_TABLE != pTable->pMeta->tableType) {
    return TSDB_CODE_SUCCESS;
  }

  SNode** pNode = NULL;
  SRewriteTbNameContext pRewriteCxt = {0};
  pRewriteCxt.pTbName = pTable->table.tableName;
  
  nodesRewriteExprPostOrder(&pSelect->pWhere, doTranslateTbName, &pRewriteCxt);

  return pRewriteCxt.errCode;
}

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static int32_t checkJoinTable(STranslateContext* pCxt, SJoinTableNode* pJoinTable) {
  if ((QUERY_NODE_TEMP_TABLE == nodeType(pJoinTable->pLeft) &&
       !isTimeLineQuery(((STempTableNode*)pJoinTable->pLeft)->pSubquery)) ||
      (QUERY_NODE_TEMP_TABLE == nodeType(pJoinTable->pRight) &&
       !isTimeLineQuery(((STempTableNode*)pJoinTable->pRight)->pSubquery))) {
    return generateSyntaxErrMsgExt(&pCxt->msgBuf, TSDB_CODE_PAR_NOT_SUPPORT_JOIN,
                                   "Join requires valid time series input");
  }
  return TSDB_CODE_SUCCESS;
}

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static int32_t translateTable(STranslateContext* pCxt, SNode* pTable) {
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  int32_t code = TSDB_CODE_SUCCESS;
  switch (nodeType(pTable)) {
    case QUERY_NODE_REAL_TABLE: {
      SRealTableNode* pRealTable = (SRealTableNode*)pTable;
      pRealTable->ratio = (NULL != pCxt->pExplainOpt ? pCxt->pExplainOpt->ratio : 1.0);
      // The SRealTableNode created through ROLLUP already has STableMeta.
      if (NULL == pRealTable->pMeta) {
        SName name;
        code = getTableMetaImpl(
            pCxt, toName(pCxt->pParseCxt->acctId, pRealTable->table.dbName, pRealTable->table.tableName, &name),
            &(pRealTable->pMeta));
        if (TSDB_CODE_SUCCESS != code) {
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          return generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_GET_META_ERROR, tstrerror(code));
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        }
        code = setTableVgroupList(pCxt, &name, pRealTable);
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        if (TSDB_CODE_SUCCESS == code) {
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          code = setTableIndex(pCxt, &name, pRealTable);
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        }
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      }
      if (TSDB_CODE_SUCCESS == code) {
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        pRealTable->table.precision = pRealTable->pMeta->tableInfo.precision;
        pRealTable->table.singleTable = isSingleTable(pRealTable);
        if (TSDB_SUPER_TABLE == pRealTable->pMeta->tableType) {
          pCxt->stableQuery = true;
        }
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        if (TSDB_SYSTEM_TABLE == pRealTable->pMeta->tableType) {
          if (isSelectStmt(pCxt->pCurrStmt)) {
            ((SSelectStmt*)pCxt->pCurrStmt)->isTimeLineResult = false;
          } else if (isDeleteStmt(pCxt->pCurrStmt)) {
            code = TSDB_CODE_TSC_INVALID_OPERATION;
            break;
          }
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        }
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        code = addNamespace(pCxt, pRealTable);
      }
      break;
    }
    case QUERY_NODE_TEMP_TABLE: {
      STempTableNode* pTempTable = (STempTableNode*)pTable;
      code = translateSubquery(pCxt, pTempTable->pSubquery);
      if (TSDB_CODE_SUCCESS == code) {
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        if (QUERY_NODE_SELECT_STMT == nodeType(pTempTable->pSubquery) &&
            ((SSelectStmt*)pTempTable->pSubquery)->isEmptyResult && isSelectStmt(pCxt->pCurrStmt)) {
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          ((SSelectStmt*)pCxt->pCurrStmt)->isEmptyResult = true;
        }

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        pTempTable->table.precision = getStmtPrecision(pTempTable->pSubquery);
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        pTempTable->table.singleTable = stmtIsSingleTable(pTempTable->pSubquery);
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        code = addNamespace(pCxt, pTempTable);
      }
      break;
    }
    case QUERY_NODE_JOIN_TABLE: {
      SJoinTableNode* pJoinTable = (SJoinTableNode*)pTable;
      code = translateTable(pCxt, pJoinTable->pLeft);
      if (TSDB_CODE_SUCCESS == code) {
        code = translateTable(pCxt, pJoinTable->pRight);
      }
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      if (TSDB_CODE_SUCCESS == code) {
        code = checkJoinTable(pCxt, pJoinTable);
      }
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      if (TSDB_CODE_SUCCESS == code) {
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        pJoinTable->table.precision = calcJoinTablePrecision(pJoinTable);
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        pJoinTable->table.singleTable = joinTableIsSingleTable(pJoinTable);
        code = translateExpr(pCxt, &pJoinTable->pOnCond);
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      }
      break;
    }
    default:
      break;
  }
  return code;
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}

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static int32_t createAllColumns(STranslateContext* pCxt, bool igTags, SNodeList** pCols) {
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  *pCols = nodesMakeList();
  if (NULL == *pCols) {
    return generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_OUT_OF_MEMORY);
  }
  SArray* pTables = taosArrayGetP(pCxt->pNsLevel, pCxt->currLevel);
  size_t  nums = taosArrayGetSize(pTables);
  for (size_t i = 0; i < nums; ++i) {
    STableNode* pTable = taosArrayGetP(pTables, i);
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    int32_t     code = createColumnsByTable(pCxt, pTable, igTags, *pCols);
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    if (TSDB_CODE_SUCCESS != code) {
      return code;
    }
  }
  return TSDB_CODE_SUCCESS;
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}

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static SNode* createMultiResFunc(SFunctionNode* pSrcFunc, SExprNode* pExpr) {
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  SFunctionNode* pFunc = (SFunctionNode*)nodesMakeNode(QUERY_NODE_FUNCTION);
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  if (NULL == pFunc) {
    return NULL;
  }
  pFunc->pParameterList = nodesMakeList();
  if (NULL == pFunc->pParameterList ||
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      TSDB_CODE_SUCCESS != nodesListStrictAppend(pFunc->pParameterList, nodesCloneNode((SNode*)pExpr))) {
    nodesDestroyNode((SNode*)pFunc);
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    return NULL;
  }

  pFunc->node.resType = pExpr->resType;
  pFunc->funcId = pSrcFunc->funcId;
  pFunc->funcType = pSrcFunc->funcType;
  strcpy(pFunc->functionName, pSrcFunc->functionName);
  char    buf[TSDB_FUNC_NAME_LEN + TSDB_TABLE_NAME_LEN + TSDB_COL_NAME_LEN];
  int32_t len = 0;
  if (QUERY_NODE_COLUMN == nodeType(pExpr)) {
    SColumnNode* pCol = (SColumnNode*)pExpr;
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    if (tsKeepColumnName) {
      strcpy(pFunc->node.userAlias, pCol->colName);
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      strcpy(pFunc->node.aliasName, pCol->colName);
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    } else {
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      len = snprintf(buf, sizeof(buf), "%s(%s.%s)", pSrcFunc->functionName, pCol->tableAlias, pCol->colName);
      strncpy(pFunc->node.aliasName, buf, TMIN(len, sizeof(pFunc->node.aliasName) - 1));
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      len = snprintf(buf, sizeof(buf), "%s(%s)", pSrcFunc->functionName, pCol->colName);
      strncpy(pFunc->node.userAlias, buf, TMIN(len, sizeof(pFunc->node.userAlias) - 1));
    }
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  } else {
    len = snprintf(buf, sizeof(buf), "%s(%s)", pSrcFunc->functionName, pExpr->aliasName);
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    strncpy(pFunc->node.aliasName, buf, TMIN(len, sizeof(pFunc->node.aliasName) - 1));
    strncpy(pFunc->node.userAlias, buf, TMIN(len, sizeof(pFunc->node.userAlias) - 1));
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  }

  return (SNode*)pFunc;
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}

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static int32_t createTableAllCols(STranslateContext* pCxt, SColumnNode* pCol, bool igTags, SNodeList** pOutput) {
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  STableNode* pTable = NULL;
  int32_t     code = findTable(pCxt, pCol->tableAlias, &pTable);
  if (TSDB_CODE_SUCCESS == code && NULL == *pOutput) {
    *pOutput = nodesMakeList();
    if (NULL == *pOutput) {
      code = generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_OUT_OF_MEMORY);
    }
  }
  if (TSDB_CODE_SUCCESS == code) {
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    code = createColumnsByTable(pCxt, pTable, igTags, *pOutput);
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  }
  return code;
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}

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static int32_t createMultiResFuncsParas(STranslateContext* pCxt, SNodeList* pSrcParas, SNodeList** pOutput) {
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  int32_t code = TSDB_CODE_SUCCESS;

  SNodeList* pExprs = NULL;
  SNode*     pPara = NULL;
  FOREACH(pPara, pSrcParas) {
    if (isStar(pPara)) {
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      code = createAllColumns(pCxt, true, &pExprs);
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    } else if (isTableStar(pPara)) {
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      code = createTableAllCols(pCxt, (SColumnNode*)pPara, true, &pExprs);
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    } else {
      code = nodesListMakeStrictAppend(&pExprs, nodesCloneNode(pPara));
    }
    if (TSDB_CODE_SUCCESS != code) {
      break;
    }
  }

  if (TSDB_CODE_SUCCESS == code) {
    *pOutput = pExprs;
  } else {
    nodesDestroyList(pExprs);
  }

  return code;
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}

static int32_t createMultiResFuncs(SFunctionNode* pSrcFunc, SNodeList* pExprs, SNodeList** pOutput) {
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  SNodeList* pFuncs = nodesMakeList();
  if (NULL == pFuncs) {
    return TSDB_CODE_OUT_OF_MEMORY;
  }
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  int32_t code = TSDB_CODE_SUCCESS;
  SNode*  pExpr = NULL;
  FOREACH(pExpr, pExprs) {
    code = nodesListStrictAppend(pFuncs, createMultiResFunc(pSrcFunc, (SExprNode*)pExpr));
    if (TSDB_CODE_SUCCESS != code) {
      break;
    }
  }
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  if (TSDB_CODE_SUCCESS == code) {
    *pOutput = pFuncs;
  } else {
    nodesDestroyList(pFuncs);
  }
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  return code;
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}

static int32_t createMultiResFuncsFromStar(STranslateContext* pCxt, SFunctionNode* pSrcFunc, SNodeList** pOutput) {
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  SNodeList* pExprs = NULL;
  int32_t    code = createMultiResFuncsParas(pCxt, pSrcFunc->pParameterList, &pExprs);
  if (TSDB_CODE_SUCCESS == code) {
    code = createMultiResFuncs(pSrcFunc, pExprs, pOutput);
  }
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  nodesDestroyList(pExprs);
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  return code;
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}

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static int32_t createTags(STranslateContext* pCxt, SNodeList** pOutput) {
  if (QUERY_NODE_REAL_TABLE != nodeType(((SSelectStmt*)pCxt->pCurrStmt)->pFromTable)) {
    return generateSyntaxErrMsgExt(&pCxt->msgBuf, TSDB_CODE_PAR_INVALID_TAGS_PC,
                                   "The _TAGS pseudo column can only be used for subtable and supertable queries");
  }

  SRealTableNode*   pTable = (SRealTableNode*)(((SSelectStmt*)pCxt->pCurrStmt)->pFromTable);
  const STableMeta* pMeta = pTable->pMeta;
  if (TSDB_SUPER_TABLE != pMeta->tableType && TSDB_CHILD_TABLE != pMeta->tableType) {
    return generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_INVALID_TAGS_PC,
                                "The _TAGS pseudo column can only be used for subtable and supertable queries");
  }

  SSchema* pTagsSchema = getTableTagSchema(pMeta);
  for (int32_t i = 0; i < pMeta->tableInfo.numOfTags; ++i) {
    SColumnNode* pCol = (SColumnNode*)nodesMakeNode(QUERY_NODE_COLUMN);
    if (NULL == pCol) {
      return generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_OUT_OF_MEMORY);
    }
    setColumnInfoBySchema(pTable, pTagsSchema + i, 1, pCol);
    if (TSDB_CODE_SUCCESS != nodesListMakeStrictAppend(pOutput, (SNode*)pCol)) {
      NODES_DESTORY_LIST(*pOutput);
      return TSDB_CODE_OUT_OF_MEMORY;
    }
  }
  return TSDB_CODE_SUCCESS;
}

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static int32_t translateStar(STranslateContext* pCxt, SSelectStmt* pSelect) {
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  SNode* pNode = NULL;
  WHERE_EACH(pNode, pSelect->pProjectionList) {
    int32_t code = TSDB_CODE_SUCCESS;
    if (isStar(pNode)) {
      SNodeList* pCols = NULL;
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      code = createAllColumns(pCxt, false, &pCols);
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      if (TSDB_CODE_SUCCESS == code) {
        INSERT_LIST(pSelect->pProjectionList, pCols);
        ERASE_NODE(pSelect->pProjectionList);
        continue;
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      }
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    } else if (isMultiResFunc(pNode)) {
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      SNodeList* pNodeList = NULL;
      if (FUNCTION_TYPE_TAGS == ((SFunctionNode*)pNode)->funcType) {
        code = createTags(pCxt, &pNodeList);
      } else {
        code = createMultiResFuncsFromStar(pCxt, (SFunctionNode*)pNode, &pNodeList);
      }
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      if (TSDB_CODE_SUCCESS == code) {
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        INSERT_LIST(pSelect->pProjectionList, pNodeList);
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        ERASE_NODE(pSelect->pProjectionList);
        continue;
      }
    } else if (isTableStar(pNode)) {
      SNodeList* pCols = NULL;
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      code = createTableAllCols(pCxt, (SColumnNode*)pNode, false, &pCols);
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      if (TSDB_CODE_SUCCESS == code) {
        INSERT_LIST(pSelect->pProjectionList, pCols);
        ERASE_NODE(pSelect->pProjectionList);
        continue;
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      }
    }
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    if (TSDB_CODE_SUCCESS != code) {
      return code;
    }
    WHERE_NEXT;
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  }
  return TSDB_CODE_SUCCESS;
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}

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static int32_t getPositionValue(const SValueNode* pVal) {
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  switch (pVal->node.resType.type) {
    case TSDB_DATA_TYPE_NULL:
    case TSDB_DATA_TYPE_TIMESTAMP:
    case TSDB_DATA_TYPE_NCHAR:
    case TSDB_DATA_TYPE_VARCHAR:
    case TSDB_DATA_TYPE_VARBINARY:
    case TSDB_DATA_TYPE_JSON:
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    case TSDB_DATA_TYPE_GEOMETRY:
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      return -1;
    case TSDB_DATA_TYPE_BOOL:
      return (pVal->datum.b ? 1 : 0);
    case TSDB_DATA_TYPE_TINYINT:
    case TSDB_DATA_TYPE_SMALLINT:
    case TSDB_DATA_TYPE_INT:
    case TSDB_DATA_TYPE_BIGINT:
      return pVal->datum.i;
    case TSDB_DATA_TYPE_FLOAT:
    case TSDB_DATA_TYPE_DOUBLE:
      return pVal->datum.d;
    case TSDB_DATA_TYPE_UTINYINT:
    case TSDB_DATA_TYPE_USMALLINT:
    case TSDB_DATA_TYPE_UINT:
    case TSDB_DATA_TYPE_UBIGINT:
      return pVal->datum.u;
    default:
      break;
  }
  return -1;
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}

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static int32_t translateOrderByPosition(STranslateContext* pCxt, SNodeList* pProjectionList, SNodeList* pOrderByList,
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                                        bool* pOther) {
  *pOther = false;
  SNode* pNode = NULL;
  WHERE_EACH(pNode, pOrderByList) {
    SNode* pExpr = ((SOrderByExprNode*)pNode)->pExpr;
    if (QUERY_NODE_VALUE == nodeType(pExpr)) {
      SValueNode* pVal = (SValueNode*)pExpr;
      if (DEAL_RES_ERROR == translateValue(pCxt, pVal)) {
        return pCxt->errCode;
      }
      int32_t pos = getPositionValue(pVal);
      if (pos < 0) {
        ERASE_NODE(pOrderByList);
        continue;
      } else if (0 == pos || pos > LIST_LENGTH(pProjectionList)) {
        return generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_WRONG_NUMBER_OF_SELECT);
      } else {
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        SColumnRefNode* pCol = (SColumnRefNode*)nodesMakeNode(QUERY_NODE_COLUMN_REF);
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        if (NULL == pCol) {
          return generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_OUT_OF_MEMORY);
        }
2976
        strcpy(pCol->colName, ((SExprNode*)nodesListGetNode(pProjectionList, pos - 1))->aliasName);
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        ((SOrderByExprNode*)pNode)->pExpr = (SNode*)pCol;
        nodesDestroyNode(pExpr);
      }
    } else {
      *pOther = true;
    }
    WHERE_NEXT;
  }
  return TSDB_CODE_SUCCESS;
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}

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static int32_t translateOrderBy(STranslateContext* pCxt, SSelectStmt* pSelect) {
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  bool    other;
  int32_t code = translateOrderByPosition(pCxt, pSelect->pProjectionList, pSelect->pOrderByList, &other);
  if (TSDB_CODE_SUCCESS == code) {
2992 2993 2994 2995
    if (0 == LIST_LENGTH(pSelect->pOrderByList)) {
      NODES_DESTORY_LIST(pSelect->pOrderByList);
      return TSDB_CODE_SUCCESS;
    }
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    if (!other) {
      return TSDB_CODE_SUCCESS;
    }
    pCxt->currClause = SQL_CLAUSE_ORDER_BY;
    code = translateExprList(pCxt, pSelect->pOrderByList);
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  }
  if (TSDB_CODE_SUCCESS == code) {
    code = checkExprListForGroupBy(pCxt, pSelect, pSelect->pOrderByList);
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  }
  return code;
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}

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static EDealRes needFillImpl(SNode* pNode, void* pContext) {
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  if (isAggFunc(pNode) && FUNCTION_TYPE_GROUP_KEY != ((SFunctionNode*)pNode)->funcType) {
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    *(bool*)pContext = true;
    return DEAL_RES_END;
  }
  return DEAL_RES_CONTINUE;
}

static bool needFill(SNode* pNode) {
  bool hasFillFunc = false;
  nodesWalkExpr(pNode, needFillImpl, &hasFillFunc);
  return hasFillFunc;
}

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static int32_t convertFillValue(STranslateContext* pCxt, SDataType dt, SNodeList* pValues, int32_t index) {
  SListCell* pCell = nodesListGetCell(pValues, index);
  if (dataTypeEqual(&dt, &((SExprNode*)pCell->pNode)->resType)) {
    return TSDB_CODE_SUCCESS;
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  }
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  SNode*  pCaseFunc = NULL;
  int32_t code = createCastFunc(pCxt, pCell->pNode, dt, &pCaseFunc);
  if (TSDB_CODE_SUCCESS == code) {
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    code = scalarCalculateConstants(pCaseFunc, &pCell->pNode);
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  }
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  if (TSDB_CODE_SUCCESS == code && QUERY_NODE_VALUE != nodeType(pCell->pNode)) {
    code = generateSyntaxErrMsgExt(&pCxt->msgBuf, TSDB_CODE_PAR_WRONG_VALUE_TYPE, "Fill value is just a constant");
  } else if (TSDB_CODE_SUCCESS != code) {
    code = generateSyntaxErrMsgExt(&pCxt->msgBuf, TSDB_CODE_PAR_WRONG_VALUE_TYPE, "Filled data type mismatch");
  }
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  return code;
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}

static int32_t checkFillValues(STranslateContext* pCxt, SFillNode* pFill, SNodeList* pProjectionList) {
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  if (FILL_MODE_VALUE != pFill->mode && FILL_MODE_VALUE_F != pFill->mode) {
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    return TSDB_CODE_SUCCESS;
  }

  int32_t        fillNo = 0;
  SNodeListNode* pFillValues = (SNodeListNode*)pFill->pValues;
  SNode*         pProject = NULL;
  FOREACH(pProject, pProjectionList) {
    if (needFill(pProject)) {
      if (fillNo >= LIST_LENGTH(pFillValues->pNodeList)) {
        return generateSyntaxErrMsgExt(&pCxt->msgBuf, TSDB_CODE_PAR_WRONG_VALUE_TYPE, "Filled values number mismatch");
      }
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      int32_t code = convertFillValue(pCxt, ((SExprNode*)pProject)->resType, pFillValues->pNodeList, fillNo);
      if (TSDB_CODE_SUCCESS != code) {
        return code;
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      }
      ++fillNo;
    }
  }
  if (fillNo != LIST_LENGTH(pFillValues->pNodeList)) {
    return generateSyntaxErrMsgExt(&pCxt->msgBuf, TSDB_CODE_PAR_WRONG_VALUE_TYPE, "Filled values number mismatch");
  }
  return TSDB_CODE_SUCCESS;
}

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static int32_t translateFillValues(STranslateContext* pCxt, SSelectStmt* pSelect) {
  if (NULL == pSelect->pWindow || QUERY_NODE_INTERVAL_WINDOW != nodeType(pSelect->pWindow) ||
      NULL == ((SIntervalWindowNode*)pSelect->pWindow)->pFill) {
    return TSDB_CODE_SUCCESS;
  }
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  return checkFillValues(pCxt, (SFillNode*)((SIntervalWindowNode*)pSelect->pWindow)->pFill, pSelect->pProjectionList);
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}

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static int32_t rewriteProjectAlias(SNodeList* pProjectionList) {
  int32_t no = 1;
  SNode*  pProject = NULL;
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  FOREACH(pProject, pProjectionList) {
    SExprNode* pExpr = (SExprNode*)pProject;
    if ('\0' == pExpr->userAlias[0]) {
      strcpy(pExpr->userAlias, pExpr->aliasName);
    }
    sprintf(pExpr->aliasName, "#expr_%d", no++);
  }
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  return TSDB_CODE_SUCCESS;
}

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static int32_t checkProjectAlias(STranslateContext* pCxt, SNodeList* pProjectionList, SHashObj** pOutput) {
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  SHashObj* pUserAliasSet = taosHashInit(LIST_LENGTH(pProjectionList),
                                         taosGetDefaultHashFunction(TSDB_DATA_TYPE_BINARY), false, HASH_NO_LOCK);
  SNode*    pProject = NULL;
  FOREACH(pProject, pProjectionList) {
    SExprNode* pExpr = (SExprNode*)pProject;
    if (NULL != taosHashGet(pUserAliasSet, pExpr->userAlias, strlen(pExpr->userAlias))) {
      taosHashCleanup(pUserAliasSet);
      return generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_AMBIGUOUS_COLUMN, pExpr->userAlias);
    }
    taosHashPut(pUserAliasSet, pExpr->userAlias, strlen(pExpr->userAlias), &pExpr, POINTER_BYTES);
  }
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  if (NULL == pOutput) {
    taosHashCleanup(pUserAliasSet);
  } else {
    *pOutput = pUserAliasSet;
  }
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  return TSDB_CODE_SUCCESS;
}

static int32_t translateProjectionList(STranslateContext* pCxt, SSelectStmt* pSelect) {
  if (pSelect->isSubquery) {
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    return checkProjectAlias(pCxt, pSelect->pProjectionList, NULL);
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  }
  return rewriteProjectAlias(pSelect->pProjectionList);
}

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static int32_t translateSelectList(STranslateContext* pCxt, SSelectStmt* pSelect) {
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  pCxt->currClause = SQL_CLAUSE_SELECT;
  int32_t code = translateExprList(pCxt, pSelect->pProjectionList);
  if (TSDB_CODE_SUCCESS == code) {
    code = translateStar(pCxt, pSelect);
  }
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  if (TSDB_CODE_SUCCESS == code) {
    code = translateProjectionList(pCxt, pSelect);
  }
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  if (TSDB_CODE_SUCCESS == code) {
3124
    code = checkExprListForGroupBy(pCxt, pSelect, pSelect->pProjectionList);
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  }  
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  if (TSDB_CODE_SUCCESS == code) {
    code = translateFillValues(pCxt, pSelect);
  }
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  if (NULL == pSelect->pProjectionList || 0 >= pSelect->pProjectionList->length) {
    code = TSDB_CODE_PAR_INVALID_SELECTED_EXPR;
  }
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  return code;
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}

3135
static int32_t translateHaving(STranslateContext* pCxt, SSelectStmt* pSelect) {
3136 3137
  if (NULL == pSelect->pGroupByList && NULL == pSelect->pPartitionByList && NULL == pSelect->pWindow &&
      NULL != pSelect->pHaving) {
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    return generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_GROUPBY_LACK_EXPRESSION);
  }
  pCxt->currClause = SQL_CLAUSE_HAVING;
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  int32_t code = translateExpr(pCxt, &pSelect->pHaving);
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  return code;
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}

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static int32_t translateGroupBy(STranslateContext* pCxt, SSelectStmt* pSelect) {
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  if (NULL == pSelect->pGroupByList) {
    return TSDB_CODE_SUCCESS;
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  }
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  if (NULL != pSelect->pWindow) {
    return generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_GROUPBY_WINDOW_COEXIST);
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  }
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  pCxt->currClause = SQL_CLAUSE_GROUP_BY;
  pSelect->isTimeLineResult = false;
  return translateExprList(pCxt, pSelect->pGroupByList);
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}

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static int32_t getTimeRange(SNode** pPrimaryKeyCond, STimeWindow* pTimeRange, bool* pIsStrict) {
  SNode*  pNew = NULL;
  int32_t code = scalarCalculateConstants(*pPrimaryKeyCond, &pNew);
  if (TSDB_CODE_SUCCESS == code) {
    *pPrimaryKeyCond = pNew;
    code = filterGetTimeRange(*pPrimaryKeyCond, pTimeRange, pIsStrict);
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  }
  return code;
}
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static int32_t getQueryTimeRange(STranslateContext* pCxt, SNode* pWhere, STimeWindow* pTimeRange) {
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  if (NULL == pWhere) {
    *pTimeRange = TSWINDOW_INITIALIZER;
    return TSDB_CODE_SUCCESS;
  }
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  SNode* pCond = nodesCloneNode(pWhere);
  if (NULL == pCond) {
    return TSDB_CODE_OUT_OF_MEMORY;
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  }
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  SNode* pPrimaryKeyCond = NULL;
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  filterPartitionCond(&pCond, &pPrimaryKeyCond, NULL, NULL, NULL);
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  int32_t code = TSDB_CODE_SUCCESS;
  if (NULL != pPrimaryKeyCond) {
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    bool isStrict = false;
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    code = getTimeRange(&pPrimaryKeyCond, pTimeRange, &isStrict);
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  } else {
    *pTimeRange = TSWINDOW_INITIALIZER;
  }
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  nodesDestroyNode(pCond);
  nodesDestroyNode(pPrimaryKeyCond);
  return code;
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}

3193
static int32_t checkFill(STranslateContext* pCxt, SFillNode* pFill, SValueNode* pInterval, bool isInterpFill) {
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  if (FILL_MODE_NONE == pFill->mode) {
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    if (isInterpFill) {
      return generateSyntaxErrMsgExt(&pCxt->msgBuf, TSDB_CODE_PAR_WRONG_VALUE_TYPE, "Unsupported fill type");
    }

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    return TSDB_CODE_SUCCESS;
  }

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  if (!pCxt->createStream && TSWINDOW_IS_EQUAL(pFill->timeRange, TSWINDOW_INITIALIZER)) {
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    return generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_INVALID_FILL_TIME_RANGE);
  }

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  if (TSWINDOW_IS_EQUAL(pFill->timeRange, TSWINDOW_DESC_INITIALIZER)) {
    return TSDB_CODE_SUCCESS;
  }

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  // interp FILL clause
  if (NULL == pInterval) {
    return TSDB_CODE_SUCCESS;
  }

  int64_t timeRange = TABS(pFill->timeRange.skey - pFill->timeRange.ekey);
  int64_t intervalRange = 0;
  if (TIME_IS_VAR_DURATION(pInterval->unit)) {
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    int64_t f = 1;
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    if (pInterval->unit == 'n') {
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      f = 30LL * MILLISECOND_PER_DAY;
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    } else if (pInterval->unit == 'y') {
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      f = 365LL * MILLISECOND_PER_DAY;
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    }
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    intervalRange = pInterval->datum.i * f;
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  } else {
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    intervalRange = pInterval->datum.i;
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  }
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  if ((timeRange / intervalRange) >= MAX_INTERVAL_TIME_WINDOW) {
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    return generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_INVALID_FILL_TIME_RANGE);
  }

  return TSDB_CODE_SUCCESS;
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}

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static int32_t translateFill(STranslateContext* pCxt, SSelectStmt* pSelect, SIntervalWindowNode* pInterval) {
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  if (NULL == pInterval->pFill) {
    return TSDB_CODE_SUCCESS;
  }
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3241
  ((SFillNode*)pInterval->pFill)->timeRange = pSelect->timeRange;
3242
  return checkFill(pCxt, (SFillNode*)pInterval->pFill, (SValueNode*)pInterval->pInterval, false);
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}

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static int64_t getMonthsFromTimeVal(int64_t val, int32_t fromPrecision, char unit) {
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  int64_t days = convertTimeFromPrecisionToUnit(val, fromPrecision, 'd');
  switch (unit) {
    case 'b':
    case 'u':
    case 'a':
    case 's':
    case 'm':
    case 'h':
    case 'd':
    case 'w':
      return days / 28;
    case 'n':
      return val;
    case 'y':
      return val * 12;
    default:
      break;
  }
  return -1;
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}

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static const char* getPrecisionStr(uint8_t precision) {
  switch (precision) {
    case TSDB_TIME_PRECISION_MILLI:
      return TSDB_TIME_PRECISION_MILLI_STR;
    case TSDB_TIME_PRECISION_MICRO:
      return TSDB_TIME_PRECISION_MICRO_STR;
    case TSDB_TIME_PRECISION_NANO:
      return TSDB_TIME_PRECISION_NANO_STR;
    default:
      break;
  }
  return "unknown";
}

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static void convertVarDuration(SValueNode* pOffset, uint8_t precision) {
  const int64_t factors[3] = {NANOSECOND_PER_MSEC, NANOSECOND_PER_USEC, 1};
  const int8_t  units[3] = {TIME_UNIT_MILLISECOND, TIME_UNIT_MICROSECOND, TIME_UNIT_NANOSECOND};

  if (pOffset->unit == 'n') {
    pOffset->datum.i = pOffset->datum.i * 31 * (NANOSECOND_PER_DAY / factors[precision]);
  } else {
    pOffset->datum.i = pOffset->datum.i * 365 * (NANOSECOND_PER_DAY / factors[precision]);
  }

  pOffset->unit = units[precision];
}

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static int32_t checkIntervalWindow(STranslateContext* pCxt, SIntervalWindowNode* pInterval) {
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  uint8_t precision = ((SColumnNode*)pInterval->pCol)->node.resType.precision;

  SValueNode* pInter = (SValueNode*)pInterval->pInterval;
  bool        valInter = TIME_IS_VAR_DURATION(pInter->unit);
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  if (pInter->datum.i <= 0 || (!valInter && pInter->datum.i < tsMinIntervalTime)) {
    return generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_INTER_VALUE_TOO_SMALL, tsMinIntervalTime,
                                getPrecisionStr(precision));
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  }

  if (NULL != pInterval->pOffset) {
    SValueNode* pOffset = (SValueNode*)pInterval->pOffset;
    if (pOffset->datum.i <= 0) {
      return generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_INTER_OFFSET_NEGATIVE);
    }
    if (pInter->unit == 'n' && pOffset->unit == 'y') {
      return generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_INTER_OFFSET_UNIT);
    }
    bool fixed = !TIME_IS_VAR_DURATION(pOffset->unit) && !valInter;
    if ((fixed && pOffset->datum.i >= pInter->datum.i) ||
        (!fixed && getMonthsFromTimeVal(pOffset->datum.i, precision, pOffset->unit) >=
                       getMonthsFromTimeVal(pInter->datum.i, precision, pInter->unit))) {
      return generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_INTER_OFFSET_TOO_BIG);
    }
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    if (pOffset->unit == 'n' || pOffset->unit == 'y') {
      convertVarDuration(pOffset, precision);
    }
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  }

  if (NULL != pInterval->pSliding) {
    const static int32_t INTERVAL_SLIDING_FACTOR = 100;

    SValueNode* pSliding = (SValueNode*)pInterval->pSliding;
    if (TIME_IS_VAR_DURATION(pSliding->unit)) {
      return generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_INTER_SLIDING_UNIT);
    }
    if ((pSliding->datum.i < convertTimePrecision(tsMinSlidingTime, TSDB_TIME_PRECISION_MILLI, precision)) ||
        (pInter->datum.i / pSliding->datum.i > INTERVAL_SLIDING_FACTOR)) {
      return generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_INTER_SLIDING_TOO_SMALL);
    }
    if (pSliding->datum.i > pInter->datum.i) {
      return generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_INTER_SLIDING_TOO_BIG);
    }
  }

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  return TSDB_CODE_SUCCESS;
}

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static int32_t translateIntervalWindow(STranslateContext* pCxt, SSelectStmt* pSelect) {
  SIntervalWindowNode* pInterval = (SIntervalWindowNode*)pSelect->pWindow;
  int32_t              code = checkIntervalWindow(pCxt, pInterval);
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  if (TSDB_CODE_SUCCESS == code) {
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    code = translateFill(pCxt, pSelect, pInterval);
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  }
  return code;
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}

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static int32_t checkStateExpr(STranslateContext* pCxt, SNode* pNode) {
  int32_t type = ((SExprNode*)pNode)->resType.type;
  if (!IS_INTEGER_TYPE(type) && type != TSDB_DATA_TYPE_BOOL && !IS_VAR_DATA_TYPE(type)) {
    return generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_INVALID_STATE_WIN_TYPE);
  }
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  if (QUERY_NODE_COLUMN == nodeType(pNode) && COLUMN_TYPE_TAG == ((SColumnNode*)pNode)->colType) {
    return generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_INVALID_STATE_WIN_COL);
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  }
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  return TSDB_CODE_SUCCESS;
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}

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static bool hasPartitionByTbname(SNodeList* pPartitionByList) {
  SNode* pPartKey = NULL;
  FOREACH(pPartKey, pPartitionByList) {
    if (QUERY_NODE_FUNCTION == nodeType(pPartKey) && FUNCTION_TYPE_TBNAME == ((SFunctionNode*)pPartKey)->funcType) {
      return true;
    }
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  }
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  return false;
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}

static int32_t checkStateWindowForStream(STranslateContext* pCxt, SSelectStmt* pSelect) {
  if (!pCxt->createStream) {
    return TSDB_CODE_SUCCESS;
  }
  if (TSDB_SUPER_TABLE == ((SRealTableNode*)pSelect->pFromTable)->pMeta->tableType &&
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      !hasPartitionByTbname(pSelect->pPartitionByList)) {
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    return generateSyntaxErrMsgExt(&pCxt->msgBuf, TSDB_CODE_PAR_INVALID_STREAM_QUERY, "Unsupported stream query");
  }
  return TSDB_CODE_SUCCESS;
}

static int32_t translateStateWindow(STranslateContext* pCxt, SSelectStmt* pSelect) {
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  if (QUERY_NODE_TEMP_TABLE == nodeType(pSelect->pFromTable) &&
      !isGlobalTimeLineQuery(((STempTableNode*)pSelect->pFromTable)->pSubquery)) {
    return generateSyntaxErrMsgExt(&pCxt->msgBuf, TSDB_CODE_PAR_INVALID_TIMELINE_QUERY,
                                   "STATE_WINDOW requires valid time series input");
  }

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  SStateWindowNode* pState = (SStateWindowNode*)pSelect->pWindow;
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  int32_t           code = checkStateExpr(pCxt, pState->pExpr);
  if (TSDB_CODE_SUCCESS == code) {
    code = checkStateWindowForStream(pCxt, pSelect);
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  }
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  return code;
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}

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static int32_t translateSessionWindow(STranslateContext* pCxt, SSelectStmt* pSelect) {
  if (QUERY_NODE_TEMP_TABLE == nodeType(pSelect->pFromTable) &&
      !isGlobalTimeLineQuery(((STempTableNode*)pSelect->pFromTable)->pSubquery)) {
    return generateSyntaxErrMsgExt(&pCxt->msgBuf, TSDB_CODE_PAR_INVALID_TIMELINE_QUERY,
                                   "SESSION requires valid time series input");
  }

  SSessionWindowNode* pSession = (SSessionWindowNode*)pSelect->pWindow;
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  if ('y' == pSession->pGap->unit || 'n' == pSession->pGap->unit || 0 == pSession->pGap->datum.i) {
    return generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_INTER_SESSION_GAP);
  }
  if (PRIMARYKEY_TIMESTAMP_COL_ID != pSession->pCol->colId) {
    return generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_INTER_SESSION_COL);
  }
  return TSDB_CODE_SUCCESS;
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}

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static int32_t translateEventWindow(STranslateContext* pCxt, SSelectStmt* pSelect) {
  if (QUERY_NODE_TEMP_TABLE == nodeType(pSelect->pFromTable) &&
      !isGlobalTimeLineQuery(((STempTableNode*)pSelect->pFromTable)->pSubquery)) {
    return generateSyntaxErrMsgExt(&pCxt->msgBuf, TSDB_CODE_PAR_INVALID_TIMELINE_QUERY,
                                   "EVENT_WINDOW requires valid time series input");
  }
  return TSDB_CODE_SUCCESS;
}

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static int32_t translateSpecificWindow(STranslateContext* pCxt, SSelectStmt* pSelect) {
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  switch (nodeType(pSelect->pWindow)) {
    case QUERY_NODE_STATE_WINDOW:
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      return translateStateWindow(pCxt, pSelect);
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    case QUERY_NODE_SESSION_WINDOW:
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      return translateSessionWindow(pCxt, pSelect);
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    case QUERY_NODE_INTERVAL_WINDOW:
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      return translateIntervalWindow(pCxt, pSelect);
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    case QUERY_NODE_EVENT_WINDOW:
      return translateEventWindow(pCxt, pSelect);
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    default:
      break;
  }
  return TSDB_CODE_SUCCESS;
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}

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static int32_t translateWindow(STranslateContext* pCxt, SSelectStmt* pSelect) {
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  if (NULL == pSelect->pWindow) {
    return TSDB_CODE_SUCCESS;
  }
  pCxt->currClause = SQL_CLAUSE_WINDOW;
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  int32_t code = translateExpr(pCxt, &pSelect->pWindow);
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  if (TSDB_CODE_SUCCESS == code) {
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    code = translateSpecificWindow(pCxt, pSelect);
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  }
  return code;
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}

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static int32_t createDefaultFillNode(STranslateContext* pCxt, SNode** pOutput) {
  SFillNode* pFill = (SFillNode*)nodesMakeNode(QUERY_NODE_FILL);
  if (NULL == pFill) {
    return TSDB_CODE_OUT_OF_MEMORY;
  }

  pFill->mode = FILL_MODE_NONE;

  SColumnNode* pCol = (SColumnNode*)nodesMakeNode(QUERY_NODE_COLUMN);
  if (NULL == pCol) {
    nodesDestroyNode((SNode*)pFill);
    return TSDB_CODE_OUT_OF_MEMORY;
  }
  pCol->colId = PRIMARYKEY_TIMESTAMP_COL_ID;
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  strcpy(pCol->colName, ROWTS_PSEUDO_COLUMN_NAME);
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  pFill->pWStartTs = (SNode*)pCol;

  *pOutput = (SNode*)pFill;
  return TSDB_CODE_SUCCESS;
}

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static int32_t checkEvery(STranslateContext* pCxt, SValueNode* pInterval) {
  int32_t len = strlen(pInterval->literal);

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  char* unit = &pInterval->literal[len - 1];
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  if (*unit == 'n' || *unit == 'y') {
    return generateSyntaxErrMsgExt(&pCxt->msgBuf, TSDB_CODE_PAR_WRONG_VALUE_TYPE,
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                                   "Unsupported time unit in EVERY clause");
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  }

  return TSDB_CODE_SUCCESS;
}

static int32_t translateInterpEvery(STranslateContext* pCxt, SNode** pEvery) {
  int32_t code = TSDB_CODE_SUCCESS;

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  code = checkEvery(pCxt, (SValueNode*)(*pEvery));
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  if (TSDB_CODE_SUCCESS == code) {
    code = translateExpr(pCxt, pEvery);
  }

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  int64_t interval = ((SValueNode*)(*pEvery))->datum.i;
  if (interval == 0) {
    return generateSyntaxErrMsgExt(&pCxt->msgBuf, TSDB_CODE_PAR_WRONG_VALUE_TYPE,
                                   "Unsupported time unit in EVERY clause");
  }

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  return code;
}

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static int32_t translateInterpFill(STranslateContext* pCxt, SSelectStmt* pSelect) {
  int32_t code = TSDB_CODE_SUCCESS;

  if (NULL == pSelect->pFill) {
    code = createDefaultFillNode(pCxt, &pSelect->pFill);
  }
  if (TSDB_CODE_SUCCESS == code) {
    code = translateExpr(pCxt, &pSelect->pFill);
  }
  if (TSDB_CODE_SUCCESS == code) {
3515
    code = getQueryTimeRange(pCxt, pSelect->pRange, &(((SFillNode*)pSelect->pFill)->timeRange));
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  }
  if (TSDB_CODE_SUCCESS == code) {
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    code = checkFill(pCxt, (SFillNode*)pSelect->pFill, (SValueNode*)pSelect->pEvery, true);
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  }

  return code;
}

static int32_t translateInterp(STranslateContext* pCxt, SSelectStmt* pSelect) {
  if (!pSelect->hasInterpFunc) {
    if (NULL != pSelect->pRange || NULL != pSelect->pEvery || NULL != pSelect->pFill) {
      return generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_INVALID_INTERP_CLAUSE);
    }
3529
    if (pSelect->hasInterpPseudoColFunc) {
3530 3531
      return generateSyntaxErrMsgExt(&pCxt->msgBuf, TSDB_CODE_PAR_NOT_ALLOWED_FUNC,
                                     "Has Interp pseudo column(s) but missing interp function");
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    }
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    return TSDB_CODE_SUCCESS;
  }

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  if (NULL == pSelect->pRange || NULL == pSelect->pEvery || NULL == pSelect->pFill) {
    return generateSyntaxErrMsgExt(&pCxt->msgBuf, TSDB_CODE_PAR_INVALID_INTERP_CLAUSE,
                                   "Missing RANGE clause, EVERY clause or FILL clause");
  }

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  int32_t code = translateExpr(pCxt, &pSelect->pRange);
  if (TSDB_CODE_SUCCESS == code) {
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    code = translateInterpEvery(pCxt, &pSelect->pEvery);
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  }
  if (TSDB_CODE_SUCCESS == code) {
    code = translateInterpFill(pCxt, pSelect);
  }
  return code;
}

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static int32_t translatePartitionBy(STranslateContext* pCxt, SSelectStmt* pSelect) {
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  pCxt->currClause = SQL_CLAUSE_PARTITION_BY;
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  int32_t code = translateExprList(pCxt, pSelect->pPartitionByList);
  if (TSDB_CODE_SUCCESS == code) {
    code = translateExprList(pCxt, pSelect->pTags);
  }
  if (TSDB_CODE_SUCCESS == code) {
    code = translateExpr(pCxt, &pSelect->pSubtable);
  }
  return code;
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}

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static int32_t translateWhere(STranslateContext* pCxt, SSelectStmt* pSelect) {
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  pCxt->currClause = SQL_CLAUSE_WHERE;
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  int32_t code = translateExpr(pCxt, &pSelect->pWhere);
3566
  if (TSDB_CODE_SUCCESS == code) {
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    code = getQueryTimeRange(pCxt, pSelect->pWhere, &pSelect->timeRange);
  }
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  if (TSDB_CODE_SUCCESS == code && pSelect->timeRange.skey > pSelect->timeRange.ekey) {
    pSelect->isEmptyResult = true;
  }
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  return code;
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}

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static int32_t translateFrom(STranslateContext* pCxt, SNode* pTable) {
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  pCxt->currClause = SQL_CLAUSE_FROM;
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  return translateTable(pCxt, pTable);
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}

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static int32_t checkLimit(STranslateContext* pCxt, SSelectStmt* pSelect) {
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  if ((NULL != pSelect->pLimit && pSelect->pLimit->offset < 0) ||
      (NULL != pSelect->pSlimit && pSelect->pSlimit->offset < 0)) {
    return generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_OFFSET_LESS_ZERO);
  }
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  if (NULL != pSelect->pSlimit && (NULL == pSelect->pPartitionByList && NULL == pSelect->pGroupByList)) {
    return generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_SLIMIT_LEAK_PARTITION_GROUP_BY);
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  }
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  return TSDB_CODE_SUCCESS;
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}

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static int32_t createPrimaryKeyColByTable(STranslateContext* pCxt, STableNode* pTable, SNode** pPrimaryKey) {
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  SColumnNode* pCol = (SColumnNode*)nodesMakeNode(QUERY_NODE_COLUMN);
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  if (NULL == pCol) {
    return TSDB_CODE_OUT_OF_MEMORY;
  }
  pCol->colId = PRIMARYKEY_TIMESTAMP_COL_ID;
3599
  strcpy(pCol->colName, ROWTS_PSEUDO_COLUMN_NAME);
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  bool    found = false;
  int32_t code = findAndSetColumn(pCxt, &pCol, pTable, &found);
  if (TSDB_CODE_SUCCESS != code || !found) {
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    return generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_INVALID_TIMELINE_FUNC);
  }
  *pPrimaryKey = (SNode*)pCol;
  return TSDB_CODE_SUCCESS;
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}

static int32_t createPrimaryKeyCol(STranslateContext* pCxt, SNode** pPrimaryKey) {
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  STableNode* pTable = NULL;
  int32_t     code = findTable(pCxt, NULL, &pTable);
  if (TSDB_CODE_SUCCESS == code) {
    code = createPrimaryKeyColByTable(pCxt, pTable, pPrimaryKey);
  }
  return code;
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}

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static EDealRes appendTsForImplicitTsFuncImpl(SNode* pNode, void* pContext) {
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  STranslateContext* pCxt = pContext;
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  if (isImplicitTsFunc(pNode)) {
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    SFunctionNode* pFunc = (SFunctionNode*)pNode;
    SNode*         pPrimaryKey = NULL;
    pCxt->errCode = createPrimaryKeyCol(pCxt, &pPrimaryKey);
    if (TSDB_CODE_SUCCESS == pCxt->errCode) {
      pCxt->errCode = nodesListMakeStrictAppend(&pFunc->pParameterList, pPrimaryKey);
    }
    return TSDB_CODE_SUCCESS == pCxt->errCode ? DEAL_RES_IGNORE_CHILD : DEAL_RES_ERROR;
  }
  return DEAL_RES_CONTINUE;
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}

3632 3633
static int32_t appendTsForImplicitTsFunc(STranslateContext* pCxt, SSelectStmt* pSelect) {
  nodesWalkSelectStmt(pSelect, SQL_CLAUSE_FROM, appendTsForImplicitTsFuncImpl, pCxt);
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  return pCxt->errCode;
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}
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typedef struct SReplaceOrderByAliasCxt {
  STranslateContext* pTranslateCxt;
  SNodeList*         pProjectionList;
} SReplaceOrderByAliasCxt;

static EDealRes replaceOrderByAliasImpl(SNode** pNode, void* pContext) {
  SReplaceOrderByAliasCxt* pCxt = pContext;
  if (QUERY_NODE_COLUMN_REF == nodeType(*pNode)) {
    SNodeList* pProjectionList = pCxt->pProjectionList;
    SNode*     pProject = NULL;
    FOREACH(pProject, pProjectionList) {
      SExprNode* pExpr = (SExprNode*)pProject;
      if (0 == strcmp(((SColumnRefNode*)*pNode)->colName, pExpr->aliasName)) {
        SNode* pNew = nodesCloneNode(pProject);
        if (NULL == pNew) {
          pCxt->pTranslateCxt->errCode = TSDB_CODE_OUT_OF_MEMORY;
          return DEAL_RES_ERROR;
        }
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        ((SExprNode*)pNew)->orderAlias = true;
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        nodesDestroyNode(*pNode);
        *pNode = pNew;
        return DEAL_RES_CONTINUE;
      }
    }
  }
  return DEAL_RES_CONTINUE;
}

static int32_t replaceOrderByAlias(STranslateContext* pCxt, SNodeList* pProjectionList, SNodeList* pOrderByList) {
3666 3667 3668
  if (NULL == pOrderByList) {
    return TSDB_CODE_SUCCESS;
  }
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  SReplaceOrderByAliasCxt cxt = {.pTranslateCxt = pCxt, .pProjectionList = pProjectionList};
  nodesRewriteExprsPostOrder(pOrderByList, replaceOrderByAliasImpl, &cxt);
  return pCxt->errCode;
}

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static void resetResultTimeline(SSelectStmt* pSelect) {
  if (NULL == pSelect->pOrderByList) {
    return;
  }
  SNode* pOrder = ((SOrderByExprNode*)nodesListGetNode(pSelect->pOrderByList, 0))->pExpr;
  if ((QUERY_NODE_TEMP_TABLE == nodeType(pSelect->pFromTable) &&
       isPrimaryKey((STempTableNode*)pSelect->pFromTable, pOrder)) ||
      (QUERY_NODE_TEMP_TABLE != nodeType(pSelect->pFromTable) && isPrimaryKeyImpl(pOrder))) {
    pSelect->isTimeLineResult = true;
  } else {
    pSelect->isTimeLineResult = false;
  }
}

static int32_t replaceOrderByAliasForSelect(STranslateContext* pCxt, SSelectStmt* pSelect) {
  int32_t code = replaceOrderByAlias(pCxt, pSelect->pProjectionList, pSelect->pOrderByList);
  if (TSDB_CODE_SUCCESS == pCxt->errCode) {
    resetResultTimeline(pSelect);
  }
  return code;
}

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static int32_t translateSelectWithoutFrom(STranslateContext* pCxt, SSelectStmt* pSelect) {
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  pCxt->pCurrStmt = (SNode*)pSelect;
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  pCxt->currClause = SQL_CLAUSE_SELECT;
  return translateExprList(pCxt, pSelect->pProjectionList);
}

static int32_t translateSelectFrom(STranslateContext* pCxt, SSelectStmt* pSelect) {
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  pCxt->pCurrStmt = (SNode*)pSelect;
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  int32_t code = translateFrom(pCxt, pSelect->pFromTable);
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  if (TSDB_CODE_SUCCESS == code) {
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    pSelect->precision = ((STableNode*)pSelect->pFromTable)->precision;
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    code = translateWhere(pCxt, pSelect);
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  }
  if (TSDB_CODE_SUCCESS == code) {
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    code = translatePartitionBy(pCxt, pSelect);
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  }
  if (TSDB_CODE_SUCCESS == code) {
    code = translateWindow(pCxt, pSelect);
  }
  if (TSDB_CODE_SUCCESS == code) {
    code = translateGroupBy(pCxt, pSelect);
  }
  if (TSDB_CODE_SUCCESS == code) {
    code = translateHaving(pCxt, pSelect);
  }
  if (TSDB_CODE_SUCCESS == code) {
    code = translateSelectList(pCxt, pSelect);
  }
  if (TSDB_CODE_SUCCESS == code) {
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    code = checkHavingGroupBy(pCxt, pSelect);
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  }
  if (TSDB_CODE_SUCCESS == code) {
    code = translateOrderBy(pCxt, pSelect);
  }
  if (TSDB_CODE_SUCCESS == code) {
    code = checkAggColCoexist(pCxt, pSelect);
  }
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  if (TSDB_CODE_SUCCESS == code) {
    code = checkWindowFuncCoexist(pCxt, pSelect);
  }
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  if (TSDB_CODE_SUCCESS == code) {
    code = checkLimit(pCxt, pSelect);
  }
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  if (TSDB_CODE_SUCCESS == code) {
    code = translateInterp(pCxt, pSelect);
  }
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  if (TSDB_CODE_SUCCESS == code) {
3743
    code = appendTsForImplicitTsFunc(pCxt, pSelect);
3744
  }
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  if (TSDB_CODE_SUCCESS == code) {
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    code = replaceOrderByAliasForSelect(pCxt, pSelect);
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  }
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  if (TSDB_CODE_SUCCESS == code) {
    code = setTableCacheLastMode(pCxt, pSelect);
  }
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  if (TSDB_CODE_SUCCESS == code) {
    code = replaceTbName(pCxt, pSelect);
  }
  
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  return code;
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}

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static int32_t translateSelect(STranslateContext* pCxt, SSelectStmt* pSelect) {
  if (NULL == pSelect->pFromTable) {
    return translateSelectWithoutFrom(pCxt, pSelect);
  } else {
    return translateSelectFrom(pCxt, pSelect);
  }
}

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static SNode* createSetOperProject(const char* pTableAlias, SNode* pNode) {
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  SColumnNode* pCol = (SColumnNode*)nodesMakeNode(QUERY_NODE_COLUMN);
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  if (NULL == pCol) {
    return NULL;
  }
  pCol->node.resType = ((SExprNode*)pNode)->resType;
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  snprintf(pCol->tableAlias, sizeof(pCol->tableAlias), "%s", pTableAlias);
  snprintf(pCol->colName, sizeof(pCol->colName), "%s", ((SExprNode*)pNode)->aliasName);
  snprintf(pCol->node.aliasName, sizeof(pCol->node.aliasName), "%s", pCol->colName);
  snprintf(pCol->node.userAlias, sizeof(pCol->node.userAlias), "%s", ((SExprNode*)pNode)->userAlias);
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  return (SNode*)pCol;
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}

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static int32_t translateSetOperProject(STranslateContext* pCxt, SSetOperator* pSetOperator) {
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  SNodeList* pLeftProjections = getProjectList(pSetOperator->pLeft);
  SNodeList* pRightProjections = getProjectList(pSetOperator->pRight);
  if (LIST_LENGTH(pLeftProjections) != LIST_LENGTH(pRightProjections)) {
    return generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_INCORRECT_NUM_OF_COL);
  }

  SNode* pLeft = NULL;
  SNode* pRight = NULL;
  FORBOTH(pLeft, pLeftProjections, pRight, pRightProjections) {
    SExprNode* pLeftExpr = (SExprNode*)pLeft;
    SExprNode* pRightExpr = (SExprNode*)pRight;
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    int32_t    comp = dataTypeComp(&pLeftExpr->resType, &pRightExpr->resType);
    if (comp > 0) {
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      SNode*  pRightFunc = NULL;
      int32_t code = createCastFunc(pCxt, pRight, pLeftExpr->resType, &pRightFunc);
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      if (TSDB_CODE_SUCCESS != code || NULL == pRightFunc) {  // deal scan coverity
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        return code;
      }
      REPLACE_LIST2_NODE(pRightFunc);
      pRightExpr = (SExprNode*)pRightFunc;
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    } else if (comp < 0) {
      SNode*  pLeftFunc = NULL;
      int32_t code = createCastFunc(pCxt, pLeft, pRightExpr->resType, &pLeftFunc);
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      if (TSDB_CODE_SUCCESS != code || NULL == pLeftFunc) {  // deal scan coverity
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        return code;
      }
      REPLACE_LIST1_NODE(pLeftFunc);
      SExprNode* pLeftFuncExpr = (SExprNode*)pLeftFunc;
      snprintf(pLeftFuncExpr->aliasName, sizeof(pLeftFuncExpr->aliasName), "%s", pLeftExpr->aliasName);
      snprintf(pLeftFuncExpr->userAlias, sizeof(pLeftFuncExpr->userAlias), "%s", pLeftExpr->userAlias);
      pLeft = pLeftFunc;
      pLeftExpr = pLeftFuncExpr;
    }
    snprintf(pRightExpr->aliasName, sizeof(pRightExpr->aliasName), "%s", pLeftExpr->aliasName);
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    if (TSDB_CODE_SUCCESS != nodesListMakeStrictAppend(&pSetOperator->pProjectionList,
                                                       createSetOperProject(pSetOperator->stmtName, pLeft))) {
      return TSDB_CODE_OUT_OF_MEMORY;
    }
  }
  return TSDB_CODE_SUCCESS;
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}

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static uint8_t calcSetOperatorPrecision(SSetOperator* pSetOperator) {
  return calcPrecision(getStmtPrecision(pSetOperator->pLeft), getStmtPrecision(pSetOperator->pRight));
}

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static int32_t translateSetOperOrderBy(STranslateContext* pCxt, SSetOperator* pSetOperator) {
  bool    other;
  int32_t code = translateOrderByPosition(pCxt, pSetOperator->pProjectionList, pSetOperator->pOrderByList, &other);
  if (TSDB_CODE_SUCCESS == code) {
    if (other) {
      pCxt->currClause = SQL_CLAUSE_ORDER_BY;
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      pCxt->pCurrStmt = (SNode*)pSetOperator;
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      code = translateExprList(pCxt, pSetOperator->pOrderByList);
    }
  }
  if (TSDB_CODE_SUCCESS == code) {
    code = replaceOrderByAlias(pCxt, pSetOperator->pProjectionList, pSetOperator->pOrderByList);
  }
  return code;
}

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static int32_t checkSetOperLimit(STranslateContext* pCxt, SLimitNode* pLimit) {
  if ((NULL != pLimit && pLimit->offset < 0)) {
    return generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_OFFSET_LESS_ZERO);
  }
  return TSDB_CODE_SUCCESS;
}

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static int32_t translateSetOperator(STranslateContext* pCxt, SSetOperator* pSetOperator) {
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  int32_t code = translateQuery(pCxt, pSetOperator->pLeft);
  if (TSDB_CODE_SUCCESS == code) {
    code = resetTranslateNamespace(pCxt);
  }
  if (TSDB_CODE_SUCCESS == code) {
    code = translateQuery(pCxt, pSetOperator->pRight);
  }
  if (TSDB_CODE_SUCCESS == code) {
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    pSetOperator->precision = calcSetOperatorPrecision(pSetOperator);
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    code = translateSetOperProject(pCxt, pSetOperator);
  }
  if (TSDB_CODE_SUCCESS == code) {
    code = translateSetOperOrderBy(pCxt, pSetOperator);
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  }
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  if (TSDB_CODE_SUCCESS == code) {
    code = checkSetOperLimit(pCxt, (SLimitNode*)pSetOperator->pLimit);
  }
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  return code;
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}

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static int32_t partitionDeleteWhere(STranslateContext* pCxt, SDeleteStmt* pDelete) {
  if (NULL == pDelete->pWhere) {
    pDelete->timeRange = TSWINDOW_INITIALIZER;
    return TSDB_CODE_SUCCESS;
  }

  SNode*  pPrimaryKeyCond = NULL;
  SNode*  pOtherCond = NULL;
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  int32_t code = filterPartitionCond(&pDelete->pWhere, &pPrimaryKeyCond, NULL, &pDelete->pTagCond, &pOtherCond);
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  if (TSDB_CODE_SUCCESS == code && NULL != pOtherCond) {
    code = generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_INVALID_DELETE_WHERE);
  }
  if (TSDB_CODE_SUCCESS == code) {
    bool isStrict = false;
    code = getTimeRange(&pPrimaryKeyCond, &pDelete->timeRange, &isStrict);
    if (TSDB_CODE_SUCCESS == code && !isStrict) {
      code = generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_INVALID_DELETE_WHERE);
    }
  }
  nodesDestroyNode(pPrimaryKeyCond);
  nodesDestroyNode(pOtherCond);
  return code;
}

static int32_t translateDeleteWhere(STranslateContext* pCxt, SDeleteStmt* pDelete) {
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  pCxt->currClause = SQL_CLAUSE_WHERE;
  int32_t code = translateExpr(pCxt, &pDelete->pWhere);
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  if (TSDB_CODE_SUCCESS == code) {
    code = partitionDeleteWhere(pCxt, pDelete);
  }
  return code;
}

static int32_t translateDelete(STranslateContext* pCxt, SDeleteStmt* pDelete) {
3904
  pCxt->pCurrStmt = (SNode*)pDelete;
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  int32_t code = translateFrom(pCxt, pDelete->pFromTable);
  if (TSDB_CODE_SUCCESS == code) {
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    pDelete->precision = ((STableNode*)pDelete->pFromTable)->precision;
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    code = translateDeleteWhere(pCxt, pDelete);
  }
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  pCxt->currClause = SQL_CLAUSE_SELECT;
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  if (TSDB_CODE_SUCCESS == code) {
    code = translateExpr(pCxt, &pDelete->pCountFunc);
  }
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  if (TSDB_CODE_SUCCESS == code) {
    code = translateExpr(pCxt, &pDelete->pFirstFunc);
  }
  if (TSDB_CODE_SUCCESS == code) {
    code = translateExpr(pCxt, &pDelete->pLastFunc);
  }
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  return code;
}

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static int32_t translateInsertCols(STranslateContext* pCxt, SInsertStmt* pInsert) {
  if (NULL == pInsert->pCols) {
    return createAllColumns(pCxt, false, &pInsert->pCols);
  }
  return translateExprList(pCxt, pInsert->pCols);
}

static int32_t translateInsertQuery(STranslateContext* pCxt, SInsertStmt* pInsert) {
  int32_t code = resetTranslateNamespace(pCxt);
  if (TSDB_CODE_SUCCESS == code) {
    code = translateQuery(pCxt, pInsert->pQuery);
  }
  return code;
}

static int32_t addOrderByPrimaryKeyToQueryImpl(STranslateContext* pCxt, SNode* pPrimaryKeyExpr,
                                               SNodeList** pOrderByList) {
  SOrderByExprNode* pOrderByExpr = (SOrderByExprNode*)nodesMakeNode(QUERY_NODE_ORDER_BY_EXPR);
  if (NULL == pOrderByExpr) {
    return TSDB_CODE_OUT_OF_MEMORY;
  }
  pOrderByExpr->nullOrder = NULL_ORDER_FIRST;
  pOrderByExpr->order = ORDER_ASC;
  pOrderByExpr->pExpr = nodesCloneNode(pPrimaryKeyExpr);
  if (NULL == pOrderByExpr->pExpr) {
    nodesDestroyNode((SNode*)pOrderByExpr);
    return TSDB_CODE_OUT_OF_MEMORY;
  }
  ((SExprNode*)pOrderByExpr->pExpr)->orderAlias = true;
  NODES_DESTORY_LIST(*pOrderByList);
  return nodesListMakeStrictAppend(pOrderByList, (SNode*)pOrderByExpr);
}

static int32_t addOrderByPrimaryKeyToQuery(STranslateContext* pCxt, SNode* pPrimaryKeyExpr, SNode* pStmt) {
  if (QUERY_NODE_SELECT_STMT == nodeType(pStmt)) {
    return addOrderByPrimaryKeyToQueryImpl(pCxt, pPrimaryKeyExpr, &((SSelectStmt*)pStmt)->pOrderByList);
  }
  return addOrderByPrimaryKeyToQueryImpl(pCxt, pPrimaryKeyExpr, &((SSetOperator*)pStmt)->pOrderByList);
}

static int32_t translateInsertProject(STranslateContext* pCxt, SInsertStmt* pInsert) {
  SNodeList* pProjects = getProjectList(pInsert->pQuery);
  if (LIST_LENGTH(pInsert->pCols) != LIST_LENGTH(pProjects)) {
    return generateSyntaxErrMsgExt(&pCxt->msgBuf, TSDB_CODE_PAR_INVALID_COLUMNS_NUM, "Illegal number of columns");
  }

  SNode* pPrimaryKeyExpr = NULL;
  SNode* pBoundCol = NULL;
  SNode* pProj = NULL;
  FORBOTH(pBoundCol, pInsert->pCols, pProj, pProjects) {
    SColumnNode* pCol = (SColumnNode*)pBoundCol;
    SExprNode*   pExpr = (SExprNode*)pProj;
    if (!dataTypeEqual(&pCol->node.resType, &pExpr->resType)) {
      SNode*  pFunc = NULL;
      int32_t code = createCastFunc(pCxt, pProj, pCol->node.resType, &pFunc);
      if (TSDB_CODE_SUCCESS != code) {
        return code;
      }
      REPLACE_LIST2_NODE(pFunc);
      pExpr = (SExprNode*)pFunc;
    }
    snprintf(pExpr->aliasName, sizeof(pExpr->aliasName), "%s", pCol->colName);
    if (PRIMARYKEY_TIMESTAMP_COL_ID == pCol->colId) {
      pPrimaryKeyExpr = pProj;
    }
  }

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  if (NULL == pPrimaryKeyExpr) {
    return generateSyntaxErrMsgExt(&pCxt->msgBuf, TSDB_CODE_PAR_INVALID_COLUMNS_NUM,
                                   "Primary timestamp column can not be null");
  }

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  return addOrderByPrimaryKeyToQuery(pCxt, pPrimaryKeyExpr, pInsert->pQuery);
}

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static int32_t translateInsertTable(STranslateContext* pCxt, SNode* pTable) {
  int32_t code = translateFrom(pCxt, pTable);
  if (TSDB_CODE_SUCCESS == code && TSDB_CHILD_TABLE != ((SRealTableNode*)pTable)->pMeta->tableType &&
      TSDB_NORMAL_TABLE != ((SRealTableNode*)pTable)->pMeta->tableType) {
    code = generateSyntaxErrMsgExt(&pCxt->msgBuf, TSDB_CODE_PAR_SYNTAX_ERROR,
                                   "insert data into super table is not supported");
  }
  return code;
}

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static int32_t translateInsert(STranslateContext* pCxt, SInsertStmt* pInsert) {
  pCxt->pCurrStmt = (SNode*)pInsert;
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  int32_t code = translateInsertTable(pCxt, pInsert->pTable);
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  if (TSDB_CODE_SUCCESS == code) {
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    code = translateInsertCols(pCxt, pInsert);
4013
  }
4014
  if (TSDB_CODE_SUCCESS == code) {
4015
    code = translateInsertQuery(pCxt, pInsert);
4016
  }
4017
  if (TSDB_CODE_SUCCESS == code) {
4018
    code = translateInsertProject(pCxt, pInsert);
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  }
  return code;
}

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static int64_t getUnitPerMinute(uint8_t precision) {
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  switch (precision) {
    case TSDB_TIME_PRECISION_MILLI:
      return MILLISECOND_PER_MINUTE;
    case TSDB_TIME_PRECISION_MICRO:
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      return MILLISECOND_PER_MINUTE * 1000LL;
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    case TSDB_TIME_PRECISION_NANO:
      return NANOSECOND_PER_MINUTE;
    default:
      break;
  }
  return MILLISECOND_PER_MINUTE;
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}

static int64_t getBigintFromValueNode(SValueNode* pVal) {
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  if (pVal->isDuration) {
    return pVal->datum.i / getUnitPerMinute(pVal->node.resType.precision);
  }
  return pVal->datum.i;
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}

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static int32_t buildCreateDbRetentions(const SNodeList* pRetentions, SCreateDbReq* pReq) {
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  if (NULL != pRetentions) {
    pReq->pRetensions = taosArrayInit(LIST_LENGTH(pRetentions), sizeof(SRetention));
    if (NULL == pReq->pRetensions) {
      return TSDB_CODE_OUT_OF_MEMORY;
    }
    SValueNode* pFreq = NULL;
    SValueNode* pKeep = NULL;
    SNode*      pNode = NULL;
    int32_t     index = 0;
    FOREACH(pNode, pRetentions) {
      pFreq = (SValueNode*)nodesListGetNode(((SNodeListNode*)pNode)->pNodeList, 0);
      pKeep = (SValueNode*)nodesListGetNode(((SNodeListNode*)pNode)->pNodeList, 1);
      SRetention retention = {
          .freq = pFreq->datum.i, .freqUnit = pFreq->unit, .keep = pKeep->datum.i, .keepUnit = pKeep->unit};
      taosArrayPush(pReq->pRetensions, &retention);
    }
    pReq->numOfRetensions = taosArrayGetSize(pReq->pRetensions);
  }
  return TSDB_CODE_SUCCESS;
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}

static int32_t buildCreateDbReq(STranslateContext* pCxt, SCreateDatabaseStmt* pStmt, SCreateDbReq* pReq) {
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  SName name = {0};
  tNameSetDbName(&name, pCxt->pParseCxt->acctId, pStmt->dbName, strlen(pStmt->dbName));
  tNameGetFullDbName(&name, pReq->db);
  pReq->numOfVgroups = pStmt->pOptions->numOfVgroups;
  pReq->numOfStables = pStmt->pOptions->singleStable;
  pReq->buffer = pStmt->pOptions->buffer;
  pReq->pageSize = pStmt->pOptions->pagesize;
  pReq->pages = pStmt->pOptions->pages;
  pReq->daysPerFile = pStmt->pOptions->daysPerFile;
  pReq->daysToKeep0 = pStmt->pOptions->keep[0];
  pReq->daysToKeep1 = pStmt->pOptions->keep[1];
  pReq->daysToKeep2 = pStmt->pOptions->keep[2];
  pReq->minRows = pStmt->pOptions->minRowsPerBlock;
  pReq->maxRows = pStmt->pOptions->maxRowsPerBlock;
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  pReq->walFsyncPeriod = pStmt->pOptions->fsyncPeriod;
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  pReq->walLevel = pStmt->pOptions->walLevel;
  pReq->precision = pStmt->pOptions->precision;
  pReq->compression = pStmt->pOptions->compressionLevel;
  pReq->replications = pStmt->pOptions->replica;
  pReq->strict = pStmt->pOptions->strict;
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  pReq->cacheLast = pStmt->pOptions->cacheModel;
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  pReq->cacheLastSize = pStmt->pOptions->cacheLastSize;
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  pReq->schemaless = pStmt->pOptions->schemaless;
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  pReq->walRetentionPeriod = pStmt->pOptions->walRetentionPeriod;
  pReq->walRetentionSize = pStmt->pOptions->walRetentionSize;
  pReq->walRollPeriod = pStmt->pOptions->walRollPeriod;
  pReq->walSegmentSize = pStmt->pOptions->walSegmentSize;
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  pReq->sstTrigger = pStmt->pOptions->sstTrigger;
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  pReq->hashPrefix = pStmt->pOptions->tablePrefix;
  pReq->hashSuffix = pStmt->pOptions->tableSuffix;
4097
  pReq->tsdbPageSize = pStmt->pOptions->tsdbPageSize;
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  pReq->ignoreExist = pStmt->ignoreExists;
  return buildCreateDbRetentions(pStmt->pOptions->pRetentions, pReq);
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}

4102 4103
static int32_t checkRangeOption(STranslateContext* pCxt, int32_t code, const char* pName, int64_t val, int64_t minVal,
                                int64_t maxVal) {
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  if (val >= 0 && (val < minVal || val > maxVal)) {
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    return generateSyntaxErrMsgExt(&pCxt->msgBuf, code,
                                   "Invalid option %s: %" PRId64 " valid range: [%" PRId64 ", %" PRId64 "]", pName, val,
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                                   minVal, maxVal);
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  }
  return TSDB_CODE_SUCCESS;
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}

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static int32_t checkDbRangeOption(STranslateContext* pCxt, const char* pName, int32_t val, int32_t minVal,
                                  int32_t maxVal) {
  return checkRangeOption(pCxt, TSDB_CODE_PAR_INVALID_DB_OPTION, pName, val, minVal, maxVal);
}

4117 4118
static int32_t checkTableRangeOption(STranslateContext* pCxt, const char* pName, int64_t val, int64_t minVal,
                                     int64_t maxVal) {
4119 4120 4121
  return checkRangeOption(pCxt, TSDB_CODE_PAR_INVALID_TABLE_OPTION, pName, val, minVal, maxVal);
}

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static int32_t checkDbDaysOption(STranslateContext* pCxt, SDatabaseOptions* pOptions) {
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  if (NULL != pOptions->pDaysPerFile) {
    if (DEAL_RES_ERROR == translateValue(pCxt, pOptions->pDaysPerFile)) {
      return pCxt->errCode;
    }
    if (TIME_UNIT_MINUTE != pOptions->pDaysPerFile->unit && TIME_UNIT_HOUR != pOptions->pDaysPerFile->unit &&
        TIME_UNIT_DAY != pOptions->pDaysPerFile->unit) {
4129 4130 4131
      return generateSyntaxErrMsgExt(&pCxt->msgBuf, TSDB_CODE_PAR_INVALID_DB_OPTION,
                                     "Invalid option duration unit: %c, only %c, %c, %c allowed",
                                     pOptions->pDaysPerFile->unit, TIME_UNIT_MINUTE, TIME_UNIT_HOUR, TIME_UNIT_DAY);
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    }
    pOptions->daysPerFile = getBigintFromValueNode(pOptions->pDaysPerFile);
  }
4135
  return checkDbRangeOption(pCxt, "daysPerFile", pOptions->daysPerFile, TSDB_MIN_DAYS_PER_FILE, TSDB_MAX_DAYS_PER_FILE);
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}

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static int32_t checkDbKeepOption(STranslateContext* pCxt, SDatabaseOptions* pOptions) {
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  if (NULL == pOptions->pKeep) {
    return TSDB_CODE_SUCCESS;
  }

  int32_t numOfKeep = LIST_LENGTH(pOptions->pKeep);
  if (numOfKeep > 3 || numOfKeep < 1) {
4145
    return generateSyntaxErrMsgExt(&pCxt->msgBuf, TSDB_CODE_PAR_INVALID_DB_OPTION, "Invalid number of keep options");
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  }

  SNode* pNode = NULL;
  FOREACH(pNode, pOptions->pKeep) {
    SValueNode* pVal = (SValueNode*)pNode;
    if (DEAL_RES_ERROR == translateValue(pCxt, pVal)) {
      return pCxt->errCode;
    }
    if (pVal->isDuration && TIME_UNIT_MINUTE != pVal->unit && TIME_UNIT_HOUR != pVal->unit &&
        TIME_UNIT_DAY != pVal->unit) {
4156 4157
      return generateSyntaxErrMsgExt(&pCxt->msgBuf, TSDB_CODE_PAR_INVALID_DB_OPTION,
                                     "Invalid option keep unit: %c, only m, h, d allowed", pVal->unit);
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    }
    if (!pVal->isDuration) {
      pVal->datum.i = pVal->datum.i * 1440;
    }
  }

  pOptions->keep[0] = getBigintFromValueNode((SValueNode*)nodesListGetNode(pOptions->pKeep, 0));

  if (numOfKeep < 2) {
    pOptions->keep[1] = pOptions->keep[0];
  } else {
    pOptions->keep[1] = getBigintFromValueNode((SValueNode*)nodesListGetNode(pOptions->pKeep, 1));
  }
  if (numOfKeep < 3) {
    pOptions->keep[2] = pOptions->keep[1];
  } else {
    pOptions->keep[2] = getBigintFromValueNode((SValueNode*)nodesListGetNode(pOptions->pKeep, 2));
  }

4177 4178
  int64_t tsdbMaxKeep = TSDB_MAX_KEEP;
  if (pOptions->precision == TSDB_TIME_PRECISION_NANO) {
4179
    tsdbMaxKeep = TSDB_MAX_KEEP_NS;
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  }

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  if (pOptions->keep[0] < TSDB_MIN_KEEP || pOptions->keep[1] < TSDB_MIN_KEEP || pOptions->keep[2] < TSDB_MIN_KEEP ||
4183
      pOptions->keep[0] > tsdbMaxKeep || pOptions->keep[1] > tsdbMaxKeep || pOptions->keep[2] > tsdbMaxKeep) {
4184
    return generateSyntaxErrMsgExt(&pCxt->msgBuf, TSDB_CODE_PAR_INVALID_DB_OPTION,
4185 4186
                                   "Invalid option keep: %" PRId64 ", %" PRId64 ", %" PRId64
                                   " valid range: [%dm, %" PRId64 "m]",
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                                   pOptions->keep[0], pOptions->keep[1], pOptions->keep[2], TSDB_MIN_KEEP, tsdbMaxKeep);
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  }

  if (!((pOptions->keep[0] <= pOptions->keep[1]) && (pOptions->keep[1] <= pOptions->keep[2]))) {
4191 4192
    return generateSyntaxErrMsgExt(&pCxt->msgBuf, TSDB_CODE_PAR_INVALID_DB_OPTION,
                                   "Invalid keep value, should be keep0 <= keep1 <= keep2");
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  }

  return TSDB_CODE_SUCCESS;
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}

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static int32_t checkDbCacheModelOption(STranslateContext* pCxt, SDatabaseOptions* pOptions) {
  if ('\0' != pOptions->cacheModelStr[0]) {
    if (0 == strcasecmp(pOptions->cacheModelStr, TSDB_CACHE_MODEL_NONE_STR)) {
      pOptions->cacheModel = TSDB_CACHE_MODEL_NONE;
    } else if (0 == strcasecmp(pOptions->cacheModelStr, TSDB_CACHE_MODEL_LAST_ROW_STR)) {
      pOptions->cacheModel = TSDB_CACHE_MODEL_LAST_ROW;
    } else if (0 == strcasecmp(pOptions->cacheModelStr, TSDB_CACHE_MODEL_LAST_VALUE_STR)) {
      pOptions->cacheModel = TSDB_CACHE_MODEL_LAST_VALUE;
    } else if (0 == strcasecmp(pOptions->cacheModelStr, TSDB_CACHE_MODEL_BOTH_STR)) {
      pOptions->cacheModel = TSDB_CACHE_MODEL_BOTH;
    } else {
4209 4210
      return generateSyntaxErrMsgExt(&pCxt->msgBuf, TSDB_CODE_PAR_INVALID_DB_OPTION, "Invalid option cacheModel: %s",
                                     pOptions->cacheModelStr);
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    }
  }
  return TSDB_CODE_SUCCESS;
}

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static int32_t checkDbPrecisionOption(STranslateContext* pCxt, SDatabaseOptions* pOptions) {
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  if ('\0' != pOptions->precisionStr[0]) {
4218
    if (0 == strcasecmp(pOptions->precisionStr, TSDB_TIME_PRECISION_MILLI_STR)) {
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      pOptions->precision = TSDB_TIME_PRECISION_MILLI;
4220
    } else if (0 == strcasecmp(pOptions->precisionStr, TSDB_TIME_PRECISION_MICRO_STR)) {
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      pOptions->precision = TSDB_TIME_PRECISION_MICRO;
4222
    } else if (0 == strcasecmp(pOptions->precisionStr, TSDB_TIME_PRECISION_NANO_STR)) {
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      pOptions->precision = TSDB_TIME_PRECISION_NANO;
    } else {
4225 4226
      return generateSyntaxErrMsgExt(&pCxt->msgBuf, TSDB_CODE_PAR_INVALID_DB_OPTION, "Invalid option precision: %s",
                                     pOptions->precisionStr);
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    }
  }
  return TSDB_CODE_SUCCESS;
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}
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static int32_t checkDbStrictOption(STranslateContext* pCxt, SDatabaseOptions* pOptions) {
  if ('\0' != pOptions->strictStr[0]) {
    if (0 == strcasecmp(pOptions->strictStr, TSDB_DB_STRICT_OFF_STR)) {
      pOptions->strict = TSDB_DB_STRICT_OFF;
    } else if (0 == strcasecmp(pOptions->strictStr, TSDB_DB_STRICT_ON_STR)) {
      pOptions->strict = TSDB_DB_STRICT_ON;
    } else {
4239 4240
      return generateSyntaxErrMsgExt(&pCxt->msgBuf, TSDB_CODE_PAR_INVALID_DB_OPTION, "Invalid option strict: %s",
                                     pOptions->strictStr);
4241 4242 4243 4244 4245
    }
  }
  return TSDB_CODE_SUCCESS;
}

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static int32_t checkDbEnumOption(STranslateContext* pCxt, const char* pName, int32_t val, int32_t v1, int32_t v2) {
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  if (val >= 0 && val != v1 && val != v2) {
4248
    return generateSyntaxErrMsgExt(&pCxt->msgBuf, TSDB_CODE_PAR_INVALID_DB_OPTION,
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                                   "Invalid option %s: %d, only %d, %d allowed", pName, val, v1, v2);
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  }
  return TSDB_CODE_SUCCESS;
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}

static int32_t checkDbRetentionsOption(STranslateContext* pCxt, SNodeList* pRetentions) {
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  if (NULL == pRetentions) {
    return TSDB_CODE_SUCCESS;
  }
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  if (LIST_LENGTH(pRetentions) > 3) {
4260
    return generateSyntaxErrMsgExt(&pCxt->msgBuf, TSDB_CODE_PAR_INVALID_DB_OPTION, "Invalid option retentions");
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  }
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  SValueNode* pPrevFreq = NULL;
  SValueNode* pPrevKeep = NULL;
  SNode*      pRetention = NULL;
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  FOREACH(pRetention, pRetentions) {
    SNode* pNode = NULL;
    FOREACH(pNode, ((SNodeListNode*)pRetention)->pNodeList) {
      SValueNode* pVal = (SValueNode*)pNode;
      if (DEAL_RES_ERROR == translateValue(pCxt, pVal)) {
        return pCxt->errCode;
      }
    }
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    SValueNode* pFreq = (SValueNode*)nodesListGetNode(((SNodeListNode*)pRetention)->pNodeList, 0);
    SValueNode* pKeep = (SValueNode*)nodesListGetNode(((SNodeListNode*)pRetention)->pNodeList, 1);
    if (pFreq->datum.i <= 0 || 'n' == pFreq->unit || 'y' == pFreq->unit || pFreq->datum.i >= pKeep->datum.i ||
        (NULL != pPrevFreq && pPrevFreq->datum.i >= pFreq->datum.i) ||
        (NULL != pPrevKeep && pPrevKeep->datum.i > pKeep->datum.i)) {
4280
      return generateSyntaxErrMsgExt(&pCxt->msgBuf, TSDB_CODE_PAR_INVALID_DB_OPTION, "Invalid option retentions");
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    }
    pPrevFreq = pFreq;
    pPrevKeep = pKeep;
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  }
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  return TSDB_CODE_SUCCESS;
4287 4288
}

4289 4290 4291
static int32_t checkDbTbPrefixSuffixOptions(STranslateContext* pCxt, int32_t tbPrefix, int32_t tbSuffix) {
  if (tbPrefix < TSDB_MIN_HASH_PREFIX || tbPrefix > TSDB_MAX_HASH_PREFIX) {
    return generateSyntaxErrMsgExt(&pCxt->msgBuf, TSDB_CODE_PAR_INVALID_DB_OPTION,
4292
                                   "Invalid option table_prefix: %d valid range: [%d, %d]", tbPrefix,
4293 4294 4295 4296 4297
                                   TSDB_MIN_HASH_PREFIX, TSDB_MAX_HASH_PREFIX);
  }

  if (tbSuffix < TSDB_MIN_HASH_SUFFIX || tbSuffix > TSDB_MAX_HASH_SUFFIX) {
    return generateSyntaxErrMsgExt(&pCxt->msgBuf, TSDB_CODE_PAR_INVALID_DB_OPTION,
4298
                                   "Invalid option table_suffix: %d valid range: [%d, %d]", tbSuffix,
4299 4300 4301 4302 4303 4304 4305 4306 4307 4308 4309 4310 4311 4312 4313 4314
                                   TSDB_MIN_HASH_SUFFIX, TSDB_MAX_HASH_SUFFIX);
  }

  if ((tbPrefix * tbSuffix) < 0) {
    return generateSyntaxErrMsgExt(&pCxt->msgBuf, TSDB_CODE_PAR_INVALID_DB_OPTION,
                                   "Invalid option table_prefix & table_suffix: mixed usage not allowed");
  }

  if ((tbPrefix + tbSuffix) >= (TSDB_TABLE_NAME_LEN - 1)) {
    return generateSyntaxErrMsgExt(&pCxt->msgBuf, TSDB_CODE_PAR_INVALID_DB_OPTION,
                                   "Invalid option table_prefix & table_suffix: exceed max table name length");
  }

  return TSDB_CODE_SUCCESS;
}

4315
static int32_t checkOptionsDependency(STranslateContext* pCxt, const char* pDbName, SDatabaseOptions* pOptions) {
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  int32_t daysPerFile = pOptions->daysPerFile;
4317
  int64_t daysToKeep0 = pOptions->keep[0];
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  if (-1 == daysPerFile && -1 == daysToKeep0) {
    return TSDB_CODE_SUCCESS;
  } else if (-1 == daysPerFile || -1 == daysToKeep0) {
4321
    SDbCfgInfo dbCfg = {0};
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    int32_t    code = getDBCfg(pCxt, pDbName, &dbCfg);
    if (TSDB_CODE_SUCCESS != code) {
      return code;
    }
    daysPerFile = (-1 == daysPerFile ? dbCfg.daysPerFile : daysPerFile);
    daysToKeep0 = (-1 == daysToKeep0 ? dbCfg.daysToKeep0 : daysToKeep0);
  }
  if (daysPerFile > daysToKeep0) {
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    return generateSyntaxErrMsgExt(&pCxt->msgBuf, TSDB_CODE_PAR_INVALID_DB_OPTION,
                                   "Invalid duration value, should be keep2 >= keep1 >= keep0 >= duration");
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  }
  return TSDB_CODE_SUCCESS;
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}

4336
static int32_t checkDatabaseOptions(STranslateContext* pCxt, const char* pDbName, SDatabaseOptions* pOptions) {
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  int32_t code =
4338
      checkDbRangeOption(pCxt, "buffer", pOptions->buffer, TSDB_MIN_BUFFER_PER_VNODE, TSDB_MAX_BUFFER_PER_VNODE);
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  if (TSDB_CODE_SUCCESS == code) {
4340
    code = checkDbCacheModelOption(pCxt, pOptions);
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  }
4342
  if (TSDB_CODE_SUCCESS == code) {
4343 4344
    code =
        checkDbRangeOption(pCxt, "cacheSize", pOptions->cacheLastSize, TSDB_MIN_DB_CACHE_SIZE, TSDB_MAX_DB_CACHE_SIZE);
4345
  }
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  if (TSDB_CODE_SUCCESS == code) {
4347 4348
    code =
        checkDbRangeOption(pCxt, "compression", pOptions->compressionLevel, TSDB_MIN_COMP_LEVEL, TSDB_MAX_COMP_LEVEL);
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  }
  if (TSDB_CODE_SUCCESS == code) {
    code = checkDbDaysOption(pCxt, pOptions);
  }
  if (TSDB_CODE_SUCCESS == code) {
4354
    code = checkDbRangeOption(pCxt, "fsyncPeriod", pOptions->fsyncPeriod, TSDB_MIN_FSYNC_PERIOD, TSDB_MAX_FSYNC_PERIOD);
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  }
  if (TSDB_CODE_SUCCESS == code) {
4357 4358
    code = checkDbRangeOption(pCxt, "maxRowsPerBlock", pOptions->maxRowsPerBlock, TSDB_MIN_MAXROWS_FBLOCK,
                              TSDB_MAX_MAXROWS_FBLOCK);
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  }
  if (TSDB_CODE_SUCCESS == code) {
4361 4362
    code = checkDbRangeOption(pCxt, "minRowsPerBlock", pOptions->minRowsPerBlock, TSDB_MIN_MINROWS_FBLOCK,
                              TSDB_MAX_MINROWS_FBLOCK);
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  }
  if (TSDB_CODE_SUCCESS == code) {
4365 4366 4367
    code = checkDbPrecisionOption(pCxt, pOptions);
  }
  if (TSDB_CODE_SUCCESS == code) {
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    code = checkDbKeepOption(pCxt, pOptions);  // use precision
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  }
  if (TSDB_CODE_SUCCESS == code) {
4371
    code = checkDbRangeOption(pCxt, "pages", pOptions->pages, TSDB_MIN_PAGES_PER_VNODE, TSDB_MAX_PAGES_PER_VNODE);
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  }
  if (TSDB_CODE_SUCCESS == code) {
4374 4375
    code = checkDbRangeOption(pCxt, "pagesize", pOptions->pagesize, TSDB_MIN_PAGESIZE_PER_VNODE,
                              TSDB_MAX_PAGESIZE_PER_VNODE);
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  }
4377 4378 4379 4380
  if (TSDB_CODE_SUCCESS == code) {
    code = checkDbRangeOption(pCxt, "tsdbPagesize", pOptions->tsdbPageSize, TSDB_MIN_TSDB_PAGESIZE,
                              TSDB_MAX_TSDB_PAGESIZE);
  }
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  if (TSDB_CODE_SUCCESS == code) {
    code = checkDbEnumOption(pCxt, "replications", pOptions->replica, TSDB_MIN_DB_REPLICA, TSDB_MAX_DB_REPLICA);
  }
  if (TSDB_CODE_SUCCESS == code) {
4385
    code = checkDbStrictOption(pCxt, pOptions);
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  }
  if (TSDB_CODE_SUCCESS == code) {
    code = checkDbEnumOption(pCxt, "walLevel", pOptions->walLevel, TSDB_MIN_WAL_LEVEL, TSDB_MAX_WAL_LEVEL);
  }
  if (TSDB_CODE_SUCCESS == code) {
4391
    code = checkDbRangeOption(pCxt, "vgroups", pOptions->numOfVgroups, TSDB_MIN_VNODES_PER_DB, TSDB_MAX_VNODES_PER_DB);
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  }
  if (TSDB_CODE_SUCCESS == code) {
    code = checkDbEnumOption(pCxt, "singleStable", pOptions->singleStable, TSDB_DB_SINGLE_STABLE_ON,
                             TSDB_DB_SINGLE_STABLE_OFF);
  }
  if (TSDB_CODE_SUCCESS == code) {
    code = checkDbRetentionsOption(pCxt, pOptions->pRetentions);
  }
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  if (TSDB_CODE_SUCCESS == code) {
    code = checkDbEnumOption(pCxt, "schemaless", pOptions->schemaless, TSDB_DB_SCHEMALESS_ON, TSDB_DB_SCHEMALESS_OFF);
  }
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  if (TSDB_CODE_SUCCESS == code) {
    code = checkDbRangeOption(pCxt, "walRetentionPeriod", pOptions->walRetentionPeriod,
                              TSDB_DB_MIN_WAL_RETENTION_PERIOD, INT32_MAX);
  }
  if (TSDB_CODE_SUCCESS == code) {
    code = checkDbRangeOption(pCxt, "walRetentionSize", pOptions->walRetentionSize, TSDB_DB_MIN_WAL_RETENTION_SIZE,
                              INT32_MAX);
  }
  if (TSDB_CODE_SUCCESS == code) {
    code = checkDbRangeOption(pCxt, "walRollPeriod", pOptions->walRollPeriod, TSDB_DB_MIN_WAL_ROLL_PERIOD, INT32_MAX);
  }
  if (TSDB_CODE_SUCCESS == code) {
    code =
        checkDbRangeOption(pCxt, "walSegmentSize", pOptions->walSegmentSize, TSDB_DB_MIN_WAL_SEGMENT_SIZE, INT32_MAX);
  }
4418
  if (TSDB_CODE_SUCCESS == code) {
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    code = checkDbRangeOption(pCxt, "sstTrigger", pOptions->sstTrigger, TSDB_MIN_STT_TRIGGER, TSDB_MAX_STT_TRIGGER);
4420
  }
4421
  if (TSDB_CODE_SUCCESS == code) {
4422
    code = checkDbTbPrefixSuffixOptions(pCxt, pOptions->tablePrefix, pOptions->tableSuffix);
4423
  }
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  if (TSDB_CODE_SUCCESS == code) {
    code = checkOptionsDependency(pCxt, pDbName, pOptions);
  }
  return code;
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}

static int32_t checkCreateDatabase(STranslateContext* pCxt, SCreateDatabaseStmt* pStmt) {
4431 4432 4433 4434
  if (NULL != strchr(pStmt->dbName, '.')) {
    return generateSyntaxErrMsgExt(&pCxt->msgBuf, TSDB_CODE_PAR_INVALID_IDENTIFIER_NAME,
                                   "The database name cannot contain '.'");
  }
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  return checkDatabaseOptions(pCxt, pStmt->dbName, pStmt->pOptions);
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}

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typedef int32_t (*FSerializeFunc)(void* pBuf, int32_t bufLen, void* pReq);
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static int32_t buildCmdMsg(STranslateContext* pCxt, int16_t msgType, FSerializeFunc func, void* pReq) {
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  pCxt->pCmdMsg = taosMemoryMalloc(sizeof(SCmdMsgInfo));
  if (NULL == pCxt->pCmdMsg) {
    return TSDB_CODE_OUT_OF_MEMORY;
  }
  pCxt->pCmdMsg->epSet = pCxt->pParseCxt->mgmtEpSet;
  pCxt->pCmdMsg->msgType = msgType;
  pCxt->pCmdMsg->msgLen = func(NULL, 0, pReq);
  pCxt->pCmdMsg->pMsg = taosMemoryMalloc(pCxt->pCmdMsg->msgLen);
  if (NULL == pCxt->pCmdMsg->pMsg) {
    return TSDB_CODE_OUT_OF_MEMORY;
  }
  func(pCxt->pCmdMsg->pMsg, pCxt->pCmdMsg->msgLen, pReq);

  return TSDB_CODE_SUCCESS;
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}

4457
static int32_t translateCreateDatabase(STranslateContext* pCxt, SCreateDatabaseStmt* pStmt) {
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  SCreateDbReq createReq = {0};
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  int32_t      code = checkCreateDatabase(pCxt, pStmt);
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  if (TSDB_CODE_SUCCESS == code) {
    code = buildCreateDbReq(pCxt, pStmt, &createReq);
  }
  if (TSDB_CODE_SUCCESS == code) {
    code = buildCmdMsg(pCxt, TDMT_MND_CREATE_DB, (FSerializeFunc)tSerializeSCreateDbReq, &createReq);
  }
4466
  tFreeSCreateDbReq(&createReq);
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  return code;
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}

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static int32_t translateDropDatabase(STranslateContext* pCxt, SDropDatabaseStmt* pStmt) {
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  SDropDbReq dropReq = {0};
  SName      name = {0};
  tNameSetDbName(&name, pCxt->pParseCxt->acctId, pStmt->dbName, strlen(pStmt->dbName));
  tNameGetFullDbName(&name, dropReq.db);
  dropReq.ignoreNotExists = pStmt->ignoreNotExists;
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  return buildCmdMsg(pCxt, TDMT_MND_DROP_DB, (FSerializeFunc)tSerializeSDropDbReq, &dropReq);
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}

4480
static void buildAlterDbReq(STranslateContext* pCxt, SAlterDatabaseStmt* pStmt, SAlterDbReq* pReq) {
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  SName name = {0};
  tNameSetDbName(&name, pCxt->pParseCxt->acctId, pStmt->dbName, strlen(pStmt->dbName));
  tNameGetFullDbName(&name, pReq->db);
  pReq->buffer = pStmt->pOptions->buffer;
  pReq->pageSize = -1;
  pReq->pages = pStmt->pOptions->pages;
  pReq->daysPerFile = -1;
  pReq->daysToKeep0 = pStmt->pOptions->keep[0];
  pReq->daysToKeep1 = pStmt->pOptions->keep[1];
  pReq->daysToKeep2 = pStmt->pOptions->keep[2];
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  pReq->walFsyncPeriod = pStmt->pOptions->fsyncPeriod;
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  pReq->walLevel = pStmt->pOptions->walLevel;
  pReq->strict = pStmt->pOptions->strict;
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  pReq->cacheLast = pStmt->pOptions->cacheModel;
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  pReq->cacheLastSize = pStmt->pOptions->cacheLastSize;
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  pReq->replications = pStmt->pOptions->replica;
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  pReq->sstTrigger = pStmt->pOptions->sstTrigger;
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  pReq->minRows = pStmt->pOptions->minRowsPerBlock;
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  pReq->walRetentionPeriod = pStmt->pOptions->walRetentionPeriod;
  pReq->walRetentionSize = pStmt->pOptions->walRetentionSize;
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  return;
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}

static int32_t translateAlterDatabase(STranslateContext* pCxt, SAlterDatabaseStmt* pStmt) {
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  int32_t code = checkDatabaseOptions(pCxt, pStmt->dbName, pStmt->pOptions);
  if (TSDB_CODE_SUCCESS != code) {
    return code;
  }
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  SAlterDbReq alterReq = {0};
  buildAlterDbReq(pCxt, pStmt, &alterReq);
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  return buildCmdMsg(pCxt, TDMT_MND_ALTER_DB, (FSerializeFunc)tSerializeSAlterDbReq, &alterReq);
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}

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static int32_t translateTrimDatabase(STranslateContext* pCxt, STrimDatabaseStmt* pStmt) {
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  STrimDbReq req = {.maxSpeed = pStmt->maxSpeed};
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  SName      name = {0};
  tNameSetDbName(&name, pCxt->pParseCxt->acctId, pStmt->dbName, strlen(pStmt->dbName));
  tNameGetFullDbName(&name, req.db);
  return buildCmdMsg(pCxt, TDMT_MND_TRIM_DB, (FSerializeFunc)tSerializeSTrimDbReq, &req);
}

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static int32_t columnDefNodeToField(SNodeList* pList, SArray** pArray) {
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  *pArray = taosArrayInit(LIST_LENGTH(pList), sizeof(SField));
  SNode* pNode;
  FOREACH(pNode, pList) {
    SColumnDefNode* pCol = (SColumnDefNode*)pNode;
    SField          field = {.type = pCol->dataType.type, .bytes = calcTypeBytes(pCol->dataType)};
    strcpy(field.name, pCol->colName);
    if (pCol->sma) {
      field.flags |= COL_SMA_ON;
    }
    taosArrayPush(*pArray, &field);
  }
  return TSDB_CODE_SUCCESS;
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}

4539
static SColumnDefNode* findColDef(SNodeList* pCols, const SColumnNode* pCol) {
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  SNode* pColDef = NULL;
  FOREACH(pColDef, pCols) {
    if (0 == strcmp(pCol->colName, ((SColumnDefNode*)pColDef)->colName)) {
      return (SColumnDefNode*)pColDef;
    }
  }
  return NULL;
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}

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static int32_t checkTableSmaOption(STranslateContext* pCxt, SCreateTableStmt* pStmt) {
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  if (NULL != pStmt->pOptions->pSma) {
    SNode* pNode = NULL;
    FOREACH(pNode, pStmt->pCols) { ((SColumnDefNode*)pNode)->sma = false; }
    FOREACH(pNode, pStmt->pOptions->pSma) {
      SColumnNode*    pSmaCol = (SColumnNode*)pNode;
      SColumnDefNode* pColDef = findColDef(pStmt->pCols, pSmaCol);
      if (NULL == pColDef) {
        return generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_INVALID_COLUMN, pSmaCol->colName);
      }
      pSmaCol->node.resType = pColDef->dataType;
      pColDef->sma = true;
    }
  }
  return TSDB_CODE_SUCCESS;
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}

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static bool validRollupFunc(const char* pFunc) {
  static const char*   rollupFuncs[] = {"avg", "sum", "min", "max", "last", "first"};
  static const int32_t numOfRollupFuncs = (sizeof(rollupFuncs) / sizeof(char*));
  for (int i = 0; i < numOfRollupFuncs; ++i) {
    if (0 == strcmp(rollupFuncs[i], pFunc)) {
      return true;
    }
  }
  return false;
}

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static int32_t checkTableRollupOption(STranslateContext* pCxt, SNodeList* pFuncs, bool createStable,
                                      SDbCfgInfo* pDbCfg) {
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  if (NULL == pFuncs) {
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    if (NULL != pDbCfg->pRetensions) {
      return generateSyntaxErrMsgExt(&pCxt->msgBuf, TSDB_CODE_PAR_INVALID_TABLE_OPTION,
4582
                                     "To create a super table in databases configured with the 'RETENTIONS' option, "
4583 4584
                                     "the 'ROLLUP' option must be present");
    }
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    return TSDB_CODE_SUCCESS;
  }
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  if (!createStable || NULL == pDbCfg->pRetensions) {
    return generateSyntaxErrMsgExt(&pCxt->msgBuf, TSDB_CODE_PAR_INVALID_TABLE_OPTION,
                                   "Invalid option rollup: Only supported for create super table in databases "
                                   "configured with the 'RETENTIONS' option");
  }
  if (1 != LIST_LENGTH(pFuncs)) {
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    return generateSyntaxErrMsgExt(&pCxt->msgBuf, TSDB_CODE_PAR_INVALID_TABLE_OPTION,
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                                   "Invalid option rollup: only one function is allowed");
  }
  const char* pFunc = ((SFunctionNode*)nodesListGetNode(pFuncs, 0))->functionName;
  if (!validRollupFunc(pFunc)) {
4599
    return generateSyntaxErrMsgExt(&pCxt->msgBuf, TSDB_CODE_PAR_INVALID_TABLE_OPTION,
4600
                                   "Invalid option rollup: %s function is not supported", pFunc);
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  }
  return TSDB_CODE_SUCCESS;
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}

4605
static int32_t checkTableTagsSchema(STranslateContext* pCxt, SHashObj* pHash, SNodeList* pTags) {
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  int32_t ntags = LIST_LENGTH(pTags);
  if (0 == ntags) {
    return TSDB_CODE_SUCCESS;
  } else if (ntags > TSDB_MAX_TAGS) {
    return generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_INVALID_TAGS_NUM);
  }

  int32_t code = TSDB_CODE_SUCCESS;
  int32_t tagsSize = 0;
  SNode*  pNode = NULL;
  FOREACH(pNode, pTags) {
    SColumnDefNode* pTag = (SColumnDefNode*)pNode;
    int32_t         len = strlen(pTag->colName);
    if (NULL != taosHashGet(pHash, pTag->colName, len)) {
      code = generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_DUPLICATED_COLUMN);
    }
    if (TSDB_CODE_SUCCESS == code && pTag->dataType.type == TSDB_DATA_TYPE_JSON && ntags > 1) {
      code = generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_ONLY_ONE_JSON_TAG);
    }
    if (TSDB_CODE_SUCCESS == code) {
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      if ((TSDB_DATA_TYPE_VARCHAR == pTag->dataType.type && calcTypeBytes(pTag->dataType) > TSDB_MAX_TAGS_LEN) ||
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          (TSDB_DATA_TYPE_NCHAR == pTag->dataType.type && calcTypeBytes(pTag->dataType) > TSDB_MAX_TAGS_LEN) ||
          (TSDB_DATA_TYPE_GEOMETRY == pTag->dataType.type && calcTypeBytes(pTag->dataType) > TSDB_MAX_TAGS_LEN)) {
4629
        code = generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_INVALID_VAR_COLUMN_LEN);
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      }
    }
    if (TSDB_CODE_SUCCESS == code) {
      code = taosHashPut(pHash, pTag->colName, len, &pTag, POINTER_BYTES);
    }
    if (TSDB_CODE_SUCCESS == code) {
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      tagsSize += calcTypeBytes(pTag->dataType);
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    } else {
      break;
    }
  }

  if (TSDB_CODE_SUCCESS == code && tagsSize > TSDB_MAX_TAGS_LEN) {
    code = generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_INVALID_TAGS_LENGTH, TSDB_MAX_TAGS_LEN);
  }

  return code;
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}

4649
static int32_t checkTableColsSchema(STranslateContext* pCxt, SHashObj* pHash, int32_t ntags, SNodeList* pCols) {
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  int32_t ncols = LIST_LENGTH(pCols);
  if (ncols < TSDB_MIN_COLUMNS) {
    return generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_INVALID_COLUMNS_NUM);
4653
  } else if (ncols + ntags > TSDB_MAX_COLUMNS) {
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    return generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_TOO_MANY_COLUMNS);
  }

  int32_t code = TSDB_CODE_SUCCESS;

  bool    first = true;
  int32_t rowSize = 0;
  SNode*  pNode = NULL;
  FOREACH(pNode, pCols) {
    SColumnDefNode* pCol = (SColumnDefNode*)pNode;
    if (first) {
      first = false;
      if (TSDB_DATA_TYPE_TIMESTAMP != pCol->dataType.type) {
        code = generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_INVALID_FIRST_COLUMN);
      }
    }
    if (TSDB_CODE_SUCCESS == code && pCol->dataType.type == TSDB_DATA_TYPE_JSON) {
      code = generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_INVALID_COL_JSON);
    }
    int32_t len = strlen(pCol->colName);
    if (TSDB_CODE_SUCCESS == code && NULL != taosHashGet(pHash, pCol->colName, len)) {
      code = generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_DUPLICATED_COLUMN);
    }
    if (TSDB_CODE_SUCCESS == code) {
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      if ((TSDB_DATA_TYPE_VARCHAR == pCol->dataType.type && calcTypeBytes(pCol->dataType) > TSDB_MAX_BINARY_LEN) ||
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          (TSDB_DATA_TYPE_NCHAR == pCol->dataType.type && calcTypeBytes(pCol->dataType) > TSDB_MAX_NCHAR_LEN) ||
          (TSDB_DATA_TYPE_GEOMETRY == pCol->dataType.type && calcTypeBytes(pCol->dataType) > TSDB_MAX_GEOMETRY_LEN)) {
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        code = generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_INVALID_VAR_COLUMN_LEN);
      }
    }
    if (TSDB_CODE_SUCCESS == code) {
      code = taosHashPut(pHash, pCol->colName, len, &pCol, POINTER_BYTES);
    }
    if (TSDB_CODE_SUCCESS == code) {
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      rowSize += calcTypeBytes(pCol->dataType);
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    } else {
      break;
    }
  }

  if (TSDB_CODE_SUCCESS == code && rowSize > TSDB_MAX_BYTES_PER_ROW) {
    code = generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_INVALID_ROW_LENGTH, TSDB_MAX_BYTES_PER_ROW);
  }

  return code;
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}

static int32_t checkTableSchema(STranslateContext* pCxt, SCreateTableStmt* pStmt) {
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  SHashObj* pHash = taosHashInit(LIST_LENGTH(pStmt->pTags) + LIST_LENGTH(pStmt->pCols),
                                 taosGetDefaultHashFunction(TSDB_DATA_TYPE_BINARY), false, HASH_NO_LOCK);
  if (NULL == pHash) {
    return TSDB_CODE_OUT_OF_MEMORY;
  }
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  int32_t code = checkTableTagsSchema(pCxt, pHash, pStmt->pTags);
  if (TSDB_CODE_SUCCESS == code) {
4710
    code = checkTableColsSchema(pCxt, pHash, LIST_LENGTH(pStmt->pTags), pStmt->pCols);
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  }
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  taosHashCleanup(pHash);
  return code;
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}

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static int32_t getTableDelayOrWatermarkOption(STranslateContext* pCxt, const char* pName, int64_t minVal,
                                              int64_t maxVal, SValueNode* pVal, int64_t* pMaxDelay) {
  int32_t code = (DEAL_RES_ERROR == translateValue(pCxt, pVal) ? pCxt->errCode : TSDB_CODE_SUCCESS);
  if (TSDB_CODE_SUCCESS == code && TIME_UNIT_MILLISECOND != pVal->unit && TIME_UNIT_SECOND != pVal->unit &&
      TIME_UNIT_MINUTE != pVal->unit) {
4722 4723 4724
    code = generateSyntaxErrMsgExt(&pCxt->msgBuf, TSDB_CODE_PAR_INVALID_TABLE_OPTION,
                                   "Invalid option %s unit: %c, only %c, %c, %c allowed", pName, pVal->unit,
                                   TIME_UNIT_MILLISECOND, TIME_UNIT_SECOND, TIME_UNIT_MINUTE);
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  }
  if (TSDB_CODE_SUCCESS == code) {
4727
    code = checkTableRangeOption(pCxt, pName, pVal->datum.i, minVal, maxVal);
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  }
  if (TSDB_CODE_SUCCESS == code) {
    *pMaxDelay = pVal->datum.i;
  }
  return code;
}

static int32_t getTableMaxDelayOption(STranslateContext* pCxt, SValueNode* pVal, int64_t* pMaxDelay) {
  return getTableDelayOrWatermarkOption(pCxt, "maxDelay", TSDB_MIN_ROLLUP_MAX_DELAY, TSDB_MAX_ROLLUP_MAX_DELAY, pVal,
                                        pMaxDelay);
}

4740 4741
static int32_t checkTableMaxDelayOption(STranslateContext* pCxt, STableOptions* pOptions, bool createStable,
                                        SDbCfgInfo* pDbCfg) {
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  if (NULL == pOptions->pMaxDelay) {
    return TSDB_CODE_SUCCESS;
  }

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  if (!createStable || NULL == pDbCfg->pRetensions) {
    return generateSyntaxErrMsgExt(&pCxt->msgBuf, TSDB_CODE_PAR_INVALID_TABLE_OPTION,
                                   "Invalid option maxdelay: Only supported for create super table in databases "
                                   "configured with the 'RETENTIONS' option");
  }

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  if (LIST_LENGTH(pOptions->pMaxDelay) > 2) {
4753
    return generateSyntaxErrMsgExt(&pCxt->msgBuf, TSDB_CODE_PAR_INVALID_TABLE_OPTION, "Invalid option maxdelay");
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  }

  int32_t code =
      getTableMaxDelayOption(pCxt, (SValueNode*)nodesListGetNode(pOptions->pMaxDelay, 0), &pOptions->maxDelay1);
  if (TSDB_CODE_SUCCESS == code && 2 == LIST_LENGTH(pOptions->pMaxDelay)) {
    code = getTableMaxDelayOption(pCxt, (SValueNode*)nodesListGetNode(pOptions->pMaxDelay, 1), &pOptions->maxDelay2);
  }

  return code;
}

static int32_t getTableWatermarkOption(STranslateContext* pCxt, SValueNode* pVal, int64_t* pMaxDelay) {
  return getTableDelayOrWatermarkOption(pCxt, "watermark", TSDB_MIN_ROLLUP_WATERMARK, TSDB_MAX_ROLLUP_WATERMARK, pVal,
                                        pMaxDelay);
}

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static int32_t checkTableWatermarkOption(STranslateContext* pCxt, STableOptions* pOptions, bool createStable,
                                         SDbCfgInfo* pDbCfg) {
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  if (NULL == pOptions->pWatermark) {
    return TSDB_CODE_SUCCESS;
  }

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  if (!createStable || NULL == pDbCfg->pRetensions) {
    return generateSyntaxErrMsgExt(&pCxt->msgBuf, TSDB_CODE_PAR_INVALID_TABLE_OPTION,
                                   "Invalid option watermark: Only supported for create super table in databases "
                                   "configured with the 'RETENTIONS' option");
  }

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  if (LIST_LENGTH(pOptions->pWatermark) > 2) {
4783
    return generateSyntaxErrMsgExt(&pCxt->msgBuf, TSDB_CODE_PAR_INVALID_TABLE_OPTION, "Invalid option watermark");
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  }
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  int32_t code =
      getTableWatermarkOption(pCxt, (SValueNode*)nodesListGetNode(pOptions->pWatermark, 0), &pOptions->watermark1);
  if (TSDB_CODE_SUCCESS == code && 2 == LIST_LENGTH(pOptions->pWatermark)) {
    code = getTableWatermarkOption(pCxt, (SValueNode*)nodesListGetNode(pOptions->pWatermark, 1), &pOptions->watermark2);
  }

  return code;
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}

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static int32_t getTableDeleteMarkOption(STranslateContext* pCxt, SValueNode* pVal, int64_t* pMaxDelay) {
  return getTableDelayOrWatermarkOption(pCxt, "delete_mark", TSDB_MIN_ROLLUP_DELETE_MARK, TSDB_MAX_ROLLUP_DELETE_MARK,
                                        pVal, pMaxDelay);
}

static int32_t checkTableDeleteMarkOption(STranslateContext* pCxt, STableOptions* pOptions, bool createStable,
                                          SDbCfgInfo* pDbCfg) {
  if (NULL == pOptions->pDeleteMark) {
    return TSDB_CODE_SUCCESS;
  }

  if (!createStable || NULL == pDbCfg->pRetensions) {
    return generateSyntaxErrMsgExt(&pCxt->msgBuf, TSDB_CODE_PAR_INVALID_TABLE_OPTION,
                                   "Invalid option delete_mark: Only supported for create super table in databases "
                                   "configured with the 'RETENTIONS' option");
  }

  if (LIST_LENGTH(pOptions->pDeleteMark) > 2) {
    return generateSyntaxErrMsgExt(&pCxt->msgBuf, TSDB_CODE_PAR_INVALID_TABLE_OPTION, "Invalid option delete_mark");
  }

  int32_t code =
      getTableDeleteMarkOption(pCxt, (SValueNode*)nodesListGetNode(pOptions->pDeleteMark, 0), &pOptions->deleteMark1);
  if (TSDB_CODE_SUCCESS == code && 2 == LIST_LENGTH(pOptions->pDeleteMark)) {
    code =
        getTableDeleteMarkOption(pCxt, (SValueNode*)nodesListGetNode(pOptions->pDeleteMark, 1), &pOptions->deleteMark2);
  }

  return code;
}

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static int32_t checkCreateTable(STranslateContext* pCxt, SCreateTableStmt* pStmt, bool createStable) {
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  if (NULL != strchr(pStmt->tableName, '.')) {
    return generateSyntaxErrMsgExt(&pCxt->msgBuf, TSDB_CODE_PAR_INVALID_IDENTIFIER_NAME,
                                   "The table name cannot contain '.'");
  }

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  SDbCfgInfo dbCfg = {0};
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  int32_t    code = getDBCfg(pCxt, pStmt->dbName, &dbCfg);
  if (TSDB_CODE_SUCCESS == code && !createStable && NULL != dbCfg.pRetensions) {
    code = generateSyntaxErrMsgExt(
        &pCxt->msgBuf, TSDB_CODE_PAR_INVALID_TABLE_OPTION,
        "Only super table creation is supported in databases configured with the 'RETENTIONS' option");
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  }
  if (TSDB_CODE_SUCCESS == code) {
    code = checkTableMaxDelayOption(pCxt, pStmt->pOptions, createStable, &dbCfg);
  }
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  if (TSDB_CODE_SUCCESS == code) {
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    code = checkTableWatermarkOption(pCxt, pStmt->pOptions, createStable, &dbCfg);
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  }
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  if (TSDB_CODE_SUCCESS == code) {
    code = checkTableDeleteMarkOption(pCxt, pStmt->pOptions, createStable, &dbCfg);
  }
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  if (TSDB_CODE_SUCCESS == code) {
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    code = checkTableRollupOption(pCxt, pStmt->pOptions->pRollupFuncs, createStable, &dbCfg);
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  }
  if (TSDB_CODE_SUCCESS == code) {
    code = checkTableSmaOption(pCxt, pStmt);
  }
  if (TSDB_CODE_SUCCESS == code) {
    code = checkTableSchema(pCxt, pStmt);
  }
  return code;
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}

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static void toSchema(const SColumnDefNode* pCol, col_id_t colId, SSchema* pSchema) {
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  int8_t flags = 0;
  if (pCol->sma) {
    flags |= COL_SMA_ON;
  }
  pSchema->colId = colId;
  pSchema->type = pCol->dataType.type;
  pSchema->bytes = calcTypeBytes(pCol->dataType);
  pSchema->flags = flags;
  strcpy(pSchema->name, pCol->colName);
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}

typedef struct SSampleAstInfo {
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  const char* pDbName;
  const char* pTableName;
  SNodeList*  pFuncs;
  SNode*      pInterval;
  SNode*      pOffset;
  SNode*      pSliding;
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  SNodeList*  pPartitionByList;
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  STableMeta* pRollupTableMeta;
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  bool        createSmaIndex;
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} SSampleAstInfo;

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static int32_t buildTableForSampleAst(SSampleAstInfo* pInfo, SNode** pOutput) {
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  SRealTableNode* pTable = (SRealTableNode*)nodesMakeNode(QUERY_NODE_REAL_TABLE);
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  if (NULL == pTable) {
    return TSDB_CODE_OUT_OF_MEMORY;
  }
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  snprintf(pTable->table.dbName, sizeof(pTable->table.dbName), "%s", pInfo->pDbName);
  snprintf(pTable->table.tableName, sizeof(pTable->table.tableName), "%s", pInfo->pTableName);
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  TSWAP(pTable->pMeta, pInfo->pRollupTableMeta);
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  *pOutput = (SNode*)pTable;
  return TSDB_CODE_SUCCESS;
}
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static int32_t addWstartToSampleProjects(SNodeList* pProjectionList) {
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  SFunctionNode* pFunc = (SFunctionNode*)nodesMakeNode(QUERY_NODE_FUNCTION);
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  if (NULL == pFunc) {
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    return TSDB_CODE_OUT_OF_MEMORY;
  }
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  strcpy(pFunc->functionName, "_wstart");
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  return nodesListPushFront(pProjectionList, (SNode*)pFunc);
}

static int32_t addWendToSampleProjects(SNodeList* pProjectionList) {
  SFunctionNode* pFunc = (SFunctionNode*)nodesMakeNode(QUERY_NODE_FUNCTION);
  if (NULL == pFunc) {
    return TSDB_CODE_OUT_OF_MEMORY;
  }
  strcpy(pFunc->functionName, "_wend");
  return nodesListAppend(pProjectionList, (SNode*)pFunc);
}

static int32_t addWdurationToSampleProjects(SNodeList* pProjectionList) {
  SFunctionNode* pFunc = (SFunctionNode*)nodesMakeNode(QUERY_NODE_FUNCTION);
  if (NULL == pFunc) {
    return TSDB_CODE_OUT_OF_MEMORY;
  }
  strcpy(pFunc->functionName, "_wduration");
  return nodesListAppend(pProjectionList, (SNode*)pFunc);
}

static int32_t buildProjectsForSampleAst(SSampleAstInfo* pInfo, SNodeList** pList) {
  SNodeList* pProjectionList = pInfo->pFuncs;
  pInfo->pFuncs = NULL;
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  int32_t code = addWstartToSampleProjects(pProjectionList);
  if (TSDB_CODE_SUCCESS == code && pInfo->createSmaIndex) {
    code = addWendToSampleProjects(pProjectionList);
    if (TSDB_CODE_SUCCESS == code) {
      code = addWdurationToSampleProjects(pProjectionList);
    }
  }
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  if (TSDB_CODE_SUCCESS == code) {
    SNode* pProject = NULL;
    FOREACH(pProject, pProjectionList) { sprintf(((SExprNode*)pProject)->aliasName, "#%p", pProject); }
    *pList = pProjectionList;
  } else {
    nodesDestroyList(pProjectionList);
  }
  return code;
}

static int32_t buildIntervalForSampleAst(SSampleAstInfo* pInfo, SNode** pOutput) {
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  SIntervalWindowNode* pInterval = (SIntervalWindowNode*)nodesMakeNode(QUERY_NODE_INTERVAL_WINDOW);
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  if (NULL == pInterval) {
    return TSDB_CODE_OUT_OF_MEMORY;
  }
  TSWAP(pInterval->pInterval, pInfo->pInterval);
  TSWAP(pInterval->pOffset, pInfo->pOffset);
  TSWAP(pInterval->pSliding, pInfo->pSliding);
  pInterval->pCol = nodesMakeNode(QUERY_NODE_COLUMN);
  if (NULL == pInterval->pCol) {
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    nodesDestroyNode((SNode*)pInterval);
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    return TSDB_CODE_OUT_OF_MEMORY;
  }
  ((SColumnNode*)pInterval->pCol)->colId = PRIMARYKEY_TIMESTAMP_COL_ID;
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  strcpy(((SColumnNode*)pInterval->pCol)->colName, ROWTS_PSEUDO_COLUMN_NAME);
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  *pOutput = (SNode*)pInterval;
  return TSDB_CODE_SUCCESS;
}
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static int32_t buildSampleAst(STranslateContext* pCxt, SSampleAstInfo* pInfo, char** pAst, int32_t* pLen, char** pExpr,
                              int32_t* pExprLen) {
  SSelectStmt* pSelect = (SSelectStmt*)nodesMakeNode(QUERY_NODE_SELECT_STMT);
  if (NULL == pSelect) {
    return TSDB_CODE_OUT_OF_MEMORY;
  }
  sprintf(pSelect->stmtName, "%p", pSelect);

  int32_t code = buildTableForSampleAst(pInfo, &pSelect->pFromTable);
  if (TSDB_CODE_SUCCESS == code) {
    code = buildProjectsForSampleAst(pInfo, &pSelect->pProjectionList);
  }
  if (TSDB_CODE_SUCCESS == code) {
    TSWAP(pSelect->pPartitionByList, pInfo->pPartitionByList);
    code = buildIntervalForSampleAst(pInfo, &pSelect->pWindow);
  }
  if (TSDB_CODE_SUCCESS == code) {
    pCxt->createStream = true;
    code = translateQuery(pCxt, (SNode*)pSelect);
  }
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  if (TSDB_CODE_SUCCESS == code) {
4985
    code = nodesNodeToString((SNode*)pSelect, false, pAst, pLen);
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  }
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  if (TSDB_CODE_SUCCESS == code && NULL != pExpr) {
    code = nodesListToString(pSelect->pProjectionList, false, pExpr, pExprLen);
  }
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  nodesDestroyNode((SNode*)pSelect);
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  return code;
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}

static void clearSampleAstInfo(SSampleAstInfo* pInfo) {
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  nodesDestroyList(pInfo->pFuncs);
  nodesDestroyNode(pInfo->pInterval);
  nodesDestroyNode(pInfo->pOffset);
  nodesDestroyNode(pInfo->pSliding);
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}

static SNode* makeIntervalVal(SRetention* pRetension, int8_t precision) {
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  SValueNode* pVal = (SValueNode*)nodesMakeNode(QUERY_NODE_VALUE);
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  if (NULL == pVal) {
    return NULL;
  }
  int64_t timeVal = convertTimeFromPrecisionToUnit(pRetension->freq, precision, pRetension->freqUnit);
  char    buf[20] = {0};
  int32_t len = snprintf(buf, sizeof(buf), "%" PRId64 "%c", timeVal, pRetension->freqUnit);
  pVal->literal = strndup(buf, len);
  if (NULL == pVal->literal) {
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    nodesDestroyNode((SNode*)pVal);
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    return NULL;
  }
  pVal->isDuration = true;
  pVal->node.resType.type = TSDB_DATA_TYPE_BIGINT;
  pVal->node.resType.bytes = tDataTypes[TSDB_DATA_TYPE_BIGINT].bytes;
  pVal->node.resType.precision = precision;
  return (SNode*)pVal;
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}

static SNode* createColumnFromDef(SColumnDefNode* pDef) {
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  SColumnNode* pCol = (SColumnNode*)nodesMakeNode(QUERY_NODE_COLUMN);
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  if (NULL == pCol) {
    return NULL;
  }
  strcpy(pCol->colName, pDef->colName);
  return (SNode*)pCol;
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}

static SNode* createRollupFunc(SNode* pSrcFunc, SColumnDefNode* pColDef) {
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  SFunctionNode* pFunc = (SFunctionNode*)nodesCloneNode(pSrcFunc);
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  if (NULL == pFunc) {
    return NULL;
  }
  if (TSDB_CODE_SUCCESS != nodesListMakeStrictAppend(&pFunc->pParameterList, createColumnFromDef(pColDef))) {
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    nodesDestroyNode((SNode*)pFunc);
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    return NULL;
  }
  return (SNode*)pFunc;
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}

static SNodeList* createRollupFuncs(SCreateTableStmt* pStmt) {
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  SNodeList* pFuncs = nodesMakeList();
  if (NULL == pFuncs) {
    return NULL;
  }

  SNode* pFunc = NULL;
  FOREACH(pFunc, pStmt->pOptions->pRollupFuncs) {
    SNode* pCol = NULL;
    bool   primaryKey = true;
    FOREACH(pCol, pStmt->pCols) {
      if (primaryKey) {
        primaryKey = false;
        continue;
      }
      if (TSDB_CODE_SUCCESS != nodesListStrictAppend(pFuncs, createRollupFunc(pFunc, (SColumnDefNode*)pCol))) {
        nodesDestroyList(pFuncs);
        return NULL;
      }
    }
  }

  return pFuncs;
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}

static STableMeta* createRollupTableMeta(SCreateTableStmt* pStmt, int8_t precision) {
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  int32_t     numOfField = LIST_LENGTH(pStmt->pCols) + LIST_LENGTH(pStmt->pTags);
  STableMeta* pMeta = taosMemoryCalloc(1, sizeof(STableMeta) + numOfField * sizeof(SSchema));
  if (NULL == pMeta) {
    return NULL;
  }
  pMeta->tableType = TSDB_SUPER_TABLE;
  pMeta->tableInfo.numOfTags = LIST_LENGTH(pStmt->pTags);
  pMeta->tableInfo.precision = precision;
  pMeta->tableInfo.numOfColumns = LIST_LENGTH(pStmt->pCols);

  int32_t index = 0;
  SNode*  pCol = NULL;
  FOREACH(pCol, pStmt->pCols) {
    toSchema((SColumnDefNode*)pCol, index + 1, pMeta->schema + index);
    ++index;
  }
  SNode* pTag = NULL;
  FOREACH(pTag, pStmt->pTags) {
    toSchema((SColumnDefNode*)pTag, index + 1, pMeta->schema + index);
    ++index;
  }

  return pMeta;
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}

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static SNode* createTbnameFunction() {
  SFunctionNode* pFunc = (SFunctionNode*)nodesMakeNode(QUERY_NODE_FUNCTION);
  if (NULL == pFunc) {
    return NULL;
  }
  strcpy(pFunc->functionName, "tbname");
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  strcpy(pFunc->node.aliasName, "tbname");
  strcpy(pFunc->node.userAlias, "tbname");
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  return (SNode*)pFunc;
}

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static int32_t buildSampleAstInfoByTable(STranslateContext* pCxt, SCreateTableStmt* pStmt, SRetention* pRetension,
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                                         int8_t precision, SSampleAstInfo* pInfo) {
  pInfo->pDbName = pStmt->dbName;
  pInfo->pTableName = pStmt->tableName;
  pInfo->pFuncs = createRollupFuncs(pStmt);
  pInfo->pInterval = makeIntervalVal(pRetension, precision);
  pInfo->pRollupTableMeta = createRollupTableMeta(pStmt, precision);
  if (NULL == pInfo->pFuncs || NULL == pInfo->pInterval || NULL == pInfo->pRollupTableMeta) {
    return TSDB_CODE_OUT_OF_MEMORY;
  }
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  return nodesListMakeStrictAppend(&pInfo->pPartitionByList, createTbnameFunction());
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}

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static int32_t getRollupAst(STranslateContext* pCxt, SCreateTableStmt* pStmt, SRetention* pRetension, int8_t precision,
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                            char** pAst, int32_t* pLen) {
  SSampleAstInfo info = {0};
  int32_t        code = buildSampleAstInfoByTable(pCxt, pStmt, pRetension, precision, &info);
  if (TSDB_CODE_SUCCESS == code) {
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    code = buildSampleAst(pCxt, &info, pAst, pLen, NULL, NULL);
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  }
  clearSampleAstInfo(&info);
  return code;
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}

static int32_t buildRollupAst(STranslateContext* pCxt, SCreateTableStmt* pStmt, SMCreateStbReq* pReq) {
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  SDbCfgInfo dbCfg = {0};
  int32_t    code = getDBCfg(pCxt, pStmt->dbName, &dbCfg);
  int32_t    num = taosArrayGetSize(dbCfg.pRetensions);
  if (TSDB_CODE_SUCCESS != code || num < 2) {
    return code;
  }
  for (int32_t i = 1; i < num; ++i) {
    SRetention*       pRetension = taosArrayGet(dbCfg.pRetensions, i);
    STranslateContext cxt = {0};
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    initTranslateContext(pCxt->pParseCxt, pCxt->pMetaCache, &cxt);
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    code = getRollupAst(&cxt, pStmt, pRetension, dbCfg.precision, 1 == i ? &pReq->pAst1 : &pReq->pAst2,
                        1 == i ? &pReq->ast1Len : &pReq->ast2Len);
    destroyTranslateContext(&cxt);
    if (TSDB_CODE_SUCCESS != code) {
      break;
    }
  }
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  return code;
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}
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static int32_t buildRollupFuncs(SNodeList* pFuncs, SArray** pArray) {
  if (NULL == pFuncs) {
    return TSDB_CODE_SUCCESS;
  }
  *pArray = taosArrayInit(LIST_LENGTH(pFuncs), TSDB_FUNC_NAME_LEN);
  SNode* pNode;
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  FOREACH(pNode, pFuncs) { taosArrayPush(*pArray, ((SFunctionNode*)pNode)->functionName); }
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  return TSDB_CODE_SUCCESS;
}

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static int32_t buildCreateStbReq(STranslateContext* pCxt, SCreateTableStmt* pStmt, SMCreateStbReq* pReq) {
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  pReq->igExists = pStmt->ignoreExists;
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  pReq->delay1 = pStmt->pOptions->maxDelay1;
  pReq->delay2 = pStmt->pOptions->maxDelay2;
  pReq->watermark1 = pStmt->pOptions->watermark1;
  pReq->watermark2 = pStmt->pOptions->watermark2;
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  pReq->deleteMark1 = pStmt->pOptions->deleteMark1;
  pReq->deleteMark2 = pStmt->pOptions->deleteMark2;
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  pReq->colVer = 1;
  pReq->tagVer = 1;
  pReq->source = TD_REQ_FROM_APP;
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  columnDefNodeToField(pStmt->pCols, &pReq->pColumns);
  columnDefNodeToField(pStmt->pTags, &pReq->pTags);
  pReq->numOfColumns = LIST_LENGTH(pStmt->pCols);
  pReq->numOfTags = LIST_LENGTH(pStmt->pTags);
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  if (pStmt->pOptions->commentNull == false) {
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    pReq->pComment = taosStrdup(pStmt->pOptions->comment);
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    if (NULL == pReq->pComment) {
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      return TSDB_CODE_OUT_OF_MEMORY;
    }
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    pReq->commentLen = strlen(pStmt->pOptions->comment);
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  } else {
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    pReq->commentLen = -1;
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  }
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  buildRollupFuncs(pStmt->pOptions->pRollupFuncs, &pReq->pFuncs);
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  pReq->numOfFuncs = taosArrayGetSize(pReq->pFuncs);
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  SName tableName;
  tNameExtractFullName(toName(pCxt->pParseCxt->acctId, pStmt->dbName, pStmt->tableName, &tableName), pReq->name);
  int32_t code = collectUseTable(&tableName, pCxt->pTables);
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  if (TSDB_CODE_SUCCESS == code) {
    code = collectUseTable(&tableName, pCxt->pTargetTables);
  }
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  if (TSDB_CODE_SUCCESS == code) {
    code = buildRollupAst(pCxt, pStmt, pReq);
  }
  return code;
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}
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static int32_t translateCreateSuperTable(STranslateContext* pCxt, SCreateTableStmt* pStmt) {
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  SMCreateStbReq createReq = {0};
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  int32_t        code = checkCreateTable(pCxt, pStmt, true);
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  if (TSDB_CODE_SUCCESS == code) {
    code = buildCreateStbReq(pCxt, pStmt, &createReq);
  }
  if (TSDB_CODE_SUCCESS == code) {
    code = buildCmdMsg(pCxt, TDMT_MND_CREATE_STB, (FSerializeFunc)tSerializeSMCreateStbReq, &createReq);
  }
  tFreeSMCreateStbReq(&createReq);
  return code;
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}

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static int32_t doTranslateDropSuperTable(STranslateContext* pCxt, const SName* pTableName, bool ignoreNotExists) {
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  int32_t code = collectUseTable(pTableName, pCxt->pTargetTables);
  if (TSDB_CODE_SUCCESS == code) {
    SMDropStbReq dropReq = {0};
    tNameExtractFullName(pTableName, dropReq.name);
    dropReq.igNotExists = ignoreNotExists;
    code = buildCmdMsg(pCxt, TDMT_MND_DROP_STB, (FSerializeFunc)tSerializeSMDropStbReq, &dropReq);
  }
  return code;
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}

static int32_t translateDropTable(STranslateContext* pCxt, SDropTableStmt* pStmt) {
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  SDropTableClause* pClause = (SDropTableClause*)nodesListGetNode(pStmt->pTables, 0);
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  SName             tableName;
  return doTranslateDropSuperTable(
      pCxt, toName(pCxt->pParseCxt->acctId, pClause->dbName, pClause->tableName, &tableName), pClause->ignoreNotExists);
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}

static int32_t translateDropSuperTable(STranslateContext* pCxt, SDropSuperTableStmt* pStmt) {
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  SName tableName;
  return doTranslateDropSuperTable(pCxt, toName(pCxt->pParseCxt->acctId, pStmt->dbName, pStmt->tableName, &tableName),
                                   pStmt->ignoreNotExists);
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}

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static int32_t buildAlterSuperTableReq(STranslateContext* pCxt, SAlterTableStmt* pStmt, SMAlterStbReq* pAlterReq) {
  SName tableName;
  tNameExtractFullName(toName(pCxt->pParseCxt->acctId, pStmt->dbName, pStmt->tableName, &tableName), pAlterReq->name);
  pAlterReq->alterType = pStmt->alterType;

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  if (TSDB_ALTER_TABLE_UPDATE_OPTIONS == pStmt->alterType) {
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    //    pAlterReq->ttl = pStmt->pOptions->ttl;
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    if (pStmt->pOptions->commentNull == false) {
5244
      pAlterReq->comment = taosStrdup(pStmt->pOptions->comment);
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      if (NULL == pAlterReq->comment) {
        return TSDB_CODE_OUT_OF_MEMORY;
      }
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      pAlterReq->commentLen = strlen(pStmt->pOptions->comment);
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    } else {
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      pAlterReq->commentLen = -1;
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    }
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    return TSDB_CODE_SUCCESS;
  }

  pAlterReq->pFields = taosArrayInit(2, sizeof(TAOS_FIELD));
  if (NULL == pAlterReq->pFields) {
    return TSDB_CODE_OUT_OF_MEMORY;
  }

  switch (pStmt->alterType) {
    case TSDB_ALTER_TABLE_ADD_TAG:
    case TSDB_ALTER_TABLE_DROP_TAG:
    case TSDB_ALTER_TABLE_ADD_COLUMN:
    case TSDB_ALTER_TABLE_DROP_COLUMN:
    case TSDB_ALTER_TABLE_UPDATE_COLUMN_BYTES:
    case TSDB_ALTER_TABLE_UPDATE_TAG_BYTES: {
      TAOS_FIELD field = {.type = pStmt->dataType.type, .bytes = calcTypeBytes(pStmt->dataType)};
      strcpy(field.name, pStmt->colName);
      taosArrayPush(pAlterReq->pFields, &field);
      break;
    }
    case TSDB_ALTER_TABLE_UPDATE_TAG_NAME:
    case TSDB_ALTER_TABLE_UPDATE_COLUMN_NAME: {
      TAOS_FIELD oldField = {0};
      strcpy(oldField.name, pStmt->colName);
      taosArrayPush(pAlterReq->pFields, &oldField);
      TAOS_FIELD newField = {0};
      strcpy(newField.name, pStmt->newColName);
      taosArrayPush(pAlterReq->pFields, &newField);
      break;
    }
    default:
      break;
  }

  pAlterReq->numOfFields = taosArrayGetSize(pAlterReq->pFields);
  return TSDB_CODE_SUCCESS;
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}

5291
static const SSchema* getColSchema(const STableMeta* pTableMeta, const char* pColName) {
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  int32_t numOfFields = getNumOfTags(pTableMeta) + getNumOfColumns(pTableMeta);
  for (int32_t i = 0; i < numOfFields; ++i) {
5294
    const SSchema* pSchema = pTableMeta->schema + i;
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    if (0 == strcmp(pColName, pSchema->name)) {
      return pSchema;
    }
  }
  return NULL;
}

5302 5303 5304 5305 5306 5307 5308 5309 5310 5311 5312 5313
static const SSchema* getNormalColSchema(const STableMeta* pTableMeta, const char* pColName) {
  int32_t  numOfCols = getNumOfColumns(pTableMeta);
  SSchema* pColsSchema = getTableColumnSchema(pTableMeta);
  for (int32_t i = 0; i < numOfCols; ++i) {
    const SSchema* pSchema = pColsSchema + i;
    if (0 == strcmp(pColName, pSchema->name)) {
      return pSchema;
    }
  }
  return NULL;
}

5314
static SSchema* getTagSchema(const STableMeta* pTableMeta, const char* pTagName) {
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  int32_t  numOfTags = getNumOfTags(pTableMeta);
  SSchema* pTagsSchema = getTableTagSchema(pTableMeta);
  for (int32_t i = 0; i < numOfTags; ++i) {
    SSchema* pSchema = pTagsSchema + i;
    if (0 == strcmp(pTagName, pSchema->name)) {
      return pSchema;
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    }
  }
  return NULL;
}

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static int32_t checkAlterSuperTableBySchema(STranslateContext* pCxt, SAlterTableStmt* pStmt,
                                            const STableMeta* pTableMeta) {
5328 5329 5330 5331 5332 5333 5334
  SSchema* pTagsSchema = getTableTagSchema(pTableMeta);
  if (getNumOfTags(pTableMeta) == 1 && pTagsSchema->type == TSDB_DATA_TYPE_JSON &&
      (pStmt->alterType == TSDB_ALTER_TABLE_ADD_TAG || pStmt->alterType == TSDB_ALTER_TABLE_DROP_TAG ||
       pStmt->alterType == TSDB_ALTER_TABLE_UPDATE_TAG_BYTES)) {
    return generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_ONLY_ONE_JSON_TAG);
  }

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  int32_t tagsLen = 0;
  for (int32_t i = 0; i < pTableMeta->tableInfo.numOfTags; ++i) {
    tagsLen += pTagsSchema[i].bytes;
  }

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  if (TSDB_ALTER_TABLE_UPDATE_COLUMN_BYTES == pStmt->alterType ||
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      TSDB_ALTER_TABLE_UPDATE_TAG_BYTES == pStmt->alterType || TSDB_ALTER_TABLE_DROP_COLUMN == pStmt->alterType ||
      TSDB_ALTER_TABLE_DROP_TAG == pStmt->alterType) {
5343 5344 5345
    if (TSDB_SUPER_TABLE != pTableMeta->tableType) {
      return generateSyntaxErrMsgExt(&pCxt->msgBuf, TSDB_CODE_PAR_INVALID_ALTER_TABLE, "Table is not super table");
    }
5346

5347
    const SSchema* pSchema = getColSchema(pTableMeta, pStmt->colName);
5348
    if (NULL == pSchema) {
5349 5350 5351 5352 5353 5354 5355 5356 5357
      return generateSyntaxErrMsg(
          &pCxt->msgBuf,
          (TSDB_ALTER_TABLE_UPDATE_COLUMN_BYTES == pStmt->alterType || TSDB_ALTER_TABLE_DROP_COLUMN == pStmt->alterType)
              ? TSDB_CODE_PAR_INVALID_COLUMN
              : TSDB_CODE_PAR_INVALID_TAG_NAME,
          pStmt->colName);
    }

    if ((TSDB_ALTER_TABLE_UPDATE_COLUMN_BYTES == pStmt->alterType ||
5358
         TSDB_ALTER_TABLE_UPDATE_TAG_BYTES == pStmt->alterType) &&
5359 5360
        (!IS_VAR_DATA_TYPE(pSchema->type) || pSchema->type != pStmt->dataType.type ||
         pSchema->bytes >= calcTypeBytes(pStmt->dataType))) {
5361
      return generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_INVALID_MODIFY_COL);
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    }
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5364
    if (TSDB_ALTER_TABLE_UPDATE_COLUMN_BYTES == pStmt->alterType) {
5365 5366
      if ((TSDB_DATA_TYPE_VARCHAR == pStmt->dataType.type && calcTypeBytes(pStmt->dataType) > TSDB_MAX_BINARY_LEN) ||
          (TSDB_DATA_TYPE_NCHAR == pStmt->dataType.type && calcTypeBytes(pStmt->dataType) > TSDB_MAX_NCHAR_LEN)) {
5367 5368 5369 5370 5371 5372
        return generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_INVALID_VAR_COLUMN_LEN);
      }

      if (pTableMeta->tableInfo.rowSize + calcTypeBytes(pStmt->dataType) - pSchema->bytes > TSDB_MAX_BYTES_PER_ROW) {
        return generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_INVALID_ROW_LENGTH, TSDB_MAX_BYTES_PER_ROW);
      }
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    }

5375
    if (TSDB_ALTER_TABLE_UPDATE_TAG_BYTES == pStmt->alterType) {
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      if (calcTypeBytes(pStmt->dataType) > TSDB_MAX_TAGS_LEN) {
5377 5378 5379 5380 5381 5382
        return generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_INVALID_VAR_COLUMN_LEN);
      }

      if (tagsLen + calcTypeBytes(pStmt->dataType) - pSchema->bytes > TSDB_MAX_TAGS_LEN) {
        return generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_INVALID_TAGS_LENGTH, TSDB_MAX_TAGS_LEN);
      }
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    }
  }

  if (TSDB_ALTER_TABLE_ADD_COLUMN == pStmt->alterType) {
    if (TSDB_MAX_COLUMNS == pTableMeta->tableInfo.numOfColumns) {
      return generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_TOO_MANY_COLUMNS);
    }

5391 5392 5393 5394 5395
    if ((TSDB_DATA_TYPE_VARCHAR == pStmt->dataType.type && calcTypeBytes(pStmt->dataType) > TSDB_MAX_BINARY_LEN) ||
        (TSDB_DATA_TYPE_NCHAR == pStmt->dataType.type && calcTypeBytes(pStmt->dataType) > TSDB_MAX_NCHAR_LEN)) {
      return generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_INVALID_VAR_COLUMN_LEN);
    }

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    if (pTableMeta->tableInfo.rowSize + calcTypeBytes(pStmt->dataType) > TSDB_MAX_BYTES_PER_ROW) {
      return generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_INVALID_ROW_LENGTH, TSDB_MAX_BYTES_PER_ROW);
    }
  }

  if (TSDB_ALTER_TABLE_ADD_TAG == pStmt->alterType) {
    if (TSDB_MAX_TAGS == pTableMeta->tableInfo.numOfTags) {
      return generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_INVALID_TAGS_NUM);
    }

    if (tagsLen + calcTypeBytes(pStmt->dataType) > TSDB_MAX_TAGS_LEN) {
      return generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_INVALID_TAGS_LENGTH, TSDB_MAX_TAGS_LEN);
    }
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  }
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  if (getNumOfTags(pTableMeta) == 1 && pStmt->alterType == TSDB_ALTER_TABLE_DROP_TAG) {
    return generateSyntaxErrMsgExt(&pCxt->msgBuf, TSDB_CODE_PAR_INVALID_ALTER_TABLE, "the only tag cannot be dropped");
  }

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  return TSDB_CODE_SUCCESS;
}

5418
static int32_t checkAlterSuperTable(STranslateContext* pCxt, SAlterTableStmt* pStmt) {
5419
  if (TSDB_ALTER_TABLE_UPDATE_TAG_VAL == pStmt->alterType) {
5420 5421 5422 5423
    return generateSyntaxErrMsgExt(&pCxt->msgBuf, TSDB_CODE_PAR_INVALID_ALTER_TABLE,
                                   "Set tag value only available for child table");
  }

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  if (TSDB_ALTER_TABLE_UPDATE_COLUMN_NAME == pStmt->alterType) {
    return generateSyntaxErrMsgExt(&pCxt->msgBuf, TSDB_CODE_PAR_INVALID_ALTER_TABLE,
                                   "Rename column only available for normal table");
  }

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  if (pStmt->alterType == TSDB_ALTER_TABLE_UPDATE_OPTIONS && -1 != pStmt->pOptions->ttl) {
    return generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_INVALID_ALTER_TABLE);
  }

  if (pStmt->dataType.type == TSDB_DATA_TYPE_JSON && pStmt->alterType == TSDB_ALTER_TABLE_ADD_TAG) {
    return generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_ONLY_ONE_JSON_TAG);
  }

  if (pStmt->dataType.type == TSDB_DATA_TYPE_JSON && pStmt->alterType == TSDB_ALTER_TABLE_ADD_COLUMN) {
    return generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_INVALID_COL_JSON);
  }

5441 5442 5443 5444 5445 5446 5447 5448 5449
  SDbCfgInfo dbCfg = {0};
  int32_t    code = getDBCfg(pCxt, pStmt->dbName, &dbCfg);
  if (TSDB_CODE_SUCCESS == code && NULL != dbCfg.pRetensions &&
      (TSDB_ALTER_TABLE_ADD_COLUMN == pStmt->alterType || TSDB_ALTER_TABLE_DROP_COLUMN == pStmt->alterType ||
       TSDB_ALTER_TABLE_UPDATE_COLUMN_BYTES == pStmt->alterType)) {
    return generateSyntaxErrMsgExt(&pCxt->msgBuf, TSDB_CODE_PAR_INVALID_ALTER_TABLE,
                                   "Modifying the table schema is not supported in databases "
                                   "configured with the 'RETENTIONS' option");
  }
5450 5451
  STableMeta* pTableMeta = NULL;
  if (TSDB_CODE_SUCCESS == code) {
5452 5453 5454 5455
    code = getTableMeta(pCxt, pStmt->dbName, pStmt->tableName, &pTableMeta);
  }
  if (TSDB_CODE_SUCCESS == code) {
    code = checkAlterSuperTableBySchema(pCxt, pStmt, pTableMeta);
5456 5457 5458 5459 5460
  }
  taosMemoryFree(pTableMeta);
  return code;
}

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static int32_t translateAlterSuperTable(STranslateContext* pCxt, SAlterTableStmt* pStmt) {
  SMAlterStbReq alterReq = {0};
  int32_t       code = checkAlterSuperTable(pCxt, pStmt);
  if (TSDB_CODE_SUCCESS == code) {
    code = buildAlterSuperTableReq(pCxt, pStmt, &alterReq);
  }
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  if (TSDB_CODE_SUCCESS == code) {
    code = buildCmdMsg(pCxt, TDMT_MND_ALTER_STB, (FSerializeFunc)tSerializeSMAlterStbReq, &alterReq);
  }
5470
  tFreeSMAltertbReq(&alterReq);
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  return code;
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}

5474
static int32_t translateUseDatabase(STranslateContext* pCxt, SUseDatabaseStmt* pStmt) {
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  SUseDbReq usedbReq = {0};
  SName     name = {0};
  tNameSetDbName(&name, pCxt->pParseCxt->acctId, pStmt->dbName, strlen(pStmt->dbName));
  tNameExtractFullName(&name, usedbReq.db);
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  int32_t code =
      getDBVgVersion(pCxt, usedbReq.db, &usedbReq.vgVersion, &usedbReq.dbId, &usedbReq.numOfTable, &usedbReq.stateTs);
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  if (TSDB_CODE_SUCCESS == code) {
    code = buildCmdMsg(pCxt, TDMT_MND_USE_DB, (FSerializeFunc)tSerializeSUseDbReq, &usedbReq);
  }
  return code;
5485 5486
}

5487
static int32_t translateCreateUser(STranslateContext* pCxt, SCreateUserStmt* pStmt) {
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  SCreateUserReq createReq = {0};
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  strcpy(createReq.user, pStmt->userName);
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  createReq.createType = 0;
  createReq.superUser = 0;
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  createReq.sysInfo = pStmt->sysinfo;
5493
  createReq.enable = 1;
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  strcpy(createReq.pass, pStmt->password);
5495

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  return buildCmdMsg(pCxt, TDMT_MND_CREATE_USER, (FSerializeFunc)tSerializeSCreateUserReq, &createReq);
5497 5498 5499
}

static int32_t translateAlterUser(STranslateContext* pCxt, SAlterUserStmt* pStmt) {
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  SAlterUserReq alterReq = {0};
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  strcpy(alterReq.user, pStmt->userName);
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  alterReq.alterType = pStmt->alterType;
  alterReq.superUser = 0;
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  alterReq.enable = pStmt->enable;
  alterReq.sysInfo = pStmt->sysinfo;
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  snprintf(alterReq.pass, sizeof(alterReq.pass), "%s", pStmt->password);
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  if (NULL != pCxt->pParseCxt->db) {
5508
    snprintf(alterReq.objname, sizeof(alterReq.objname), "%s", pCxt->pParseCxt->db);
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  }
5510

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  return buildCmdMsg(pCxt, TDMT_MND_ALTER_USER, (FSerializeFunc)tSerializeSAlterUserReq, &alterReq);
5512 5513 5514
}

static int32_t translateDropUser(STranslateContext* pCxt, SDropUserStmt* pStmt) {
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  SDropUserReq dropReq = {0};
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  strcpy(dropReq.user, pStmt->userName);
5517

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  return buildCmdMsg(pCxt, TDMT_MND_DROP_USER, (FSerializeFunc)tSerializeSDropUserReq, &dropReq);
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}

static int32_t translateCreateDnode(STranslateContext* pCxt, SCreateDnodeStmt* pStmt) {
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  SCreateDnodeReq createReq = {0};
  strcpy(createReq.fqdn, pStmt->fqdn);
  createReq.port = pStmt->port;
5525

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  return buildCmdMsg(pCxt, TDMT_MND_CREATE_DNODE, (FSerializeFunc)tSerializeSCreateDnodeReq, &createReq);
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}

static int32_t translateDropDnode(STranslateContext* pCxt, SDropDnodeStmt* pStmt) {
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  SDropDnodeReq dropReq = {0};
  dropReq.dnodeId = pStmt->dnodeId;
  strcpy(dropReq.fqdn, pStmt->fqdn);
  dropReq.port = pStmt->port;
5534
  dropReq.force = pStmt->force;
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  dropReq.unsafe = pStmt->unsafe;
5536

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  return buildCmdMsg(pCxt, TDMT_MND_DROP_DNODE, (FSerializeFunc)tSerializeSDropDnodeReq, &dropReq);
5538 5539
}

5540
static int32_t translateAlterDnode(STranslateContext* pCxt, SAlterDnodeStmt* pStmt) {
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  SMCfgDnodeReq cfgReq = {0};
  cfgReq.dnodeId = pStmt->dnodeId;
  strcpy(cfgReq.config, pStmt->config);
  strcpy(cfgReq.value, pStmt->value);
5545

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  return buildCmdMsg(pCxt, TDMT_MND_CONFIG_DNODE, (FSerializeFunc)tSerializeSMCfgDnodeReq, &cfgReq);
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}

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static int32_t translateRestoreDnode(STranslateContext* pCxt, SRestoreComponentNodeStmt* pStmt) {
  SRestoreDnodeReq restoreReq = {0};
  restoreReq.dnodeId = pStmt->dnodeId;
  switch (nodeType((SNode*)pStmt)) {
    case QUERY_NODE_RESTORE_DNODE_STMT:
      restoreReq.restoreType = RESTORE_TYPE__ALL;
      break;
    case QUERY_NODE_RESTORE_QNODE_STMT:
      restoreReq.restoreType = RESTORE_TYPE__QNODE;
      break;
    case QUERY_NODE_RESTORE_MNODE_STMT:
      restoreReq.restoreType = RESTORE_TYPE__MNODE;
      break;
    case QUERY_NODE_RESTORE_VNODE_STMT:
      restoreReq.restoreType = RESTORE_TYPE__VNODE;
      break;
    default:
      return -1;
  }
  return buildCmdMsg(pCxt, TDMT_MND_RESTORE_DNODE, (FSerializeFunc)tSerializeSRestoreDnodeReq, &restoreReq);
}


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static int32_t getSmaIndexDstVgId(STranslateContext* pCxt, const char* pDbName, const char* pTableName,
                                  int32_t* pVgId) {
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  SVgroupInfo vg = {0};
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  int32_t     code = getTableHashVgroup(pCxt, pDbName, pTableName, &vg);
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  if (TSDB_CODE_SUCCESS == code) {
    *pVgId = vg.vgId;
  }
  return code;
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}
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static int32_t getSmaIndexSql(STranslateContext* pCxt, char** pSql, int32_t* pLen) {
5583
  *pSql = taosStrdup(pCxt->pParseCxt->pSql);
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  if (NULL == *pSql) {
    return TSDB_CODE_OUT_OF_MEMORY;
  }
  *pLen = pCxt->pParseCxt->sqlLen + 1;
  return TSDB_CODE_SUCCESS;
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}

5591
static int32_t buildSampleAstInfoByIndex(STranslateContext* pCxt, SCreateIndexStmt* pStmt, SSampleAstInfo* pInfo) {
5592
  pInfo->createSmaIndex = true;
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  pInfo->pDbName = pStmt->dbName;
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  pInfo->pTableName = pStmt->tableName;
  pInfo->pFuncs = nodesCloneList(pStmt->pOptions->pFuncs);
  pInfo->pInterval = nodesCloneNode(pStmt->pOptions->pInterval);
  pInfo->pOffset = nodesCloneNode(pStmt->pOptions->pOffset);
  pInfo->pSliding = nodesCloneNode(pStmt->pOptions->pSliding);
  if (NULL == pInfo->pFuncs || NULL == pInfo->pInterval ||
      (NULL != pStmt->pOptions->pOffset && NULL == pInfo->pOffset) ||
      (NULL != pStmt->pOptions->pSliding && NULL == pInfo->pSliding)) {
    return TSDB_CODE_OUT_OF_MEMORY;
  }
  return TSDB_CODE_SUCCESS;
5605
}
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static int32_t getSmaIndexAst(STranslateContext* pCxt, SCreateIndexStmt* pStmt, char** pAst, int32_t* pLen,
                              char** pExpr, int32_t* pExprLen) {
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  SSampleAstInfo info = {0};
  int32_t        code = buildSampleAstInfoByIndex(pCxt, pStmt, &info);
  if (TSDB_CODE_SUCCESS == code) {
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    code = buildSampleAst(pCxt, &info, pAst, pLen, pExpr, pExprLen);
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  }
  clearSampleAstInfo(&info);
  return code;
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}

static int32_t buildCreateSmaReq(STranslateContext* pCxt, SCreateIndexStmt* pStmt, SMCreateSmaReq* pReq) {
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  SName name;
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  tNameExtractFullName(toName(pCxt->pParseCxt->acctId, pStmt->indexDbName, pStmt->indexName, &name), pReq->name);
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  memset(&name, 0, sizeof(SName));
  tNameExtractFullName(toName(pCxt->pParseCxt->acctId, pStmt->dbName, pStmt->tableName, &name), pReq->stb);
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  pReq->igExists = pStmt->ignoreExists;
  pReq->interval = ((SValueNode*)pStmt->pOptions->pInterval)->datum.i;
  pReq->intervalUnit = ((SValueNode*)pStmt->pOptions->pInterval)->unit;
  pReq->offset = (NULL != pStmt->pOptions->pOffset ? ((SValueNode*)pStmt->pOptions->pOffset)->datum.i : 0);
  pReq->sliding =
      (NULL != pStmt->pOptions->pSliding ? ((SValueNode*)pStmt->pOptions->pSliding)->datum.i : pReq->interval);
  pReq->slidingUnit =
      (NULL != pStmt->pOptions->pSliding ? ((SValueNode*)pStmt->pOptions->pSliding)->unit : pReq->intervalUnit);
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  int32_t code = TSDB_CODE_SUCCESS;
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  if (NULL != pStmt->pOptions->pStreamOptions) {
    SStreamOptions* pStreamOpt = (SStreamOptions*)pStmt->pOptions->pStreamOptions;
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    if (NULL != pStreamOpt->pDelay) {
      code = getTableMaxDelayOption(pCxt, (SValueNode*)pStreamOpt->pDelay, &pReq->maxDelay);
    } else {
      pReq->maxDelay = -1;
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    }
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    if (TSDB_CODE_SUCCESS == code) {
      if (NULL != pStreamOpt->pWatermark) {
        code = getTableWatermarkOption(pCxt, (SValueNode*)pStreamOpt->pWatermark, &pReq->watermark);
      } else {
        pReq->watermark = TSDB_DEFAULT_ROLLUP_WATERMARK;
      }
    }
    if (TSDB_CODE_SUCCESS == code) {
      if (NULL != pStreamOpt->pDeleteMark) {
        code = getTableDeleteMarkOption(pCxt, (SValueNode*)pStreamOpt->pDeleteMark, &pReq->deleteMark);
      } else {
        pReq->deleteMark = TSDB_DEFAULT_ROLLUP_DELETE_MARK;
      }
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    }
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  }
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  if (TSDB_CODE_SUCCESS == code) {
    code = getSmaIndexDstVgId(pCxt, pStmt->dbName, pStmt->tableName, &pReq->dstVgId);
  }
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  if (TSDB_CODE_SUCCESS == code) {
    code = getSmaIndexSql(pCxt, &pReq->sql, &pReq->sqlLen);
  }
  if (TSDB_CODE_SUCCESS == code) {
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    code = getSmaIndexAst(pCxt, pStmt, &pReq->ast, &pReq->astLen, &pReq->expr, &pReq->exprLen);
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  }

  return code;
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}

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static int32_t checkCreateSmaIndex(STranslateContext* pCxt, SCreateIndexStmt* pStmt) {
  SDbCfgInfo dbCfg = {0};
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  int32_t    code = getDBCfg(pCxt, pStmt->dbName, &dbCfg);
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  if (TSDB_CODE_SUCCESS == code && NULL != dbCfg.pRetensions) {
    code = generateSyntaxErrMsgExt(&pCxt->msgBuf, TSDB_CODE_PAR_INVALID_SMA_INDEX,
                                   "Tables configured with the 'ROLLUP' option do not support creating sma index");
  }
  if (TSDB_CODE_SUCCESS == code) {
    code = doTranslateValue(pCxt, (SValueNode*)pStmt->pOptions->pInterval);
  }
  if (TSDB_CODE_SUCCESS == code && NULL != pStmt->pOptions->pOffset) {
    code = doTranslateValue(pCxt, (SValueNode*)pStmt->pOptions->pOffset);
  }
  if (TSDB_CODE_SUCCESS == code && NULL != pStmt->pOptions->pSliding) {
    code = doTranslateValue(pCxt, (SValueNode*)pStmt->pOptions->pSliding);
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  }

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  return code;
}

static int32_t translateCreateSmaIndex(STranslateContext* pCxt, SCreateIndexStmt* pStmt) {
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  SMCreateSmaReq createSmaReq = {0};
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  int32_t        code = checkCreateSmaIndex(pCxt, pStmt);
  if (TSDB_CODE_SUCCESS == code) {
    code = buildCreateSmaReq(pCxt, pStmt, &createSmaReq);
  }
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  if (TSDB_CODE_SUCCESS == code) {
    code = buildCmdMsg(pCxt, TDMT_MND_CREATE_SMA, (FSerializeFunc)tSerializeSMCreateSmaReq, &createSmaReq);
  }
  tFreeSMCreateSmaReq(&createSmaReq);
  return code;
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}
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static int32_t buildCreateFullTextReq(STranslateContext* pCxt, SCreateIndexStmt* pStmt, SMCreateFullTextReq* pReq) {
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  // impl later
5704
  return TSDB_CODE_SUCCESS;
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}
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static int32_t buildCreateTagIndexReq(STranslateContext* pCxt, SCreateIndexStmt* pStmt, SCreateTagIndexReq* pReq) {
  SName name;
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  tNameExtractFullName(toName(pCxt->pParseCxt->acctId, pStmt->indexDbName, pStmt->indexName, &name), pReq->idxName);
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  memset(&name, 0, sizeof(SName));

  tNameExtractFullName(toName(pCxt->pParseCxt->acctId, pStmt->dbName, pStmt->tableName, &name), pReq->stbName);
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  memset(&name, 0, sizeof(SName));

  tNameSetDbName(&name, pCxt->pParseCxt->acctId, pStmt->dbName, strlen(pStmt->dbName));
  tNameGetFullDbName(&name, pReq->dbFName);
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  SNode* pNode = NULL;
  ASSERT(LIST_LENGTH(pStmt->pCols) == 1);
  FOREACH(pNode, pStmt->pCols) {
    SColumnNode* p = (SColumnNode*)pNode;
    memcpy(pReq->colName, p->colName, sizeof(p->colName));
  }

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  // impl later
  return TSDB_CODE_SUCCESS;
}

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static int32_t translateCreateFullTextIndex(STranslateContext* pCxt, SCreateIndexStmt* pStmt) {
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  SMCreateFullTextReq createFTReq = {0};
  int32_t             code = buildCreateFullTextReq(pCxt, pStmt, &createFTReq);
  if (TSDB_CODE_SUCCESS == code) {
    code = buildCmdMsg(pCxt, TDMT_MND_CREATE_INDEX, (FSerializeFunc)tSerializeSMCreateFullTextReq, &createFTReq);
  }
  tFreeSMCreateFullTextReq(&createFTReq);
  return code;
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}
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static int32_t translateCreateNormalIndex(STranslateContext* pCxt, SCreateIndexStmt* pStmt) {
  SCreateTagIndexReq createTagIdxReq = {0};
  int32_t            code = buildCreateTagIndexReq(pCxt, pStmt, &createTagIdxReq);
  if (TSDB_CODE_SUCCESS == code) {
    code = buildCmdMsg(pCxt, TDMT_MND_CREATE_INDEX, (FSerializeFunc)tSerializeSCreateTagIdxReq, &createTagIdxReq);
  }
  return code;
}

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static int32_t translateCreateIndex(STranslateContext* pCxt, SCreateIndexStmt* pStmt) {
5749
  if (INDEX_TYPE_FULLTEXT == pStmt->indexType) {
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    return translateCreateFullTextIndex(pCxt, pStmt);
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  } else if (INDEX_TYPE_NORMAL == pStmt->indexType) {
    return translateCreateNormalIndex(pCxt, pStmt);
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  }
5754
  return translateCreateSmaIndex(pCxt, pStmt);
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}

5757
static int32_t translateDropIndex(STranslateContext* pCxt, SDropIndexStmt* pStmt) {
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  SMDropSmaReq dropSmaReq = {0};
  SName        name;
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  tNameExtractFullName(toName(pCxt->pParseCxt->acctId, pStmt->indexDbName, pStmt->indexName, &name), dropSmaReq.name);
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  dropSmaReq.igNotExists = pStmt->ignoreNotExists;
  return buildCmdMsg(pCxt, TDMT_MND_DROP_SMA, (FSerializeFunc)tSerializeSMDropSmaReq, &dropSmaReq);
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}

static int16_t getCreateComponentNodeMsgType(ENodeType type) {
  switch (type) {
    case QUERY_NODE_CREATE_QNODE_STMT:
      return TDMT_MND_CREATE_QNODE;
    case QUERY_NODE_CREATE_BNODE_STMT:
      return TDMT_MND_CREATE_BNODE;
    case QUERY_NODE_CREATE_SNODE_STMT:
      return TDMT_MND_CREATE_SNODE;
    case QUERY_NODE_CREATE_MNODE_STMT:
      return TDMT_MND_CREATE_MNODE;
    default:
      break;
  }
  return -1;
}
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static int32_t translateCreateComponentNode(STranslateContext* pCxt, SCreateComponentNodeStmt* pStmt) {
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  SMCreateQnodeReq createReq = {.dnodeId = pStmt->dnodeId};
  return buildCmdMsg(pCxt, getCreateComponentNodeMsgType(nodeType(pStmt)),
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                     (FSerializeFunc)tSerializeSCreateDropMQSNodeReq, &createReq);
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}

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static int16_t getDropComponentNodeMsgType(ENodeType type) {
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  switch (type) {
    case QUERY_NODE_DROP_QNODE_STMT:
      return TDMT_MND_DROP_QNODE;
    case QUERY_NODE_DROP_BNODE_STMT:
      return TDMT_MND_DROP_BNODE;
    case QUERY_NODE_DROP_SNODE_STMT:
      return TDMT_MND_DROP_SNODE;
    case QUERY_NODE_DROP_MNODE_STMT:
      return TDMT_MND_DROP_MNODE;
    default:
      break;
  }
  return -1;
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}

static int32_t translateDropComponentNode(STranslateContext* pCxt, SDropComponentNodeStmt* pStmt) {
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  SDDropQnodeReq dropReq = {.dnodeId = pStmt->dnodeId};
  return buildCmdMsg(pCxt, getDropComponentNodeMsgType(nodeType(pStmt)),
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                     (FSerializeFunc)tSerializeSCreateDropMQSNodeReq, &dropReq);
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}

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static int32_t checkTopicQuery(STranslateContext* pCxt, SSelectStmt* pSelect) {
  if (pSelect->hasAggFuncs || pSelect->hasInterpFunc || pSelect->hasIndefiniteRowsFunc) {
    return generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_INVALID_TOPIC_QUERY);
  }
  return TSDB_CODE_SUCCESS;
}

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static int32_t buildCreateTopicReq(STranslateContext* pCxt, SCreateTopicStmt* pStmt, SCMCreateTopicReq* pReq) {
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  snprintf(pReq->name, sizeof(pReq->name), "%d.%s", pCxt->pParseCxt->acctId, pStmt->topicName);
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  pReq->igExists = pStmt->ignoreExists;
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  pReq->withMeta = pStmt->withMeta;
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  pReq->sql = taosStrdup(pCxt->pParseCxt->pSql);
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  if (NULL == pReq->sql) {
    return TSDB_CODE_OUT_OF_MEMORY;
  }

  int32_t code = TSDB_CODE_SUCCESS;
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  SName   name;
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  if ('\0' != pStmt->subSTbName[0]) {
    pReq->subType = TOPIC_SUB_TYPE__TABLE;
    toName(pCxt->pParseCxt->acctId, pStmt->subDbName, pStmt->subSTbName, &name);
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    tNameGetFullDbName(&name, pReq->subDbName);
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    tNameExtractFullName(&name, pReq->subStbName);
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    if(pStmt->pQuery != NULL) {
      code = nodesNodeToString(pStmt->pQuery, false, &pReq->ast, NULL);
    }
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  } else if ('\0' != pStmt->subDbName[0]) {
    pReq->subType = TOPIC_SUB_TYPE__DB;
    tNameSetDbName(&name, pCxt->pParseCxt->acctId, pStmt->subDbName, strlen(pStmt->subDbName));
    tNameGetFullDbName(&name, pReq->subDbName);
  } else {
    pReq->subType = TOPIC_SUB_TYPE__COLUMN;
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    char* dbName = ((SRealTableNode*)(((SSelectStmt*)pStmt->pQuery)->pFromTable))->table.dbName;
    tNameSetDbName(&name, pCxt->pParseCxt->acctId, dbName, strlen(dbName));
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    tNameGetFullDbName(&name, pReq->subDbName);
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    pCxt->pParseCxt->topicQuery = true;
    code = translateQuery(pCxt, pStmt->pQuery);
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    if (TSDB_CODE_SUCCESS == code) {
      code = checkTopicQuery(pCxt, (SSelectStmt*)pStmt->pQuery);
    }
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    if (TSDB_CODE_SUCCESS == code) {
      code = nodesNodeToString(pStmt->pQuery, false, &pReq->ast, NULL);
    }
  }

  return code;
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}

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static int32_t addTagList(SNodeList** ppList, SNode* pNode) {
  if (NULL == *ppList) {
    *ppList = nodesMakeList();
  }

  nodesListStrictAppend(*ppList, pNode);

  return TSDB_CODE_SUCCESS;
}

static EDealRes checkColumnTagsInCond(SNode* pNode, void* pContext) {
  SBuildTopicContext* pCxt = (SBuildTopicContext*)pContext;
  if (QUERY_NODE_COLUMN == nodeType(pNode)) {
    ETableColumnType type;
    getColumnTypeFromMeta(pCxt->pMeta, ((SColumnNode*)pNode)->colName, &type);
    if (type == TCOL_TYPE_COLUMN) {
      pCxt->colExists = true;
      return DEAL_RES_ERROR;
    } else if (type == TCOL_TYPE_TAG) {
      addTagList(&pCxt->pTags, nodesCloneNode(pNode));
    } else {
      pCxt->colNotFound = true;
      return DEAL_RES_ERROR;
    }
  } else if (QUERY_NODE_FUNCTION == nodeType(pNode)) {
    SFunctionNode* pFunc = (SFunctionNode*)pNode;
    if (0 == strcasecmp(pFunc->functionName, "tbname")) {
      addTagList(&pCxt->pTags, nodesCloneNode(pNode));
    }
  }
  
  return DEAL_RES_CONTINUE;
}

static int32_t checkCollectTopicTags(STranslateContext* pCxt, SCreateTopicStmt* pStmt, STableMeta* pMeta, SNodeList** ppProjection) {
  SBuildTopicContext colCxt = {.colExists = false, .colNotFound = false, .pMeta = pMeta, .pTags = NULL};
  nodesWalkExprPostOrder(pStmt->pWhere, checkColumnTagsInCond, &colCxt);
  if (colCxt.colNotFound) {
    nodesDestroyList(colCxt.pTags);
    return generateSyntaxErrMsgExt(&pCxt->msgBuf, TSDB_CODE_PAR_SYNTAX_ERROR, "Invalid column name");
  } else if (colCxt.colExists) {
    nodesDestroyList(colCxt.pTags);
    return generateSyntaxErrMsgExt(&pCxt->msgBuf, TSDB_CODE_PAR_SYNTAX_ERROR, "Columns are forbidden in where clause");
  }
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  if (NULL == colCxt.pTags) {   // put one column to select
//    for (int32_t i = 0; i < pMeta->tableInfo.numOfColumns; ++i) {
      SSchema* column = &pMeta->schema[0];
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      SColumnNode* col = (SColumnNode*)nodesMakeNode(QUERY_NODE_COLUMN);
5906
      strcpy(col->colName, column->name);
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      strcpy(col->node.aliasName, col->colName);
      strcpy(col->node.userAlias, col->colName);
      addTagList(&colCxt.pTags, (SNode*)col);
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//    }
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  }

  *ppProjection = colCxt.pTags;
  return TSDB_CODE_SUCCESS;
}

static int32_t buildQueryForTableTopic(STranslateContext* pCxt, SCreateTopicStmt* pStmt, SNode** pSelect) {
  SParseContext* pParCxt = pCxt->pParseCxt;
  SRequestConnInfo connInfo = {.pTrans = pParCxt->pTransporter, 
                               .requestId = pParCxt->requestId, 
                               .requestObjRefId = pParCxt->requestRid,
                               .mgmtEps = pParCxt->mgmtEpSet};
  SName name;          
  STableMeta* pMeta = NULL;
  int32_t code = getTableMetaImpl(pCxt, toName(pParCxt->acctId, pStmt->subDbName, pStmt->subSTbName, &name), &pMeta);
  if (code) {
    taosMemoryFree(pMeta);
    return code;
  }
  if (TSDB_SUPER_TABLE != pMeta->tableType) {
    taosMemoryFree(pMeta);
    return generateSyntaxErrMsgExt(&pCxt->msgBuf, TSDB_CODE_PAR_SYNTAX_ERROR, "Only supertable table can be used");
  }  

  SNodeList* pProjection = NULL;
  code = checkCollectTopicTags(pCxt, pStmt, pMeta, &pProjection);
  if (TSDB_CODE_SUCCESS == code) {
    SRealTableNode* realTable = (SRealTableNode*)nodesMakeNode(QUERY_NODE_REAL_TABLE);
    strcpy(realTable->table.dbName, pStmt->subDbName);
    strcpy(realTable->table.tableName, pStmt->subSTbName);
    strcpy(realTable->table.tableAlias, pStmt->subSTbName);
    *pSelect = createSelectStmtImpl(true, pProjection, (SNode*)realTable);
    ((SSelectStmt*)*pSelect)->pWhere = nodesCloneNode(pStmt->pWhere);
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    pCxt->pParseCxt->topicQuery = true;
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    code = translateQuery(pCxt, *pSelect);
  }

  taosMemoryFree(pMeta);
  return code;
}

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static int32_t checkCreateTopic(STranslateContext* pCxt, SCreateTopicStmt* pStmt) {
5953
  if (NULL == pStmt->pQuery && NULL == pStmt->pWhere) {
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    return TSDB_CODE_SUCCESS;
  }
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  if (pStmt->pWhere) {
    return buildQueryForTableTopic(pCxt, pStmt, &pStmt->pQuery);
  } else if (QUERY_NODE_SELECT_STMT == nodeType(pStmt->pQuery)) {
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    SSelectStmt* pSelect = (SSelectStmt*)pStmt->pQuery;
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    if (!pSelect->isDistinct &&
        (NULL != pSelect->pFromTable && QUERY_NODE_REAL_TABLE == nodeType(pSelect->pFromTable)) &&
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        NULL == pSelect->pGroupByList && NULL == pSelect->pLimit && NULL == pSelect->pSlimit &&
        NULL == pSelect->pOrderByList && NULL == pSelect->pPartitionByList) {
      return TSDB_CODE_SUCCESS;
    }
  }
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  return generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_INVALID_TOPIC_QUERY);
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}

static int32_t translateCreateTopic(STranslateContext* pCxt, SCreateTopicStmt* pStmt) {
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  SCMCreateTopicReq createReq = {0};
  int32_t           code = checkCreateTopic(pCxt, pStmt);
  if (TSDB_CODE_SUCCESS == code) {
    code = buildCreateTopicReq(pCxt, pStmt, &createReq);
  }
  if (TSDB_CODE_SUCCESS == code) {
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    code = buildCmdMsg(pCxt, TDMT_MND_TMQ_CREATE_TOPIC, (FSerializeFunc)tSerializeSCMCreateTopicReq, &createReq);
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  }
  tFreeSCMCreateTopicReq(&createReq);
  return code;
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}

static int32_t translateDropTopic(STranslateContext* pCxt, SDropTopicStmt* pStmt) {
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  SMDropTopicReq dropReq = {0};
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  SName name;
  tNameSetDbName(&name, pCxt->pParseCxt->acctId, pStmt->topicName, strlen(pStmt->topicName));
  tNameGetFullDbName(&name, dropReq.name);
  dropReq.igNotExists = pStmt->ignoreNotExists;
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  return buildCmdMsg(pCxt, TDMT_MND_TMQ_DROP_TOPIC, (FSerializeFunc)tSerializeSMDropTopicReq, &dropReq);
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}

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static int32_t translateDropCGroup(STranslateContext* pCxt, SDropCGroupStmt* pStmt) {
  SMDropCgroupReq dropReq = {0};

  SName name;
  tNameSetDbName(&name, pCxt->pParseCxt->acctId, pStmt->topicName, strlen(pStmt->topicName));
  tNameGetFullDbName(&name, dropReq.topic);
  dropReq.igNotExists = pStmt->ignoreNotExists;
  strcpy(dropReq.cgroup, pStmt->cgroup);

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  return buildCmdMsg(pCxt, TDMT_MND_TMQ_DROP_CGROUP, (FSerializeFunc)tSerializeSMDropCgroupReq, &dropReq);
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}

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static int32_t translateAlterLocal(STranslateContext* pCxt, SAlterLocalStmt* pStmt) {
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  // The statement is executed directly on the client without constructing a message.
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  if ('\0' != pStmt->value[0]) {
    return TSDB_CODE_SUCCESS;
  }
  char* p = strchr(pStmt->config, ' ');
  if (NULL != p) {
    *p = 0;
    strcpy(pStmt->value, p + 1);
  }
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  return TSDB_CODE_SUCCESS;
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}

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static int32_t translateExplain(STranslateContext* pCxt, SExplainStmt* pStmt) {
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  if (pStmt->analyze) {
    pCxt->pExplainOpt = pStmt->pOptions;
  }
  return translateQuery(pCxt, pStmt->pQuery);
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}

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static int32_t translateDescribe(STranslateContext* pCxt, SDescribeStmt* pStmt) {
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  return refreshGetTableMeta(pCxt, pStmt->dbName, pStmt->tableName, &pStmt->pMeta);
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}

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static int32_t translateCompactRange(STranslateContext* pCxt, SCompactDatabaseStmt* pStmt, SCompactDbReq* pReq) {
  SDbCfgInfo dbCfg = {0};
  int32_t    code = getDBCfg(pCxt, pStmt->dbName, &dbCfg);
  if (TSDB_CODE_SUCCESS == code && NULL != pStmt->pStart) {
    ((SValueNode*)pStmt->pStart)->node.resType.precision = dbCfg.precision;
    ((SValueNode*)pStmt->pStart)->node.resType.type = TSDB_DATA_TYPE_TIMESTAMP;
    code = doTranslateValue(pCxt, (SValueNode*)pStmt->pStart);
  }
  if (TSDB_CODE_SUCCESS == code && NULL != pStmt->pEnd) {
    ((SValueNode*)pStmt->pEnd)->node.resType.precision = dbCfg.precision;
    ((SValueNode*)pStmt->pEnd)->node.resType.type = TSDB_DATA_TYPE_TIMESTAMP;
    code = doTranslateValue(pCxt, (SValueNode*)pStmt->pEnd);
  }
  if (TSDB_CODE_SUCCESS == code) {
    pReq->timeRange.skey = NULL != pStmt->pStart ? ((SValueNode*)pStmt->pStart)->datum.i : INT64_MIN;
    pReq->timeRange.ekey = NULL != pStmt->pEnd ? ((SValueNode*)pStmt->pEnd)->datum.i : INT64_MAX;
  }
  return code;
}

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static int32_t translateCompact(STranslateContext* pCxt, SCompactDatabaseStmt* pStmt) {
  SCompactDbReq compactReq = {0};
  SName         name;
  tNameSetDbName(&name, pCxt->pParseCxt->acctId, pStmt->dbName, strlen(pStmt->dbName));
  tNameGetFullDbName(&name, compactReq.db);
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  int32_t code = translateCompactRange(pCxt, pStmt, &compactReq);
  if (TSDB_CODE_SUCCESS == code) {
    code = buildCmdMsg(pCxt, TDMT_MND_COMPACT_DB, (FSerializeFunc)tSerializeSCompactDbReq, &compactReq);
  }
  return code;
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}

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static int32_t translateKillConnection(STranslateContext* pCxt, SKillStmt* pStmt) {
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  SKillConnReq killReq = {0};
  killReq.connId = pStmt->targetId;
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  return buildCmdMsg(pCxt, TDMT_MND_KILL_CONN, (FSerializeFunc)tSerializeSKillConnReq, &killReq);
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}

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static int32_t translateKillQuery(STranslateContext* pCxt, SKillQueryStmt* pStmt) {
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  SKillQueryReq killReq = {0};
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  strcpy(killReq.queryStrId, pStmt->queryId);
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  return buildCmdMsg(pCxt, TDMT_MND_KILL_QUERY, (FSerializeFunc)tSerializeSKillQueryReq, &killReq);
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}

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static int32_t translateKillTransaction(STranslateContext* pCxt, SKillStmt* pStmt) {
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  SKillTransReq killReq = {0};
  killReq.transId = pStmt->targetId;
  return buildCmdMsg(pCxt, TDMT_MND_KILL_TRANS, (FSerializeFunc)tSerializeSKillTransReq, &killReq);
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}

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static bool crossTableWithoutAggOper(SSelectStmt* pSelect) {
  return NULL == pSelect->pWindow && !pSelect->hasAggFuncs && !pSelect->hasIndefiniteRowsFunc &&
         !pSelect->hasInterpFunc && TSDB_SUPER_TABLE == ((SRealTableNode*)pSelect->pFromTable)->pMeta->tableType &&
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         !hasPartitionByTbname(pSelect->pPartitionByList);
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}

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static bool crossTableWithUdaf(SSelectStmt* pSelect) {
  return pSelect->hasUdaf && TSDB_SUPER_TABLE == ((SRealTableNode*)pSelect->pFromTable)->pMeta->tableType &&
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         !hasPartitionByTbname(pSelect->pPartitionByList);
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}

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static int32_t checkCreateStream(STranslateContext* pCxt, SCreateStreamStmt* pStmt) {
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  if (NULL == pStmt->pQuery) {
    return TSDB_CODE_SUCCESS;
  }
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  if (QUERY_NODE_SELECT_STMT != nodeType(pStmt->pQuery) || NULL == ((SSelectStmt*)pStmt->pQuery)->pFromTable ||
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      QUERY_NODE_REAL_TABLE != nodeType(((SSelectStmt*)pStmt->pQuery)->pFromTable)) {
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    return generateSyntaxErrMsgExt(&pCxt->msgBuf, TSDB_CODE_PAR_INVALID_STREAM_QUERY, "Unsupported stream query");
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  }
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  return TSDB_CODE_SUCCESS;
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}

static void getSourceDatabase(SNode* pStmt, int32_t acctId, char* pDbFName) {
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  SName name = {.type = TSDB_DB_NAME_T, .acctId = acctId};
  strcpy(name.dbname, ((SRealTableNode*)(((SSelectStmt*)pStmt)->pFromTable))->table.dbName);
  tNameGetFullDbName(&name, pDbFName);
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}

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static void getStreamQueryFirstProjectAliasName(SHashObj* pUserAliasSet, char* aliasName, int32_t len) {
  if (NULL == taosHashGet(pUserAliasSet, "_wstart", strlen("_wstart"))) {
    snprintf(aliasName, len, "%s", "_wstart");
    return;
  }
  if (NULL == taosHashGet(pUserAliasSet, "ts", strlen("ts"))) {
    snprintf(aliasName, len, "%s", "ts");
    return;
  }
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  do {
    taosRandStr(aliasName, len - 1);
    aliasName[len - 1] = '\0';
  } while (NULL != taosHashGet(pUserAliasSet, aliasName, strlen(aliasName)));
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  return;
}

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static int32_t addWstartTsToCreateStreamQueryImpl(STranslateContext* pCxt, SSelectStmt* pSelect,
                                                  SHashObj* pUserAliasSet) {
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  SNode* pProj = nodesListGetNode(pSelect->pProjectionList, 0);
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  if (NULL == pSelect->pWindow ||
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      (QUERY_NODE_FUNCTION == nodeType(pProj) && 0 == strcmp("_wstart", ((SFunctionNode*)pProj)->functionName))) {
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    return TSDB_CODE_SUCCESS;
  }
  SFunctionNode* pFunc = (SFunctionNode*)nodesMakeNode(QUERY_NODE_FUNCTION);
  if (NULL == pFunc) {
    return TSDB_CODE_OUT_OF_MEMORY;
  }
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  strcpy(pFunc->functionName, "_wstart");
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  getStreamQueryFirstProjectAliasName(pUserAliasSet, pFunc->node.aliasName, sizeof(pFunc->node.aliasName));
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  int32_t code = getFuncInfo(pCxt, pFunc);
6142
  if (TSDB_CODE_SUCCESS == code) {
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    code = nodesListPushFront(pSelect->pProjectionList, (SNode*)pFunc);
  }
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  if (TSDB_CODE_SUCCESS != code) {
    nodesDestroyNode((SNode*)pFunc);
  }
  return code;
}

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static int32_t addWstartTsToCreateStreamQuery(STranslateContext* pCxt, SNode* pStmt) {
  SSelectStmt* pSelect = (SSelectStmt*)pStmt;
  SHashObj*    pUserAliasSet = NULL;
  int32_t      code = checkProjectAlias(pCxt, pSelect->pProjectionList, &pUserAliasSet);
  if (TSDB_CODE_SUCCESS == code) {
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    code = addWstartTsToCreateStreamQueryImpl(pCxt, pSelect, pUserAliasSet);
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  }
  taosHashCleanup(pUserAliasSet);
  return code;
}

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static const char* getTagNameForCreateStreamTag(SNode* pTag) {
  if (QUERY_NODE_COLUMN_DEF == nodeType(pTag)) {
    return ((SColumnDefNode*)pTag)->colName;
  }
  return ((SColumnNode*)pTag)->colName;
}

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static int32_t addTagsToCreateStreamQuery(STranslateContext* pCxt, SCreateStreamStmt* pStmt, SSelectStmt* pSelect) {
  if (NULL == pStmt->pTags) {
    return TSDB_CODE_SUCCESS;
  }

  SNode* pTag = NULL;
  FOREACH(pTag, pStmt->pTags) {
    bool   found = false;
    SNode* pPart = NULL;
    FOREACH(pPart, pSelect->pPartitionByList) {
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      if (0 == strcmp(getTagNameForCreateStreamTag(pTag), ((SExprNode*)pPart)->userAlias)) {
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        if (TSDB_CODE_SUCCESS != nodesListMakeStrictAppend(&pSelect->pTags, nodesCloneNode(pPart))) {
          return TSDB_CODE_OUT_OF_MEMORY;
        }
        found = true;
        break;
      }
    }
    if (!found) {
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      return generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_INVALID_COLUMN, ((SColumnDefNode*)pTag)->colName);
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    }
  }
  return TSDB_CODE_SUCCESS;
}

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static SNode* createNullValue() {
  SValueNode* pValue = (SValueNode*)nodesMakeNode(QUERY_NODE_VALUE);
  if (NULL == pValue) {
    return NULL;
  }
  pValue->isNull = true;
  pValue->node.resType.type = TSDB_DATA_TYPE_NULL;
  pValue->node.resType.bytes = tDataTypes[TSDB_DATA_TYPE_NULL].bytes;
  return (SNode*)pValue;
}

static int32_t addNullTagsForExistTable(STranslateContext* pCxt, STableMeta* pMeta, SSelectStmt* pSelect) {
  int32_t numOfTags = getNumOfTags(pMeta);
  int32_t code = TSDB_CODE_SUCCESS;
  for (int32_t i = 0; TSDB_CODE_SUCCESS == code && i < numOfTags; ++i) {
    code = nodesListMakeStrictAppend(&pSelect->pTags, createNullValue());
  }
  return code;
}

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typedef struct SRewriteSubtableCxt {
  STranslateContext* pCxt;
  SNodeList*         pPartitionList;
} SRewriteSubtableCxt;

static EDealRes rewriteSubtable(SNode** pNode, void* pContext) {
  if (QUERY_NODE_COLUMN == nodeType(*pNode)) {
    SRewriteSubtableCxt* pCxt = pContext;
    bool                 found = false;
    SNode*               pPart = NULL;
    FOREACH(pPart, pCxt->pPartitionList) {
      if (0 == strcmp(((SColumnNode*)*pNode)->colName, ((SExprNode*)pPart)->userAlias)) {
        SNode* pNew = nodesCloneNode(pPart);
        if (NULL == pNew) {
          pCxt->pCxt->errCode = TSDB_CODE_OUT_OF_MEMORY;
          return DEAL_RES_ERROR;
        }
        nodesDestroyNode(*pNode);
        *pNode = pNew;
        found = true;
        break;
      }
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    }
    if (!found) {
      return generateDealNodeErrMsg(pCxt->pCxt, TSDB_CODE_PAR_INVALID_COLUMN, ((SColumnNode*)*pNode)->colName);
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    }
    return DEAL_RES_IGNORE_CHILD;
  }
  return DEAL_RES_CONTINUE;
}

static int32_t addSubtableNameToCreateStreamQuery(STranslateContext* pCxt, SCreateStreamStmt* pStmt,
                                                  SSelectStmt* pSelect) {
  if (NULL == pStmt->pSubtable) {
    return TSDB_CODE_SUCCESS;
  }
  pSelect->pSubtable = nodesCloneNode(pStmt->pSubtable);
  if (NULL == pSelect->pSubtable) {
    return TSDB_CODE_OUT_OF_MEMORY;
  }
  SRewriteSubtableCxt cxt = {.pCxt = pCxt, .pPartitionList = pSelect->pPartitionByList};
  nodesRewriteExpr(&pSelect->pSubtable, rewriteSubtable, &cxt);
  return pCxt->errCode;
}

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static int32_t addNullTagsForCreateTable(STranslateContext* pCxt, SCreateStreamStmt* pStmt) {
  int32_t code = TSDB_CODE_SUCCESS;
  for (int32_t i = 0; TSDB_CODE_SUCCESS == code && i < LIST_LENGTH(pStmt->pTags); ++i) {
    code = nodesListMakeStrictAppend(&((SSelectStmt*)pStmt->pQuery)->pTags, createNullValue());
  }
  return code;
}

static int32_t addNullTagsToCreateStreamQuery(STranslateContext* pCxt, STableMeta* pMeta, SCreateStreamStmt* pStmt) {
  if (NULL == pMeta) {
    return addNullTagsForCreateTable(pCxt, pStmt);
  }
  return addNullTagsForExistTable(pCxt, pMeta, (SSelectStmt*)pStmt->pQuery);
}

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static int32_t addSubtableInfoToCreateStreamQuery(STranslateContext* pCxt, STableMeta* pMeta,
                                                  SCreateStreamStmt* pStmt) {
6276
  int32_t      code = TSDB_CODE_SUCCESS;
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  SSelectStmt* pSelect = (SSelectStmt*)pStmt->pQuery;
  if (NULL == pSelect->pPartitionByList) {
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    code = addNullTagsToCreateStreamQuery(pCxt, pMeta, pStmt);
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  } else {
    code = addTagsToCreateStreamQuery(pCxt, pStmt, pSelect);
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  }
  if (TSDB_CODE_SUCCESS == code) {
    code = addSubtableNameToCreateStreamQuery(pCxt, pStmt, pSelect);
  }

  return code;
}

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static bool isEventWindowQuery(SSelectStmt* pSelect) {
  return NULL != pSelect->pWindow && QUERY_NODE_EVENT_WINDOW == nodeType(pSelect->pWindow);
}

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static bool hasJsonTypeProjection(SSelectStmt* pSelect) {
  SNode* pProj = NULL;
  FOREACH(pProj, pSelect->pProjectionList) {
    if (TSDB_DATA_TYPE_JSON == ((SExprNode*)pProj)->resType.type) {
      return true;
    }
  }
  return false;
}

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static EDealRes hasColumnOrPseudoColumn(SNode* pNode, void* pContext) {
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  if (QUERY_NODE_COLUMN == nodeType(pNode)) {
    *(bool*)pContext = true;
    return DEAL_RES_END;
  }
  if (QUERY_NODE_FUNCTION == nodeType(pNode) && fmIsPseudoColumnFunc(((SFunctionNode*)pNode)->funcId)) {
    *(bool*)pContext = true;
    return DEAL_RES_END;
  }
  return DEAL_RES_CONTINUE;
}

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static int32_t subtableExprHasColumnOrPseudoColumn(SNode* pNode) {
  bool hasColumn = false;
  nodesWalkExprPostOrder(pNode, hasColumnOrPseudoColumn, &hasColumn);
  return hasColumn;
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}

6322 6323
static int32_t checkStreamQuery(STranslateContext* pCxt, SCreateStreamStmt* pStmt) {
  SSelectStmt* pSelect = (SSelectStmt*)pStmt->pQuery;
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  if (TSDB_DATA_TYPE_TIMESTAMP != ((SExprNode*)nodesListGetNode(pSelect->pProjectionList, 0))->resType.type ||
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      !pSelect->isTimeLineResult || crossTableWithoutAggOper(pSelect) || NULL != pSelect->pOrderByList ||
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      crossTableWithUdaf(pSelect) || isEventWindowQuery(pSelect) || hasJsonTypeProjection(pSelect)) {
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    return generateSyntaxErrMsgExt(&pCxt->msgBuf, TSDB_CODE_PAR_INVALID_STREAM_QUERY, "Unsupported stream query");
  }
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  if (NULL != pSelect->pSubtable && TSDB_DATA_TYPE_VARCHAR != ((SExprNode*)pSelect->pSubtable)->resType.type) {
    return generateSyntaxErrMsgExt(&pCxt->msgBuf, TSDB_CODE_PAR_INVALID_STREAM_QUERY,
                                   "SUBTABLE expression must be of VARCHAR type");
  }
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  if (NULL != pSelect->pSubtable && 0 == LIST_LENGTH(pSelect->pPartitionByList) && subtableExprHasColumnOrPseudoColumn(pSelect->pSubtable)) {
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    return generateSyntaxErrMsgExt(&pCxt->msgBuf, TSDB_CODE_PAR_INVALID_STREAM_QUERY,
                                   "SUBTABLE expression must not has column when no partition by clause");
  }

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  if (NULL == pSelect->pWindow && STREAM_TRIGGER_AT_ONCE != pStmt->pOptions->triggerType) {
    return generateSyntaxErrMsgExt(&pCxt->msgBuf, TSDB_CODE_PAR_INVALID_STREAM_QUERY,
                                   "The trigger mode of non window query can only be AT_ONCE");
  }
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  return TSDB_CODE_SUCCESS;
}

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static int32_t adjustDataTypeOfProjections(STranslateContext* pCxt, const STableMeta* pMeta, SNodeList* pProjections) {
  if (getNumOfColumns(pMeta) != LIST_LENGTH(pProjections)) {
    return generateSyntaxErrMsgExt(&pCxt->msgBuf, TSDB_CODE_PAR_INVALID_COLUMNS_NUM, "Illegal number of columns");
  }

  SSchema* pSchemas = getTableColumnSchema(pMeta);
  int32_t  index = 0;
  SNode*   pProj = NULL;
  FOREACH(pProj, pProjections) {
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    SSchema*  pSchema = pSchemas + index++;
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    SDataType dt = {.type = pSchema->type, .bytes = pSchema->bytes};
    if (!dataTypeEqual(&dt, &((SExprNode*)pProj)->resType)) {
      SNode*  pFunc = NULL;
      int32_t code = createCastFunc(pCxt, pProj, dt, &pFunc);
      if (TSDB_CODE_SUCCESS != code) {
        return code;
      }
      REPLACE_NODE(pFunc);
    }
  }

  return TSDB_CODE_SUCCESS;
}

typedef struct SProjColPos {
  int32_t colId;
  SNode*  pProj;
} SProjColPos;

static int32_t projColPosCompar(const void* l, const void* r) {
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  return ((SProjColPos*)l)->colId > ((SProjColPos*)r)->colId;
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}

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static void projColPosDelete(void* p) { nodesDestroyNode(((SProjColPos*)p)->pProj); }
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static int32_t addProjToProjColPos(STranslateContext* pCxt, const SSchema* pSchema, SNode* pProj, SArray* pProjColPos) {
  SNode* pNewProj = nodesCloneNode(pProj);
  if (NULL == pNewProj) {
    return TSDB_CODE_OUT_OF_MEMORY;
  }

  int32_t   code = TSDB_CODE_SUCCESS;
  SDataType dt = {.type = pSchema->type, .bytes = pSchema->bytes};
  if (!dataTypeEqual(&dt, &((SExprNode*)pNewProj)->resType)) {
    SNode* pFunc = NULL;
    code = createCastFunc(pCxt, pNewProj, dt, &pFunc);
    pNewProj = pFunc;
  }
  if (TSDB_CODE_SUCCESS == code) {
    SProjColPos pos = {.colId = pSchema->colId, .pProj = pNewProj};
    code = (NULL == taosArrayPush(pProjColPos, &pos) ? TSDB_CODE_OUT_OF_MEMORY : TSDB_CODE_SUCCESS);
  }
  if (TSDB_CODE_SUCCESS != code) {
    nodesDestroyNode(pNewProj);
  }
  return code;
}

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static int32_t setFillNullCols(SArray* pProjColPos, const STableMeta* pMeta, SCMCreateStreamReq* pReq) {
  int32_t numOfBoundCols = taosArrayGetSize(pProjColPos);
  pReq->fillNullCols = taosArrayInit(pMeta->tableInfo.numOfColumns - numOfBoundCols, sizeof(SColLocation));
  if (NULL == pReq->fillNullCols) {
    return TSDB_CODE_OUT_OF_MEMORY;
  }
  const SSchema* pSchemas = getTableColumnSchema(pMeta);
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  int32_t        indexOfBoundCols = 0;
  for (int32_t i = 0; i < pMeta->tableInfo.numOfColumns; ++i) {
    const SSchema* pSchema = pSchemas + i;
    if (indexOfBoundCols < numOfBoundCols) {
      SProjColPos* pPos = taosArrayGet(pProjColPos, indexOfBoundCols);
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      if (pSchema->colId == pPos->colId) {
6416 6417
        ++indexOfBoundCols;
        continue;
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      }
    }
6420 6421
    SColLocation colLoc = {.colId = pSchema->colId, .slotId = i, .type = pSchema->type};
    taosArrayPush(pReq->fillNullCols, &colLoc);
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  }
  return TSDB_CODE_SUCCESS;
}

static int32_t adjustOrderOfProjections(STranslateContext* pCxt, SNodeList* pCols, const STableMeta* pMeta,
                                        SNodeList** pProjections, SCMCreateStreamReq* pReq) {
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  if (LIST_LENGTH(pCols) != LIST_LENGTH(*pProjections)) {
    return generateSyntaxErrMsgExt(&pCxt->msgBuf, TSDB_CODE_PAR_INVALID_COLUMNS_NUM, "Illegal number of columns");
  }

  SArray* pProjColPos = taosArrayInit(LIST_LENGTH(pCols), sizeof(SProjColPos));
  if (NULL == pProjColPos) {
    return TSDB_CODE_OUT_OF_MEMORY;
  }

  int32_t code = TSDB_CODE_SUCCESS;
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  bool    hasPrimaryKey = false;
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  SNode*  pCol = NULL;
  SNode*  pProj = NULL;
  FORBOTH(pCol, pCols, pProj, *pProjections) {
6442
    const SSchema* pSchema = getNormalColSchema(pMeta, ((SColumnNode*)pCol)->colName);
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    if (NULL == pSchema) {
      code = generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_INVALID_COLUMN, ((SColumnNode*)pCol)->colName);
    }
    if (TSDB_CODE_SUCCESS == code) {
      code = addProjToProjColPos(pCxt, pSchema, pProj, pProjColPos);
    }
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    if (TSDB_CODE_SUCCESS != code) {
      break;
    }
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    if (PRIMARYKEY_TIMESTAMP_COL_ID == pSchema->colId) {
      hasPrimaryKey = true;
    }
  }

  if (TSDB_CODE_SUCCESS == code && !hasPrimaryKey) {
    code = generateSyntaxErrMsgExt(&pCxt->msgBuf, TSDB_CODE_PAR_INVALID_COLUMNS_NUM,
                                   "primary timestamp column can not be null");
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  }

  SNodeList* pNewProjections = NULL;
  if (TSDB_CODE_SUCCESS == code) {
    taosArraySort(pProjColPos, projColPosCompar);
    int32_t num = taosArrayGetSize(pProjColPos);
    pNewProjections = nodesMakeList();
    if (NULL == pNewProjections) {
      code = TSDB_CODE_OUT_OF_MEMORY;
    }
    for (int32_t i = 0; TSDB_CODE_SUCCESS == code && i < num; ++i) {
      SProjColPos* pPos = taosArrayGet(pProjColPos, i);
      code = nodesListStrictAppend(pNewProjections, pPos->pProj);
      pPos->pProj = NULL;
    }
  }

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  if (TSDB_CODE_SUCCESS == code && pMeta->tableInfo.numOfColumns > LIST_LENGTH(pCols)) {
    code = setFillNullCols(pProjColPos, pMeta, pReq);
  }

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  if (TSDB_CODE_SUCCESS == code) {
    taosArrayDestroy(pProjColPos);
    nodesDestroyList(*pProjections);
    *pProjections = pNewProjections;
  } else {
    taosArrayDestroyEx(pProjColPos, projColPosDelete);
    nodesDestroyList(pNewProjections);
  }

  return code;
}

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static int32_t adjustProjectionsForExistTable(STranslateContext* pCxt, SCreateStreamStmt* pStmt,
                                              const STableMeta* pMeta, SCMCreateStreamReq* pReq) {
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  SSelectStmt* pSelect = (SSelectStmt*)pStmt->pQuery;
  if (NULL == pStmt->pCols) {
    return adjustDataTypeOfProjections(pCxt, pMeta, pSelect->pProjectionList);
  }
6499
  return adjustOrderOfProjections(pCxt, pStmt->pCols, pMeta, &pSelect->pProjectionList, pReq);
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}

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static bool isGroupIdTagStream(const STableMeta* pMeta, SNodeList* pTags) {
  return (NULL == pTags && 1 == pMeta->tableInfo.numOfTags && TSDB_DATA_TYPE_UBIGINT == getTableTagSchema(pMeta)->type);
}

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static int32_t adjustDataTypeOfTags(STranslateContext* pCxt, const STableMeta* pMeta, SNodeList* pTags) {
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  if (isGroupIdTagStream(pMeta, pTags)) {
    return TSDB_CODE_SUCCESS;
  }

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  if (getNumOfTags(pMeta) != LIST_LENGTH(pTags)) {
    return generateSyntaxErrMsgExt(&pCxt->msgBuf, TSDB_CODE_PAR_INVALID_COLUMNS_NUM, "Illegal number of tags");
  }

  SSchema* pSchemas = getTableTagSchema(pMeta);
  int32_t  index = 0;
  SNode*   pTag = NULL;
  FOREACH(pTag, pTags) {
    SSchema*  pSchema = pSchemas + index++;
    SDataType dt = {.type = pSchema->type, .bytes = pSchema->bytes};
    if (!dataTypeEqual(&dt, &((SExprNode*)pTag)->resType)) {
      SNode*  pFunc = NULL;
      int32_t code = createCastFunc(pCxt, pTag, dt, &pFunc);
      if (TSDB_CODE_SUCCESS != code) {
        return code;
      }
      REPLACE_NODE(pFunc);
    }
  }

  return TSDB_CODE_SUCCESS;
}

static int32_t adjustOrderOfTags(STranslateContext* pCxt, SNodeList* pTags, const STableMeta* pMeta,
                                 SNodeList** pTagExprs, SCMCreateStreamReq* pReq) {
  if (LIST_LENGTH(pTags) != LIST_LENGTH(*pTagExprs)) {
    return generateSyntaxErrMsgExt(&pCxt->msgBuf, TSDB_CODE_PAR_INVALID_COLUMNS_NUM, "Illegal number of tags");
  }

  SArray* pTagPos = taosArrayInit(LIST_LENGTH(pTags), sizeof(SProjColPos));
  if (NULL == pTagPos) {
    return TSDB_CODE_OUT_OF_MEMORY;
  }

  int32_t code = TSDB_CODE_SUCCESS;
  SNode*  pTag = NULL;
  SNode*  pTagExpr = NULL;
  FORBOTH(pTag, pTags, pTagExpr, *pTagExprs) {
    const SSchema* pSchema = getTagSchema(pMeta, ((SColumnNode*)pTag)->colName);
    if (NULL == pSchema) {
      code = generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_INVALID_TAG_NAME, ((SColumnNode*)pTag)->colName);
    }
    if (TSDB_CODE_SUCCESS == code) {
      code = addProjToProjColPos(pCxt, pSchema, pTagExpr, pTagPos);
    }
    if (TSDB_CODE_SUCCESS != code) {
      break;
    }
  }

  SNodeList* pNewTagExprs = NULL;
  if (TSDB_CODE_SUCCESS == code) {
    taosArraySort(pTagPos, projColPosCompar);
    int32_t        indexOfBoundTags = 0;
    int32_t        numOfBoundTags = taosArrayGetSize(pTagPos);
    int32_t        numOfTags = getNumOfTags(pMeta);
    const SSchema* pTagsSchema = getTableTagSchema(pMeta);
    pNewTagExprs = nodesMakeList();
    if (NULL == pNewTagExprs) {
      code = TSDB_CODE_OUT_OF_MEMORY;
    }
    for (int32_t i = 0; TSDB_CODE_SUCCESS == code && i < numOfTags; ++i) {
      const SSchema* pTagSchema = pTagsSchema + i;
      if (indexOfBoundTags < numOfBoundTags) {
        SProjColPos* pPos = taosArrayGet(pTagPos, indexOfBoundTags);
        if (pPos->colId == pTagSchema->colId) {
          ++indexOfBoundTags;
          code = nodesListStrictAppend(pNewTagExprs, pPos->pProj);
          pPos->pProj = NULL;
          continue;
        }
      }
      code = nodesListStrictAppend(pNewTagExprs, createNullValue());
    }
  }

  if (TSDB_CODE_SUCCESS == code) {
    taosArrayDestroy(pTagPos);
    nodesDestroyList(*pTagExprs);
    *pTagExprs = pNewTagExprs;
  } else {
    taosArrayDestroyEx(pTagPos, projColPosDelete);
    nodesDestroyList(pNewTagExprs);
  }

  return code;
}

static int32_t adjustTagsForExistTable(STranslateContext* pCxt, SCreateStreamStmt* pStmt, const STableMeta* pMeta,
                                       SCMCreateStreamReq* pReq) {
  SSelectStmt* pSelect = (SSelectStmt*)pStmt->pQuery;
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  if (NULL == pSelect->pPartitionByList) {
    return TSDB_CODE_SUCCESS;
  }
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  if (NULL == pStmt->pTags) {
    return adjustDataTypeOfTags(pCxt, pMeta, pSelect->pTags);
  }
  return adjustOrderOfTags(pCxt, pStmt->pTags, pMeta, &pSelect->pTags, pReq);
}

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static int32_t adjustTagsForCreateTable(STranslateContext* pCxt, SCreateStreamStmt* pStmt, SCMCreateStreamReq* pReq) {
  SSelectStmt* pSelect = (SSelectStmt*)pStmt->pQuery;
  if (NULL == pSelect->pPartitionByList || NULL == pSelect->pTags) {
    return TSDB_CODE_SUCCESS;
  }

  SNode* pTagDef = NULL;
  SNode* pTagExpr = NULL;
  FORBOTH(pTagDef, pStmt->pTags, pTagExpr, pSelect->pTags) {
    SColumnDefNode* pDef = (SColumnDefNode*)pTagDef;
    if (!dataTypeEqual(&pDef->dataType, &((SExprNode*)pTagExpr)->resType)) {
      SNode*  pFunc = NULL;
      int32_t code = createCastFunc(pCxt, pTagExpr, pDef->dataType, &pFunc);
      if (TSDB_CODE_SUCCESS != code) {
        return code;
      }
      REPLACE_LIST2_NODE(pFunc);
    }
  }

  return TSDB_CODE_SUCCESS;
}

static int32_t adjustTags(STranslateContext* pCxt, SCreateStreamStmt* pStmt, const STableMeta* pMeta,
                          SCMCreateStreamReq* pReq) {
  if (NULL == pMeta) {
    return adjustTagsForCreateTable(pCxt, pStmt, pReq);
  }
  return adjustTagsForExistTable(pCxt, pStmt, pMeta, pReq);
}

static bool isTagDef(SNodeList* pTags) {
  if (NULL == pTags) {
    return false;
  }
  return QUERY_NODE_COLUMN_DEF == nodeType(nodesListGetNode(pTags, 0));
}

static bool isTagBound(SNodeList* pTags) {
  if (NULL == pTags) {
    return false;
  }
  return QUERY_NODE_COLUMN == nodeType(nodesListGetNode(pTags, 0));
}

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static int32_t translateStreamTargetTable(STranslateContext* pCxt, SCreateStreamStmt* pStmt, SCMCreateStreamReq* pReq,
                                          STableMeta** pMeta) {
  int32_t code = getTableMeta(pCxt, pStmt->targetDbName, pStmt->targetTabName, pMeta);
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  if (TSDB_CODE_PAR_TABLE_NOT_EXIST == code) {
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    if (NULL != pStmt->pCols || isTagBound(pStmt->pTags)) {
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      return generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_TABLE_NOT_EXIST, pStmt->targetTabName);
    }
6663
    pReq->createStb = STREAM_CREATE_STABLE_TRUE;
6664
    pReq->targetStbUid = 0;
6665
    return TSDB_CODE_SUCCESS;
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  } else if (TSDB_CODE_SUCCESS == code) {
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    if (isTagDef(pStmt->pTags)) {
      return generateSyntaxErrMsgExt(&pCxt->msgBuf, TSDB_CODE_PAR_INVALID_STREAM_QUERY, "Table already exist: %s",
                                     pStmt->targetTabName);
    }
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    if (TSDB_SUPER_TABLE != (*pMeta)->tableType) {
      return generateSyntaxErrMsgExt(&pCxt->msgBuf, TSDB_CODE_PAR_INVALID_STREAM_QUERY,
                                     "Stream can only be written to super table");
    }
6675
    pReq->createStb = STREAM_CREATE_STABLE_FALSE;
6676
    pReq->targetStbUid = (*pMeta)->suid;
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  }
  return code;
}

6681
static int32_t buildCreateStreamQuery(STranslateContext* pCxt, SCreateStreamStmt* pStmt, SCMCreateStreamReq* pReq) {
6682
  pCxt->createStream = true;
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  STableMeta* pMeta = NULL;
  int32_t     code = translateStreamTargetTable(pCxt, pStmt, pReq, &pMeta);
6685
  if (TSDB_CODE_SUCCESS == code) {
6686
    code = addSubtableInfoToCreateStreamQuery(pCxt, pMeta, pStmt);
6687 6688 6689
  }
  if (TSDB_CODE_SUCCESS == code) {
    code = translateQuery(pCxt, pStmt->pQuery);
6690
  }
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  if (TSDB_CODE_SUCCESS == code) {
6692
    code = addWstartTsToCreateStreamQuery(pCxt, pStmt->pQuery);
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  }
6694
  if (TSDB_CODE_SUCCESS == code) {
6695
    code = checkStreamQuery(pCxt, pStmt);
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  }
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  if (TSDB_CODE_SUCCESS == code && NULL != pMeta) {
    code = adjustProjectionsForExistTable(pCxt, pStmt, pMeta, pReq);
  }
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  if (TSDB_CODE_SUCCESS == code) {
    code = adjustTags(pCxt, pStmt, pMeta, pReq);
6702
  }
6703
  if (TSDB_CODE_SUCCESS == code) {
6704 6705
    getSourceDatabase(pStmt->pQuery, pCxt->pParseCxt->acctId, pReq->sourceDB);
    code = nodesNodeToString(pStmt->pQuery, false, &pReq->ast, NULL);
6706
  }
6707
  taosMemoryFree(pMeta);
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  return code;
}

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static int32_t translateStreamOptions(STranslateContext* pCxt, SCreateStreamStmt* pStmt) {
  pCxt->pCurrStmt = (SNode*)pStmt;
  SStreamOptions* pOptions = pStmt->pOptions;
  if ((NULL != pOptions->pWatermark && (DEAL_RES_ERROR == translateValue(pCxt, (SValueNode*)pOptions->pWatermark))) ||
      (NULL != pOptions->pDeleteMark && (DEAL_RES_ERROR == translateValue(pCxt, (SValueNode*)pOptions->pDeleteMark))) ||
      (NULL != pOptions->pDelay && (DEAL_RES_ERROR == translateValue(pCxt, (SValueNode*)pOptions->pDelay)))) {
    return pCxt->errCode;
  }
  return TSDB_CODE_SUCCESS;
}

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static int32_t buildCreateStreamReq(STranslateContext* pCxt, SCreateStreamStmt* pStmt, SCMCreateStreamReq* pReq) {
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  pReq->igExists = pStmt->ignoreExists;

  SName name;
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  tNameSetDbName(&name, pCxt->pParseCxt->acctId, pStmt->streamName, strlen(pStmt->streamName));
  tNameGetFullDbName(&name, pReq->name);
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  if ('\0' != pStmt->targetTabName[0]) {
    strcpy(name.dbname, pStmt->targetDbName);
    strcpy(name.tname, pStmt->targetTabName);
    tNameExtractFullName(&name, pReq->targetStbFullName);
  }

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  int32_t code = buildCreateStreamQuery(pCxt, pStmt, pReq);
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  if (TSDB_CODE_SUCCESS == code) {
6737
    pReq->sql = taosStrdup(pCxt->pParseCxt->pSql);
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    if (NULL == pReq->sql) {
      code = TSDB_CODE_OUT_OF_MEMORY;
    }
  }

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  if (TSDB_CODE_SUCCESS == code) {
    code = translateStreamOptions(pCxt, pStmt);
  }

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  if (TSDB_CODE_SUCCESS == code) {
    pReq->triggerType = pStmt->pOptions->triggerType;
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    pReq->maxDelay = (NULL != pStmt->pOptions->pDelay ? ((SValueNode*)pStmt->pOptions->pDelay)->datum.i : 0);
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    pReq->watermark = (NULL != pStmt->pOptions->pWatermark ? ((SValueNode*)pStmt->pOptions->pWatermark)->datum.i : 0);
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    pReq->deleteMark =
        (NULL != pStmt->pOptions->pDeleteMark ? ((SValueNode*)pStmt->pOptions->pDeleteMark)->datum.i : 0);
6753
    pReq->fillHistory = pStmt->pOptions->fillHistory;
6754
    pReq->igExpired = pStmt->pOptions->ignoreExpired;
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    if (pReq->createStb) {
      columnDefNodeToField(pStmt->pTags, &pReq->pTags);
      pReq->numOfTags = LIST_LENGTH(pStmt->pTags);
    }
6759
    pReq->igUpdate = pStmt->pOptions->ignoreUpdate;
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  }

  return code;
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}

static int32_t translateCreateStream(STranslateContext* pCxt, SCreateStreamStmt* pStmt) {
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  SCMCreateStreamReq createReq = {0};
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  int32_t code = checkCreateStream(pCxt, pStmt);
  if (TSDB_CODE_SUCCESS == code) {
    code = buildCreateStreamReq(pCxt, pStmt, &createReq);
  }
  if (TSDB_CODE_SUCCESS == code) {
    code = buildCmdMsg(pCxt, TDMT_MND_CREATE_STREAM, (FSerializeFunc)tSerializeSCMCreateStreamReq, &createReq);
  }
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  tFreeSCMCreateStreamReq(&createReq);
  return code;
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}

static int32_t translateDropStream(STranslateContext* pCxt, SDropStreamStmt* pStmt) {
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  SMDropStreamReq dropReq = {0};
  SName           name;
  tNameSetDbName(&name, pCxt->pParseCxt->acctId, pStmt->streamName, strlen(pStmt->streamName));
  tNameGetFullDbName(&name, dropReq.name);
  dropReq.igNotExists = pStmt->ignoreNotExists;
  return buildCmdMsg(pCxt, TDMT_MND_DROP_STREAM, (FSerializeFunc)tSerializeSMDropStreamReq, &dropReq);
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}
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static int32_t translatePauseStream(STranslateContext* pCxt, SPauseStreamStmt* pStmt) {
  SMPauseStreamReq req = {0};
  SName            name;
  tNameSetDbName(&name, pCxt->pParseCxt->acctId, pStmt->streamName, strlen(pStmt->streamName));
  tNameGetFullDbName(&name, req.name);
  req.igNotExists = pStmt->ignoreNotExists;
  return buildCmdMsg(pCxt, TDMT_MND_PAUSE_STREAM, (FSerializeFunc)tSerializeSMPauseStreamReq, &req);
}

static int32_t translateResumeStream(STranslateContext* pCxt, SResumeStreamStmt* pStmt) {
  SMResumeStreamReq req = {0};
  SName             name;
  tNameSetDbName(&name, pCxt->pParseCxt->acctId, pStmt->streamName, strlen(pStmt->streamName));
  tNameGetFullDbName(&name, req.name);
  req.igNotExists = pStmt->ignoreNotExists;
  req.igUntreated = pStmt->ignoreUntreated;
  return buildCmdMsg(pCxt, TDMT_MND_RESUME_STREAM, (FSerializeFunc)tSerializeSMResumeStreamReq, &req);
}

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static int32_t readFromFile(char* pName, int32_t* len, char** buf) {
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  int64_t filesize = 0;
  if (taosStatFile(pName, &filesize, NULL) < 0) {
    return TAOS_SYSTEM_ERROR(errno);
  }

  *len = filesize;

  if (*len <= 0) {
    return TSDB_CODE_TSC_FILE_EMPTY;
  }

  *buf = taosMemoryCalloc(1, *len);
  if (*buf == NULL) {
    return TSDB_CODE_OUT_OF_MEMORY;
  }

  TdFilePtr tfile = taosOpenFile(pName, O_RDONLY | O_BINARY);
  if (NULL == tfile) {
    taosMemoryFreeClear(*buf);
    return TAOS_SYSTEM_ERROR(errno);
  }

  int64_t s = taosReadFile(tfile, *buf, *len);
  if (s != *len) {
    taosCloseFile(&tfile);
    taosMemoryFreeClear(*buf);
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    return TSDB_CODE_APP_ERROR;
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  }
  taosCloseFile(&tfile);
  return TSDB_CODE_SUCCESS;
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}

static int32_t translateCreateFunction(STranslateContext* pCxt, SCreateFunctionStmt* pStmt) {
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  if (fmIsBuiltinFunc(pStmt->funcName)) {
    return generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_INVALID_FUNCTION_NAME);
  }
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  if (TSDB_DATA_TYPE_JSON == pStmt->outputDt.type || TSDB_DATA_TYPE_VARBINARY == pStmt->outputDt.type ||
      TSDB_DATA_TYPE_DECIMAL == pStmt->outputDt.type || TSDB_DATA_TYPE_BLOB == pStmt->outputDt.type ||
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      TSDB_DATA_TYPE_MEDIUMBLOB == pStmt->outputDt.type) {
    return generateSyntaxErrMsgExt(&pCxt->msgBuf, TSDB_CODE_PAR_SYNTAX_ERROR, "Unsupported output type for UDF");
  }

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  if (!pStmt->isAgg && pStmt->bufSize > 0) {
    return generateSyntaxErrMsgExt(&pCxt->msgBuf, TSDB_CODE_PAR_SYNTAX_ERROR, "BUFSIZE can only be used with UDAF");
  }

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  SCreateFuncReq req = {0};
  strcpy(req.name, pStmt->funcName);
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  req.orReplace = pStmt->orReplace;
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  req.igExists = pStmt->ignoreExists;
  req.funcType = pStmt->isAgg ? TSDB_FUNC_TYPE_AGGREGATE : TSDB_FUNC_TYPE_SCALAR;
6861
  req.scriptType = pStmt->language;
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  req.outputType = pStmt->outputDt.type;
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  pStmt->outputDt.bytes = calcTypeBytes(pStmt->outputDt);
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  req.outputLen = pStmt->outputDt.bytes;
  req.bufSize = pStmt->bufSize;
  int32_t code = readFromFile(pStmt->libraryPath, &req.codeLen, &req.pCode);
  if (TSDB_CODE_SUCCESS == code) {
    code = buildCmdMsg(pCxt, TDMT_MND_CREATE_FUNC, (FSerializeFunc)tSerializeSCreateFuncReq, &req);
  }
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  tFreeSCreateFuncReq(&req);
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  return code;
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}

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static int32_t translateDropFunction(STranslateContext* pCxt, SDropFunctionStmt* pStmt) {
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  SDropFuncReq req = {0};
  strcpy(req.name, pStmt->funcName);
  req.igNotExists = pStmt->ignoreNotExists;
  return buildCmdMsg(pCxt, TDMT_MND_DROP_FUNC, (FSerializeFunc)tSerializeSDropFuncReq, &req);
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}

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static int32_t createRealTableForGrantTable(SGrantStmt* pStmt, SRealTableNode** pTable) {
  SRealTableNode* pRealTable = (SRealTableNode*)nodesMakeNode(QUERY_NODE_REAL_TABLE);
  if (NULL == pRealTable) {
    return TSDB_CODE_OUT_OF_MEMORY;
  }
  strcpy(pRealTable->table.dbName, pStmt->objName);
  strcpy(pRealTable->table.tableName, pStmt->tabName);
  strcpy(pRealTable->table.tableAlias, pStmt->tabName);
  *pTable = pRealTable;
  return TSDB_CODE_SUCCESS;
}

static int32_t translateGrantTagCond(STranslateContext* pCxt, SGrantStmt* pStmt, SAlterUserReq* pReq) {
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  SRealTableNode* pTable = NULL;
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  if ('\0' == pStmt->tabName[0] || '*' == pStmt->tabName[0]) {
    if (pStmt->pTagCond) {
      return generateSyntaxErrMsgExt(&pCxt->msgBuf, TSDB_CODE_PAR_SYNTAX_ERROR,
                                     "The With clause can only be used for table level privilege");
    } else {
      return TSDB_CODE_SUCCESS;
    }
  }

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  int32_t         code = createRealTableForGrantTable(pStmt, &pTable);
  if (TSDB_CODE_SUCCESS == code) {
    SName name;
    code = getTableMetaImpl(pCxt, toName(pCxt->pParseCxt->acctId, pTable->table.dbName, pTable->table.tableName, &name),
                            &(pTable->pMeta));
    if (code) {
      nodesDestroyNode((SNode*)pTable);
      return code;
    }

    if (TSDB_SUPER_TABLE != pTable->pMeta->tableType && TSDB_NORMAL_TABLE != pTable->pMeta->tableType) {
      nodesDestroyNode((SNode*)pTable);
      return generateSyntaxErrMsgExt(&pCxt->msgBuf, TSDB_CODE_PAR_SYNTAX_ERROR,
                                     "Only supertable and normal table can be granted");
    }
  }

  if (TSDB_CODE_SUCCESS == code && NULL == pStmt->pTagCond) {
    nodesDestroyNode((SNode*)pTable);
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    return TSDB_CODE_SUCCESS;
  }

  pCxt->pCurrStmt = (SNode*)pStmt;
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  if (TSDB_CODE_SUCCESS == code) {
    code = addNamespace(pCxt, pTable);
  }
  if (TSDB_CODE_SUCCESS == code) {
    code = translateExpr(pCxt, &pStmt->pTagCond);
  }
  if (TSDB_CODE_SUCCESS == code) {
    code = nodesNodeToString(pStmt->pTagCond, false, &pReq->tagCond, &pReq->tagCondLen);
  }
  nodesDestroyNode((SNode*)pTable);
  return code;
}

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static int32_t translateGrant(STranslateContext* pCxt, SGrantStmt* pStmt) {
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  SAlterUserReq req = {0};
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  if (BIT_FLAG_TEST_MASK(pStmt->privileges, PRIVILEGE_TYPE_ALL) ||
      (BIT_FLAG_TEST_MASK(pStmt->privileges, PRIVILEGE_TYPE_READ) &&
       BIT_FLAG_TEST_MASK(pStmt->privileges, PRIVILEGE_TYPE_WRITE))) {
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    req.alterType = ('\0' == pStmt->tabName[0] ? TSDB_ALTER_USER_ADD_ALL_DB : TSDB_ALTER_USER_ADD_ALL_TABLE);
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  } else if (BIT_FLAG_TEST_MASK(pStmt->privileges, PRIVILEGE_TYPE_READ)) {
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    req.alterType = ('\0' == pStmt->tabName[0] ? TSDB_ALTER_USER_ADD_READ_DB : TSDB_ALTER_USER_ADD_READ_TABLE);
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  } else if (BIT_FLAG_TEST_MASK(pStmt->privileges, PRIVILEGE_TYPE_WRITE)) {
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    req.alterType = ('\0' == pStmt->tabName[0] ? TSDB_ALTER_USER_ADD_WRITE_DB : TSDB_ALTER_USER_ADD_WRITE_TABLE);
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  } else if (BIT_FLAG_TEST_MASK(pStmt->privileges, PRIVILEGE_TYPE_SUBSCRIBE)) {
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    req.alterType = TSDB_ALTER_USER_ADD_SUBSCRIBE_TOPIC;
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  }
  strcpy(req.user, pStmt->userName);
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  sprintf(req.objname, "%d.%s", pCxt->pParseCxt->acctId, pStmt->objName);
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  sprintf(req.tabName, "%s", pStmt->tabName);
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  int32_t code = translateGrantTagCond(pCxt, pStmt, &req);
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  if (TSDB_CODE_SUCCESS == code) {
    code = buildCmdMsg(pCxt, TDMT_MND_ALTER_USER, (FSerializeFunc)tSerializeSAlterUserReq, &req);
  }
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  tFreeSAlterUserReq(&req);
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  return code;
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}

static int32_t translateRevoke(STranslateContext* pCxt, SRevokeStmt* pStmt) {
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  SAlterUserReq req = {0};
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  if (BIT_FLAG_TEST_MASK(pStmt->privileges, PRIVILEGE_TYPE_ALL) ||
      (BIT_FLAG_TEST_MASK(pStmt->privileges, PRIVILEGE_TYPE_READ) &&
       BIT_FLAG_TEST_MASK(pStmt->privileges, PRIVILEGE_TYPE_WRITE))) {
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    req.alterType = ('\0' == pStmt->tabName[0] ? TSDB_ALTER_USER_REMOVE_ALL_DB : TSDB_ALTER_USER_REMOVE_ALL_TABLE);
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  } else if (BIT_FLAG_TEST_MASK(pStmt->privileges, PRIVILEGE_TYPE_READ)) {
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    req.alterType = ('\0' == pStmt->tabName[0] ? TSDB_ALTER_USER_REMOVE_READ_DB : TSDB_ALTER_USER_REMOVE_READ_TABLE);
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  } else if (BIT_FLAG_TEST_MASK(pStmt->privileges, PRIVILEGE_TYPE_WRITE)) {
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    req.alterType = ('\0' == pStmt->tabName[0] ? TSDB_ALTER_USER_REMOVE_WRITE_DB : TSDB_ALTER_USER_REMOVE_WRITE_TABLE);
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  } else if (BIT_FLAG_TEST_MASK(pStmt->privileges, PRIVILEGE_TYPE_SUBSCRIBE)) {
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    req.alterType = TSDB_ALTER_USER_REMOVE_SUBSCRIBE_TOPIC;
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  }
  strcpy(req.user, pStmt->userName);
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  sprintf(req.objname, "%d.%s", pCxt->pParseCxt->acctId, pStmt->objName);
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  sprintf(req.tabName, "%s", pStmt->tabName);
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  return buildCmdMsg(pCxt, TDMT_MND_ALTER_USER, (FSerializeFunc)tSerializeSAlterUserReq, &req);
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}

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static int32_t translateBalanceVgroup(STranslateContext* pCxt, SBalanceVgroupStmt* pStmt) {
  SBalanceVgroupReq req = {0};
  return buildCmdMsg(pCxt, TDMT_MND_BALANCE_VGROUP, (FSerializeFunc)tSerializeSBalanceVgroupReq, &req);
}

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static int32_t translateBalanceVgroupLeader(STranslateContext* pCxt, SBalanceVgroupLeaderStmt* pStmt) {
  SBalanceVgroupLeaderReq req = {0};
  return buildCmdMsg(pCxt, TDMT_MND_BALANCE_VGROUP_LEADER, (FSerializeFunc)tSerializeSBalanceVgroupLeaderReq, &req);
}

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static int32_t translateMergeVgroup(STranslateContext* pCxt, SMergeVgroupStmt* pStmt) {
  SMergeVgroupReq req = {.vgId1 = pStmt->vgId1, .vgId2 = pStmt->vgId2};
  return buildCmdMsg(pCxt, TDMT_MND_MERGE_VGROUP, (FSerializeFunc)tSerializeSMergeVgroupReq, &req);
}

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static int32_t checkDnodeIds(STranslateContext* pCxt, SRedistributeVgroupStmt* pStmt) {
  int32_t numOfDnodes = LIST_LENGTH(pStmt->pDnodes);
  if (numOfDnodes > 3 || numOfDnodes < 1) {
    return generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_INVALID_REDISTRIBUTE_VG);
  }

  SNode* pNode = NULL;
  FOREACH(pNode, pStmt->pDnodes) {
    SValueNode* pVal = (SValueNode*)pNode;
    if (DEAL_RES_ERROR == translateValue(pCxt, pVal)) {
      return pCxt->errCode;
    }
  }

  pStmt->dnodeId1 = getBigintFromValueNode((SValueNode*)nodesListGetNode(pStmt->pDnodes, 0));
  pStmt->dnodeId2 = -1;
  pStmt->dnodeId3 = -1;
  if (numOfDnodes > 1) {
    pStmt->dnodeId2 = getBigintFromValueNode((SValueNode*)nodesListGetNode(pStmt->pDnodes, 1));
  }
  if (numOfDnodes > 2) {
    pStmt->dnodeId3 = getBigintFromValueNode((SValueNode*)nodesListGetNode(pStmt->pDnodes, 2));
  }

  return TSDB_CODE_SUCCESS;
}

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static int32_t translateRedistributeVgroup(STranslateContext* pCxt, SRedistributeVgroupStmt* pStmt) {
  SRedistributeVgroupReq req = {.vgId = pStmt->vgId};
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  int32_t                code = checkDnodeIds(pCxt, pStmt);
  if (TSDB_CODE_SUCCESS == code) {
    req.dnodeId1 = pStmt->dnodeId1;
    req.dnodeId2 = pStmt->dnodeId2;
    req.dnodeId3 = pStmt->dnodeId3;
    code = buildCmdMsg(pCxt, TDMT_MND_REDISTRIBUTE_VGROUP, (FSerializeFunc)tSerializeSRedistributeVgroupReq, &req);
  }
  return code;
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}

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static int32_t translateSplitVgroup(STranslateContext* pCxt, SSplitVgroupStmt* pStmt) {
  SSplitVgroupReq req = {.vgId = pStmt->vgId};
  return buildCmdMsg(pCxt, TDMT_MND_SPLIT_VGROUP, (FSerializeFunc)tSerializeSSplitVgroupReq, &req);
}

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static int32_t translateShowVariables(STranslateContext* pCxt, SShowStmt* pStmt) {
  SShowVariablesReq req = {0};
  return buildCmdMsg(pCxt, TDMT_MND_SHOW_VARIABLES, (FSerializeFunc)tSerializeSShowVariablesReq, &req);
}

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static int32_t translateShowCreateDatabase(STranslateContext* pCxt, SShowCreateDatabaseStmt* pStmt) {
  pStmt->pCfg = taosMemoryCalloc(1, sizeof(SDbCfgInfo));
  if (NULL == pStmt->pCfg) {
    return TSDB_CODE_OUT_OF_MEMORY;
  }
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  SName name;
  tNameSetDbName(&name, pCxt->pParseCxt->acctId, pStmt->dbName, strlen(pStmt->dbName));
  tNameGetFullDbName(&name, pStmt->dbFName);
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  return getDBCfg(pCxt, pStmt->dbName, (SDbCfgInfo*)pStmt->pCfg);
}

static int32_t translateShowCreateTable(STranslateContext* pCxt, SShowCreateTableStmt* pStmt) {
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  pStmt->pDbCfg = taosMemoryCalloc(1, sizeof(SDbCfgInfo));
  if (NULL == pStmt->pDbCfg) {
    return TSDB_CODE_OUT_OF_MEMORY;
  }
  int32_t code = getDBCfg(pCxt, pStmt->dbName, (SDbCfgInfo*)pStmt->pDbCfg);
  if (TSDB_CODE_SUCCESS == code) {
    SName name;
    toName(pCxt->pParseCxt->acctId, pStmt->dbName, pStmt->tableName, &name);
    code = getTableCfg(pCxt, &name, (STableCfg**)&pStmt->pTableCfg);
  }
  return code;
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}

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static int32_t translateQuery(STranslateContext* pCxt, SNode* pNode) {
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  int32_t code = TSDB_CODE_SUCCESS;
  switch (nodeType(pNode)) {
    case QUERY_NODE_SELECT_STMT:
      code = translateSelect(pCxt, (SSelectStmt*)pNode);
      break;
    case QUERY_NODE_SET_OPERATOR:
      code = translateSetOperator(pCxt, (SSetOperator*)pNode);
      break;
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    case QUERY_NODE_DELETE_STMT:
      code = translateDelete(pCxt, (SDeleteStmt*)pNode);
      break;
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    case QUERY_NODE_INSERT_STMT:
      code = translateInsert(pCxt, (SInsertStmt*)pNode);
      break;
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    case QUERY_NODE_CREATE_DATABASE_STMT:
      code = translateCreateDatabase(pCxt, (SCreateDatabaseStmt*)pNode);
      break;
    case QUERY_NODE_DROP_DATABASE_STMT:
      code = translateDropDatabase(pCxt, (SDropDatabaseStmt*)pNode);
      break;
    case QUERY_NODE_ALTER_DATABASE_STMT:
      code = translateAlterDatabase(pCxt, (SAlterDatabaseStmt*)pNode);
      break;
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    case QUERY_NODE_TRIM_DATABASE_STMT:
      code = translateTrimDatabase(pCxt, (STrimDatabaseStmt*)pNode);
      break;
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    case QUERY_NODE_CREATE_TABLE_STMT:
      code = translateCreateSuperTable(pCxt, (SCreateTableStmt*)pNode);
      break;
    case QUERY_NODE_DROP_TABLE_STMT:
      code = translateDropTable(pCxt, (SDropTableStmt*)pNode);
      break;
    case QUERY_NODE_DROP_SUPER_TABLE_STMT:
      code = translateDropSuperTable(pCxt, (SDropSuperTableStmt*)pNode);
      break;
    case QUERY_NODE_ALTER_TABLE_STMT:
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    case QUERY_NODE_ALTER_SUPER_TABLE_STMT:
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      code = translateAlterSuperTable(pCxt, (SAlterTableStmt*)pNode);
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      break;
    case QUERY_NODE_CREATE_USER_STMT:
      code = translateCreateUser(pCxt, (SCreateUserStmt*)pNode);
      break;
    case QUERY_NODE_ALTER_USER_STMT:
      code = translateAlterUser(pCxt, (SAlterUserStmt*)pNode);
      break;
    case QUERY_NODE_DROP_USER_STMT:
      code = translateDropUser(pCxt, (SDropUserStmt*)pNode);
      break;
    case QUERY_NODE_USE_DATABASE_STMT:
      code = translateUseDatabase(pCxt, (SUseDatabaseStmt*)pNode);
      break;
    case QUERY_NODE_CREATE_DNODE_STMT:
      code = translateCreateDnode(pCxt, (SCreateDnodeStmt*)pNode);
      break;
    case QUERY_NODE_DROP_DNODE_STMT:
      code = translateDropDnode(pCxt, (SDropDnodeStmt*)pNode);
      break;
    case QUERY_NODE_ALTER_DNODE_STMT:
      code = translateAlterDnode(pCxt, (SAlterDnodeStmt*)pNode);
      break;
    case QUERY_NODE_CREATE_INDEX_STMT:
      code = translateCreateIndex(pCxt, (SCreateIndexStmt*)pNode);
      break;
    case QUERY_NODE_DROP_INDEX_STMT:
      code = translateDropIndex(pCxt, (SDropIndexStmt*)pNode);
      break;
    case QUERY_NODE_CREATE_QNODE_STMT:
    case QUERY_NODE_CREATE_BNODE_STMT:
    case QUERY_NODE_CREATE_SNODE_STMT:
    case QUERY_NODE_CREATE_MNODE_STMT:
      code = translateCreateComponentNode(pCxt, (SCreateComponentNodeStmt*)pNode);
      break;
    case QUERY_NODE_DROP_QNODE_STMT:
    case QUERY_NODE_DROP_BNODE_STMT:
    case QUERY_NODE_DROP_SNODE_STMT:
    case QUERY_NODE_DROP_MNODE_STMT:
      code = translateDropComponentNode(pCxt, (SDropComponentNodeStmt*)pNode);
      break;
    case QUERY_NODE_CREATE_TOPIC_STMT:
      code = translateCreateTopic(pCxt, (SCreateTopicStmt*)pNode);
      break;
    case QUERY_NODE_DROP_TOPIC_STMT:
      code = translateDropTopic(pCxt, (SDropTopicStmt*)pNode);
      break;
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    case QUERY_NODE_DROP_CGROUP_STMT:
      code = translateDropCGroup(pCxt, (SDropCGroupStmt*)pNode);
      break;
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    case QUERY_NODE_ALTER_LOCAL_STMT:
      code = translateAlterLocal(pCxt, (SAlterLocalStmt*)pNode);
      break;
    case QUERY_NODE_EXPLAIN_STMT:
      code = translateExplain(pCxt, (SExplainStmt*)pNode);
      break;
    case QUERY_NODE_DESCRIBE_STMT:
      code = translateDescribe(pCxt, (SDescribeStmt*)pNode);
      break;
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    case QUERY_NODE_COMPACT_DATABASE_STMT:
      code = translateCompact(pCxt, (SCompactDatabaseStmt*)pNode);
      break;
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    case QUERY_NODE_KILL_CONNECTION_STMT:
      code = translateKillConnection(pCxt, (SKillStmt*)pNode);
      break;
    case QUERY_NODE_KILL_QUERY_STMT:
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      code = translateKillQuery(pCxt, (SKillQueryStmt*)pNode);
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      break;
    case QUERY_NODE_KILL_TRANSACTION_STMT:
      code = translateKillTransaction(pCxt, (SKillStmt*)pNode);
      break;
    case QUERY_NODE_CREATE_STREAM_STMT:
      code = translateCreateStream(pCxt, (SCreateStreamStmt*)pNode);
      break;
    case QUERY_NODE_DROP_STREAM_STMT:
      code = translateDropStream(pCxt, (SDropStreamStmt*)pNode);
      break;
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    case QUERY_NODE_PAUSE_STREAM_STMT:
      code = translatePauseStream(pCxt, (SPauseStreamStmt*)pNode);
      break;
    case QUERY_NODE_RESUME_STREAM_STMT:
      code = translateResumeStream(pCxt, (SResumeStreamStmt*)pNode);
      break;
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    case QUERY_NODE_CREATE_FUNCTION_STMT:
      code = translateCreateFunction(pCxt, (SCreateFunctionStmt*)pNode);
      break;
    case QUERY_NODE_DROP_FUNCTION_STMT:
      code = translateDropFunction(pCxt, (SDropFunctionStmt*)pNode);
      break;
    case QUERY_NODE_GRANT_STMT:
      code = translateGrant(pCxt, (SGrantStmt*)pNode);
      break;
    case QUERY_NODE_REVOKE_STMT:
      code = translateRevoke(pCxt, (SRevokeStmt*)pNode);
      break;
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    case QUERY_NODE_BALANCE_VGROUP_STMT:
      code = translateBalanceVgroup(pCxt, (SBalanceVgroupStmt*)pNode);
      break;
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    case QUERY_NODE_BALANCE_VGROUP_LEADER_STMT:
      code = translateBalanceVgroupLeader(pCxt, (SBalanceVgroupLeaderStmt*)pNode);
      break;
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    case QUERY_NODE_MERGE_VGROUP_STMT:
      code = translateMergeVgroup(pCxt, (SMergeVgroupStmt*)pNode);
      break;
    case QUERY_NODE_REDISTRIBUTE_VGROUP_STMT:
      code = translateRedistributeVgroup(pCxt, (SRedistributeVgroupStmt*)pNode);
      break;
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    case QUERY_NODE_SPLIT_VGROUP_STMT:
      code = translateSplitVgroup(pCxt, (SSplitVgroupStmt*)pNode);
      break;
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    case QUERY_NODE_SHOW_VARIABLES_STMT:
      code = translateShowVariables(pCxt, (SShowStmt*)pNode);
      break;
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    case QUERY_NODE_SHOW_CREATE_DATABASE_STMT:
      code = translateShowCreateDatabase(pCxt, (SShowCreateDatabaseStmt*)pNode);
      break;
    case QUERY_NODE_SHOW_CREATE_TABLE_STMT:
    case QUERY_NODE_SHOW_CREATE_STABLE_STMT:
      code = translateShowCreateTable(pCxt, (SShowCreateTableStmt*)pNode);
      break;
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    case QUERY_NODE_RESTORE_DNODE_STMT:
    case QUERY_NODE_RESTORE_QNODE_STMT:
    case QUERY_NODE_RESTORE_MNODE_STMT:
    case QUERY_NODE_RESTORE_VNODE_STMT:
      code = translateRestoreDnode(pCxt, (SRestoreComponentNodeStmt*)pNode);
      break;
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    default:
      break;
  }
  return code;
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}

static int32_t translateSubquery(STranslateContext* pCxt, SNode* pNode) {
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  ESqlClause currClause = pCxt->currClause;
  SNode*     pCurrStmt = pCxt->pCurrStmt;
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  int32_t    currLevel = pCxt->currLevel;
  pCxt->currLevel = ++(pCxt->levelNo);
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  int32_t code = translateQuery(pCxt, pNode);
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  pCxt->currClause = currClause;
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  pCxt->pCurrStmt = pCurrStmt;
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  pCxt->currLevel = currLevel;
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  return code;
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}

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static int32_t extractQueryResultSchema(const SNodeList* pProjections, int32_t* numOfCols, SSchema** pSchema) {
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  *numOfCols = LIST_LENGTH(pProjections);
  *pSchema = taosMemoryCalloc((*numOfCols), sizeof(SSchema));
  if (NULL == (*pSchema)) {
    return TSDB_CODE_OUT_OF_MEMORY;
  }

  SNode*  pNode;
  int32_t index = 0;
  FOREACH(pNode, pProjections) {
    SExprNode* pExpr = (SExprNode*)pNode;
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    if (TSDB_DATA_TYPE_NULL == pExpr->resType.type) {
      (*pSchema)[index].type = TSDB_DATA_TYPE_VARCHAR;
      (*pSchema)[index].bytes = 0;
    } else {
      (*pSchema)[index].type = pExpr->resType.type;
      (*pSchema)[index].bytes = pExpr->resType.bytes;
    }
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    (*pSchema)[index].colId = index + 1;
    if ('\0' != pExpr->userAlias[0]) {
      strcpy((*pSchema)[index].name, pExpr->userAlias);
    } else {
      strcpy((*pSchema)[index].name, pExpr->aliasName);
    }
    index += 1;
  }

  return TSDB_CODE_SUCCESS;
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}

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static int8_t extractResultTsPrecision(const SSelectStmt* pSelect) { return pSelect->precision; }
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static int32_t extractExplainResultSchema(int32_t* numOfCols, SSchema** pSchema) {
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  *numOfCols = 1;
  *pSchema = taosMemoryCalloc((*numOfCols), sizeof(SSchema));
  if (NULL == (*pSchema)) {
    return TSDB_CODE_OUT_OF_MEMORY;
  }
  (*pSchema)[0].type = TSDB_DATA_TYPE_BINARY;
  (*pSchema)[0].bytes = TSDB_EXPLAIN_RESULT_ROW_SIZE;
  strcpy((*pSchema)[0].name, TSDB_EXPLAIN_RESULT_COLUMN_NAME);
  return TSDB_CODE_SUCCESS;
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}

static int32_t extractDescribeResultSchema(int32_t* numOfCols, SSchema** pSchema) {
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  *numOfCols = DESCRIBE_RESULT_COLS;
  *pSchema = taosMemoryCalloc((*numOfCols), sizeof(SSchema));
  if (NULL == (*pSchema)) {
    return TSDB_CODE_OUT_OF_MEMORY;
  }
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  (*pSchema)[0].type = TSDB_DATA_TYPE_BINARY;
  (*pSchema)[0].bytes = DESCRIBE_RESULT_FIELD_LEN;
  strcpy((*pSchema)[0].name, "field");
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  (*pSchema)[1].type = TSDB_DATA_TYPE_BINARY;
  (*pSchema)[1].bytes = DESCRIBE_RESULT_TYPE_LEN;
  strcpy((*pSchema)[1].name, "type");
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  (*pSchema)[2].type = TSDB_DATA_TYPE_INT;
  (*pSchema)[2].bytes = tDataTypes[TSDB_DATA_TYPE_INT].bytes;
  strcpy((*pSchema)[2].name, "length");
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  (*pSchema)[3].type = TSDB_DATA_TYPE_BINARY;
  (*pSchema)[3].bytes = DESCRIBE_RESULT_NOTE_LEN;
  strcpy((*pSchema)[3].name, "note");
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  return TSDB_CODE_SUCCESS;
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}

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static int32_t extractShowCreateDatabaseResultSchema(int32_t* numOfCols, SSchema** pSchema) {
  *numOfCols = 2;
  *pSchema = taosMemoryCalloc((*numOfCols), sizeof(SSchema));
  if (NULL == (*pSchema)) {
    return TSDB_CODE_OUT_OF_MEMORY;
  }

  (*pSchema)[0].type = TSDB_DATA_TYPE_BINARY;
  (*pSchema)[0].bytes = TSDB_DB_NAME_LEN;
  strcpy((*pSchema)[0].name, "Database");

  (*pSchema)[1].type = TSDB_DATA_TYPE_BINARY;
  (*pSchema)[1].bytes = TSDB_MAX_BINARY_LEN;
  strcpy((*pSchema)[1].name, "Create Database");

  return TSDB_CODE_SUCCESS;
}

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static int32_t extractShowAliveResultSchema(int32_t* numOfCols, SSchema** pSchema) {
  *numOfCols = 1;
  *pSchema = taosMemoryCalloc((*numOfCols), sizeof(SSchema));
  if (NULL == (*pSchema)) {
    return TSDB_CODE_OUT_OF_MEMORY;
  }

  (*pSchema)[0].type = TSDB_DATA_TYPE_INT;
  (*pSchema)[0].bytes = sizeof(int32_t);
  strcpy((*pSchema)[0].name, "status");

  return TSDB_CODE_SUCCESS;
}

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static int32_t extractShowCreateTableResultSchema(int32_t* numOfCols, SSchema** pSchema) {
  *numOfCols = 2;
  *pSchema = taosMemoryCalloc((*numOfCols), sizeof(SSchema));
  if (NULL == (*pSchema)) {
    return TSDB_CODE_OUT_OF_MEMORY;
  }

  (*pSchema)[0].type = TSDB_DATA_TYPE_BINARY;
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  (*pSchema)[0].bytes = SHOW_CREATE_TB_RESULT_FIELD1_LEN;
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  strcpy((*pSchema)[0].name, "Table");

  (*pSchema)[1].type = TSDB_DATA_TYPE_BINARY;
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  (*pSchema)[1].bytes = SHOW_CREATE_TB_RESULT_FIELD2_LEN;
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  strcpy((*pSchema)[1].name, "Create Table");

  return TSDB_CODE_SUCCESS;
}

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static int32_t extractShowVariablesResultSchema(int32_t* numOfCols, SSchema** pSchema) {
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  *numOfCols = 2;
  *pSchema = taosMemoryCalloc((*numOfCols), sizeof(SSchema));
  if (NULL == (*pSchema)) {
    return TSDB_CODE_OUT_OF_MEMORY;
  }

  (*pSchema)[0].type = TSDB_DATA_TYPE_BINARY;
  (*pSchema)[0].bytes = TSDB_CONFIG_OPTION_LEN;
  strcpy((*pSchema)[0].name, "name");

  (*pSchema)[1].type = TSDB_DATA_TYPE_BINARY;
  (*pSchema)[1].bytes = TSDB_CONFIG_VALUE_LEN;
  strcpy((*pSchema)[1].name, "value");

  return TSDB_CODE_SUCCESS;
}

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int32_t extractResultSchema(const SNode* pRoot, int32_t* numOfCols, SSchema** pSchema) {
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  if (NULL == pRoot) {
    return TSDB_CODE_SUCCESS;
  }
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  switch (nodeType(pRoot)) {
    case QUERY_NODE_SELECT_STMT:
    case QUERY_NODE_SET_OPERATOR:
      return extractQueryResultSchema(getProjectList(pRoot), numOfCols, pSchema);
    case QUERY_NODE_EXPLAIN_STMT:
      return extractExplainResultSchema(numOfCols, pSchema);
    case QUERY_NODE_DESCRIBE_STMT:
      return extractDescribeResultSchema(numOfCols, pSchema);
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    case QUERY_NODE_SHOW_CREATE_DATABASE_STMT:
      return extractShowCreateDatabaseResultSchema(numOfCols, pSchema);
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    case QUERY_NODE_SHOW_DB_ALIVE_STMT:
    case QUERY_NODE_SHOW_CLUSTER_ALIVE_STMT:
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      return extractShowAliveResultSchema(numOfCols, pSchema);
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    case QUERY_NODE_SHOW_CREATE_TABLE_STMT:
    case QUERY_NODE_SHOW_CREATE_STABLE_STMT:
      return extractShowCreateTableResultSchema(numOfCols, pSchema);
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    case QUERY_NODE_SHOW_LOCAL_VARIABLES_STMT:
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    case QUERY_NODE_SHOW_VARIABLES_STMT:
      return extractShowVariablesResultSchema(numOfCols, pSchema);
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    default:
      break;
  }
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  return TSDB_CODE_FAILED;
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}

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static SNode* createStarCol() {
  SColumnNode* pCol = (SColumnNode*)nodesMakeNode(QUERY_NODE_COLUMN);
  if (NULL == pCol) {
    return NULL;
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  }
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  strcpy(pCol->colName, "*");
  return (SNode*)pCol;
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}

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static SNode* createProjectCol(const char* pProjCol) {
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  SColumnNode* pCol = (SColumnNode*)nodesMakeNode(QUERY_NODE_COLUMN);
  if (NULL == pCol) {
    return NULL;
  }
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  snprintf(pCol->colName, sizeof(pCol->colName), "%s", pProjCol);
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  return (SNode*)pCol;
}

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static SNodeList* createProjectCols(int32_t ncols, const char* const pCols[]) {
  SNodeList* pProjections = NULL;
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  if (0 == ncols) {
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    nodesListMakeStrictAppend(&pProjections, createStarCol());
    return pProjections;
  }
  for (int32_t i = 0; i < ncols; ++i) {
    int32_t code = nodesListMakeStrictAppend(&pProjections, createProjectCol(pCols[i]));
    if (TSDB_CODE_SUCCESS != code) {
      nodesDestroyList(pProjections);
      return NULL;
    }
  }
  return pProjections;
}

static int32_t createSimpleSelectStmt(const char* pDb, const char* pTable, int32_t numOfProjs,
                                      const char* const pProjCol[], SSelectStmt** pStmt) {
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  SSelectStmt* pSelect = (SSelectStmt*)nodesMakeNode(QUERY_NODE_SELECT_STMT);
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  if (NULL == pSelect) {
    return TSDB_CODE_OUT_OF_MEMORY;
  }
  sprintf(pSelect->stmtName, "%p", pSelect);
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  SRealTableNode* pRealTable = (SRealTableNode*)nodesMakeNode(QUERY_NODE_REAL_TABLE);
  if (NULL == pRealTable) {
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    nodesDestroyNode((SNode*)pSelect);
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    return TSDB_CODE_OUT_OF_MEMORY;
  }
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  snprintf(pRealTable->table.dbName, sizeof(pRealTable->table.dbName), "%s", pDb);
  snprintf(pRealTable->table.tableName, sizeof(pRealTable->table.tableName), "%s", pTable);
  snprintf(pRealTable->table.tableAlias, sizeof(pRealTable->table.tableAlias), "%s", pTable);
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  pSelect->pFromTable = (SNode*)pRealTable;
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  if (numOfProjs >= 0) {
    pSelect->pProjectionList = createProjectCols(numOfProjs, pProjCol);
    if (NULL == pSelect->pProjectionList) {
      nodesDestroyNode((SNode*)pSelect);
      return TSDB_CODE_OUT_OF_MEMORY;
    }
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  }

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  *pStmt = pSelect;
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  return TSDB_CODE_SUCCESS;
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}

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static int32_t createSelectStmtForShow(ENodeType showType, SSelectStmt** pStmt) {
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  const SSysTableShowAdapter* pShow = &sysTableShowAdapter[showType - SYSTABLE_SHOW_TYPE_OFFSET];
  return createSimpleSelectStmt(pShow->pDbName, pShow->pTableName, pShow->numOfShowCols, pShow->pShowCols, pStmt);
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}

static int32_t createSelectStmtForShowTableDist(SShowTableDistributedStmt* pStmt, SSelectStmt** pOutput) {
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  return createSimpleSelectStmt(pStmt->dbName, pStmt->tableName, 0, NULL, pOutput);
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}

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static int32_t createOperatorNode(EOperatorType opType, const char* pColName, SNode* pRight, SNode** pOp) {
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  if (NULL == pRight) {
    return TSDB_CODE_SUCCESS;
  }
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  SOperatorNode* pOper = (SOperatorNode*)nodesMakeNode(QUERY_NODE_OPERATOR);
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  if (NULL == pOper) {
    return TSDB_CODE_OUT_OF_MEMORY;
  }
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  pOper->opType = opType;
  pOper->pLeft = nodesMakeNode(QUERY_NODE_COLUMN);
  pOper->pRight = nodesCloneNode(pRight);
  if (NULL == pOper->pLeft || NULL == pOper->pRight) {
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    nodesDestroyNode((SNode*)pOper);
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    return TSDB_CODE_OUT_OF_MEMORY;
  }
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  snprintf(((SColumnNode*)pOper->pLeft)->colName, sizeof(((SColumnNode*)pOper->pLeft)->colName), "%s", pColName);
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  *pOp = (SNode*)pOper;
  return TSDB_CODE_SUCCESS;
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}

static const char* getTbNameColName(ENodeType type) {
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  return (QUERY_NODE_SHOW_STABLES_STMT == type ? "stable_name" : "table_name");
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}

static int32_t createLogicCondNode(SNode* pCond1, SNode* pCond2, SNode** pCond) {
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  SLogicConditionNode* pCondition = (SLogicConditionNode*)nodesMakeNode(QUERY_NODE_LOGIC_CONDITION);
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  if (NULL == pCondition) {
    return TSDB_CODE_OUT_OF_MEMORY;
  }
  pCondition->condType = LOGIC_COND_TYPE_AND;
  pCondition->pParameterList = nodesMakeList();
  if (NULL == pCondition->pParameterList) {
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    nodesDestroyNode((SNode*)pCondition);
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    return TSDB_CODE_OUT_OF_MEMORY;
  }
  if (TSDB_CODE_SUCCESS != nodesListAppend(pCondition->pParameterList, pCond1) ||
      TSDB_CODE_SUCCESS != nodesListAppend(pCondition->pParameterList, pCond2)) {
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    nodesDestroyNode((SNode*)pCondition);
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    return TSDB_CODE_OUT_OF_MEMORY;
  }

  *pCond = (SNode*)pCondition;
  return TSDB_CODE_SUCCESS;
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}

static int32_t createShowCondition(const SShowStmt* pShow, SSelectStmt* pSelect) {
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  SNode* pDbCond = NULL;
  SNode* pTbCond = NULL;
  if (TSDB_CODE_SUCCESS != createOperatorNode(OP_TYPE_EQUAL, "db_name", pShow->pDbName, &pDbCond) ||
      TSDB_CODE_SUCCESS !=
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          createOperatorNode(pShow->tableCondType, getTbNameColName(nodeType(pShow)), pShow->pTbName, &pTbCond)) {
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    nodesDestroyNode(pDbCond);
    nodesDestroyNode(pTbCond);
    return TSDB_CODE_OUT_OF_MEMORY;
  }

  if (NULL != pDbCond && NULL != pTbCond) {
    if (TSDB_CODE_SUCCESS != createLogicCondNode(pDbCond, pTbCond, &pSelect->pWhere)) {
      nodesDestroyNode(pDbCond);
      nodesDestroyNode(pTbCond);
      return TSDB_CODE_OUT_OF_MEMORY;
    }
  } else {
    pSelect->pWhere = (NULL == pDbCond ? pTbCond : pDbCond);
  }

  if (NULL != pShow->pDbName) {
    strcpy(((SRealTableNode*)pSelect->pFromTable)->qualDbName, ((SValueNode*)pShow->pDbName)->literal);
  }

  return TSDB_CODE_SUCCESS;
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}

static int32_t rewriteShow(STranslateContext* pCxt, SQuery* pQuery) {
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  SSelectStmt* pStmt = NULL;
  int32_t      code = createSelectStmtForShow(nodeType(pQuery->pRoot), &pStmt);
  if (TSDB_CODE_SUCCESS == code) {
    code = createShowCondition((SShowStmt*)pQuery->pRoot, pStmt);
  }
  if (TSDB_CODE_SUCCESS == code) {
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    pCxt->showRewrite = true;
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    pQuery->showRewrite = true;
    nodesDestroyNode(pQuery->pRoot);
    pQuery->pRoot = (SNode*)pStmt;
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  } else {
    nodesDestroyNode((SNode*)pStmt);
  }
  return code;
}

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static int32_t checkShowVgroups(STranslateContext* pCxt, SShowStmt* pShow) {
  // just to verify whether the database exists
  SDbCfgInfo dbCfg = {0};
  return getDBCfg(pCxt, ((SValueNode*)pShow->pDbName)->literal, &dbCfg);
}

static int32_t rewriteShowVgroups(STranslateContext* pCxt, SQuery* pQuery) {
  int32_t code = checkShowVgroups(pCxt, (SShowStmt*)pQuery->pRoot);
  if (TSDB_CODE_SUCCESS == code) {
    code = rewriteShow(pCxt, pQuery);
  }
  return code;
}

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static SNode* createTagsFunction() {
  SFunctionNode* pFunc = (SFunctionNode*)nodesMakeNode(QUERY_NODE_FUNCTION);
  if (NULL == pFunc) {
    return NULL;
  }
  strcpy(pFunc->functionName, "_tags");
  return (SNode*)pFunc;
}

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static int32_t createShowTableTagsProjections(SNodeList** pProjections, SNodeList** pTags) {
  if (NULL != *pTags) {
    TSWAP(*pProjections, *pTags);
    return TSDB_CODE_SUCCESS;
  }
  int32_t code = nodesListMakeStrictAppend(pProjections, createTbnameFunction());
  if (TSDB_CODE_SUCCESS == code) {
    code = nodesListStrictAppend(*pProjections, createTagsFunction());
  }
  return code;
}

7628
static int32_t rewriteShowStableTags(STranslateContext* pCxt, SQuery* pQuery) {
7629 7630
  SShowTableTagsStmt* pShow = (SShowTableTagsStmt*)pQuery->pRoot;
  SSelectStmt*        pSelect = NULL;
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  int32_t code = createSimpleSelectStmt(((SValueNode*)pShow->pDbName)->literal, ((SValueNode*)pShow->pTbName)->literal,
                                        -1, NULL, &pSelect);
  if (TSDB_CODE_SUCCESS == code) {
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    code = createShowTableTagsProjections(&pSelect->pProjectionList, &pShow->pTags);
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  }
  if (TSDB_CODE_SUCCESS == code) {
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    pCxt->showRewrite = true;
7638
    pQuery->showRewrite = true;
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    pSelect->tagScan = true;
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    nodesDestroyNode(pQuery->pRoot);
    pQuery->pRoot = (SNode*)pSelect;
  } else {
    nodesDestroyNode((SNode*)pSelect);
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  }
  return code;
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}

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static int32_t rewriteShowDnodeVariables(STranslateContext* pCxt, SQuery* pQuery) {
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  SShowDnodeVariablesStmt* pStmt = (SShowDnodeVariablesStmt*)pQuery->pRoot;
  SNode*                   pDnodeCond = NULL;
  SNode*                   pLikeCond = NULL;
  SSelectStmt*             pSelect = NULL;
  int32_t                  code = createSelectStmtForShow(nodeType(pQuery->pRoot), &pSelect);
  if (TSDB_CODE_SUCCESS == code) {
    code = createOperatorNode(OP_TYPE_EQUAL, "dnode_id", pStmt->pDnodeId, &pDnodeCond);
  }
  if (TSDB_CODE_SUCCESS == code) {
    code = createOperatorNode(OP_TYPE_LIKE, "name", pStmt->pLikePattern, &pLikeCond);
  }
7660
  if (TSDB_CODE_SUCCESS == code) {
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    if (NULL != pLikeCond) {
      code = createLogicCondNode(pDnodeCond, pLikeCond, &pSelect->pWhere);
    } else {
      pSelect->pWhere = pDnodeCond;
    }
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  }
  if (TSDB_CODE_SUCCESS == code) {
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    pCxt->showRewrite = true;
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    pQuery->showRewrite = true;
    nodesDestroyNode(pQuery->pRoot);
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    pQuery->pRoot = (SNode*)pSelect;
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  }
  return code;
}

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static int32_t rewriteShowVnodes(STranslateContext* pCxt, SQuery* pQuery) {
  SShowVnodesStmt* pShow = (SShowVnodesStmt*)(pQuery->pRoot);
  SSelectStmt*     pStmt = NULL;
  int32_t          code = createSelectStmtForShow(QUERY_NODE_SHOW_VNODES_STMT, &pStmt);
  if (TSDB_CODE_SUCCESS == code) {
    if (NULL != pShow->pDnodeId) {
      code = createOperatorNode(OP_TYPE_EQUAL, "dnode_id", pShow->pDnodeId, &pStmt->pWhere);
    } else {
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      code = createOperatorNode(OP_TYPE_EQUAL, "dnode_ep", pShow->pDnodeEndpoint, &pStmt->pWhere);
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    }
  }
  if (TSDB_CODE_SUCCESS == code) {
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    pCxt->showRewrite = true;
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    pQuery->showRewrite = true;
    nodesDestroyNode(pQuery->pRoot);
    pQuery->pRoot = (SNode*)pStmt;
  }
  return code;
}

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static SNode* createBlockDistInfoFunc() {
  SFunctionNode* pFunc = (SFunctionNode*)nodesMakeNode(QUERY_NODE_FUNCTION);
  if (NULL == pFunc) {
    return NULL;
  }

  strcpy(pFunc->functionName, "_block_dist_info");
  strcpy(pFunc->node.aliasName, "_block_dist_info");
  return (SNode*)pFunc;
}

static SNode* createBlockDistFunc() {
  SFunctionNode* pFunc = (SFunctionNode*)nodesMakeNode(QUERY_NODE_FUNCTION);
  if (NULL == pFunc) {
    return NULL;
  }

  strcpy(pFunc->functionName, "_block_dist");
  strcpy(pFunc->node.aliasName, "_block_dist");
  if (TSDB_CODE_SUCCESS != nodesListMakeStrictAppend(&pFunc->pParameterList, createBlockDistInfoFunc())) {
    nodesDestroyNode((SNode*)pFunc);
    return NULL;
  }
  return (SNode*)pFunc;
}

static int32_t rewriteShowTableDist(STranslateContext* pCxt, SQuery* pQuery) {
  SSelectStmt* pStmt = NULL;
  int32_t      code = createSelectStmtForShowTableDist((SShowTableDistributedStmt*)pQuery->pRoot, &pStmt);
  if (TSDB_CODE_SUCCESS == code) {
7726
    NODES_DESTORY_LIST(pStmt->pProjectionList);
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    code = nodesListMakeStrictAppend(&pStmt->pProjectionList, createBlockDistFunc());
  }
  if (TSDB_CODE_SUCCESS == code) {
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    pCxt->showRewrite = true;
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    pQuery->showRewrite = true;
    nodesDestroyNode(pQuery->pRoot);
    pQuery->pRoot = (SNode*)pStmt;
  }
  return code;
}

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typedef struct SVgroupCreateTableBatch {
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  SVCreateTbBatchReq req;
  SVgroupInfo        info;
  char               dbName[TSDB_DB_NAME_LEN];
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} SVgroupCreateTableBatch;
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static int32_t buildNormalTableBatchReq(int32_t acctId, const SCreateTableStmt* pStmt, const SVgroupInfo* pVgroupInfo,
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                                        SVgroupCreateTableBatch* pBatch) {
  char  dbFName[TSDB_DB_FNAME_LEN] = {0};
  SName name = {.type = TSDB_DB_NAME_T, .acctId = acctId};
  strcpy(name.dbname, pStmt->dbName);
  tNameGetFullDbName(&name, dbFName);

  SVCreateTbReq req = {0};
  req.type = TD_NORMAL_TABLE;
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  req.name = taosStrdup(pStmt->tableName);
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  req.ttl = pStmt->pOptions->ttl;
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  if (pStmt->pOptions->commentNull == false) {
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    req.comment = taosStrdup(pStmt->pOptions->comment);
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    if (NULL == req.comment) {
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      tdDestroySVCreateTbReq(&req);
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      return TSDB_CODE_OUT_OF_MEMORY;
    }
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    req.commentLen = strlen(pStmt->pOptions->comment);
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  } else {
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    req.commentLen = -1;
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  }
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  req.ntb.schemaRow.nCols = LIST_LENGTH(pStmt->pCols);
  req.ntb.schemaRow.version = 1;
  req.ntb.schemaRow.pSchema = taosMemoryCalloc(req.ntb.schemaRow.nCols, sizeof(SSchema));
  if (NULL == req.name || NULL == req.ntb.schemaRow.pSchema) {
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    tdDestroySVCreateTbReq(&req);
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    return TSDB_CODE_OUT_OF_MEMORY;
  }
  if (pStmt->ignoreExists) {
    req.flags |= TD_CREATE_IF_NOT_EXISTS;
  }
  SNode*   pCol;
  col_id_t index = 0;
  FOREACH(pCol, pStmt->pCols) {
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    toSchema((SColumnDefNode*)pCol, index + 1, req.ntb.schemaRow.pSchema + index);
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    ++index;
  }
  pBatch->info = *pVgroupInfo;
  strcpy(pBatch->dbName, pStmt->dbName);
  pBatch->req.pArray = taosArrayInit(1, sizeof(struct SVCreateTbReq));
  if (NULL == pBatch->req.pArray) {
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    tdDestroySVCreateTbReq(&req);
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    return TSDB_CODE_OUT_OF_MEMORY;
  }
  taosArrayPush(pBatch->req.pArray, &req);

  return TSDB_CODE_SUCCESS;
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}

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static int32_t serializeVgroupCreateTableBatch(SVgroupCreateTableBatch* pTbBatch, SArray* pBufArray) {
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  int      tlen;
  SEncoder coder = {0};

  int32_t ret = 0;
  tEncodeSize(tEncodeSVCreateTbBatchReq, &pTbBatch->req, tlen, ret);
  tlen += sizeof(SMsgHead);
  void* buf = taosMemoryMalloc(tlen);
  if (NULL == buf) {
    return TSDB_CODE_OUT_OF_MEMORY;
  }
  ((SMsgHead*)buf)->vgId = htonl(pTbBatch->info.vgId);
  ((SMsgHead*)buf)->contLen = htonl(tlen);
  void* pBuf = POINTER_SHIFT(buf, sizeof(SMsgHead));

  tEncoderInit(&coder, pBuf, tlen - sizeof(SMsgHead));
  tEncodeSVCreateTbBatchReq(&coder, &pTbBatch->req);
  tEncoderClear(&coder);

  SVgDataBlocks* pVgData = taosMemoryCalloc(1, sizeof(SVgDataBlocks));
  if (NULL == pVgData) {
    return TSDB_CODE_OUT_OF_MEMORY;
  }
  pVgData->vg = pTbBatch->info;
  pVgData->pData = buf;
  pVgData->size = tlen;
  pVgData->numOfTables = (int32_t)taosArrayGetSize(pTbBatch->req.pArray);
  taosArrayPush(pBufArray, &pVgData);

  return TSDB_CODE_SUCCESS;
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}

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static void destroyCreateTbReqBatch(void* data) {
7826 7827
  SVgroupCreateTableBatch* pTbBatch = (SVgroupCreateTableBatch*)data;
  size_t                   size = taosArrayGetSize(pTbBatch->req.pArray);
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  for (int32_t i = 0; i < size; ++i) {
    SVCreateTbReq* pTableReq = taosArrayGet(pTbBatch->req.pArray, i);
7830
    tdDestroySVCreateTbReq(pTableReq);
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  }
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  taosArrayDestroy(pTbBatch->req.pArray);
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}

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int32_t rewriteToVnodeModifyOpStmt(SQuery* pQuery, SArray* pBufArray) {
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  SVnodeModifyOpStmt* pNewStmt = (SVnodeModifyOpStmt*)nodesMakeNode(QUERY_NODE_VNODE_MODIFY_STMT);
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  if (pNewStmt == NULL) {
    return TSDB_CODE_OUT_OF_MEMORY;
  }
  pNewStmt->sqlNodeType = nodeType(pQuery->pRoot);
  pNewStmt->pDataBlocks = pBufArray;
  nodesDestroyNode(pQuery->pRoot);
  pQuery->pRoot = (SNode*)pNewStmt;
  return TSDB_CODE_SUCCESS;
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}

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static void destroyCreateTbReqArray(SArray* pArray) {
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  size_t size = taosArrayGetSize(pArray);
  for (size_t i = 0; i < size; ++i) {
    SVgDataBlocks* pVg = taosArrayGetP(pArray, i);
    taosMemoryFreeClear(pVg->pData);
    taosMemoryFreeClear(pVg);
  }
  taosArrayDestroy(pArray);
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}

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static int32_t buildCreateTableDataBlock(int32_t acctId, const SCreateTableStmt* pStmt, const SVgroupInfo* pInfo,
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                                         SArray** pBufArray) {
  *pBufArray = taosArrayInit(1, POINTER_BYTES);
  if (NULL == *pBufArray) {
    return TSDB_CODE_OUT_OF_MEMORY;
  }
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  SVgroupCreateTableBatch tbatch = {0};
  int32_t                 code = buildNormalTableBatchReq(acctId, pStmt, pInfo, &tbatch);
  if (TSDB_CODE_SUCCESS == code) {
    code = serializeVgroupCreateTableBatch(&tbatch, *pBufArray);
  }
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  destroyCreateTbReqBatch(&tbatch);
  if (TSDB_CODE_SUCCESS != code) {
    destroyCreateTbReqArray(*pBufArray);
  }
  return code;
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}

static int32_t rewriteCreateTable(STranslateContext* pCxt, SQuery* pQuery) {
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  SCreateTableStmt* pStmt = (SCreateTableStmt*)pQuery->pRoot;

7881
  int32_t     code = checkCreateTable(pCxt, pStmt, false);
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  SVgroupInfo info = {0};
7883
  SName       name;
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  toName(pCxt->pParseCxt->acctId, pStmt->dbName, pStmt->tableName, &name);
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  if (TSDB_CODE_SUCCESS == code) {
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    code = getTableHashVgroupImpl(pCxt, &name, &info);
  }
  if (TSDB_CODE_SUCCESS == code) {
    code = collectUseTable(&name, pCxt->pTargetTables);
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  }
  SArray* pBufArray = NULL;
  if (TSDB_CODE_SUCCESS == code) {
    code = buildCreateTableDataBlock(pCxt->pParseCxt->acctId, pStmt, &info, &pBufArray);
  }
  if (TSDB_CODE_SUCCESS == code) {
    code = rewriteToVnodeModifyOpStmt(pQuery, pBufArray);
    if (TSDB_CODE_SUCCESS != code) {
      destroyCreateTbReqArray(pBufArray);
    }
  }

  return code;
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}

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static void addCreateTbReqIntoVgroup(int32_t acctId, SHashObj* pVgroupHashmap, SCreateSubTableClause* pStmt,
7906
                                     const STag* pTag, uint64_t suid, const char* sTableNmae, SVgroupInfo* pVgInfo,
7907
                                     SArray* tagName, uint8_t tagNum) {
7908 7909 7910 7911
  //  char  dbFName[TSDB_DB_FNAME_LEN] = {0};
  //  SName name = {.type = TSDB_DB_NAME_T, .acctId = acctId};
  //  strcpy(name.dbname, pStmt->dbName);
  //  tNameGetFullDbName(&name, dbFName);
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  struct SVCreateTbReq req = {0};
  req.type = TD_CHILD_TABLE;
7915
  req.name = taosStrdup(pStmt->tableName);
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  req.ttl = pStmt->pOptions->ttl;
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  if (pStmt->pOptions->commentNull == false) {
7918
    req.comment = taosStrdup(pStmt->pOptions->comment);
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    req.commentLen = strlen(pStmt->pOptions->comment);
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  } else {
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    req.commentLen = -1;
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  }
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  req.ctb.suid = suid;
7924
  req.ctb.tagNum = tagNum;
7925
  req.ctb.stbName = taosStrdup(sTableNmae);
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  req.ctb.pTag = (uint8_t*)pTag;
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  req.ctb.tagName = taosArrayDup(tagName, NULL);
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  if (pStmt->ignoreExists) {
    req.flags |= TD_CREATE_IF_NOT_EXISTS;
  }

  SVgroupCreateTableBatch* pTableBatch = taosHashGet(pVgroupHashmap, &pVgInfo->vgId, sizeof(pVgInfo->vgId));
  if (pTableBatch == NULL) {
    SVgroupCreateTableBatch tBatch = {0};
    tBatch.info = *pVgInfo;
    strcpy(tBatch.dbName, pStmt->dbName);

    tBatch.req.pArray = taosArrayInit(4, sizeof(struct SVCreateTbReq));
    taosArrayPush(tBatch.req.pArray, &req);

    taosHashPut(pVgroupHashmap, &pVgInfo->vgId, sizeof(pVgInfo->vgId), &tBatch, sizeof(tBatch));
  } else {  // add to the correct vgroup
    taosArrayPush(pTableBatch->req.pArray, &req);
  }
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}

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static SDataType schemaToDataType(uint8_t precision, SSchema* pSchema) {
  SDataType dt = {.type = pSchema->type, .bytes = pSchema->bytes, .precision = precision, .scale = 0};
7949 7950 7951
  return dt;
}

7952 7953 7954 7955 7956
static int32_t createCastFuncForTag(STranslateContext* pCxt, SNode* pNode, SDataType dt, SNode** pCast) {
  SNode* pExpr = nodesCloneNode(pNode);
  if (NULL == pExpr) {
    return TSDB_CODE_OUT_OF_MEMORY;
  }
7957 7958 7959 7960
  int32_t code = translateExpr(pCxt, &pExpr);
  if (TSDB_CODE_SUCCESS == code) {
    code = createCastFunc(pCxt, pExpr, dt, pCast);
  }
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  if (TSDB_CODE_SUCCESS != code) {
    nodesDestroyNode(pExpr);
  }
  return code;
}

7967
static int32_t createTagValFromExpr(STranslateContext* pCxt, SDataType targetDt, SNode* pNode, SValueNode** pVal) {
7968
  SNode*  pCast = NULL;
7969
  int32_t code = createCastFuncForTag(pCxt, pNode, targetDt, &pCast);
7970
  SNode*  pNew = NULL;
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  if (TSDB_CODE_SUCCESS == code) {
    code = scalarCalculateConstants(pCast, &pNew);
  }
  if (TSDB_CODE_SUCCESS == code) {
    pCast = pNew;
    if (QUERY_NODE_VALUE != nodeType(pCast)) {
      code = generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_WRONG_VALUE_TYPE, ((SExprNode*)pNode)->aliasName);
    }
  }

  if (TSDB_CODE_SUCCESS == code) {
    *pVal = (SValueNode*)pCast;
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  } else {
7984
    nodesDestroyNode(pCast);
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  }
7986
  return code;
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}

7989
static int32_t createTagValFromVal(STranslateContext* pCxt, SDataType targetDt, SNode* pNode, SValueNode** pVal) {
7990 7991
  SValueNode* pTempVal = (SValueNode*)nodesCloneNode(pNode);
  if (NULL == pTempVal) {
7992 7993
    return TSDB_CODE_OUT_OF_MEMORY;
  }
7994 7995 7996 7997 7998 7999
  if (DEAL_RES_ERROR == translateValueImpl(pCxt, pTempVal, targetDt, true)) {
    nodesDestroyNode((SNode*)pTempVal);
    return pCxt->errCode;
  }
  *pVal = pTempVal;
  return TSDB_CODE_SUCCESS;
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}

static int32_t createTagVal(STranslateContext* pCxt, uint8_t precision, SSchema* pSchema, SNode* pNode,
                            SValueNode** pVal) {
  if (QUERY_NODE_VALUE == nodeType(pNode)) {
    return createTagValFromVal(pCxt, schemaToDataType(precision, pSchema), pNode, pVal);
  } else {
    return createTagValFromExpr(pCxt, schemaToDataType(precision, pSchema), pNode, pVal);
  }
}

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static int32_t buildJsonTagVal(STranslateContext* pCxt, SSchema* pTagSchema, SValueNode* pVal, SArray* pTagArray,
                               STag** ppTag) {
  if (pVal->literal && strlen(pVal->literal) > (TSDB_MAX_JSON_TAG_LEN - VARSTR_HEADER_SIZE) / TSDB_NCHAR_SIZE) {
    return buildSyntaxErrMsg(&pCxt->msgBuf, "json string too long than 4095", pVal->literal);
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  }
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  return parseJsontoTagData(pVal->literal, pTagArray, ppTag, &pCxt->msgBuf);
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}

static int32_t buildNormalTagVal(STranslateContext* pCxt, SSchema* pTagSchema, SValueNode* pVal, SArray* pTagArray) {
  if (pVal->node.resType.type != TSDB_DATA_TYPE_NULL) {
    void*   nodeVal = nodesGetValueFromNode(pVal);
    STagVal val = {.cid = pTagSchema->colId, .type = pTagSchema->type};
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    //    strcpy(val.colName, pTagSchema->name);
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    if (IS_VAR_DATA_TYPE(pTagSchema->type)) {
      val.pData = varDataVal(nodeVal);
      val.nData = varDataLen(nodeVal);
    } else {
      memcpy(&val.i64, nodeVal, pTagSchema->bytes);
    }
    taosArrayPush(pTagArray, &val);
  }
  return TSDB_CODE_SUCCESS;
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}

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static int32_t buildKVRowForBindTags(STranslateContext* pCxt, SCreateSubTableClause* pStmt, STableMeta* pSuperTableMeta,
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                                     STag** ppTag, SArray* tagName) {
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  int32_t numOfTags = getNumOfTags(pSuperTableMeta);
  if (LIST_LENGTH(pStmt->pValsOfTags) != LIST_LENGTH(pStmt->pSpecificTags) ||
      numOfTags < LIST_LENGTH(pStmt->pValsOfTags)) {
    return generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_TAGS_NOT_MATCHED);
  }

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  SArray* pTagArray = taosArrayInit(LIST_LENGTH(pStmt->pValsOfTags), sizeof(STagVal));
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  if (NULL == pTagArray) {
    return TSDB_CODE_OUT_OF_MEMORY;
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  }
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  int32_t code = TSDB_CODE_SUCCESS;

  bool       isJson = false;
  SNodeList* pVals = NULL;
  SNode *    pTag = NULL, *pNode = NULL;
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  FORBOTH(pTag, pStmt->pSpecificTags, pNode, pStmt->pValsOfTags) {
    SColumnNode* pCol = (SColumnNode*)pTag;
8056
    SSchema*     pSchema = getTagSchema(pSuperTableMeta, pCol->colName);
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    if (NULL == pSchema) {
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      code = generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_INVALID_TAG_NAME, pCol->colName);
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    }
    SValueNode* pVal = NULL;
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    if (TSDB_CODE_SUCCESS == code) {
      code = createTagVal(pCxt, pSuperTableMeta->tableInfo.precision, pSchema, pNode, &pVal);
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    }
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    if (TSDB_CODE_SUCCESS == code) {
      if (pSchema->type == TSDB_DATA_TYPE_JSON) {
        isJson = true;
        code = buildJsonTagVal(pCxt, pSchema, pVal, pTagArray, ppTag);
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        taosArrayPush(tagName, pCol->colName);
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      } else if (pVal->node.resType.type != TSDB_DATA_TYPE_NULL) {
        code = buildNormalTagVal(pCxt, pSchema, pVal, pTagArray);
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        taosArrayPush(tagName, pCol->colName);
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      }
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    }
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    if (TSDB_CODE_SUCCESS == code) {
      code = nodesListMakeAppend(&pVals, (SNode*)pVal);
    }
    if (TSDB_CODE_SUCCESS != code) {
      break;
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8079 8080 8081
    }
  }

8082 8083
  if (TSDB_CODE_SUCCESS == code && !isJson) {
    code = tTagNew(pTagArray, 1, false, ppTag);
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8084
  }
8085 8086

  nodesDestroyList(pVals);
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8087
  taosArrayDestroy(pTagArray);
8088
  return code;
8089
}
8090

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8091
static int32_t buildKVRowForAllTags(STranslateContext* pCxt, SCreateSubTableClause* pStmt, STableMeta* pSuperTableMeta,
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wmmhello 已提交
8092
                                    STag** ppTag, SArray* tagName) {
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8093 8094 8095 8096
  if (getNumOfTags(pSuperTableMeta) != LIST_LENGTH(pStmt->pValsOfTags)) {
    return generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_TAGS_NOT_MATCHED);
  }

8097 8098 8099
  SArray* pTagArray = taosArrayInit(LIST_LENGTH(pStmt->pValsOfTags), sizeof(STagVal));
  if (NULL == pTagArray) {
    return TSDB_CODE_OUT_OF_MEMORY;
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8100 8101
  }

8102 8103 8104 8105 8106 8107 8108
  int32_t code = TSDB_CODE_SUCCESS;

  bool       isJson = false;
  int32_t    index = 0;
  SSchema*   pTagSchemas = getTableTagSchema(pSuperTableMeta);
  SNodeList* pVals = NULL;
  SNode*     pNode;
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8109 8110
  FOREACH(pNode, pStmt->pValsOfTags) {
    SValueNode* pVal = NULL;
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8111
    SSchema*    pTagSchema = pTagSchemas + index;
8112 8113 8114 8115 8116
    code = createTagVal(pCxt, pSuperTableMeta->tableInfo.precision, pTagSchema, pNode, &pVal);
    if (TSDB_CODE_SUCCESS == code) {
      if (pTagSchema->type == TSDB_DATA_TYPE_JSON) {
        isJson = true;
        code = buildJsonTagVal(pCxt, pTagSchema, pVal, pTagArray, ppTag);
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8117 8118 8119
        if (TSDB_CODE_SUCCESS != code) {
          nodesDestroyNode((SNode*)pVal);
        }
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8120
        taosArrayPush(tagName, pTagSchema->name);
8121 8122 8123
      } else if (pVal->node.resType.type != TSDB_DATA_TYPE_NULL && !pVal->isNull) {
        char*   tmpVal = nodesGetValueFromNode(pVal);
        STagVal val = {.cid = pTagSchema->colId, .type = pTagSchema->type};
8124
        //        strcpy(val.colName, pTagSchema->name);
8125 8126 8127 8128 8129 8130 8131
        if (IS_VAR_DATA_TYPE(pTagSchema->type)) {
          val.pData = varDataVal(tmpVal);
          val.nData = varDataLen(tmpVal);
        } else {
          memcpy(&val.i64, tmpVal, pTagSchema->bytes);
        }
        taosArrayPush(pTagArray, &val);
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8132
        taosArrayPush(tagName, pTagSchema->name);
8133
      }
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8134
    }
8135 8136
    if (TSDB_CODE_SUCCESS == code) {
      code = nodesListMakeAppend(&pVals, (SNode*)pVal);
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8137
    }
8138 8139
    if (TSDB_CODE_SUCCESS != code) {
      break;
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8140
    }
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8141
    ++index;
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8142
  }
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8143

8144 8145
  if (TSDB_CODE_SUCCESS == code && !isJson) {
    code = tTagNew(pTagArray, 1, false, ppTag);
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8146 8147
  }

8148
  nodesDestroyList(pVals);
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8149
  taosArrayDestroy(pTagArray);
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8150
  return code;
8151 8152
}

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Xiaoyu Wang 已提交
8153
static int32_t checkCreateSubTable(STranslateContext* pCxt, SCreateSubTableClause* pStmt) {
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  if (0 != strcmp(pStmt->dbName, pStmt->useDbName)) {
    return generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_CORRESPONDING_STABLE_ERR);
  }
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Xiaoyu Wang 已提交
8157 8158 8159 8160
  if (NULL != strchr(pStmt->tableName, '.')) {
    return generateSyntaxErrMsgExt(&pCxt->msgBuf, TSDB_CODE_PAR_INVALID_IDENTIFIER_NAME,
                                   "The table name cannot contain '.'");
  }
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8161
  return TSDB_CODE_SUCCESS;
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Xiaoyu Wang 已提交
8162
}
8163
static int32_t rewriteCreateSubTable(STranslateContext* pCxt, SCreateSubTableClause* pStmt, SHashObj* pVgroupHashmap) {
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  int32_t code = checkCreateSubTable(pCxt, pStmt);

  STableMeta* pSuperTableMeta = NULL;
  if (TSDB_CODE_SUCCESS == code) {
    code = getTableMeta(pCxt, pStmt->useDbName, pStmt->useTableName, &pSuperTableMeta);
  }
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  if (TSDB_CODE_SUCCESS == code) {
    SName name;
    toName(pCxt->pParseCxt->acctId, pStmt->dbName, pStmt->tableName, &name);
    code = collectUseTable(&name, pCxt->pTargetTables);
  }
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8175

8176
  STag*   pTag = NULL;
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8177
  SArray* tagName = taosArrayInit(8, TSDB_COL_NAME_LEN);
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8178 8179 8180

  if (TSDB_CODE_SUCCESS == code) {
    if (NULL != pStmt->pSpecificTags) {
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8181
      code = buildKVRowForBindTags(pCxt, pStmt, pSuperTableMeta, &pTag, tagName);
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8182
    } else {
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8183
      code = buildKVRowForAllTags(pCxt, pStmt, pSuperTableMeta, &pTag, tagName);
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8184 8185 8186 8187 8188 8189 8190 8191
    }
  }

  SVgroupInfo info = {0};
  if (TSDB_CODE_SUCCESS == code) {
    code = getTableHashVgroup(pCxt, pStmt->dbName, pStmt->tableName, &info);
  }
  if (TSDB_CODE_SUCCESS == code) {
8192
    addCreateTbReqIntoVgroup(pCxt->pParseCxt->acctId, pVgroupHashmap, pStmt, pTag, pSuperTableMeta->uid,
8193
                             pStmt->useTableName, &info, tagName, pSuperTableMeta->tableInfo.numOfTags);
8194 8195
  } else {
    taosMemoryFree(pTag);
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8196 8197
  }

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8198
  taosArrayDestroy(tagName);
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8199 8200
  taosMemoryFreeClear(pSuperTableMeta);
  return code;
8201 8202
}

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8203
SArray* serializeVgroupsCreateTableBatch(SHashObj* pVgroupHashmap) {
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8204 8205 8206 8207
  SArray* pBufArray = taosArrayInit(taosHashGetSize(pVgroupHashmap), sizeof(void*));
  if (NULL == pBufArray) {
    return NULL;
  }
8208

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8209 8210 8211 8212 8213 8214 8215
  int32_t                  code = TSDB_CODE_SUCCESS;
  SVgroupCreateTableBatch* pTbBatch = NULL;
  do {
    pTbBatch = taosHashIterate(pVgroupHashmap, pTbBatch);
    if (pTbBatch == NULL) {
      break;
    }
8216

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8217 8218
    serializeVgroupCreateTableBatch(pTbBatch, pBufArray);
  } while (true);
8219

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8220
  return pBufArray;
8221 8222 8223
}

static int32_t rewriteCreateMultiTable(STranslateContext* pCxt, SQuery* pQuery) {
X
Xiaoyu Wang 已提交
8224
  SCreateMultiTablesStmt* pStmt = (SCreateMultiTablesStmt*)pQuery->pRoot;
8225

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8226 8227 8228 8229
  SHashObj* pVgroupHashmap = taosHashInit(4, taosGetDefaultHashFunction(TSDB_DATA_TYPE_INT), false, HASH_NO_LOCK);
  if (NULL == pVgroupHashmap) {
    return TSDB_CODE_OUT_OF_MEMORY;
  }
8230

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wmmhello 已提交
8231
  taosHashSetFreeFp(pVgroupHashmap, destroyCreateTbReqBatch);
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8232 8233 8234
  int32_t code = TSDB_CODE_SUCCESS;
  SNode*  pNode;
  FOREACH(pNode, pStmt->pSubTables) {
X
Xiaoyu Wang 已提交
8235
    SCreateSubTableClause* pClause = (SCreateSubTableClause*)pNode;
X
Xiaoyu Wang 已提交
8236
    code = rewriteCreateSubTable(pCxt, pClause, pVgroupHashmap);
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8237 8238 8239 8240 8241
    if (TSDB_CODE_SUCCESS != code) {
      taosHashCleanup(pVgroupHashmap);
      return code;
    }
  }
8242

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8243
  SArray* pBufArray = serializeVgroupsCreateTableBatch(pVgroupHashmap);
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8244 8245 8246 8247
  taosHashCleanup(pVgroupHashmap);
  if (NULL == pBufArray) {
    return TSDB_CODE_OUT_OF_MEMORY;
  }
X
Xiaoyu Wang 已提交
8248

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8249
  return rewriteToVnodeModifyOpStmt(pQuery, pBufArray);
X
Xiaoyu Wang 已提交
8250 8251 8252
}

typedef struct SVgroupDropTableBatch {
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8253 8254 8255
  SVDropTbBatchReq req;
  SVgroupInfo      info;
  char             dbName[TSDB_DB_NAME_LEN];
X
Xiaoyu Wang 已提交
8256 8257
} SVgroupDropTableBatch;

8258 8259
static void addDropTbReqIntoVgroup(SHashObj* pVgroupHashmap, SDropTableClause* pClause, SVgroupInfo* pVgInfo,
                                   uint64_t suid) {
8260
  SVDropTbReq            req = {.name = pClause->tableName, .suid = suid, .igNotExists = pClause->ignoreNotExists};
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8261 8262 8263 8264 8265 8266 8267 8268 8269 8270 8271
  SVgroupDropTableBatch* pTableBatch = taosHashGet(pVgroupHashmap, &pVgInfo->vgId, sizeof(pVgInfo->vgId));
  if (NULL == pTableBatch) {
    SVgroupDropTableBatch tBatch = {0};
    tBatch.info = *pVgInfo;
    tBatch.req.pArray = taosArrayInit(TARRAY_MIN_SIZE, sizeof(SVDropTbReq));
    taosArrayPush(tBatch.req.pArray, &req);

    taosHashPut(pVgroupHashmap, &pVgInfo->vgId, sizeof(pVgInfo->vgId), &tBatch, sizeof(tBatch));
  } else {  // add to the correct vgroup
    taosArrayPush(pTableBatch->req.pArray, &req);
  }
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Xiaoyu Wang 已提交
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}

static int32_t buildDropTableVgroupHashmap(STranslateContext* pCxt, SDropTableClause* pClause, bool* pIsSuperTable,
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8275
                                           SHashObj* pVgroupHashmap) {
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8276 8277
  SName name;
  toName(pCxt->pParseCxt->acctId, pClause->dbName, pClause->tableName, &name);
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8278
  STableMeta* pTableMeta = NULL;
D
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8279 8280 8281 8282
  int32_t     code = getTableMetaImpl(pCxt, &name, &pTableMeta);
  if (TSDB_CODE_SUCCESS == code) {
    code = collectUseTable(&name, pCxt->pTargetTables);
  }
X
Xiaoyu Wang 已提交
8283

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8284 8285 8286 8287
  if (TSDB_CODE_SUCCESS == code && TSDB_SUPER_TABLE == pTableMeta->tableType) {
    *pIsSuperTable = true;
    goto over;
  }
X
Xiaoyu Wang 已提交
8288

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8289 8290
  if (TSDB_CODE_PAR_TABLE_NOT_EXIST == code && pClause->ignoreNotExists) {
    code = TSDB_CODE_SUCCESS;
8291
    goto over;
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8292
  }
8293

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8294
  *pIsSuperTable = false;
X
Xiaoyu Wang 已提交
8295

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8296 8297 8298 8299 8300
  SVgroupInfo info = {0};
  if (TSDB_CODE_SUCCESS == code) {
    code = getTableHashVgroup(pCxt, pClause->dbName, pClause->tableName, &info);
  }
  if (TSDB_CODE_SUCCESS == code) {
8301
    addDropTbReqIntoVgroup(pVgroupHashmap, pClause, &info, pTableMeta->suid);
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wmmhello 已提交
8302
  }
X
Xiaoyu Wang 已提交
8303 8304

over:
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8305 8306
  taosMemoryFreeClear(pTableMeta);
  return code;
X
Xiaoyu Wang 已提交
8307 8308
}

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8309 8310 8311 8312
static void destroyDropTbReqBatch(void* data) {
  SVgroupDropTableBatch* pTbBatch = (SVgroupDropTableBatch*)data;
  taosArrayDestroy(pTbBatch->req.pArray);
}
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Xiaoyu Wang 已提交
8313 8314

static int32_t serializeVgroupDropTableBatch(SVgroupDropTableBatch* pTbBatch, SArray* pBufArray) {
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8315 8316 8317 8318 8319 8320 8321 8322 8323 8324 8325 8326 8327 8328 8329 8330 8331 8332 8333 8334 8335 8336 8337 8338 8339 8340 8341 8342 8343
  int      tlen;
  SEncoder coder = {0};

  int32_t ret = 0;
  tEncodeSize(tEncodeSVDropTbBatchReq, &pTbBatch->req, tlen, ret);
  tlen += sizeof(SMsgHead);
  void* buf = taosMemoryMalloc(tlen);
  if (NULL == buf) {
    return TSDB_CODE_OUT_OF_MEMORY;
  }
  ((SMsgHead*)buf)->vgId = htonl(pTbBatch->info.vgId);
  ((SMsgHead*)buf)->contLen = htonl(tlen);
  void* pBuf = POINTER_SHIFT(buf, sizeof(SMsgHead));

  tEncoderInit(&coder, pBuf, tlen - sizeof(SMsgHead));
  tEncodeSVDropTbBatchReq(&coder, &pTbBatch->req);
  tEncoderClear(&coder);

  SVgDataBlocks* pVgData = taosMemoryCalloc(1, sizeof(SVgDataBlocks));
  if (NULL == pVgData) {
    return TSDB_CODE_OUT_OF_MEMORY;
  }
  pVgData->vg = pTbBatch->info;
  pVgData->pData = buf;
  pVgData->size = tlen;
  pVgData->numOfTables = (int32_t)taosArrayGetSize(pTbBatch->req.pArray);
  taosArrayPush(pBufArray, &pVgData);

  return TSDB_CODE_SUCCESS;
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Xiaoyu Wang 已提交
8344 8345
}

wmmhello's avatar
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8346
SArray* serializeVgroupsDropTableBatch(SHashObj* pVgroupHashmap) {
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8347 8348 8349 8350
  SArray* pBufArray = taosArrayInit(taosHashGetSize(pVgroupHashmap), sizeof(void*));
  if (NULL == pBufArray) {
    return NULL;
  }
X
Xiaoyu Wang 已提交
8351

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wmmhello 已提交
8352 8353 8354 8355 8356 8357 8358
  int32_t                code = TSDB_CODE_SUCCESS;
  SVgroupDropTableBatch* pTbBatch = NULL;
  do {
    pTbBatch = taosHashIterate(pVgroupHashmap, pTbBatch);
    if (pTbBatch == NULL) {
      break;
    }
X
Xiaoyu Wang 已提交
8359

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wmmhello 已提交
8360 8361
    serializeVgroupDropTableBatch(pTbBatch, pBufArray);
  } while (true);
X
Xiaoyu Wang 已提交
8362

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8363
  return pBufArray;
X
Xiaoyu Wang 已提交
8364 8365 8366
}

static int32_t rewriteDropTable(STranslateContext* pCxt, SQuery* pQuery) {
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  SDropTableStmt* pStmt = (SDropTableStmt*)pQuery->pRoot;

  SHashObj* pVgroupHashmap = taosHashInit(4, taosGetDefaultHashFunction(TSDB_DATA_TYPE_INT), false, HASH_NO_LOCK);
  if (NULL == pVgroupHashmap) {
    return TSDB_CODE_OUT_OF_MEMORY;
  }

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8374
  taosHashSetFreeFp(pVgroupHashmap, destroyDropTbReqBatch);
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  bool   isSuperTable = false;
  SNode* pNode;
  FOREACH(pNode, pStmt->pTables) {
    int32_t code = buildDropTableVgroupHashmap(pCxt, (SDropTableClause*)pNode, &isSuperTable, pVgroupHashmap);
    if (TSDB_CODE_SUCCESS != code) {
      taosHashCleanup(pVgroupHashmap);
      return code;
    }
    if (isSuperTable && LIST_LENGTH(pStmt->pTables) > 1) {
      return generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_INVALID_DROP_STABLE);
    }
  }

8388
  if (isSuperTable || 0 == taosHashGetSize(pVgroupHashmap)) {
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8389 8390 8391 8392
    taosHashCleanup(pVgroupHashmap);
    return TSDB_CODE_SUCCESS;
  }

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8393
  SArray* pBufArray = serializeVgroupsDropTableBatch(pVgroupHashmap);
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  taosHashCleanup(pVgroupHashmap);
  if (NULL == pBufArray) {
    return TSDB_CODE_OUT_OF_MEMORY;
  }

  return rewriteToVnodeModifyOpStmt(pQuery, pBufArray);
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Xiaoyu Wang 已提交
8400 8401
}

X
Xiaoyu Wang 已提交
8402
static int32_t buildUpdateTagValReq(STranslateContext* pCxt, SAlterTableStmt* pStmt, STableMeta* pTableMeta,
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8403
                                    SVAlterTbReq* pReq) {
X
Xiaoyu Wang 已提交
8404
  SSchema* pSchema = getTagSchema(pTableMeta, pStmt->colName);
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8405
  if (NULL == pSchema) {
X
Xiaoyu Wang 已提交
8406 8407
    return generateSyntaxErrMsgExt(&pCxt->msgBuf, TSDB_CODE_PAR_INVALID_ALTER_TABLE, "Invalid tag name: %s",
                                   pStmt->colName);
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8408 8409
  }

8410
  pReq->tagName = taosStrdup(pStmt->colName);
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  if (NULL == pReq->tagName) {
    return TSDB_CODE_OUT_OF_MEMORY;
  }
8414
  pReq->colId = pSchema->colId;
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  SDataType targetDt = schemaToDataType(pTableMeta->tableInfo.precision, pSchema);
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8417

D
dapan1121 已提交
8418
  if (QUERY_NODE_VALUE != pStmt->pVal->node.type) {
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Hongze Cheng 已提交
8419
    SValueNode* pVal = NULL;
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8420
    pCxt->errCode = createTagValFromExpr(pCxt, targetDt, (SNode*)pStmt->pVal, &pVal);
D
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8421 8422 8423
    if (pCxt->errCode) {
      return pCxt->errCode;
    }
D
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8424 8425 8426

    nodesDestroyNode((SNode*)pStmt->pVal);
    pStmt->pVal = pVal;
D
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8427 8428 8429 8430
  } else if (DEAL_RES_ERROR == translateValueImpl(pCxt, pStmt->pVal, targetDt, true)) {
    return pCxt->errCode;
  }

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8431
  pReq->tagType = targetDt.type;
D
dapan1121 已提交
8432
  if (targetDt.type == TSDB_DATA_TYPE_JSON) {
8433 8434
    if (pStmt->pVal->literal &&
        strlen(pStmt->pVal->literal) > (TSDB_MAX_JSON_TAG_LEN - VARSTR_HEADER_SIZE) / TSDB_NCHAR_SIZE) {
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      return buildSyntaxErrMsg(&pCxt->msgBuf, "json string too long than 4095", pStmt->pVal->literal);
    }
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Xiaoyu Wang 已提交
8437
    SArray* pTagVals = taosArrayInit(1, sizeof(STagVal));
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8438
    int32_t code = TSDB_CODE_SUCCESS;
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Xiaoyu Wang 已提交
8439
    STag*   pTag = NULL;
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8440
    code = parseJsontoTagData(pStmt->pVal->literal, pTagVals, &pTag, &pCxt->msgBuf);
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8441
    taosArrayDestroy(pTagVals);
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Xiaoyu Wang 已提交
8442
    if (code != TSDB_CODE_SUCCESS) {
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8443
      return code;
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8444
    }
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8445
    pReq->nTagVal = pTag->len;
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Xiaoyu Wang 已提交
8446
    pReq->pTagVal = (uint8_t*)pTag;
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8447
    pStmt->pVal->datum.p = (char*)pTag;  // for free
8448
  } else {
8449
    pReq->isNull = pStmt->pVal->isNull;
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8450 8451
    pReq->nTagVal = pStmt->pVal->node.resType.bytes;
    pReq->pTagVal = nodesGetValueFromNode(pStmt->pVal);
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    // data and length are seperated for new tag format STagVal
    if (IS_VAR_DATA_TYPE(pStmt->pVal->node.resType.type)) {
      pReq->nTagVal = varDataLen(pReq->pTagVal);
      pReq->pTagVal = varDataVal(pReq->pTagVal);
    }
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  }

  return TSDB_CODE_SUCCESS;
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}

static int32_t buildAddColReq(STranslateContext* pCxt, SAlterTableStmt* pStmt, STableMeta* pTableMeta,
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                              SVAlterTbReq* pReq) {
  if (NULL != getColSchema(pTableMeta, pStmt->colName)) {
    return generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_DUPLICATED_COLUMN);
  }
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  if ((TSDB_DATA_TYPE_VARCHAR == pStmt->dataType.type && calcTypeBytes(pStmt->dataType) > TSDB_MAX_BINARY_LEN) ||
      (TSDB_DATA_TYPE_NCHAR == pStmt->dataType.type && calcTypeBytes(pStmt->dataType) > TSDB_MAX_NCHAR_LEN)) {
    return generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_INVALID_VAR_COLUMN_LEN);
  }

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  if (TSDB_MAX_COLUMNS == pTableMeta->tableInfo.numOfColumns) {
    return generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_TOO_MANY_COLUMNS);
  }

  if (pTableMeta->tableInfo.rowSize + calcTypeBytes(pStmt->dataType) > TSDB_MAX_BYTES_PER_ROW) {
    return generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_INVALID_ROW_LENGTH, TSDB_MAX_BYTES_PER_ROW);
  }

8482
  pReq->colName = taosStrdup(pStmt->colName);
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  if (NULL == pReq->colName) {
    return TSDB_CODE_OUT_OF_MEMORY;
  }
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  pReq->type = pStmt->dataType.type;
  pReq->flags = COL_SMA_ON;
8489
  pReq->bytes = calcTypeBytes(pStmt->dataType);
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  return TSDB_CODE_SUCCESS;
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}

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static int32_t buildDropColReq(STranslateContext* pCxt, SAlterTableStmt* pStmt, const STableMeta* pTableMeta,
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                               SVAlterTbReq* pReq) {
  if (2 == getNumOfColumns(pTableMeta)) {
    return generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_INVALID_DROP_COL);
  }
8498
  const SSchema* pSchema = getColSchema(pTableMeta, pStmt->colName);
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  if (NULL == pSchema) {
    return generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_INVALID_COLUMN, pStmt->colName);
  } else if (PRIMARYKEY_TIMESTAMP_COL_ID == pSchema->colId) {
    return generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_CANNOT_DROP_PRIMARY_KEY);
  }
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  pReq->colName = taosStrdup(pStmt->colName);
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  if (NULL == pReq->colName) {
    return TSDB_CODE_OUT_OF_MEMORY;
  }
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  pReq->colId = pSchema->colId;
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  return TSDB_CODE_SUCCESS;
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}

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static int32_t buildUpdateColReq(STranslateContext* pCxt, SAlterTableStmt* pStmt, const STableMeta* pTableMeta,
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                                 SVAlterTbReq* pReq) {
  pReq->colModBytes = calcTypeBytes(pStmt->dataType);
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  pReq->colModType = pStmt->dataType.type;
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  const SSchema* pSchema = getColSchema(pTableMeta, pStmt->colName);
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  if (NULL == pSchema) {
    return generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_INVALID_COLUMN, pStmt->colName);
  } else if (!IS_VAR_DATA_TYPE(pSchema->type) || pSchema->type != pStmt->dataType.type ||
             pSchema->bytes >= pReq->colModBytes) {
    return generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_INVALID_MODIFY_COL);
  }
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  if ((TSDB_DATA_TYPE_VARCHAR == pStmt->dataType.type && calcTypeBytes(pStmt->dataType) > TSDB_MAX_BINARY_LEN) ||
      (TSDB_DATA_TYPE_NCHAR == pStmt->dataType.type && calcTypeBytes(pStmt->dataType) > TSDB_MAX_NCHAR_LEN)) {
    return generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_INVALID_VAR_COLUMN_LEN);
  }

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  if (pTableMeta->tableInfo.rowSize + pReq->colModBytes - pSchema->bytes > TSDB_MAX_BYTES_PER_ROW) {
    return generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_INVALID_ROW_LENGTH, TSDB_MAX_BYTES_PER_ROW);
  }

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  pReq->colName = taosStrdup(pStmt->colName);
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  if (NULL == pReq->colName) {
    return TSDB_CODE_OUT_OF_MEMORY;
  }
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  pReq->colId = pSchema->colId;
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  return TSDB_CODE_SUCCESS;
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}

static int32_t buildRenameColReq(STranslateContext* pCxt, SAlterTableStmt* pStmt, STableMeta* pTableMeta,
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                                 SVAlterTbReq* pReq) {
  if (NULL == getColSchema(pTableMeta, pStmt->colName)) {
    return generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_INVALID_COLUMN, pStmt->colName);
  }
  if (NULL != getColSchema(pTableMeta, pStmt->newColName)) {
    return generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_DUPLICATED_COLUMN);
  }

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  pReq->colName = taosStrdup(pStmt->colName);
  pReq->colNewName = taosStrdup(pStmt->newColName);
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  if (NULL == pReq->colName || NULL == pReq->colNewName) {
    return TSDB_CODE_OUT_OF_MEMORY;
  }
  return TSDB_CODE_SUCCESS;
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}

static int32_t buildUpdateOptionsReq(STranslateContext* pCxt, SAlterTableStmt* pStmt, SVAlterTbReq* pReq) {
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  int32_t code = TSDB_CODE_SUCCESS;
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  if (-1 != pStmt->pOptions->ttl) {
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    pReq->updateTTL = true;
    pReq->newTTL = pStmt->pOptions->ttl;
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  }
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  if (TSDB_CODE_SUCCESS == code) {
    if (pStmt->pOptions->commentNull == false) {
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      pReq->newComment = taosStrdup(pStmt->pOptions->comment);
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      if (NULL == pReq->newComment) {
        code = TSDB_CODE_OUT_OF_MEMORY;
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      } else {
        pReq->newCommentLen = strlen(pReq->newComment);
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      }
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    } else {
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      pReq->newCommentLen = -1;
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    }
  }
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  return code;
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}

static int32_t buildAlterTbReq(STranslateContext* pCxt, SAlterTableStmt* pStmt, STableMeta* pTableMeta,
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                               SVAlterTbReq* pReq) {
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  pReq->tbName = taosStrdup(pStmt->tableName);
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  if (NULL == pReq->tbName) {
    return TSDB_CODE_OUT_OF_MEMORY;
  }
  pReq->action = pStmt->alterType;

  switch (pStmt->alterType) {
    case TSDB_ALTER_TABLE_ADD_TAG:
    case TSDB_ALTER_TABLE_DROP_TAG:
    case TSDB_ALTER_TABLE_UPDATE_TAG_NAME:
    case TSDB_ALTER_TABLE_UPDATE_TAG_BYTES:
      return generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_INVALID_ALTER_TABLE);
    case TSDB_ALTER_TABLE_UPDATE_TAG_VAL:
      return buildUpdateTagValReq(pCxt, pStmt, pTableMeta, pReq);
    case TSDB_ALTER_TABLE_ADD_COLUMN:
      return buildAddColReq(pCxt, pStmt, pTableMeta, pReq);
    case TSDB_ALTER_TABLE_DROP_COLUMN:
      return buildDropColReq(pCxt, pStmt, pTableMeta, pReq);
    case TSDB_ALTER_TABLE_UPDATE_COLUMN_BYTES:
      return buildUpdateColReq(pCxt, pStmt, pTableMeta, pReq);
    case TSDB_ALTER_TABLE_UPDATE_OPTIONS:
      return buildUpdateOptionsReq(pCxt, pStmt, pReq);
    case TSDB_ALTER_TABLE_UPDATE_COLUMN_NAME:
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      if (TSDB_CHILD_TABLE == pTableMeta->tableType) {
        return generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_INVALID_ALTER_TABLE);
      } else {
        return buildRenameColReq(pCxt, pStmt, pTableMeta, pReq);
      }
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    default:
      break;
  }

  return TSDB_CODE_FAILED;
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}

static int32_t serializeAlterTbReq(STranslateContext* pCxt, SAlterTableStmt* pStmt, SVAlterTbReq* pReq,
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                                   SArray* pArray) {
  SVgroupInfo vg = {0};
  int32_t     code = getTableHashVgroup(pCxt, pStmt->dbName, pStmt->tableName, &vg);
  int         tlen = 0;
  if (TSDB_CODE_SUCCESS == code) {
    tEncodeSize(tEncodeSVAlterTbReq, pReq, tlen, code);
  }
  if (TSDB_CODE_SUCCESS == code) {
    tlen += sizeof(SMsgHead);
    void* pMsg = taosMemoryMalloc(tlen);
    if (NULL == pMsg) {
      return TSDB_CODE_OUT_OF_MEMORY;
    }
    ((SMsgHead*)pMsg)->vgId = htonl(vg.vgId);
    ((SMsgHead*)pMsg)->contLen = htonl(tlen);
    void*    pBuf = POINTER_SHIFT(pMsg, sizeof(SMsgHead));
    SEncoder coder = {0};
    tEncoderInit(&coder, pBuf, tlen - sizeof(SMsgHead));
    tEncodeSVAlterTbReq(&coder, pReq);
    tEncoderClear(&coder);

    SVgDataBlocks* pVgData = taosMemoryCalloc(1, sizeof(SVgDataBlocks));
    if (NULL == pVgData) {
      taosMemoryFree(pMsg);
      return TSDB_CODE_OUT_OF_MEMORY;
    }
    pVgData->vg = vg;
    pVgData->pData = pMsg;
    pVgData->size = tlen;
    pVgData->numOfTables = 1;
    taosArrayPush(pArray, &pVgData);
  }

  return code;
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}

static int32_t buildModifyVnodeArray(STranslateContext* pCxt, SAlterTableStmt* pStmt, SVAlterTbReq* pReq,
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                                     SArray** pArray) {
  SArray* pTmpArray = taosArrayInit(1, sizeof(void*));
  if (NULL == pTmpArray) {
    return TSDB_CODE_OUT_OF_MEMORY;
  }
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  int32_t code = serializeAlterTbReq(pCxt, pStmt, pReq, pTmpArray);
  if (TSDB_CODE_SUCCESS == code) {
    *pArray = pTmpArray;
  } else {
    taosArrayDestroy(pTmpArray);
  }
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  return code;
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}

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static void destoryAlterTbReq(SVAlterTbReq* pReq) {
  taosMemoryFree(pReq->tbName);
  taosMemoryFree(pReq->colName);
  taosMemoryFree(pReq->colNewName);
  taosMemoryFree(pReq->tagName);
  taosMemoryFree(pReq->newComment);
}

8684 8685
static int32_t rewriteAlterTableImpl(STranslateContext* pCxt, SAlterTableStmt* pStmt, STableMeta* pTableMeta,
                                     SQuery* pQuery) {
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  if (TSDB_SUPER_TABLE == pTableMeta->tableType) {
    return TSDB_CODE_SUCCESS;
  } else if (TSDB_CHILD_TABLE != pTableMeta->tableType && TSDB_NORMAL_TABLE != pTableMeta->tableType) {
    return generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_INVALID_ALTER_TABLE);
  }
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  SVAlterTbReq req = {0};
8693
  int32_t      code = buildAlterTbReq(pCxt, pStmt, pTableMeta, &req);
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  SArray* pArray = NULL;
  if (TSDB_CODE_SUCCESS == code) {
    code = buildModifyVnodeArray(pCxt, pStmt, &req, &pArray);
  }
  if (TSDB_CODE_SUCCESS == code) {
    code = rewriteToVnodeModifyOpStmt(pQuery, pArray);
  }
8702
  destoryAlterTbReq(&req);
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  return code;
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}

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static int32_t rewriteAlterTable(STranslateContext* pCxt, SQuery* pQuery) {
  SAlterTableStmt* pStmt = (SAlterTableStmt*)pQuery->pRoot;

  if (pStmt->dataType.type == TSDB_DATA_TYPE_JSON && pStmt->alterType == TSDB_ALTER_TABLE_ADD_COLUMN) {
    return generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_INVALID_COL_JSON);
  }

  STableMeta* pTableMeta = NULL;
  int32_t     code = getTableMeta(pCxt, pStmt->dbName, pStmt->tableName, &pTableMeta);
  if (TSDB_CODE_SUCCESS == code) {
    code = rewriteAlterTableImpl(pCxt, pStmt, pTableMeta, pQuery);
  }
  taosMemoryFree(pTableMeta);
  return code;
}

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static int32_t serializeFlushVgroup(SVgroupInfo* pVg, SArray* pBufArray) {
  int32_t len = sizeof(SMsgHead);
  void*   buf = taosMemoryMalloc(len);
  if (NULL == buf) {
    return TSDB_CODE_OUT_OF_MEMORY;
  }
  ((SMsgHead*)buf)->vgId = htonl(pVg->vgId);
  ((SMsgHead*)buf)->contLen = htonl(len);

  SVgDataBlocks* pVgData = taosMemoryCalloc(1, sizeof(SVgDataBlocks));
  if (NULL == pVgData) {
    taosMemoryFree(buf);
    return TSDB_CODE_OUT_OF_MEMORY;
  }
  pVgData->vg = *pVg;
  pVgData->pData = buf;
  pVgData->size = len;
  taosArrayPush(pBufArray, &pVgData);

  return TSDB_CODE_SUCCESS;
}

static int32_t serializeFlushDb(SArray* pVgs, SArray** pOutput) {
  int32_t numOfVgs = taosArrayGetSize(pVgs);

  SArray* pBufArray = taosArrayInit(numOfVgs, sizeof(void*));
  if (NULL == pBufArray) {
    return TSDB_CODE_OUT_OF_MEMORY;
  }

  for (int32_t i = 0; i < numOfVgs; ++i) {
    int32_t code = serializeFlushVgroup((SVgroupInfo*)taosArrayGet(pVgs, i), pBufArray);
    if (TSDB_CODE_SUCCESS != code) {
      taosArrayDestroy(pBufArray);
      return code;
    }
  }

  *pOutput = pBufArray;
  return TSDB_CODE_SUCCESS;
}

static int32_t rewriteFlushDatabase(STranslateContext* pCxt, SQuery* pQuery) {
  SFlushDatabaseStmt* pStmt = (SFlushDatabaseStmt*)pQuery->pRoot;

  SArray* pBufArray = NULL;
  SArray* pVgs = NULL;
  int32_t code = getDBVgInfo(pCxt, pStmt->dbName, &pVgs);
  if (TSDB_CODE_SUCCESS == code) {
    code = serializeFlushDb(pVgs, &pBufArray);
  }
  if (TSDB_CODE_SUCCESS == code) {
    code = rewriteToVnodeModifyOpStmt(pQuery, pBufArray);
  }
  if (TSDB_CODE_SUCCESS != code) {
    taosArrayDestroy(pBufArray);
  }
  taosArrayDestroy(pVgs);
  return code;
}

8783
static int32_t rewriteQuery(STranslateContext* pCxt, SQuery* pQuery) {
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  int32_t code = TSDB_CODE_SUCCESS;
  switch (nodeType(pQuery->pRoot)) {
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    case QUERY_NODE_SHOW_LICENCES_STMT:
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    case QUERY_NODE_SHOW_DATABASES_STMT:
    case QUERY_NODE_SHOW_TABLES_STMT:
    case QUERY_NODE_SHOW_STABLES_STMT:
    case QUERY_NODE_SHOW_USERS_STMT:
    case QUERY_NODE_SHOW_DNODES_STMT:
    case QUERY_NODE_SHOW_MNODES_STMT:
    case QUERY_NODE_SHOW_MODULES_STMT:
    case QUERY_NODE_SHOW_QNODES_STMT:
    case QUERY_NODE_SHOW_FUNCTIONS_STMT:
    case QUERY_NODE_SHOW_INDEXES_STMT:
    case QUERY_NODE_SHOW_STREAMS_STMT:
    case QUERY_NODE_SHOW_BNODES_STMT:
    case QUERY_NODE_SHOW_SNODES_STMT:
    case QUERY_NODE_SHOW_CONNECTIONS_STMT:
    case QUERY_NODE_SHOW_QUERIES_STMT:
    case QUERY_NODE_SHOW_CLUSTER_STMT:
    case QUERY_NODE_SHOW_TOPICS_STMT:
    case QUERY_NODE_SHOW_TRANSACTIONS_STMT:
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    case QUERY_NODE_SHOW_APPS_STMT:
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    case QUERY_NODE_SHOW_CONSUMERS_STMT:
    case QUERY_NODE_SHOW_SUBSCRIPTIONS_STMT:
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    case QUERY_NODE_SHOW_TAGS_STMT:
8809
    case QUERY_NODE_SHOW_USER_PRIVILEGES_STMT:
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      code = rewriteShow(pCxt, pQuery);
      break;
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    case QUERY_NODE_SHOW_VGROUPS_STMT:
      code = rewriteShowVgroups(pCxt, pQuery);
      break;
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    case QUERY_NODE_SHOW_TABLE_TAGS_STMT:
      code = rewriteShowStableTags(pCxt, pQuery);
      break;
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    case QUERY_NODE_SHOW_DNODE_VARIABLES_STMT:
      code = rewriteShowDnodeVariables(pCxt, pQuery);
      break;
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    case QUERY_NODE_SHOW_VNODES_STMT:
      code = rewriteShowVnodes(pCxt, pQuery);
      break;
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    case QUERY_NODE_SHOW_TABLE_DISTRIBUTED_STMT:
      code = rewriteShowTableDist(pCxt, pQuery);
      break;
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    case QUERY_NODE_CREATE_TABLE_STMT:
      if (NULL == ((SCreateTableStmt*)pQuery->pRoot)->pTags) {
        code = rewriteCreateTable(pCxt, pQuery);
      }
      break;
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    case QUERY_NODE_CREATE_MULTI_TABLES_STMT:
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      code = rewriteCreateMultiTable(pCxt, pQuery);
      break;
    case QUERY_NODE_DROP_TABLE_STMT:
      code = rewriteDropTable(pCxt, pQuery);
      break;
    case QUERY_NODE_ALTER_TABLE_STMT:
      code = rewriteAlterTable(pCxt, pQuery);
      break;
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    case QUERY_NODE_FLUSH_DATABASE_STMT:
      code = rewriteFlushDatabase(pCxt, pQuery);
      break;
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    default:
      break;
  }
  return code;
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}

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static int32_t toMsgType(ENodeType type) {
  switch (type) {
    case QUERY_NODE_CREATE_TABLE_STMT:
      return TDMT_VND_CREATE_TABLE;
    case QUERY_NODE_ALTER_TABLE_STMT:
      return TDMT_VND_ALTER_TABLE;
    case QUERY_NODE_DROP_TABLE_STMT:
      return TDMT_VND_DROP_TABLE;
    default:
      break;
  }
  return TDMT_VND_CREATE_TABLE;
}

static int32_t setRefreshMate(STranslateContext* pCxt, SQuery* pQuery) {
  if (NULL != pCxt->pDbs) {
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    taosArrayDestroy(pQuery->pDbList);
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    pQuery->pDbList = taosArrayInit(taosHashGetSize(pCxt->pDbs), TSDB_DB_FNAME_LEN);
    if (NULL == pQuery->pDbList) {
      return TSDB_CODE_OUT_OF_MEMORY;
    }
    SFullDatabaseName* pDb = taosHashIterate(pCxt->pDbs, NULL);
    while (NULL != pDb) {
      taosArrayPush(pQuery->pDbList, pDb->fullDbName);
      pDb = taosHashIterate(pCxt->pDbs, pDb);
    }
  }

  if (NULL != pCxt->pTables) {
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    taosArrayDestroy(pQuery->pTableList);
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    pQuery->pTableList = taosArrayInit(taosHashGetSize(pCxt->pTables), sizeof(SName));
    if (NULL == pQuery->pTableList) {
      return TSDB_CODE_OUT_OF_MEMORY;
    }
    SName* pTable = taosHashIterate(pCxt->pTables, NULL);
    while (NULL != pTable) {
      taosArrayPush(pQuery->pTableList, pTable);
      pTable = taosHashIterate(pCxt->pTables, pTable);
    }
  }
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  if (NULL != pCxt->pTargetTables) {
    taosArrayDestroy(pQuery->pTargetTableList);
    pQuery->pTargetTableList = taosArrayInit(taosHashGetSize(pCxt->pTargetTables), sizeof(SName));
    if (NULL == pQuery->pTargetTableList) {
      return TSDB_CODE_OUT_OF_MEMORY;
    }
    SName* pTable = taosHashIterate(pCxt->pTargetTables, NULL);
    while (NULL != pTable) {
      taosArrayPush(pQuery->pTargetTableList, pTable);
      pTable = taosHashIterate(pCxt->pTargetTables, pTable);
    }
  }

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  return TSDB_CODE_SUCCESS;
}

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static int32_t setQuery(STranslateContext* pCxt, SQuery* pQuery) {
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  switch (nodeType(pQuery->pRoot)) {
    case QUERY_NODE_SELECT_STMT:
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      if (NULL == ((SSelectStmt*)pQuery->pRoot)->pFromTable) {
        pQuery->execMode = QUERY_EXEC_MODE_LOCAL;
        pQuery->haveResultSet = true;
        break;
      }
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    case QUERY_NODE_SET_OPERATOR:
    case QUERY_NODE_EXPLAIN_STMT:
      pQuery->execMode = QUERY_EXEC_MODE_SCHEDULE;
      pQuery->haveResultSet = true;
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      pQuery->msgType = TDMT_SCH_QUERY;
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      break;
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    case QUERY_NODE_DELETE_STMT:
      pQuery->execMode = QUERY_EXEC_MODE_SCHEDULE;
      pQuery->msgType = TDMT_VND_DELETE;
      break;
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    case QUERY_NODE_INSERT_STMT:
      pQuery->execMode = QUERY_EXEC_MODE_SCHEDULE;
      pQuery->msgType = TDMT_VND_SUBMIT;
      break;
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    case QUERY_NODE_VNODE_MODIFY_STMT:
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      pQuery->execMode = QUERY_EXEC_MODE_SCHEDULE;
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      pQuery->msgType = toMsgType(((SVnodeModifyOpStmt*)pQuery->pRoot)->sqlNodeType);
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      break;
    case QUERY_NODE_DESCRIBE_STMT:
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    case QUERY_NODE_SHOW_CREATE_DATABASE_STMT:
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    case QUERY_NODE_SHOW_DB_ALIVE_STMT:
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    case QUERY_NODE_SHOW_CLUSTER_ALIVE_STMT:
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    case QUERY_NODE_SHOW_CREATE_TABLE_STMT:
    case QUERY_NODE_SHOW_CREATE_STABLE_STMT:
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    case QUERY_NODE_SHOW_LOCAL_VARIABLES_STMT:
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      pQuery->execMode = QUERY_EXEC_MODE_LOCAL;
      pQuery->haveResultSet = true;
      break;
    case QUERY_NODE_RESET_QUERY_CACHE_STMT:
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    case QUERY_NODE_ALTER_LOCAL_STMT:
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      pQuery->execMode = QUERY_EXEC_MODE_LOCAL;
      break;
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    case QUERY_NODE_SHOW_VARIABLES_STMT:
      pQuery->haveResultSet = true;
      pQuery->execMode = QUERY_EXEC_MODE_RPC;
      if (NULL != pCxt->pCmdMsg) {
        TSWAP(pQuery->pCmdMsg, pCxt->pCmdMsg);
        pQuery->msgType = pQuery->pCmdMsg->msgType;
      }
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      break;
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    default:
      pQuery->execMode = QUERY_EXEC_MODE_RPC;
      if (NULL != pCxt->pCmdMsg) {
        TSWAP(pQuery->pCmdMsg, pCxt->pCmdMsg);
        pQuery->msgType = pQuery->pCmdMsg->msgType;
      }
      break;
  }

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  pQuery->stableQuery = pCxt->stableQuery;

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  if (pQuery->haveResultSet) {
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    taosMemoryFreeClear(pQuery->pResSchema);
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    if (TSDB_CODE_SUCCESS != extractResultSchema(pQuery->pRoot, &pQuery->numOfResCols, &pQuery->pResSchema)) {
      return TSDB_CODE_OUT_OF_MEMORY;
    }

    if (nodeType(pQuery->pRoot) == QUERY_NODE_SELECT_STMT) {
      pQuery->precision = extractResultTsPrecision((SSelectStmt*)pQuery->pRoot);
    }
  }

  return TSDB_CODE_SUCCESS;
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}

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int32_t translate(SParseContext* pParseCxt, SQuery* pQuery, SParseMetaCache* pMetaCache) {
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  STranslateContext cxt = {0};

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  int32_t code = initTranslateContext(pParseCxt, pMetaCache, &cxt);
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  if (TSDB_CODE_SUCCESS == code) {
    code = rewriteQuery(&cxt, pQuery);
  }
  if (TSDB_CODE_SUCCESS == code) {
    code = translateQuery(&cxt, pQuery->pRoot);
  }
  if (TSDB_CODE_SUCCESS == code) {
    code = setQuery(&cxt, pQuery);
  }
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  setRefreshMate(&cxt, pQuery);
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  destroyTranslateContext(&cxt);
  return code;
}