/* * Copyright (c) 2019 TAOS Data, Inc. * * 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 . */ #include "parInt.h" #include "catalog.h" #include "cmdnodes.h" #include "filter.h" #include "functionMgt.h" #include "parUtil.h" #include "scalar.h" #include "systable.h" #include "tglobal.h" #include "ttime.h" #define generateDealNodeErrMsg(pCxt, code, ...) \ (pCxt->errCode = generateSyntaxErrMsg(&pCxt->msgBuf, code, ##__VA_ARGS__), DEAL_RES_ERROR) typedef struct STranslateContext { SParseContext* pParseCxt; int32_t errCode; SMsgBuf msgBuf; SArray* pNsLevel; // element is SArray*, the element of this subarray is STableNode* int32_t currLevel; ESqlClause currClause; SSelectStmt* pCurrStmt; SCmdMsgInfo* pCmdMsg; SHashObj* pDbs; SHashObj* pTables; SExplainOptions* pExplainOpt; } STranslateContext; typedef struct SFullDatabaseName { char fullDbName[TSDB_DB_FNAME_LEN]; } SFullDatabaseName; static int32_t translateSubquery(STranslateContext* pCxt, SNode* pNode); static int32_t translateQuery(STranslateContext* pCxt, SNode* pNode); static bool afterGroupBy(ESqlClause clause) { return clause > SQL_CLAUSE_GROUP_BY; } static bool beforeHaving(ESqlClause clause) { return clause < SQL_CLAUSE_HAVING; } static int32_t addNamespace(STranslateContext* pCxt, void* pTable) { size_t currTotalLevel = taosArrayGetSize(pCxt->pNsLevel); if (currTotalLevel > pCxt->currLevel) { SArray* pTables = taosArrayGetP(pCxt->pNsLevel, pCxt->currLevel); taosArrayPush(pTables, &pTable); } else { do { SArray* pTables = taosArrayInit(TARRAY_MIN_SIZE, POINTER_BYTES); if (pCxt->currLevel == currTotalLevel) { taosArrayPush(pTables, &pTable); } taosArrayPush(pCxt->pNsLevel, &pTables); ++currTotalLevel; } while (currTotalLevel <= pCxt->currLevel); } return TSDB_CODE_SUCCESS; } static SName* toName(int32_t acctId, const char* pDbName, const char* pTableName, SName* pName) { pName->type = TSDB_TABLE_NAME_T; pName->acctId = acctId; strcpy(pName->dbname, pDbName); strcpy(pName->tname, pTableName); return pName; } static int32_t collectUseDatabaseImpl(const char* pFullDbName, SHashObj* pDbs) { SFullDatabaseName name = {0}; strcpy(name.fullDbName, pFullDbName); return taosHashPut(pDbs, pFullDbName, strlen(pFullDbName), &name, sizeof(SFullDatabaseName)); } static int32_t collectUseDatabase(const SName* pName, SHashObj* pDbs) { char dbFName[TSDB_DB_FNAME_LEN] = {0}; tNameGetFullDbName(pName, dbFName); return collectUseDatabaseImpl(dbFName, pDbs); } static int32_t collectUseTable(const SName* pName, SHashObj* pDbs) { char fullName[TSDB_TABLE_FNAME_LEN]; tNameExtractFullName(pName, fullName); return taosHashPut(pDbs, fullName, strlen(fullName), pName, sizeof(SName)); } static int32_t getTableMetaImpl(STranslateContext* pCxt, const SName* pName, STableMeta** pMeta) { 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) { code = catalogGetTableMeta(pParCxt->pCatalog, pParCxt->pTransporter, &pParCxt->mgmtEpSet, pName, pMeta); } if (TSDB_CODE_SUCCESS != code) { parserError("catalogGetTableMeta error, code:%s, dbName:%s, tbName:%s", tstrerror(code), pName->dbname, pName->tname); } return code; } static int32_t getTableMeta(STranslateContext* pCxt, const char* pDbName, const char* pTableName, STableMeta** pMeta) { SName name; return getTableMetaImpl(pCxt, toName(pCxt->pParseCxt->acctId, pDbName, pTableName, &name), pMeta); } static int32_t getTableDistVgInfo(STranslateContext* pCxt, const SName* pName, SArray** pVgInfo) { 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) { code = catalogGetTableDistVgInfo(pParCxt->pCatalog, pParCxt->pTransporter, &pParCxt->mgmtEpSet, pName, pVgInfo); } if (TSDB_CODE_SUCCESS != code) { parserError("catalogGetTableDistVgInfo error, code:%s, dbName:%s, tbName:%s", tstrerror(code), pName->dbname, pName->tname); } return code; } static int32_t getDBVgInfoImpl(STranslateContext* pCxt, const SName* pName, SArray** pVgInfo) { SParseContext* pParCxt = pCxt->pParseCxt; char fullDbName[TSDB_DB_FNAME_LEN]; tNameGetFullDbName(pName, fullDbName); int32_t code = collectUseDatabaseImpl(fullDbName, pCxt->pDbs); if (TSDB_CODE_SUCCESS == code) { code = catalogGetDBVgInfo(pParCxt->pCatalog, pParCxt->pTransporter, &pParCxt->mgmtEpSet, fullDbName, pVgInfo); } if (TSDB_CODE_SUCCESS != code) { parserError("catalogGetDBVgInfo error, code:%s, dbFName:%s", tstrerror(code), fullDbName); } return code; } static int32_t getDBVgInfo(STranslateContext* pCxt, const char* pDbName, SArray** pVgInfo) { 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); } static int32_t getTableHashVgroupImpl(STranslateContext* pCxt, const SName* pName, SVgroupInfo* pInfo) { 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) { code = catalogGetTableHashVgroup(pParCxt->pCatalog, pParCxt->pTransporter, &pParCxt->mgmtEpSet, pName, pInfo); } if (TSDB_CODE_SUCCESS != code) { parserError("catalogGetTableHashVgroup error, code:%s, dbName:%s, tbName:%s", tstrerror(code), pName->dbname, pName->tname); } return code; } static int32_t getTableHashVgroup(STranslateContext* pCxt, const char* pDbName, const char* pTableName, SVgroupInfo* pInfo) { SName name; return getTableHashVgroupImpl(pCxt, toName(pCxt->pParseCxt->acctId, pDbName, pTableName, &name), pInfo); } static int32_t getDBVgVersion(STranslateContext* pCxt, const char* pDbFName, int32_t* pVersion, int64_t* pDbId, int32_t* pTableNum) { SParseContext* pParCxt = pCxt->pParseCxt; int32_t code = collectUseDatabaseImpl(pDbFName, pCxt->pDbs); if (TSDB_CODE_SUCCESS == code) { code = catalogGetDBVgVersion(pParCxt->pCatalog, pDbFName, pVersion, pDbId, pTableNum); } if (TSDB_CODE_SUCCESS != code) { parserError("catalogGetDBVgVersion error, code:%s, dbFName:%s", tstrerror(code), pDbFName); } return code; } static int32_t getDBCfg(STranslateContext* pCxt, const char* pDbName, SDbCfgInfo* pInfo) { SParseContext* pParCxt = pCxt->pParseCxt; SName name; tNameSetDbName(&name, pCxt->pParseCxt->acctId, pDbName, strlen(pDbName)); char dbFname[TSDB_DB_FNAME_LEN] = {0}; tNameGetFullDbName(&name, dbFname); int32_t code = collectUseDatabaseImpl(dbFname, pCxt->pDbs); if (TSDB_CODE_SUCCESS == code) { code = catalogGetDBCfg(pParCxt->pCatalog, pParCxt->pTransporter, &pParCxt->mgmtEpSet, dbFname, pInfo); } if (TSDB_CODE_SUCCESS != code) { parserError("catalogGetDBCfg error, code:%s, dbFName:%s", tstrerror(code), dbFname); } return code; } static int32_t initTranslateContext(SParseContext* pParseCxt, STranslateContext* pCxt) { 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; pCxt->currClause = 0; 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); if (NULL == pCxt->pNsLevel || NULL == pCxt->pDbs || NULL == pCxt->pTables) { return TSDB_CODE_OUT_OF_MEMORY; } return TSDB_CODE_SUCCESS; } static int32_t resetTranslateNamespace(STranslateContext* pCxt) { 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; } static void destroyTranslateContext(STranslateContext* pCxt) { 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); } if (NULL != pCxt->pCmdMsg) { taosMemoryFreeClear(pCxt->pCmdMsg->pMsg); taosMemoryFreeClear(pCxt->pCmdMsg); } taosHashCleanup(pCxt->pDbs); taosHashCleanup(pCxt->pTables); } static bool isAliasColumn(const SNode* pNode) { return (QUERY_NODE_COLUMN == nodeType(pNode) && ('\0' == ((SColumnNode*)pNode)->tableAlias[0])); } static bool isAggFunc(const SNode* pNode) { return (QUERY_NODE_FUNCTION == nodeType(pNode) && fmIsAggFunc(((SFunctionNode*)pNode)->funcId)); } static bool isSelectFunc(const SNode* pNode) { return (QUERY_NODE_FUNCTION == nodeType(pNode) && fmIsSelectFunc(((SFunctionNode*)pNode)->funcId)); } static bool isTimelineFunc(const SNode* pNode) { return (QUERY_NODE_FUNCTION == nodeType(pNode) && fmIsTimelineFunc(((SFunctionNode*)pNode)->funcId)); } static bool isDistinctOrderBy(STranslateContext* pCxt) { return (SQL_CLAUSE_ORDER_BY == pCxt->currClause && pCxt->pCurrStmt->isDistinct); } static bool belongTable(const char* currentDb, const SColumnNode* pCol, const STableNode* pTable) { int cmp = 0; if ('\0' != pCol->dbName[0]) { cmp = strcmp(pCol->dbName, pTable->dbName); } else { cmp = (QUERY_NODE_REAL_TABLE == nodeType(pTable) ? strcmp(currentDb, pTable->dbName) : 0); } if (0 == cmp) { cmp = strcmp(pCol->tableAlias, pTable->tableAlias); } return (0 == cmp); } static SNodeList* getProjectList(const SNode* pNode) { 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; } static void setColumnInfoBySchema(const SRealTableNode* pTable, const SSchema* pColSchema, bool isTag, 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); } pCol->tableId = pTable->pMeta->uid; pCol->tableType = pTable->pMeta->tableType; pCol->colId = pColSchema->colId; pCol->colType = isTag ? COLUMN_TYPE_TAG : COLUMN_TYPE_COLUMN; 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; } } static void setColumnInfoByExpr(const STableNode* pTable, SExprNode* pExpr, SColumnNode* pCol) { pCol->pProjectRef = (SNode*)pExpr; if (NULL == pExpr->pAssociation) { pExpr->pAssociation = taosArrayInit(TARRAY_MIN_SIZE, POINTER_BYTES); } taosArrayPush(pExpr->pAssociation, &pCol); if (NULL != pTable) { strcpy(pCol->tableAlias, pTable->tableAlias); } else if (QUERY_NODE_COLUMN == nodeType(pExpr)) { SColumnNode* pProjCol = (SColumnNode*)pExpr; strcpy(pCol->tableAlias, pProjCol->tableAlias); pCol->tableId = pProjCol->tableId; pCol->colId = pProjCol->colId; pCol->colType = pProjCol->colType; } strcpy(pCol->colName, pExpr->aliasName); if ('\0' == pCol->node.aliasName[0]) { strcpy(pCol->node.aliasName, pCol->colName); } pCol->node.resType = pExpr->resType; } static int32_t createColumnsByTable(STranslateContext* pCxt, const STableNode* pTable, SNodeList* pList) { if (QUERY_NODE_REAL_TABLE == nodeType(pTable)) { const STableMeta* pMeta = ((SRealTableNode*)pTable)->pMeta; int32_t nums = pMeta->tableInfo.numOfColumns + ((TSDB_SUPER_TABLE == pMeta->tableType) ? pMeta->tableInfo.numOfTags : 0); for (int32_t i = 0; i < nums; ++i) { SColumnNode* pCol = (SColumnNode*)nodesMakeNode(QUERY_NODE_COLUMN); if (NULL == pCol) { return generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_OUT_OF_MEMORY); } setColumnInfoBySchema((SRealTableNode*)pTable, pMeta->schema + i, (i >= pMeta->tableInfo.numOfColumns), pCol); nodesListAppend(pList, (SNode*)pCol); } } else { SNodeList* pProjectList = getProjectList(((STempTableNode*)pTable)->pSubquery); SNode* pNode; FOREACH(pNode, pProjectList) { SColumnNode* pCol = (SColumnNode*)nodesMakeNode(QUERY_NODE_COLUMN); if (NULL == pCol) { return generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_OUT_OF_MEMORY); } setColumnInfoByExpr(pTable, (SExprNode*)pNode, pCol); nodesListAppend(pList, (SNode*)pCol); } } return TSDB_CODE_SUCCESS; } static bool isInternalPrimaryKey(const SColumnNode* pCol) { return PRIMARYKEY_TIMESTAMP_COL_ID == pCol->colId && 0 == strcmp(pCol->colName, PK_TS_COL_INTERNAL_NAME); } static bool findAndSetColumn(SColumnNode* pCol, const STableNode* pTable) { bool found = false; if (QUERY_NODE_REAL_TABLE == nodeType(pTable)) { const STableMeta* pMeta = ((SRealTableNode*)pTable)->pMeta; if (isInternalPrimaryKey(pCol)) { setColumnInfoBySchema((SRealTableNode*)pTable, pMeta->schema, false, pCol); return true; } int32_t nums = pMeta->tableInfo.numOfTags + pMeta->tableInfo.numOfColumns; for (int32_t i = 0; i < nums; ++i) { if (0 == strcmp(pCol->colName, pMeta->schema[i].name)) { setColumnInfoBySchema((SRealTableNode*)pTable, pMeta->schema + i, (i >= pMeta->tableInfo.numOfColumns), pCol); found = true; break; } } } else { SNodeList* pProjectList = getProjectList(((STempTableNode*)pTable)->pSubquery); SNode* pNode; FOREACH(pNode, pProjectList) { SExprNode* pExpr = (SExprNode*)pNode; if (0 == strcmp(pCol->colName, pExpr->aliasName) || ((QUERY_NODE_COLUMN == nodeType(pExpr) && PRIMARYKEY_TIMESTAMP_COL_ID == ((SColumnNode*)pExpr)->colId) && isInternalPrimaryKey(pCol))) { setColumnInfoByExpr(pTable, pExpr, pCol); found = true; break; } } } return found; } static EDealRes translateColumnWithPrefix(STranslateContext* pCxt, SColumnNode* pCol) { 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); if (belongTable(pCxt->pParseCxt->db, pCol, pTable)) { foundTable = true; if (findAndSetColumn(pCol, pTable)) { break; } return generateDealNodeErrMsg(pCxt, TSDB_CODE_PAR_INVALID_COLUMN, pCol->colName); } } if (!foundTable) { return generateDealNodeErrMsg(pCxt, TSDB_CODE_PAR_TABLE_NOT_EXIST, pCol->tableAlias); } return DEAL_RES_CONTINUE; } static EDealRes translateColumnWithoutPrefix(STranslateContext* pCxt, SColumnNode* pCol) { SArray* pTables = taosArrayGetP(pCxt->pNsLevel, pCxt->currLevel); size_t nums = taosArrayGetSize(pTables); bool found = false; for (size_t i = 0; i < nums; ++i) { STableNode* pTable = taosArrayGetP(pTables, i); if (findAndSetColumn(pCol, pTable)) { if (found) { return generateDealNodeErrMsg(pCxt, TSDB_CODE_PAR_AMBIGUOUS_COLUMN, pCol->colName); } found = true; } } if (!found) { if (isInternalPrimaryKey(pCol)) { return generateDealNodeErrMsg(pCxt, TSDB_CODE_PAR_INVALID_INTERNAL_PK); } else { return generateDealNodeErrMsg(pCxt, TSDB_CODE_PAR_INVALID_COLUMN, pCol->colName); } } return DEAL_RES_CONTINUE; } static bool translateColumnUseAlias(STranslateContext* pCxt, SColumnNode* pCol) { SNodeList* pProjectionList = pCxt->pCurrStmt->pProjectionList; SNode* pNode; FOREACH(pNode, pProjectionList) { SExprNode* pExpr = (SExprNode*)pNode; if (0 == strcmp(pCol->colName, pExpr->aliasName)) { setColumnInfoByExpr(NULL, pExpr, pCol); return true; } } return false; } static EDealRes translateColumn(STranslateContext* pCxt, SColumnNode* pCol) { // count(*)/first(*)/last(*) and so on if (0 == strcmp(pCol->colName, "*")) { return DEAL_RES_CONTINUE; } EDealRes res = DEAL_RES_CONTINUE; if ('\0' != pCol->tableAlias[0]) { res = translateColumnWithPrefix(pCxt, pCol); } else { bool found = false; if (SQL_CLAUSE_ORDER_BY == pCxt->currClause) { found = translateColumnUseAlias(pCxt, pCol); } res = (found ? DEAL_RES_CONTINUE : translateColumnWithoutPrefix(pCxt, pCol)); } return res; } static int32_t parseTimeFromValueNode(SValueNode* pVal) { if (IS_SIGNED_NUMERIC_TYPE(pVal->node.resType.type)) { return TSDB_CODE_SUCCESS; } else if (IS_UNSIGNED_NUMERIC_TYPE(pVal->node.resType.type)) { pVal->datum.i = pVal->datum.u; return TSDB_CODE_SUCCESS; } else if (IS_FLOAT_TYPE(pVal->node.resType.type)) { pVal->datum.i = pVal->datum.d; return TSDB_CODE_SUCCESS; } else if (TSDB_DATA_TYPE_BOOL == pVal->node.resType.type) { pVal->datum.i = pVal->datum.b; 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 = strtoll(pVal->literal, &pEnd, 10); return (NULL != pEnd && '\0' == *pEnd) ? TSDB_CODE_SUCCESS : TSDB_CODE_FAILED; } else { return TSDB_CODE_FAILED; } } static EDealRes translateValueImpl(STranslateContext* pCxt, SValueNode* pVal, SDataType targetDt) { uint8_t precision = (NULL != pCxt->pCurrStmt ? pCxt->pCurrStmt->precision : targetDt.precision); pVal->node.resType.precision = precision; if (pVal->placeholderNo > 0) { return DEAL_RES_CONTINUE; } if (pVal->isDuration) { if (parseNatualDuration(pVal->literal, strlen(pVal->literal), &pVal->datum.i, &pVal->unit, precision) != TSDB_CODE_SUCCESS) { return generateDealNodeErrMsg(pCxt, TSDB_CODE_PAR_WRONG_VALUE_TYPE, pVal->literal); } *(int64_t*)&pVal->typeData = pVal->datum.i; } else { switch (targetDt.type) { case TSDB_DATA_TYPE_NULL: break; case TSDB_DATA_TYPE_BOOL: pVal->datum.b = (0 == strcasecmp(pVal->literal, "true")); *(bool*)&pVal->typeData = pVal->datum.b; break; case TSDB_DATA_TYPE_TINYINT: { char* endPtr = NULL; pVal->datum.i = strtoll(pVal->literal, &endPtr, 10); *(int8_t*)&pVal->typeData = pVal->datum.i; break; } case TSDB_DATA_TYPE_SMALLINT: { char* endPtr = NULL; pVal->datum.i = strtoll(pVal->literal, &endPtr, 10); *(int16_t*)&pVal->typeData = pVal->datum.i; break; } case TSDB_DATA_TYPE_INT: { char* endPtr = NULL; pVal->datum.i = strtoll(pVal->literal, &endPtr, 10); *(int32_t*)&pVal->typeData = pVal->datum.i; break; } case TSDB_DATA_TYPE_BIGINT: { char* endPtr = NULL; pVal->datum.i = strtoll(pVal->literal, &endPtr, 10); *(int64_t*)&pVal->typeData = pVal->datum.i; break; } case TSDB_DATA_TYPE_UTINYINT: { char* endPtr = NULL; pVal->datum.u = strtoull(pVal->literal, &endPtr, 10); *(uint8_t*)&pVal->typeData = pVal->datum.u; break; } case TSDB_DATA_TYPE_USMALLINT: { char* endPtr = NULL; pVal->datum.u = strtoull(pVal->literal, &endPtr, 10); *(uint16_t*)&pVal->typeData = pVal->datum.u; break; } case TSDB_DATA_TYPE_UINT: { char* endPtr = NULL; pVal->datum.u = strtoull(pVal->literal, &endPtr, 10); *(uint32_t*)&pVal->typeData = pVal->datum.u; break; } case TSDB_DATA_TYPE_UBIGINT: { char* endPtr = NULL; pVal->datum.u = strtoull(pVal->literal, &endPtr, 10); *(uint64_t*)&pVal->typeData = pVal->datum.u; break; } case TSDB_DATA_TYPE_FLOAT: { char* endPtr = NULL; pVal->datum.d = strtold(pVal->literal, &endPtr); *(float*)&pVal->typeData = pVal->datum.d; break; } case TSDB_DATA_TYPE_DOUBLE: { char* endPtr = NULL; pVal->datum.d = strtold(pVal->literal, &endPtr); *(double*)&pVal->typeData = pVal->datum.d; break; } case TSDB_DATA_TYPE_VARCHAR: case TSDB_DATA_TYPE_VARBINARY: { pVal->datum.p = taosMemoryCalloc(1, targetDt.bytes + VARSTR_HEADER_SIZE + 1); if (NULL == pVal->datum.p) { return generateDealNodeErrMsg(pCxt, TSDB_CODE_OUT_OF_MEMORY); } varDataSetLen(pVal->datum.p, targetDt.bytes); strncpy(varDataVal(pVal->datum.p), pVal->literal, targetDt.bytes); break; } case TSDB_DATA_TYPE_TIMESTAMP: { if (TSDB_CODE_SUCCESS != parseTimeFromValueNode(pVal)) { return generateDealNodeErrMsg(pCxt, TSDB_CODE_PAR_WRONG_VALUE_TYPE, pVal->literal); } *(int64_t*)&pVal->typeData = pVal->datum.i; break; } case TSDB_DATA_TYPE_NCHAR: { int32_t bytes = targetDt.bytes * TSDB_NCHAR_SIZE; pVal->datum.p = taosMemoryCalloc(1, bytes + VARSTR_HEADER_SIZE + 1); if (NULL == pVal->datum.p) { return generateDealNodeErrMsg(pCxt, TSDB_CODE_OUT_OF_MEMORY); ; } int32_t output = 0; if (!taosMbsToUcs4(pVal->literal, pVal->node.resType.bytes, (TdUcs4*)varDataVal(pVal->datum.p), bytes, &output)) { return generateDealNodeErrMsg(pCxt, TSDB_CODE_PAR_WRONG_VALUE_TYPE, pVal->literal); } varDataSetLen(pVal->datum.p, output); break; } case TSDB_DATA_TYPE_JSON: case TSDB_DATA_TYPE_DECIMAL: case TSDB_DATA_TYPE_BLOB: return generateDealNodeErrMsg(pCxt, TSDB_CODE_PAR_WRONG_VALUE_TYPE, pVal->literal); default: break; } } pVal->node.resType = targetDt; pVal->translate = true; return DEAL_RES_CONTINUE; } static EDealRes translateValue(STranslateContext* pCxt, SValueNode* pVal) { return translateValueImpl(pCxt, pVal, pVal->node.resType); } static EDealRes translateOperator(STranslateContext* pCxt, SOperatorNode* pOp) { if (nodesIsUnaryOp(pOp)) { if (OP_TYPE_MINUS == pOp->opType) { if (!IS_MATHABLE_TYPE(((SExprNode*)(pOp->pLeft))->resType.type)) { return generateDealNodeErrMsg(pCxt, TSDB_CODE_PAR_WRONG_VALUE_TYPE, ((SExprNode*)(pOp->pLeft))->aliasName); } pOp->node.resType.type = TSDB_DATA_TYPE_DOUBLE; pOp->node.resType.bytes = tDataTypes[TSDB_DATA_TYPE_DOUBLE].bytes; } else { pOp->node.resType.type = TSDB_DATA_TYPE_BOOL; pOp->node.resType.bytes = tDataTypes[TSDB_DATA_TYPE_BOOL].bytes; } return DEAL_RES_CONTINUE; } SDataType ldt = ((SExprNode*)(pOp->pLeft))->resType; SDataType rdt = ((SExprNode*)(pOp->pRight))->resType; if (nodesIsArithmeticOp(pOp)) { if (TSDB_DATA_TYPE_JSON == ldt.type || TSDB_DATA_TYPE_BLOB == ldt.type || TSDB_DATA_TYPE_JSON == rdt.type || TSDB_DATA_TYPE_BLOB == rdt.type) { return generateDealNodeErrMsg(pCxt, TSDB_CODE_PAR_WRONG_VALUE_TYPE, ((SExprNode*)(pOp->pRight))->aliasName); } if ((TSDB_DATA_TYPE_TIMESTAMP == ldt.type && TSDB_DATA_TYPE_TIMESTAMP == rdt.type) || (TSDB_DATA_TYPE_TIMESTAMP == ldt.type && (IS_VAR_DATA_TYPE(rdt.type) || IS_FLOAT_TYPE(rdt.type))) || (TSDB_DATA_TYPE_TIMESTAMP == rdt.type && (IS_VAR_DATA_TYPE(ldt.type) || IS_FLOAT_TYPE(ldt.type)))) { return generateDealNodeErrMsg(pCxt, TSDB_CODE_PAR_WRONG_VALUE_TYPE, ((SExprNode*)(pOp->pRight))->aliasName); } if ((TSDB_DATA_TYPE_TIMESTAMP == ldt.type && IS_INTEGER_TYPE(rdt.type)) || (TSDB_DATA_TYPE_TIMESTAMP == rdt.type && IS_INTEGER_TYPE(ldt.type)) || (TSDB_DATA_TYPE_TIMESTAMP == ldt.type && TSDB_DATA_TYPE_BOOL == rdt.type) || (TSDB_DATA_TYPE_TIMESTAMP == rdt.type && TSDB_DATA_TYPE_BOOL == ldt.type)) { pOp->node.resType.type = TSDB_DATA_TYPE_TIMESTAMP; pOp->node.resType.bytes = tDataTypes[TSDB_DATA_TYPE_TIMESTAMP].bytes; } else { pOp->node.resType.type = TSDB_DATA_TYPE_DOUBLE; pOp->node.resType.bytes = tDataTypes[TSDB_DATA_TYPE_DOUBLE].bytes; } } else if (nodesIsComparisonOp(pOp)) { if (TSDB_DATA_TYPE_BLOB == ldt.type || TSDB_DATA_TYPE_JSON == rdt.type || TSDB_DATA_TYPE_BLOB == rdt.type) { return generateDealNodeErrMsg(pCxt, TSDB_CODE_PAR_WRONG_VALUE_TYPE, ((SExprNode*)(pOp->pRight))->aliasName); } if (OP_TYPE_IN == pOp->opType || OP_TYPE_NOT_IN == pOp->opType) { ((SExprNode*)pOp->pRight)->resType = ((SExprNode*)pOp->pLeft)->resType; } if (nodesIsRegularOp(pOp)) { if (!IS_STR_DATA_TYPE(((SExprNode*)(pOp->pLeft))->resType.type)) { return generateDealNodeErrMsg(pCxt, TSDB_CODE_PAR_WRONG_VALUE_TYPE, ((SExprNode*)(pOp->pLeft))->aliasName); } if (QUERY_NODE_VALUE != nodeType(pOp->pRight) || !IS_STR_DATA_TYPE(((SExprNode*)(pOp->pRight))->resType.type)) { return generateDealNodeErrMsg(pCxt, TSDB_CODE_PAR_WRONG_VALUE_TYPE, ((SExprNode*)(pOp->pRight))->aliasName); } } pOp->node.resType.type = TSDB_DATA_TYPE_BOOL; pOp->node.resType.bytes = tDataTypes[TSDB_DATA_TYPE_BOOL].bytes; } else if (nodesIsJsonOp(pOp)) { if (TSDB_DATA_TYPE_JSON != ldt.type || TSDB_DATA_TYPE_BINARY != rdt.type) { return generateDealNodeErrMsg(pCxt, TSDB_CODE_PAR_WRONG_VALUE_TYPE, ((SExprNode*)(pOp->pRight))->aliasName); } pOp->node.resType.type = TSDB_DATA_TYPE_JSON; pOp->node.resType.bytes = tDataTypes[TSDB_DATA_TYPE_JSON].bytes; } return DEAL_RES_CONTINUE; } static EDealRes haveAggFunction(SNode* pNode, void* pContext) { if (isAggFunc(pNode)) { *((bool*)pContext) = true; return DEAL_RES_END; } return DEAL_RES_CONTINUE; } static int32_t findTable(STranslateContext* pCxt, const char* pTableAlias, STableNode** pOutput) { 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); } static bool isCountStar(SFunctionNode* pFunc) { 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, "*")); } // count(*) is rewritten as count(ts) for scannning optimization static int32_t rewriteCountStar(STranslateContext* pCxt, SFunctionNode* pCount) { SColumnNode* pCol = nodesListGetNode(pCount->pParameterList, 0); 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)) { setColumnInfoBySchema((SRealTableNode*)pTable, ((SRealTableNode*)pTable)->pMeta->schema, false, pCol); } return code; } static EDealRes translateFunction(STranslateContext* pCxt, SFunctionNode* pFunc) { SFmGetFuncInfoParam param = {.pCtg = pCxt->pParseCxt->pCatalog, .pRpc = pCxt->pParseCxt->pTransporter, .pMgmtEps = &pCxt->pParseCxt->mgmtEpSet, .pErrBuf = pCxt->msgBuf.buf, .errBufLen = pCxt->msgBuf.len}; pCxt->errCode = fmGetFuncInfo(¶m, pFunc); if (TSDB_CODE_SUCCESS == pCxt->errCode && fmIsAggFunc(pFunc->funcId)) { if (beforeHaving(pCxt->currClause)) { return generateDealNodeErrMsg(pCxt, TSDB_CODE_PAR_ILLEGAL_USE_AGG_FUNCTION); } bool haveAggFunc = false; nodesWalkExprs(pFunc->pParameterList, haveAggFunction, &haveAggFunc); if (haveAggFunc) { return generateDealNodeErrMsg(pCxt, TSDB_CODE_PAR_AGG_FUNC_NESTING); } pCxt->pCurrStmt->hasAggFuncs = true; pCxt->pCurrStmt->isTimeOrderQuery = false; if (isCountStar(pFunc)) { pCxt->errCode = rewriteCountStar(pCxt, pFunc); } if (fmIsRepeatScanFunc(pFunc->funcId)) { pCxt->pCurrStmt->hasRepeatScanFuncs = true; } } if (TSDB_CODE_SUCCESS == pCxt->errCode && fmIsScanPseudoColumnFunc(pFunc->funcId)) { if (0 == LIST_LENGTH(pFunc->pParameterList)) { if (QUERY_NODE_REAL_TABLE != nodeType(pCxt->pCurrStmt->pFromTable)) { return generateDealNodeErrMsg(pCxt, TSDB_CODE_PAR_INVALID_TBNAME); } } else { SValueNode* pVal = nodesListGetNode(pFunc->pParameterList, 0); 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 generateDealNodeErrMsg(pCxt, TSDB_CODE_PAR_INVALID_TBNAME); } } } return TSDB_CODE_SUCCESS == pCxt->errCode ? DEAL_RES_CONTINUE : DEAL_RES_ERROR; } static EDealRes translateExprSubquery(STranslateContext* pCxt, SNode* pNode) { return (TSDB_CODE_SUCCESS == translateSubquery(pCxt, pNode) ? DEAL_RES_CONTINUE : DEAL_RES_ERROR); } static EDealRes translateLogicCond(STranslateContext* pCxt, SLogicConditionNode* pCond) { pCond->node.resType.type = TSDB_DATA_TYPE_BOOL; pCond->node.resType.bytes = tDataTypes[TSDB_DATA_TYPE_BOOL].bytes; return DEAL_RES_CONTINUE; } static EDealRes doTranslateExpr(SNode* pNode, void* pContext) { STranslateContext* pCxt = (STranslateContext*)pContext; switch (nodeType(pNode)) { case QUERY_NODE_COLUMN: return translateColumn(pCxt, (SColumnNode*)pNode); case QUERY_NODE_VALUE: return translateValue(pCxt, (SValueNode*)pNode); case QUERY_NODE_OPERATOR: return translateOperator(pCxt, (SOperatorNode*)pNode); case QUERY_NODE_FUNCTION: return translateFunction(pCxt, (SFunctionNode*)pNode); case QUERY_NODE_LOGIC_CONDITION: return translateLogicCond(pCxt, (SLogicConditionNode*)pNode); case QUERY_NODE_TEMP_TABLE: return translateExprSubquery(pCxt, ((STempTableNode*)pNode)->pSubquery); default: break; } return DEAL_RES_CONTINUE; } static int32_t translateExpr(STranslateContext* pCxt, SNode* pNode) { nodesWalkExprPostOrder(pNode, doTranslateExpr, pCxt); return pCxt->errCode; } static int32_t translateExprList(STranslateContext* pCxt, SNodeList* pList) { nodesWalkExprsPostOrder(pList, doTranslateExpr, pCxt); return pCxt->errCode; } static SNodeList* getGroupByList(STranslateContext* pCxt) { if (isDistinctOrderBy(pCxt)) { return pCxt->pCurrStmt->pProjectionList; } return pCxt->pCurrStmt->pGroupByList; } static SNode* getGroupByNode(SNode* pNode) { if (QUERY_NODE_GROUPING_SET == nodeType(pNode)) { return nodesListGetNode(((SGroupingSetNode*)pNode)->pParameterList, 0); } return pNode; } static int32_t getGroupByErrorCode(STranslateContext* pCxt) { if (isDistinctOrderBy(pCxt)) { return TSDB_CODE_PAR_NOT_SELECTED_EXPRESSION; } return TSDB_CODE_PAR_GROUPBY_LACK_EXPRESSION; } typedef struct SCheckExprForGroupByCxt { STranslateContext* pTranslateCxt; int32_t selectFuncNum; bool hasSelectValFunc; } SCheckExprForGroupByCxt; static EDealRes rewriteColToSelectValFunc(STranslateContext* pCxt, bool* pHasSelectValFunc, SNode** pNode) { SFunctionNode* pFunc = nodesMakeNode(QUERY_NODE_FUNCTION); 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); pCxt->errCode = nodesListMakeAppend(&pFunc->pParameterList, *pNode); if (TSDB_CODE_SUCCESS == pCxt->errCode) { translateFunction(pCxt, pFunc); } if (TSDB_CODE_SUCCESS == pCxt->errCode) { *pNode = (SNode*)pFunc; if (NULL != pHasSelectValFunc) { *pHasSelectValFunc = true; } } else { nodesDestroyNode(pFunc); } return TSDB_CODE_SUCCESS == pCxt->errCode ? DEAL_RES_IGNORE_CHILD : DEAL_RES_ERROR; } static EDealRes doCheckExprForGroupBy(SNode** pNode, void* pContext) { SCheckExprForGroupByCxt* pCxt = (SCheckExprForGroupByCxt*)pContext; if (!nodesIsExprNode(*pNode) || isAliasColumn(*pNode)) { return DEAL_RES_CONTINUE; } pCxt->selectFuncNum += isSelectFunc(*pNode) ? 1 : 0; if (pCxt->selectFuncNum > 1 && pCxt->hasSelectValFunc) { return generateDealNodeErrMsg(pCxt->pTranslateCxt, getGroupByErrorCode(pCxt->pTranslateCxt)); } if (isAggFunc(*pNode) && !isDistinctOrderBy(pCxt->pTranslateCxt)) { return DEAL_RES_IGNORE_CHILD; } SNode* pGroupNode; FOREACH(pGroupNode, getGroupByList(pCxt->pTranslateCxt)) { if (nodesEqualNode(getGroupByNode(pGroupNode), *pNode)) { return DEAL_RES_IGNORE_CHILD; } } if (QUERY_NODE_COLUMN == nodeType(*pNode)) { if (pCxt->selectFuncNum > 1) { return generateDealNodeErrMsg(pCxt->pTranslateCxt, getGroupByErrorCode(pCxt->pTranslateCxt)); } else { return rewriteColToSelectValFunc(pCxt->pTranslateCxt, &pCxt->hasSelectValFunc, pNode); } } if (isAggFunc(*pNode) && isDistinctOrderBy(pCxt->pTranslateCxt)) { return generateDealNodeErrMsg(pCxt->pTranslateCxt, getGroupByErrorCode(pCxt->pTranslateCxt)); } return DEAL_RES_CONTINUE; } static int32_t checkExprForGroupBy(STranslateContext* pCxt, SNode** pNode) { SCheckExprForGroupByCxt cxt = {.pTranslateCxt = pCxt, .selectFuncNum = 0, .hasSelectValFunc = false}; nodesRewriteExpr(pNode, doCheckExprForGroupBy, &cxt); if (cxt.selectFuncNum != 1 && cxt.hasSelectValFunc) { return generateSyntaxErrMsg(&pCxt->msgBuf, getGroupByErrorCode(pCxt)); } return pCxt->errCode; } static int32_t checkExprListForGroupBy(STranslateContext* pCxt, SNodeList* pList) { if (NULL == getGroupByList(pCxt)) { return TSDB_CODE_SUCCESS; } SCheckExprForGroupByCxt cxt = {.pTranslateCxt = pCxt, .selectFuncNum = 0, .hasSelectValFunc = false}; nodesRewriteExprs(pList, doCheckExprForGroupBy, &cxt); if (cxt.selectFuncNum != 1 && cxt.hasSelectValFunc) { return generateSyntaxErrMsg(&pCxt->msgBuf, getGroupByErrorCode(pCxt)); } return pCxt->errCode; } static EDealRes rewriteColsToSelectValFuncImpl(SNode** pNode, void* pContext) { if (isAggFunc(*pNode)) { return DEAL_RES_IGNORE_CHILD; } if (QUERY_NODE_COLUMN == nodeType(*pNode)) { return rewriteColToSelectValFunc((STranslateContext*)pContext, NULL, pNode); } return DEAL_RES_CONTINUE; } static int32_t rewriteColsToSelectValFunc(STranslateContext* pCxt, SSelectStmt* pSelect) { nodesRewriteExprs(pSelect->pProjectionList, rewriteColsToSelectValFuncImpl, pCxt); if (TSDB_CODE_SUCCESS == pCxt->errCode && !pSelect->isDistinct) { nodesRewriteExprs(pSelect->pOrderByList, rewriteColsToSelectValFuncImpl, pCxt); } return pCxt->errCode; } typedef struct CheckAggColCoexistCxt { STranslateContext* pTranslateCxt; bool existAggFunc; bool existCol; int32_t selectFuncNum; } CheckAggColCoexistCxt; static EDealRes doCheckAggColCoexist(SNode* pNode, void* pContext) { CheckAggColCoexistCxt* pCxt = (CheckAggColCoexistCxt*)pContext; pCxt->selectFuncNum += isSelectFunc(pNode) ? 1 : 0; if (isAggFunc(pNode)) { pCxt->existAggFunc = true; return DEAL_RES_IGNORE_CHILD; } if (QUERY_NODE_COLUMN == nodeType(pNode)) { pCxt->existCol = true; } return DEAL_RES_CONTINUE; } static int32_t checkAggColCoexist(STranslateContext* pCxt, SSelectStmt* pSelect) { if (NULL != pSelect->pGroupByList) { return TSDB_CODE_SUCCESS; } CheckAggColCoexistCxt cxt = {.pTranslateCxt = pCxt, .existAggFunc = false, .existCol = false}; nodesWalkExprs(pSelect->pProjectionList, doCheckAggColCoexist, &cxt); if (!pSelect->isDistinct) { nodesWalkExprs(pSelect->pOrderByList, doCheckAggColCoexist, &cxt); } if (1 == cxt.selectFuncNum) { return rewriteColsToSelectValFunc(pCxt, pSelect); } else if ((cxt.selectFuncNum > 1 || cxt.existAggFunc || NULL != pSelect->pWindow) && cxt.existCol) { return generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_NOT_SINGLE_GROUP); } return TSDB_CODE_SUCCESS; } static int32_t toVgroupsInfo(SArray* pVgs, SVgroupsInfo** pVgsInfo) { 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; } static int32_t addMnodeToVgroupList(const SEpSet* pEpSet, SArray** pVgroupList) { 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; } static int32_t setSysTableVgroupList(STranslateContext* pCxt, SName* pName, SRealTableNode* pRealTable) { if (0 != strcmp(pRealTable->table.tableName, TSDB_INS_TABLE_USER_TABLES)) { return TSDB_CODE_SUCCESS; } int32_t code = TSDB_CODE_SUCCESS; SArray* vgroupList = NULL; if ('\0' != pRealTable->qualDbName[0]) { // todo release after mnode can be processed if (0 != strcmp(pRealTable->qualDbName, TSDB_INFORMATION_SCHEMA_DB)) { code = getDBVgInfo(pCxt, pRealTable->qualDbName, &vgroupList); } } else { code = getDBVgInfoImpl(pCxt, pName, &vgroupList); } // todo release after mnode can be processed if (TSDB_CODE_SUCCESS == code) { code = addMnodeToVgroupList(&pCxt->pParseCxt->mgmtEpSet, &vgroupList); } if (TSDB_CODE_SUCCESS == code) { code = toVgroupsInfo(vgroupList, &pRealTable->pVgroupList); } taosArrayDestroy(vgroupList); return code; } static int32_t setTableVgroupList(STranslateContext* pCxt, SName* pName, SRealTableNode* pRealTable) { if (pCxt->pParseCxt->topicQuery) { return TSDB_CODE_SUCCESS; } int32_t code = TSDB_CODE_SUCCESS; if (TSDB_SUPER_TABLE == pRealTable->pMeta->tableType) { SArray* vgroupList = NULL; code = getTableDistVgInfo(pCxt, pName, &vgroupList); if (TSDB_CODE_SUCCESS == code) { code = toVgroupsInfo(vgroupList, &pRealTable->pVgroupList); } taosArrayDestroy(vgroupList); } else if (TSDB_SYSTEM_TABLE == pRealTable->pMeta->tableType) { code = setSysTableVgroupList(pCxt, pName, pRealTable); } else { pRealTable->pVgroupList = taosMemoryCalloc(1, sizeof(SVgroupsInfo) + sizeof(SVgroupInfo)); if (NULL == pRealTable->pVgroupList) { return TSDB_CODE_OUT_OF_MEMORY; } pRealTable->pVgroupList->numOfVgroups = 1; code = getTableHashVgroupImpl(pCxt, pName, pRealTable->pVgroupList->vgroups); } return code; } static uint8_t getStmtPrecision(SNode* pStmt) { if (QUERY_NODE_SELECT_STMT == nodeType(pStmt)) { return ((SSelectStmt*)pStmt)->precision; } return 0; } static uint8_t getJoinTablePrecision(SJoinTableNode* pJoinTable) { uint8_t lp = ((STableNode*)pJoinTable->pLeft)->precision; uint8_t rp = ((STableNode*)pJoinTable->pRight)->precision; return (lp > rp ? rp : lp); } static int32_t translateTable(STranslateContext* pCxt, SNode* pTable) { 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) { return generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_TABLE_NOT_EXIST, pRealTable->table.tableName); } code = setTableVgroupList(pCxt, &name, pRealTable); } pRealTable->table.precision = pRealTable->pMeta->tableInfo.precision; if (TSDB_CODE_SUCCESS == code) { code = addNamespace(pCxt, pRealTable); } break; } case QUERY_NODE_TEMP_TABLE: { STempTableNode* pTempTable = (STempTableNode*)pTable; code = translateSubquery(pCxt, pTempTable->pSubquery); if (TSDB_CODE_SUCCESS == code) { pTempTable->table.precision = getStmtPrecision(pTempTable->pSubquery); 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); } if (TSDB_CODE_SUCCESS == code) { pJoinTable->table.precision = getJoinTablePrecision(pJoinTable); code = translateExpr(pCxt, pJoinTable->pOnCond); } break; } default: break; } return code; } static int32_t createAllColumns(STranslateContext* pCxt, SNodeList** pCols) { *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); int32_t code = createColumnsByTable(pCxt, pTable, *pCols); if (TSDB_CODE_SUCCESS != code) { return code; } } return TSDB_CODE_SUCCESS; } static bool isMultiResFunc(SNode* pNode) { if (QUERY_NODE_FUNCTION != nodeType(pNode) || !fmIsMultiResFunc(((SFunctionNode*)pNode)->funcId)) { return false; } 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); } static SNode* createMultiResFunc(SFunctionNode* pSrcFunc, SExprNode* pExpr) { SFunctionNode* pFunc = nodesMakeNode(QUERY_NODE_FUNCTION); if (NULL == pFunc) { return NULL; } pFunc->pParameterList = nodesMakeList(); if (NULL == pFunc->pParameterList || TSDB_CODE_SUCCESS != nodesListStrictAppend(pFunc->pParameterList, nodesCloneNode(pExpr))) { nodesDestroyNode(pFunc); 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; len = snprintf(buf, sizeof(buf), "%s(%s.%s)", pSrcFunc->functionName, pCol->tableAlias, pCol->colName); } else { len = snprintf(buf, sizeof(buf), "%s(%s)", pSrcFunc->functionName, pExpr->aliasName); } strncpy(pFunc->node.aliasName, buf, TMIN(len, sizeof(pFunc->node.aliasName) - 1)); return (SNode*)pFunc; } static int32_t createTableAllCols(STranslateContext* pCxt, SColumnNode* pCol, SNodeList** pOutput) { 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) { code = createColumnsByTable(pCxt, pTable, *pOutput); } return code; } 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, "*")); } static int32_t createMultiResFuncsParas(STranslateContext* pCxt, SNodeList* pSrcParas, SNodeList** pOutput) { int32_t code = TSDB_CODE_SUCCESS; SNodeList* pExprs = NULL; SNode* pPara = NULL; FOREACH(pPara, pSrcParas) { if (isStar(pPara)) { code = createAllColumns(pCxt, &pExprs); // The syntax definition ensures that * and other parameters do not appear at the same time break; } else if (isTableStar(pPara)) { code = createTableAllCols(pCxt, (SColumnNode*)pPara, &pExprs); } else { code = nodesListMakeStrictAppend(&pExprs, nodesCloneNode(pPara)); } if (TSDB_CODE_SUCCESS != code) { break; } } if (TSDB_CODE_SUCCESS == code) { *pOutput = pExprs; } else { nodesDestroyList(pExprs); } return code; } static int32_t createMultiResFuncs(SFunctionNode* pSrcFunc, SNodeList* pExprs, SNodeList** pOutput) { SNodeList* pFuncs = nodesMakeList(); if (NULL == pFuncs) { return TSDB_CODE_OUT_OF_MEMORY; } 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; } } if (TSDB_CODE_SUCCESS == code) { *pOutput = pFuncs; } else { nodesDestroyList(pFuncs); } return code; } static int32_t createMultiResFuncsFromStar(STranslateContext* pCxt, SFunctionNode* pSrcFunc, SNodeList** pOutput) { SNodeList* pExprs = NULL; int32_t code = createMultiResFuncsParas(pCxt, pSrcFunc->pParameterList, &pExprs); if (TSDB_CODE_SUCCESS == code) { code = createMultiResFuncs(pSrcFunc, pExprs, pOutput); } if (TSDB_CODE_SUCCESS != code) { nodesDestroyList(pExprs); } return code; } static int32_t translateStar(STranslateContext* pCxt, SSelectStmt* pSelect) { if (NULL == pSelect->pProjectionList) { // select * ... return createAllColumns(pCxt, &pSelect->pProjectionList); } else { SNode* pNode = NULL; WHERE_EACH(pNode, pSelect->pProjectionList) { int32_t code = TSDB_CODE_SUCCESS; if (isMultiResFunc(pNode)) { SNodeList* pFuncs = NULL; code = createMultiResFuncsFromStar(pCxt, (SFunctionNode*)pNode, &pFuncs); if (TSDB_CODE_SUCCESS == code) { INSERT_LIST(pSelect->pProjectionList, pFuncs); ERASE_NODE(pSelect->pProjectionList); continue; } } else if (isTableStar(pNode)) { SNodeList* pCols = NULL; code = createTableAllCols(pCxt, (SColumnNode*)pNode, &pCols); if (TSDB_CODE_SUCCESS == code) { INSERT_LIST(pSelect->pProjectionList, pCols); ERASE_NODE(pSelect->pProjectionList); continue; } } if (TSDB_CODE_SUCCESS != code) { return code; } WHERE_NEXT; } } return TSDB_CODE_SUCCESS; } static int32_t getPositionValue(const SValueNode* pVal) { 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: 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; } static int32_t translateOrderByPosition(STranslateContext* pCxt, SNodeList* pProjectionList, SNodeList* pOrderByList, 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 { SColumnNode* pCol = (SColumnNode*)nodesMakeNode(QUERY_NODE_COLUMN); if (NULL == pCol) { return generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_OUT_OF_MEMORY); } setColumnInfoByExpr(NULL, (SExprNode*)nodesListGetNode(pProjectionList, pos - 1), pCol); ((SOrderByExprNode*)pNode)->pExpr = (SNode*)pCol; nodesDestroyNode(pExpr); } } else { *pOther = true; } WHERE_NEXT; } return TSDB_CODE_SUCCESS; } static int32_t translateOrderBy(STranslateContext* pCxt, SSelectStmt* pSelect) { bool other; int32_t code = translateOrderByPosition(pCxt, pSelect->pProjectionList, pSelect->pOrderByList, &other); if (TSDB_CODE_SUCCESS != code) { return code; } if (!other) { return TSDB_CODE_SUCCESS; } pCxt->currClause = SQL_CLAUSE_ORDER_BY; code = translateExprList(pCxt, pSelect->pOrderByList); if (TSDB_CODE_SUCCESS == code) { code = checkExprListForGroupBy(pCxt, pSelect->pOrderByList); } return code; } static int32_t translateSelectList(STranslateContext* pCxt, SSelectStmt* pSelect) { pCxt->currClause = SQL_CLAUSE_SELECT; int32_t code = translateExprList(pCxt, pSelect->pProjectionList); if (TSDB_CODE_SUCCESS == code) { code = translateStar(pCxt, pSelect); } if (TSDB_CODE_SUCCESS == code) { code = checkExprListForGroupBy(pCxt, pSelect->pProjectionList); } return code; } static int32_t translateHaving(STranslateContext* pCxt, SSelectStmt* pSelect) { if (NULL == pSelect->pGroupByList && NULL != pSelect->pHaving) { return generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_GROUPBY_LACK_EXPRESSION); } pCxt->currClause = SQL_CLAUSE_HAVING; int32_t code = translateExpr(pCxt, pSelect->pHaving); if (TSDB_CODE_SUCCESS == code) { code = checkExprForGroupBy(pCxt, &pSelect->pHaving); } return code; } static int32_t translateGroupBy(STranslateContext* pCxt, SSelectStmt* pSelect) { if (NULL != pSelect->pGroupByList && NULL != pSelect->pWindow) { return generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_GROUPBY_WINDOW_COEXIST); } if (NULL != pSelect->pGroupByList) { pCxt->currClause = SQL_CLAUSE_GROUP_BY; pSelect->isTimeOrderQuery = false; return translateExprList(pCxt, pSelect->pGroupByList); } return TSDB_CODE_SUCCESS; } static EDealRes isPrimaryKeyCondImpl(SNode* pNode, void* pContext) { if (QUERY_NODE_COLUMN == nodeType(pNode)) { *((bool*)pContext) = ((PRIMARYKEY_TIMESTAMP_COL_ID == ((SColumnNode*)pNode)->colId) ? true : false); return *((bool*)pContext) ? DEAL_RES_CONTINUE : DEAL_RES_END; } return DEAL_RES_CONTINUE; } static bool isPrimaryKeyCond(SNode* pNode) { bool isPrimaryKeyCond = false; nodesWalkExpr(pNode, isPrimaryKeyCondImpl, &isPrimaryKeyCond); return isPrimaryKeyCond; } static int32_t getTimeRangeFromLogicCond(STranslateContext* pCxt, SLogicConditionNode* pLogicCond, STimeWindow* pTimeRange) { SNodeList* pPrimaryKeyConds = NULL; SNode* pCond = NULL; FOREACH(pCond, pLogicCond->pParameterList) { if (isPrimaryKeyCond(pCond)) { if (TSDB_CODE_SUCCESS != nodesListMakeAppend(&pPrimaryKeyConds, pCond)) { nodesClearList(pPrimaryKeyConds); return TSDB_CODE_OUT_OF_MEMORY; } } } if (NULL == pPrimaryKeyConds) { *pTimeRange = TSWINDOW_INITIALIZER; return TSDB_CODE_SUCCESS; } SLogicConditionNode* pPrimaryKeyLogicCond = nodesMakeNode(QUERY_NODE_LOGIC_CONDITION); if (NULL == pPrimaryKeyLogicCond) { nodesClearList(pPrimaryKeyConds); return TSDB_CODE_OUT_OF_MEMORY; } pPrimaryKeyLogicCond->condType = LOGIC_COND_TYPE_AND; pPrimaryKeyLogicCond->pParameterList = pPrimaryKeyConds; bool isStrict = false; int32_t code = filterGetTimeRange((SNode*)pPrimaryKeyLogicCond, pTimeRange, &isStrict); nodesClearList(pPrimaryKeyConds); pPrimaryKeyLogicCond->pParameterList = NULL; nodesDestroyNode(pPrimaryKeyLogicCond); return code; } static int32_t getTimeRange(STranslateContext* pCxt, SNode* pWhere, STimeWindow* pTimeRange) { if (NULL == pWhere) { *pTimeRange = TSWINDOW_INITIALIZER; return TSDB_CODE_SUCCESS; } if (QUERY_NODE_LOGIC_CONDITION == nodeType(pWhere) && LOGIC_COND_TYPE_AND == ((SLogicConditionNode*)pWhere)->condType) { return getTimeRangeFromLogicCond(pCxt, (SLogicConditionNode*)pWhere, pTimeRange); } if (isPrimaryKeyCond(pWhere)) { bool isStrict = false; return filterGetTimeRange(pWhere, pTimeRange, &isStrict); } else { *pTimeRange = TSWINDOW_INITIALIZER; } return TSDB_CODE_SUCCESS; } static int32_t checkFill(STranslateContext* pCxt, SIntervalWindowNode* pInterval) { SFillNode* pFill = (SFillNode*)pInterval->pFill; if (TSWINDOW_IS_EQUAL(pFill->timeRange, TSWINDOW_INITIALIZER) || TSWINDOW_IS_EQUAL(pFill->timeRange, TSWINDOW_DESC_INITIALIZER)) { return generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_INVALID_FILL_TIME_RANGE); } int64_t timeRange = TABS(pFill->timeRange.skey - pFill->timeRange.ekey); int64_t intervalRange = 0; SValueNode* pInter = (SValueNode*)pInterval->pInterval; if (TIME_IS_VAR_DURATION(pInter->unit)) { int64_t f = 1; if (pInter->unit == 'n') { f = 30L * MILLISECOND_PER_DAY; } else if (pInter->unit == 'y') { f = 365L * MILLISECOND_PER_DAY; } intervalRange = pInter->datum.i * f; } else { intervalRange = pInter->datum.i; } if ((timeRange == 0) || (timeRange / intervalRange) >= MAX_INTERVAL_TIME_WINDOW) { return generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_INVALID_FILL_TIME_RANGE); } return TSDB_CODE_SUCCESS; } static int32_t translateFill(STranslateContext* pCxt, SNode* pWhere, SIntervalWindowNode* pInterval) { if (NULL == pInterval->pFill) { return TSDB_CODE_SUCCESS; } int32_t code = getTimeRange(pCxt, pWhere, &(((SFillNode*)pInterval->pFill)->timeRange)); if (TSDB_CODE_SUCCESS == code) { code = checkFill(pCxt, pInterval); } return code; } static int64_t getMonthsFromTimeVal(int64_t val, int32_t fromPrecision, char unit) { 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; } static int32_t checkIntervalWindow(STranslateContext* pCxt, SNode* pWhere, SIntervalWindowNode* pInterval) { uint8_t precision = ((SColumnNode*)pInterval->pCol)->node.resType.precision; SValueNode* pInter = (SValueNode*)pInterval->pInterval; bool valInter = TIME_IS_VAR_DURATION(pInter->unit); if (pInter->datum.i <= 0 || (!valInter && convertTimePrecision(pInter->datum.i, precision, TSDB_TIME_PRECISION_MICRO) < tsMinIntervalTime)) { return generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_INTER_VALUE_TOO_SMALL, tsMinIntervalTime); } 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); } } 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); } } return translateFill(pCxt, pWhere, pInterval); } static EDealRes checkStateExpr(SNode* pNode, void* pContext) { if (QUERY_NODE_COLUMN == nodeType(pNode)) { STranslateContext* pCxt = pContext; SColumnNode* pCol = (SColumnNode*)pNode; int32_t type = pCol->node.resType.type; if (!IS_INTEGER_TYPE(type) && type != TSDB_DATA_TYPE_BOOL && !IS_VAR_DATA_TYPE(type)) { return generateDealNodeErrMsg(pCxt, TSDB_CODE_PAR_INVALID_STATE_WIN_TYPE); } if (COLUMN_TYPE_TAG == pCol->colType) { return generateDealNodeErrMsg(pCxt, TSDB_CODE_PAR_INVALID_STATE_WIN_COL); } if (TSDB_SUPER_TABLE == pCol->tableType) { return generateDealNodeErrMsg(pCxt, TSDB_CODE_PAR_INVALID_STATE_WIN_TABLE); } } return DEAL_RES_CONTINUE; } static int32_t checkStateWindow(STranslateContext* pCxt, SStateWindowNode* pState) { nodesWalkExprPostOrder(pState->pExpr, checkStateExpr, pCxt); // todo check for "function not support for state_window" return pCxt->errCode; } static int32_t checkSessionWindow(STranslateContext* pCxt, SSessionWindowNode* pSession) { 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); } // todo check for "function not support for session" return TSDB_CODE_SUCCESS; } static int32_t checkWindow(STranslateContext* pCxt, SSelectStmt* pSelect) { switch (nodeType(pSelect->pWindow)) { case QUERY_NODE_STATE_WINDOW: return checkStateWindow(pCxt, (SStateWindowNode*)pSelect->pWindow); case QUERY_NODE_SESSION_WINDOW: return checkSessionWindow(pCxt, (SSessionWindowNode*)pSelect->pWindow); case QUERY_NODE_INTERVAL_WINDOW: return checkIntervalWindow(pCxt, pSelect->pWhere, (SIntervalWindowNode*)pSelect->pWindow); default: break; } return TSDB_CODE_SUCCESS; } static int32_t translateWindow(STranslateContext* pCxt, SSelectStmt* pSelect) { if (NULL == pSelect->pWindow) { return TSDB_CODE_SUCCESS; } pCxt->currClause = SQL_CLAUSE_WINDOW; int32_t code = translateExpr(pCxt, pSelect->pWindow); if (TSDB_CODE_SUCCESS == code) { code = checkWindow(pCxt, pSelect); } return code; } static int32_t translatePartitionBy(STranslateContext* pCxt, SNodeList* pPartitionByList) { pCxt->currClause = SQL_CLAUSE_PARTITION_BY; return translateExprList(pCxt, pPartitionByList); } static int32_t translateWhere(STranslateContext* pCxt, SNode* pWhere) { pCxt->currClause = SQL_CLAUSE_WHERE; return translateExpr(pCxt, pWhere); } static int32_t translateFrom(STranslateContext* pCxt, SSelectStmt* pSelect) { pCxt->currClause = SQL_CLAUSE_FROM; int32_t code = translateTable(pCxt, pSelect->pFromTable); if (TSDB_CODE_SUCCESS == code) { pSelect->precision = ((STableNode*)pSelect->pFromTable)->precision; } return code; } static int32_t checkLimit(STranslateContext* pCxt, SSelectStmt* pSelect) { 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); } if (NULL != pSelect->pSlimit && NULL == pSelect->pPartitionByList) { return generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_SLIMIT_LEAK_PARTITION_BY); } return TSDB_CODE_SUCCESS; } static int32_t createPrimaryKeyColByTable(STranslateContext* pCxt, STableNode* pTable, SNode** pPrimaryKey) { SColumnNode* pCol = nodesMakeNode(QUERY_NODE_COLUMN); if (NULL == pCol) { return TSDB_CODE_OUT_OF_MEMORY; } pCol->colId = PRIMARYKEY_TIMESTAMP_COL_ID; strcpy(pCol->colName, PK_TS_COL_INTERNAL_NAME); if (!findAndSetColumn(pCol, pTable)) { return generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_INVALID_TIMELINE_FUNC); } *pPrimaryKey = (SNode*)pCol; return TSDB_CODE_SUCCESS; } static int32_t createPrimaryKeyCol(STranslateContext* pCxt, SNode** pPrimaryKey) { STableNode* pTable = NULL; int32_t code = findTable(pCxt, NULL, &pTable); if (TSDB_CODE_SUCCESS == code) { code = createPrimaryKeyColByTable(pCxt, pTable, pPrimaryKey); } return code; } static EDealRes rewriteTimelineFuncImpl(SNode* pNode, void* pContext) { STranslateContext* pCxt = pContext; if (isTimelineFunc(pNode)) { 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; } static int32_t rewriteTimelineFunc(STranslateContext* pCxt, SSelectStmt* pSelect) { nodesWalkSelectStmt(pSelect, SQL_CLAUSE_FROM, rewriteTimelineFuncImpl, pCxt); return pCxt->errCode; } static int32_t translateSelect(STranslateContext* pCxt, SSelectStmt* pSelect) { pCxt->pCurrStmt = pSelect; int32_t code = translateFrom(pCxt, pSelect); if (TSDB_CODE_SUCCESS == code) { code = translateWhere(pCxt, pSelect->pWhere); } if (TSDB_CODE_SUCCESS == code) { code = translatePartitionBy(pCxt, pSelect->pPartitionByList); } 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) { code = translateOrderBy(pCxt, pSelect); } if (TSDB_CODE_SUCCESS == code) { code = checkAggColCoexist(pCxt, pSelect); } if (TSDB_CODE_SUCCESS == code) { code = checkLimit(pCxt, pSelect); } if (TSDB_CODE_SUCCESS == code) { code = rewriteTimelineFunc(pCxt, pSelect); } return code; } static SNode* createSetOperProject(const char* pTableAlias, SNode* pNode) { SColumnNode* pCol = nodesMakeNode(QUERY_NODE_COLUMN); if (NULL == pCol) { return NULL; } pCol->node.resType = ((SExprNode*)pNode)->resType; strcpy(pCol->tableAlias, pTableAlias); strcpy(pCol->colName, ((SExprNode*)pNode)->aliasName); strcpy(pCol->node.aliasName, pCol->colName); return (SNode*)pCol; } static bool dataTypeEqual(const SDataType* l, const SDataType* r) { return (l->type == r->type && l->bytes == l->bytes && l->precision == r->precision && l->scale == l->scale); } static int32_t createCastFunc(STranslateContext* pCxt, SNode* pExpr, SDataType dt, SNode** pCast) { SFunctionNode* pFunc = 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(pFunc); return TSDB_CODE_OUT_OF_MEMORY; } if (DEAL_RES_ERROR == translateFunction(pCxt, pFunc)) { nodesClearList(pFunc->pParameterList); pFunc->pParameterList = NULL; nodesDestroyNode(pFunc); return generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_WRONG_VALUE_TYPE, ((SExprNode*)pExpr)->aliasName); } *pCast = (SNode*)pFunc; return TSDB_CODE_SUCCESS; } static int32_t translateSetOperatorImpl(STranslateContext* pCxt, SSetOperator* pSetOperator) { 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; if (!dataTypeEqual(&pLeftExpr->resType, &pRightExpr->resType)) { SNode* pRightFunc = NULL; int32_t code = createCastFunc(pCxt, pRight, pLeftExpr->resType, &pRightFunc); if (TSDB_CODE_SUCCESS != code) { return code; } REPLACE_LIST2_NODE(pRightFunc); pRightExpr = (SExprNode*)pRightFunc; } strcpy(pRightExpr->aliasName, pLeftExpr->aliasName); pRightExpr->aliasName[strlen(pLeftExpr->aliasName)] = '\0'; if (TSDB_CODE_SUCCESS != nodesListMakeStrictAppend(&pSetOperator->pProjectionList, createSetOperProject(pSetOperator->stmtName, pLeft))) { return TSDB_CODE_OUT_OF_MEMORY; } } return TSDB_CODE_SUCCESS; } static int32_t translateSetOperator(STranslateContext* pCxt, SSetOperator* pSetOperator) { 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) { code = translateSetOperatorImpl(pCxt, pSetOperator); } return code; } static int64_t getUnitPerMinute(uint8_t precision) { switch (precision) { case TSDB_TIME_PRECISION_MILLI: return MILLISECOND_PER_MINUTE; case TSDB_TIME_PRECISION_MICRO: return MILLISECOND_PER_MINUTE * 1000L; case TSDB_TIME_PRECISION_NANO: return NANOSECOND_PER_MINUTE; default: break; } return MILLISECOND_PER_MINUTE; } static int64_t getBigintFromValueNode(SValueNode* pVal) { if (pVal->isDuration) { return pVal->datum.i / getUnitPerMinute(pVal->node.resType.precision); } return pVal->datum.i; } static int32_t buildCreateDbRetentions(const SNodeList* pRetentions, SCreateDbReq* pReq) { 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; } static int32_t buildCreateDbReq(STranslateContext* pCxt, SCreateDatabaseStmt* pStmt, SCreateDbReq* pReq) { 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; pReq->fsyncPeriod = pStmt->pOptions->fsyncPeriod; 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; pReq->cacheLastRow = pStmt->pOptions->cachelast; pReq->ignoreExist = pStmt->ignoreExists; return buildCreateDbRetentions(pStmt->pOptions->pRetentions, pReq); } static int32_t checkRangeOption(STranslateContext* pCxt, const char* pName, int32_t val, int32_t minVal, int32_t maxVal) { if (val >= 0 && (val < minVal || val > maxVal)) { return generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_INVALID_RANGE_OPTION, pName, val, minVal, maxVal); } return TSDB_CODE_SUCCESS; } static int32_t checkDbDaysOption(STranslateContext* pCxt, SDatabaseOptions* pOptions) { 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) { return generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_INVALID_OPTION_UNIT, "daysPerFile", pOptions->pDaysPerFile->unit); } pOptions->daysPerFile = getBigintFromValueNode(pOptions->pDaysPerFile); } return checkRangeOption(pCxt, "daysPerFile", pOptions->daysPerFile, TSDB_MIN_DAYS_PER_FILE, TSDB_MAX_DAYS_PER_FILE); } static int32_t checkDbKeepOption(STranslateContext* pCxt, SDatabaseOptions* pOptions) { if (NULL == pOptions->pKeep) { return TSDB_CODE_SUCCESS; } int32_t numOfKeep = LIST_LENGTH(pOptions->pKeep); if (numOfKeep > 3 || numOfKeep < 1) { return generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_INVALID_KEEP_NUM); } 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) { return generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_INVALID_KEEP_UNIT, pVal->unit); } 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)); } if (pOptions->keep[0] < TSDB_MIN_KEEP || pOptions->keep[1] < TSDB_MIN_KEEP || pOptions->keep[2] < TSDB_MIN_KEEP || pOptions->keep[0] > TSDB_MAX_KEEP || pOptions->keep[1] > TSDB_MAX_KEEP || pOptions->keep[2] > TSDB_MAX_KEEP) { return generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_INVALID_KEEP_VALUE, pOptions->keep[0], pOptions->keep[1], pOptions->keep[2], TSDB_MIN_KEEP, TSDB_MAX_KEEP); } if (!((pOptions->keep[0] <= pOptions->keep[1]) && (pOptions->keep[1] <= pOptions->keep[2]))) { return generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_INVALID_KEEP_ORDER); } return TSDB_CODE_SUCCESS; } static int32_t checkDbPrecisionOption(STranslateContext* pCxt, SDatabaseOptions* pOptions) { if ('\0' != pOptions->precisionStr[0]) { if (0 == strcmp(pOptions->precisionStr, TSDB_TIME_PRECISION_MILLI_STR)) { pOptions->precision = TSDB_TIME_PRECISION_MILLI; } else if (0 == strcmp(pOptions->precisionStr, TSDB_TIME_PRECISION_MICRO_STR)) { pOptions->precision = TSDB_TIME_PRECISION_MICRO; } else if (0 == strcmp(pOptions->precisionStr, TSDB_TIME_PRECISION_NANO_STR)) { pOptions->precision = TSDB_TIME_PRECISION_NANO; } else { return generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_INVALID_STR_OPTION, "precision", pOptions->precisionStr); } } return TSDB_CODE_SUCCESS; } static int32_t checkDbEnumOption(STranslateContext* pCxt, const char* pName, int32_t val, int32_t v1, int32_t v2) { if (val >= 0 && val != v1 && val != v2) { return generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_INVALID_ENUM_OPTION, pName, val, v1, v2); } return TSDB_CODE_SUCCESS; } static int32_t checkDbRetentionsOption(STranslateContext* pCxt, SNodeList* pRetentions) { if (NULL == pRetentions) { return TSDB_CODE_SUCCESS; } if (LIST_LENGTH(pRetentions) > 3) { return generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_INVALID_RETENTIONS_OPTION); } SNode* pRetention = NULL; 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; } } } return TSDB_CODE_SUCCESS; } static int32_t checkOptionsDependency(STranslateContext* pCxt, const char* pDbName, SDatabaseOptions* pOptions) { int32_t daysPerFile = pOptions->daysPerFile; int32_t daysToKeep0 = pOptions->keep[0]; if (-1 == daysPerFile && -1 == daysToKeep0) { return TSDB_CODE_SUCCESS; } else if (-1 == daysPerFile || -1 == daysToKeep0) { SDbCfgInfo dbCfg; 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) { return generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_INVALID_DAYS_VALUE); } return TSDB_CODE_SUCCESS; } static int32_t checkDatabaseOptions(STranslateContext* pCxt, const char* pDbName, SDatabaseOptions* pOptions) { int32_t code = checkRangeOption(pCxt, "buffer", pOptions->buffer, TSDB_MIN_BUFFER_PER_VNODE, TSDB_MAX_BUFFER_PER_VNODE); if (TSDB_CODE_SUCCESS == code) { code = checkRangeOption(pCxt, "cacheLast", pOptions->cachelast, TSDB_MIN_DB_CACHE_LAST_ROW, TSDB_MAX_DB_CACHE_LAST_ROW); } if (TSDB_CODE_SUCCESS == code) { code = checkRangeOption(pCxt, "compression", pOptions->compressionLevel, TSDB_MIN_COMP_LEVEL, TSDB_MAX_COMP_LEVEL); } if (TSDB_CODE_SUCCESS == code) { code = checkDbDaysOption(pCxt, pOptions); } if (TSDB_CODE_SUCCESS == code) { code = checkRangeOption(pCxt, "fsyncPeriod", pOptions->fsyncPeriod, TSDB_MIN_FSYNC_PERIOD, TSDB_MAX_FSYNC_PERIOD); } if (TSDB_CODE_SUCCESS == code) { code = checkRangeOption(pCxt, "maxRowsPerBlock", pOptions->maxRowsPerBlock, TSDB_MIN_MAXROWS_FBLOCK, TSDB_MAX_MAXROWS_FBLOCK); } if (TSDB_CODE_SUCCESS == code) { code = checkRangeOption(pCxt, "minRowsPerBlock", pOptions->minRowsPerBlock, TSDB_MIN_MINROWS_FBLOCK, TSDB_MAX_MINROWS_FBLOCK); } if (TSDB_CODE_SUCCESS == code) { code = checkDbKeepOption(pCxt, pOptions); } if (TSDB_CODE_SUCCESS == code) { code = checkRangeOption(pCxt, "pages", pOptions->pages, TSDB_MIN_PAGES_PER_VNODE, TSDB_MAX_PAGES_PER_VNODE); } if (TSDB_CODE_SUCCESS == code) { code = checkRangeOption(pCxt, "pagesize", pOptions->pagesize, TSDB_MIN_PAGESIZE_PER_VNODE, TSDB_MAX_PAGESIZE_PER_VNODE); } if (TSDB_CODE_SUCCESS == code) { code = checkDbPrecisionOption(pCxt, pOptions); } if (TSDB_CODE_SUCCESS == code) { code = checkDbEnumOption(pCxt, "replications", pOptions->replica, TSDB_MIN_DB_REPLICA, TSDB_MAX_DB_REPLICA); } if (TSDB_CODE_SUCCESS == code) { code = checkDbEnumOption(pCxt, "strict", pOptions->strict, TSDB_DB_STRICT_OFF, TSDB_DB_STRICT_ON); } if (TSDB_CODE_SUCCESS == code) { code = checkDbEnumOption(pCxt, "walLevel", pOptions->walLevel, TSDB_MIN_WAL_LEVEL, TSDB_MAX_WAL_LEVEL); } if (TSDB_CODE_SUCCESS == code) { code = checkRangeOption(pCxt, "vgroups", pOptions->numOfVgroups, TSDB_MIN_VNODES_PER_DB, TSDB_MAX_VNODES_PER_DB); } 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); } if (TSDB_CODE_SUCCESS == code) { code = checkOptionsDependency(pCxt, pDbName, pOptions); } return code; } static int32_t checkCreateDatabase(STranslateContext* pCxt, SCreateDatabaseStmt* pStmt) { return checkDatabaseOptions(pCxt, pStmt->dbName, pStmt->pOptions); } typedef int32_t (*FSerializeFunc)(void* pBuf, int32_t bufLen, void* pReq); static int32_t buildCmdMsg(STranslateContext* pCxt, int16_t msgType, FSerializeFunc func, void* pReq) { 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; } static int32_t translateCreateDatabase(STranslateContext* pCxt, SCreateDatabaseStmt* pStmt) { SCreateDbReq createReq = {0}; int32_t code = checkCreateDatabase(pCxt, pStmt); 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); } return code; } static int32_t translateDropDatabase(STranslateContext* pCxt, SDropDatabaseStmt* pStmt) { SDropDbReq dropReq = {0}; SName name = {0}; tNameSetDbName(&name, pCxt->pParseCxt->acctId, pStmt->dbName, strlen(pStmt->dbName)); tNameGetFullDbName(&name, dropReq.db); dropReq.ignoreNotExists = pStmt->ignoreNotExists; return buildCmdMsg(pCxt, TDMT_MND_DROP_DB, (FSerializeFunc)tSerializeSDropDbReq, &dropReq); } static void buildAlterDbReq(STranslateContext* pCxt, SAlterDatabaseStmt* pStmt, SAlterDbReq* pReq) { 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]; pReq->fsyncPeriod = pStmt->pOptions->fsyncPeriod; pReq->walLevel = pStmt->pOptions->walLevel; pReq->strict = pStmt->pOptions->strict; pReq->cacheLastRow = pStmt->pOptions->cachelast; pReq->replications = pStmt->pOptions->replica; return; } static int32_t translateAlterDatabase(STranslateContext* pCxt, SAlterDatabaseStmt* pStmt) { int32_t code = checkDatabaseOptions(pCxt, pStmt->dbName, pStmt->pOptions); if (TSDB_CODE_SUCCESS != code) { return code; } SAlterDbReq alterReq = {0}; buildAlterDbReq(pCxt, pStmt, &alterReq); return buildCmdMsg(pCxt, TDMT_MND_ALTER_DB, (FSerializeFunc)tSerializeSAlterDbReq, &alterReq); } static int32_t calcTypeBytes(SDataType dt) { if (TSDB_DATA_TYPE_BINARY == dt.type) { 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; } } static int32_t columnDefNodeToField(SNodeList* pList, SArray** pArray) { *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; } static SColumnDefNode* findColDef(SNodeList* pCols, const SColumnNode* pCol) { SNode* pColDef = NULL; FOREACH(pColDef, pCols) { if (0 == strcmp(pCol->colName, ((SColumnDefNode*)pColDef)->colName)) { return (SColumnDefNode*)pColDef; } } return NULL; } static int32_t checTableFactorOption(STranslateContext* pCxt, float val) { if (val < TSDB_MIN_ROLLUP_FILE_FACTOR || val > TSDB_MAX_ROLLUP_FILE_FACTOR) { return generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_INVALID_F_RANGE_OPTION, "file_factor", val, TSDB_MIN_ROLLUP_FILE_FACTOR, TSDB_MAX_ROLLUP_FILE_FACTOR); } return TSDB_CODE_SUCCESS; } static int32_t checkTableSmaOption(STranslateContext* pCxt, SCreateTableStmt* pStmt) { 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; } static int32_t checkTableRollupOption(STranslateContext* pCxt, SNodeList* pFuncs) { if (NULL == pFuncs) { return TSDB_CODE_SUCCESS; } if (1 != LIST_LENGTH(pFuncs)) { return generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_INVALID_ROLLUP_OPTION); } return TSDB_CODE_SUCCESS; } static int32_t checkTableTagsSchema(STranslateContext* pCxt, SHashObj* pHash, SNodeList* pTags) { 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) { if ((TSDB_DATA_TYPE_VARCHAR == pTag->dataType.type && pTag->dataType.bytes > TSDB_MAX_BINARY_LEN) || (TSDB_DATA_TYPE_NCHAR == pTag->dataType.type && pTag->dataType.bytes > TSDB_MAX_NCHAR_LEN)) { code = code = generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_INVALID_VAR_COLUMN_LEN); } } if (TSDB_CODE_SUCCESS == code) { code = taosHashPut(pHash, pTag->colName, len, &pTag, POINTER_BYTES); } if (TSDB_CODE_SUCCESS == code) { tagsSize += pTag->dataType.bytes; } 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; } static int32_t checkTableColsSchema(STranslateContext* pCxt, SHashObj* pHash, SNodeList* pCols) { int32_t ncols = LIST_LENGTH(pCols); if (ncols < TSDB_MIN_COLUMNS) { return generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_INVALID_COLUMNS_NUM); } else if (ncols > TSDB_MAX_COLUMNS) { 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); } } 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) { if ((TSDB_DATA_TYPE_VARCHAR == pCol->dataType.type && calcTypeBytes(pCol->dataType) > TSDB_MAX_BINARY_LEN) || (TSDB_DATA_TYPE_NCHAR == pCol->dataType.type && calcTypeBytes(pCol->dataType) > TSDB_MAX_NCHAR_LEN)) { code = 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) { rowSize += pCol->dataType.bytes; } 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; } static int32_t checkTableSchema(STranslateContext* pCxt, SCreateTableStmt* pStmt) { 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; } int32_t code = checkTableTagsSchema(pCxt, pHash, pStmt->pTags); if (TSDB_CODE_SUCCESS == code) { code = checkTableColsSchema(pCxt, pHash, pStmt->pCols); } taosHashCleanup(pHash); return code; } static int32_t checkCreateTable(STranslateContext* pCxt, SCreateTableStmt* pStmt) { int32_t code = checkRangeOption(pCxt, "delay", pStmt->pOptions->delay, TSDB_MIN_ROLLUP_DELAY, TSDB_MAX_ROLLUP_DELAY); if (TSDB_CODE_SUCCESS == code) { code = checTableFactorOption(pCxt, pStmt->pOptions->filesFactor); } if (TSDB_CODE_SUCCESS == code) { code = checkTableRollupOption(pCxt, pStmt->pOptions->pRollupFuncs); } if (TSDB_CODE_SUCCESS == code) { code = checkRangeOption(pCxt, "ttl", pStmt->pOptions->ttl, TSDB_MIN_TABLE_TTL, INT32_MAX); } if (TSDB_CODE_SUCCESS == code) { code = checkTableSmaOption(pCxt, pStmt); } if (TSDB_CODE_SUCCESS == code) { code = checkTableSchema(pCxt, pStmt); } return code; } static void toSchema(const SColumnDefNode* pCol, col_id_t colId, SSchema* pSchema) { 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); } typedef struct SSampleAstInfo { const char* pDbName; const char* pTableName; SNodeList* pFuncs; SNode* pInterval; SNode* pOffset; SNode* pSliding; STableMeta* pRollupTableMeta; } SSampleAstInfo; static int32_t buildSampleAst(STranslateContext* pCxt, SSampleAstInfo* pInfo, char** pAst, int32_t* pLen) { SSelectStmt* pSelect = nodesMakeNode(QUERY_NODE_SELECT_STMT); if (NULL == pSelect) { return TSDB_CODE_OUT_OF_MEMORY; } sprintf(pSelect->stmtName, "%p", pSelect); SRealTableNode* pTable = nodesMakeNode(QUERY_NODE_REAL_TABLE); if (NULL == pTable) { nodesDestroyNode(pSelect); return TSDB_CODE_OUT_OF_MEMORY; } strcpy(pTable->table.dbName, pInfo->pDbName); strcpy(pTable->table.tableName, pInfo->pTableName); TSWAP(pTable->pMeta, pInfo->pRollupTableMeta); pSelect->pFromTable = (SNode*)pTable; TSWAP(pSelect->pProjectionList, pInfo->pFuncs); SFunctionNode* pFunc = nodesMakeNode(QUERY_NODE_FUNCTION); if (NULL == pSelect->pProjectionList || NULL == pFunc) { nodesDestroyNode(pSelect); return TSDB_CODE_OUT_OF_MEMORY; } strcpy(pFunc->functionName, "_wstartts"); nodesListPushFront(pSelect->pProjectionList, pFunc); SNode* pProject = NULL; FOREACH(pProject, pSelect->pProjectionList) { sprintf(((SExprNode*)pProject)->aliasName, "#%p", pProject); } SIntervalWindowNode* pInterval = nodesMakeNode(QUERY_NODE_INTERVAL_WINDOW); if (NULL == pInterval) { nodesDestroyNode(pSelect); return TSDB_CODE_OUT_OF_MEMORY; } pSelect->pWindow = (SNode*)pInterval; 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) { nodesDestroyNode(pSelect); return TSDB_CODE_OUT_OF_MEMORY; } ((SColumnNode*)pInterval->pCol)->colId = PRIMARYKEY_TIMESTAMP_COL_ID; strcpy(((SColumnNode*)pInterval->pCol)->colName, PK_TS_COL_INTERNAL_NAME); int32_t code = translateQuery(pCxt, (SNode*)pSelect); if (TSDB_CODE_SUCCESS == code) { code = nodesNodeToString(pSelect, false, pAst, pLen); } nodesDestroyNode(pSelect); return code; } static void clearSampleAstInfo(SSampleAstInfo* pInfo) { nodesDestroyList(pInfo->pFuncs); nodesDestroyNode(pInfo->pInterval); nodesDestroyNode(pInfo->pOffset); nodesDestroyNode(pInfo->pSliding); } static SNode* makeIntervalVal(SRetention* pRetension, int8_t precision) { SValueNode* pVal = nodesMakeNode(QUERY_NODE_VALUE); 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) { nodesDestroyNode(pVal); 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; } static SNode* createColumnFromDef(SColumnDefNode* pDef) { SColumnNode* pCol = nodesMakeNode(QUERY_NODE_COLUMN); if (NULL == pCol) { return NULL; } strcpy(pCol->colName, pDef->colName); return (SNode*)pCol; } static SNode* createRollupFunc(SNode* pSrcFunc, SColumnDefNode* pColDef) { SFunctionNode* pFunc = nodesCloneNode(pSrcFunc); if (NULL == pFunc) { return NULL; } if (TSDB_CODE_SUCCESS != nodesListMakeStrictAppend(&pFunc->pParameterList, createColumnFromDef(pColDef))) { nodesDestroyNode(pFunc); return NULL; } return (SNode*)pFunc; } static SNodeList* createRollupFuncs(SCreateTableStmt* pStmt) { 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; } static STableMeta* createRollupTableMeta(SCreateTableStmt* pStmt, int8_t precision) { 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; } static int32_t buildSampleAstInfoByTable(STranslateContext* pCxt, SCreateTableStmt* pStmt, SRetention* pRetension, 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; } return TSDB_CODE_SUCCESS; } static int32_t getRollupAst(STranslateContext* pCxt, SCreateTableStmt* pStmt, SRetention* pRetension, int8_t precision, char** pAst, int32_t* pLen) { SSampleAstInfo info = {0}; int32_t code = buildSampleAstInfoByTable(pCxt, pStmt, pRetension, precision, &info); if (TSDB_CODE_SUCCESS == code) { code = buildSampleAst(pCxt, &info, pAst, pLen); } clearSampleAstInfo(&info); return code; } static int32_t buildRollupAst(STranslateContext* pCxt, SCreateTableStmt* pStmt, SMCreateStbReq* pReq) { 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}; initTranslateContext(pCxt->pParseCxt, &cxt); 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; } } return code; } static int32_t buildCreateStbReq(STranslateContext* pCxt, SCreateTableStmt* pStmt, SMCreateStbReq* pReq) { pReq->igExists = pStmt->ignoreExists; pReq->xFilesFactor = pStmt->pOptions->filesFactor; pReq->delay = pStmt->pOptions->delay; pReq->ttl = pStmt->pOptions->ttl; columnDefNodeToField(pStmt->pCols, &pReq->pColumns); columnDefNodeToField(pStmt->pTags, &pReq->pTags); pReq->numOfColumns = LIST_LENGTH(pStmt->pCols); pReq->numOfTags = LIST_LENGTH(pStmt->pTags); if ('\0' != pStmt->pOptions->comment[0]) { pReq->comment = strdup(pStmt->pOptions->comment); if (NULL == pReq->comment) { return TSDB_CODE_OUT_OF_MEMORY; } pReq->commentLen = strlen(pStmt->pOptions->comment) + 1; } SName tableName; tNameExtractFullName(toName(pCxt->pParseCxt->acctId, pStmt->dbName, pStmt->tableName, &tableName), pReq->name); return buildRollupAst(pCxt, pStmt, pReq); } static int32_t translateCreateSuperTable(STranslateContext* pCxt, SCreateTableStmt* pStmt) { SMCreateStbReq createReq = {0}; int32_t code = checkCreateTable(pCxt, pStmt); 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; } static int32_t doTranslateDropSuperTable(STranslateContext* pCxt, const SName* pTableName, bool ignoreNotExists) { SMDropStbReq dropReq = {0}; tNameExtractFullName(pTableName, dropReq.name); dropReq.igNotExists = ignoreNotExists; return buildCmdMsg(pCxt, TDMT_MND_DROP_STB, (FSerializeFunc)tSerializeSMDropStbReq, &dropReq); } static int32_t translateDropTable(STranslateContext* pCxt, SDropTableStmt* pStmt) { SDropTableClause* pClause = nodesListGetNode(pStmt->pTables, 0); STableMeta* pTableMeta = NULL; SName tableName; int32_t code = getTableMetaImpl( pCxt, toName(pCxt->pParseCxt->acctId, pClause->dbName, pClause->tableName, &tableName), &pTableMeta); if ((TSDB_CODE_PAR_TABLE_NOT_EXIST == code || TSDB_CODE_VND_TB_NOT_EXIST == code) && pClause->ignoreNotExists) { return TSDB_CODE_SUCCESS; } if (TSDB_CODE_SUCCESS == code) { if (TSDB_SUPER_TABLE == pTableMeta->tableType) { code = doTranslateDropSuperTable(pCxt, &tableName, pClause->ignoreNotExists); } else { // todo : drop normal table or child table code = TSDB_CODE_FAILED; } taosMemoryFreeClear(pTableMeta); } return code; } static int32_t translateDropSuperTable(STranslateContext* pCxt, SDropSuperTableStmt* pStmt) { SName tableName; return doTranslateDropSuperTable(pCxt, toName(pCxt->pParseCxt->acctId, pStmt->dbName, pStmt->tableName, &tableName), pStmt->ignoreNotExists); } static int32_t setAlterTableField(SAlterTableStmt* pStmt, SMAlterStbReq* pAlterReq) { if (TSDB_ALTER_TABLE_UPDATE_OPTIONS == pStmt->alterType) { pAlterReq->ttl = pStmt->pOptions->ttl; if ('\0' != pStmt->pOptions->comment[0]) { pAlterReq->comment = strdup(pStmt->pOptions->comment); if (NULL == pAlterReq->comment) { return TSDB_CODE_OUT_OF_MEMORY; } pAlterReq->commentLen = strlen(pStmt->pOptions->comment) + 1; } 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; } static int32_t translateAlterTable(STranslateContext* pCxt, SAlterTableStmt* pStmt) { SMAlterStbReq alterReq = {0}; SName tableName; tNameExtractFullName(toName(pCxt->pParseCxt->acctId, pStmt->dbName, pStmt->tableName, &tableName), alterReq.name); alterReq.alterType = pStmt->alterType; if (TSDB_ALTER_TABLE_UPDATE_TAG_VAL == pStmt->alterType) { return TSDB_CODE_FAILED; } else { if (TSDB_CODE_SUCCESS != setAlterTableField(pStmt, &alterReq)) { return TSDB_CODE_OUT_OF_MEMORY; } } return buildCmdMsg(pCxt, TDMT_MND_ALTER_STB, (FSerializeFunc)tSerializeSMAlterStbReq, &alterReq); } static int32_t translateUseDatabase(STranslateContext* pCxt, SUseDatabaseStmt* pStmt) { SUseDbReq usedbReq = {0}; SName name = {0}; tNameSetDbName(&name, pCxt->pParseCxt->acctId, pStmt->dbName, strlen(pStmt->dbName)); tNameExtractFullName(&name, usedbReq.db); int32_t code = getDBVgVersion(pCxt, usedbReq.db, &usedbReq.vgVersion, &usedbReq.dbId, &usedbReq.numOfTable); if (TSDB_CODE_SUCCESS == code) { code = buildCmdMsg(pCxt, TDMT_MND_USE_DB, (FSerializeFunc)tSerializeSUseDbReq, &usedbReq); } return code; } static int32_t translateCreateUser(STranslateContext* pCxt, SCreateUserStmt* pStmt) { SCreateUserReq createReq = {0}; strcpy(createReq.user, pStmt->useName); createReq.createType = 0; createReq.superUser = 0; strcpy(createReq.pass, pStmt->password); return buildCmdMsg(pCxt, TDMT_MND_CREATE_USER, (FSerializeFunc)tSerializeSCreateUserReq, &createReq); } static int32_t translateAlterUser(STranslateContext* pCxt, SAlterUserStmt* pStmt) { SAlterUserReq alterReq = {0}; strcpy(alterReq.user, pStmt->useName); alterReq.alterType = pStmt->alterType; alterReq.superUser = 0; strcpy(alterReq.pass, pStmt->password); if (NULL != pCxt->pParseCxt->db) { strcpy(alterReq.dbname, pCxt->pParseCxt->db); } return buildCmdMsg(pCxt, TDMT_MND_ALTER_USER, (FSerializeFunc)tSerializeSAlterUserReq, &alterReq); } static int32_t translateDropUser(STranslateContext* pCxt, SDropUserStmt* pStmt) { SDropUserReq dropReq = {0}; strcpy(dropReq.user, pStmt->useName); return buildCmdMsg(pCxt, TDMT_MND_DROP_USER, (FSerializeFunc)tSerializeSDropUserReq, &dropReq); } static int32_t translateCreateDnode(STranslateContext* pCxt, SCreateDnodeStmt* pStmt) { SCreateDnodeReq createReq = {0}; strcpy(createReq.fqdn, pStmt->fqdn); createReq.port = pStmt->port; return buildCmdMsg(pCxt, TDMT_MND_CREATE_DNODE, (FSerializeFunc)tSerializeSCreateDnodeReq, &createReq); } static int32_t translateDropDnode(STranslateContext* pCxt, SDropDnodeStmt* pStmt) { SDropDnodeReq dropReq = {0}; dropReq.dnodeId = pStmt->dnodeId; strcpy(dropReq.fqdn, pStmt->fqdn); dropReq.port = pStmt->port; return buildCmdMsg(pCxt, TDMT_MND_DROP_DNODE, (FSerializeFunc)tSerializeSDropDnodeReq, &dropReq); } static int32_t translateAlterDnode(STranslateContext* pCxt, SAlterDnodeStmt* pStmt) { SMCfgDnodeReq cfgReq = {0}; cfgReq.dnodeId = pStmt->dnodeId; strcpy(cfgReq.config, pStmt->config); strcpy(cfgReq.value, pStmt->value); return buildCmdMsg(pCxt, TDMT_MND_CONFIG_DNODE, (FSerializeFunc)tSerializeSMCfgDnodeReq, &cfgReq); } static int32_t nodeTypeToShowType(ENodeType nt) { switch (nt) { case QUERY_NODE_SHOW_CONNECTIONS_STMT: return TSDB_MGMT_TABLE_CONNS; case QUERY_NODE_SHOW_LICENCE_STMT: return TSDB_MGMT_TABLE_GRANTS; case QUERY_NODE_SHOW_QUERIES_STMT: return TSDB_MGMT_TABLE_QUERIES; case QUERY_NODE_SHOW_VARIABLE_STMT: return 0; // todo default: break; } return 0; } static int32_t translateShow(STranslateContext* pCxt, SShowStmt* pStmt) { SShowReq showReq = {.type = nodeTypeToShowType(nodeType(pStmt))}; return buildCmdMsg(pCxt, TDMT_MND_SHOW, (FSerializeFunc)tSerializeSShowReq, &showReq); } static int32_t getSmaIndexDstVgId(STranslateContext* pCxt, char* pTableName, int32_t* pVgId) { SVgroupInfo vg = {0}; int32_t code = getTableHashVgroup(pCxt, pCxt->pParseCxt->db, pTableName, &vg); if (TSDB_CODE_SUCCESS == code) { *pVgId = vg.vgId; } return code; } static int32_t getSmaIndexSql(STranslateContext* pCxt, char** pSql, int32_t* pLen) { *pSql = strdup(pCxt->pParseCxt->pSql); if (NULL == *pSql) { return TSDB_CODE_OUT_OF_MEMORY; } *pLen = pCxt->pParseCxt->sqlLen + 1; return TSDB_CODE_SUCCESS; } static int32_t getSmaIndexExpr(STranslateContext* pCxt, SCreateIndexStmt* pStmt, char** pExpr, int32_t* pLen) { return nodesListToString(pStmt->pOptions->pFuncs, false, pExpr, pLen); } static int32_t buildSampleAstInfoByIndex(STranslateContext* pCxt, SCreateIndexStmt* pStmt, SSampleAstInfo* pInfo) { pInfo->pDbName = pCxt->pParseCxt->db; 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; } static int32_t getSmaIndexAst(STranslateContext* pCxt, SCreateIndexStmt* pStmt, char** pAst, int32_t* pLen) { SSampleAstInfo info = {0}; int32_t code = buildSampleAstInfoByIndex(pCxt, pStmt, &info); if (TSDB_CODE_SUCCESS == code) { code = buildSampleAst(pCxt, &info, pAst, pLen); } clearSampleAstInfo(&info); return code; } static int32_t buildCreateSmaReq(STranslateContext* pCxt, SCreateIndexStmt* pStmt, SMCreateSmaReq* pReq) { SName name; tNameExtractFullName(toName(pCxt->pParseCxt->acctId, pCxt->pParseCxt->db, pStmt->indexName, &name), pReq->name); strcpy(name.tname, pStmt->tableName); name.tname[strlen(pStmt->tableName)] = '\0'; tNameExtractFullName(&name, pReq->stb); 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); int32_t code = getSmaIndexDstVgId(pCxt, pStmt->tableName, &pReq->dstVgId); if (TSDB_CODE_SUCCESS == code) { code = getSmaIndexSql(pCxt, &pReq->sql, &pReq->sqlLen); } if (TSDB_CODE_SUCCESS == code) { code = getSmaIndexExpr(pCxt, pStmt, &pReq->expr, &pReq->exprLen); } if (TSDB_CODE_SUCCESS == code) { code = getSmaIndexAst(pCxt, pStmt, &pReq->ast, &pReq->astLen); } return code; } static int32_t translateCreateSmaIndex(STranslateContext* pCxt, SCreateIndexStmt* pStmt) { if (DEAL_RES_ERROR == translateValue(pCxt, (SValueNode*)pStmt->pOptions->pInterval) || (NULL != pStmt->pOptions->pOffset && DEAL_RES_ERROR == translateValue(pCxt, (SValueNode*)pStmt->pOptions->pOffset)) || (NULL != pStmt->pOptions->pSliding && DEAL_RES_ERROR == translateValue(pCxt, (SValueNode*)pStmt->pOptions->pSliding))) { return pCxt->errCode; } SMCreateSmaReq createSmaReq = {0}; int32_t code = buildCreateSmaReq(pCxt, pStmt, &createSmaReq); if (TSDB_CODE_SUCCESS == code) { code = buildCmdMsg(pCxt, TDMT_MND_CREATE_SMA, (FSerializeFunc)tSerializeSMCreateSmaReq, &createSmaReq); } tFreeSMCreateSmaReq(&createSmaReq); return code; } static int32_t buildCreateFullTextReq(STranslateContext* pCxt, SCreateIndexStmt* pStmt, SMCreateFullTextReq* pReq) { // impl later return 0; } static int32_t translateCreateFullTextIndex(STranslateContext* pCxt, SCreateIndexStmt* pStmt) { 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; } static int32_t translateCreateIndex(STranslateContext* pCxt, SCreateIndexStmt* pStmt) { if (INDEX_TYPE_SMA == pStmt->indexType) { return translateCreateSmaIndex(pCxt, pStmt); } else if (INDEX_TYPE_FULLTEXT == pStmt->indexType) { return translateCreateFullTextIndex(pCxt, pStmt); } return TSDB_CODE_FAILED; } static int32_t translateDropIndex(STranslateContext* pCxt, SDropIndexStmt* pStmt) { SEncoder encoder = {0}; int32_t contLen = 0; SVDropTSmaReq dropSmaReq = {0}; strcpy(dropSmaReq.indexName, pStmt->indexName); pCxt->pCmdMsg = taosMemoryMalloc(sizeof(SCmdMsgInfo)); if (NULL == pCxt->pCmdMsg) { return TSDB_CODE_OUT_OF_MEMORY; } int32_t ret = 0; tEncodeSize(tEncodeSVDropTSmaReq, &dropSmaReq, contLen, ret); if (ret < 0) { return TSDB_CODE_OUT_OF_MEMORY; } pCxt->pCmdMsg->epSet = pCxt->pParseCxt->mgmtEpSet; pCxt->pCmdMsg->msgType = TDMT_VND_DROP_SMA; pCxt->pCmdMsg->msgLen = contLen; pCxt->pCmdMsg->pMsg = taosMemoryMalloc(pCxt->pCmdMsg->msgLen); if (NULL == pCxt->pCmdMsg->pMsg) { return TSDB_CODE_OUT_OF_MEMORY; } void* pBuf = pCxt->pCmdMsg->pMsg; if (tEncodeSVDropTSmaReq(&encoder, &dropSmaReq) < 0) { tEncoderClear(&encoder); return TSDB_CODE_OUT_OF_MEMORY; } tEncoderClear(&encoder); return TSDB_CODE_SUCCESS; } 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; } static int32_t translateCreateComponentNode(STranslateContext* pCxt, SCreateComponentNodeStmt* pStmt) { SMCreateQnodeReq createReq = {.dnodeId = pStmt->dnodeId}; return buildCmdMsg(pCxt, getCreateComponentNodeMsgType(nodeType(pStmt)), (FSerializeFunc)tSerializeSCreateDropMQSBNodeReq, &createReq); } static int16_t getDropComponentNodeMsgType(ENodeType type) { 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; } static int32_t translateDropComponentNode(STranslateContext* pCxt, SDropComponentNodeStmt* pStmt) { SDDropQnodeReq dropReq = {.dnodeId = pStmt->dnodeId}; return buildCmdMsg(pCxt, getDropComponentNodeMsgType(nodeType(pStmt)), (FSerializeFunc)tSerializeSCreateDropMQSBNodeReq, &dropReq); } static int32_t buildCreateTopicReq(STranslateContext* pCxt, SCreateTopicStmt* pStmt, SCMCreateTopicReq* pReq) { SName name; tNameSetDbName(&name, pCxt->pParseCxt->acctId, pStmt->topicName, strlen(pStmt->topicName)); tNameGetFullDbName(&name, pReq->name); pReq->igExists = pStmt->ignoreExists; pReq->withTbName = pStmt->pOptions->withTable; pReq->withSchema = pStmt->pOptions->withSchema; pReq->withTag = pStmt->pOptions->withTag; pReq->sql = strdup(pCxt->pParseCxt->pSql); if (NULL == pReq->sql) { return TSDB_CODE_OUT_OF_MEMORY; } int32_t code = TSDB_CODE_SUCCESS; const char* dbName; if (NULL != pStmt->pQuery) { dbName = ((SRealTableNode*)(((SSelectStmt*)pStmt->pQuery)->pFromTable))->table.dbName; pCxt->pParseCxt->topicQuery = true; code = translateQuery(pCxt, pStmt->pQuery); if (TSDB_CODE_SUCCESS == code) { code = nodesNodeToString(pStmt->pQuery, false, &pReq->ast, NULL); } } else { dbName = pStmt->subscribeDbName; } tNameSetDbName(&name, pCxt->pParseCxt->acctId, dbName, strlen(dbName)); tNameGetFullDbName(&name, pReq->subscribeDbName); return code; } static int32_t checkCreateTopic(STranslateContext* pCxt, SCreateTopicStmt* pStmt) { if (NULL == pStmt->pQuery) { return TSDB_CODE_SUCCESS; } if (QUERY_NODE_SELECT_STMT == nodeType(pStmt->pQuery)) { SSelectStmt* pSelect = (SSelectStmt*)pStmt->pQuery; if (!pSelect->isDistinct && QUERY_NODE_REAL_TABLE == nodeType(pSelect->pFromTable) && NULL == pSelect->pGroupByList && NULL == pSelect->pLimit && NULL == pSelect->pSlimit && NULL == pSelect->pOrderByList && NULL == pSelect->pPartitionByList) { return TSDB_CODE_SUCCESS; } } return generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_INVALID_TOPIC_QUERY); } static int32_t translateCreateTopic(STranslateContext* pCxt, SCreateTopicStmt* pStmt) { SCMCreateTopicReq createReq = {0}; int32_t code = checkCreateTopic(pCxt, pStmt); if (TSDB_CODE_SUCCESS == code) { code = buildCreateTopicReq(pCxt, pStmt, &createReq); } if (TSDB_CODE_SUCCESS == code) { code = buildCmdMsg(pCxt, TDMT_MND_CREATE_TOPIC, (FSerializeFunc)tSerializeSCMCreateTopicReq, &createReq); } tFreeSCMCreateTopicReq(&createReq); return code; } static int32_t translateDropTopic(STranslateContext* pCxt, SDropTopicStmt* pStmt) { SMDropTopicReq dropReq = {0}; SName name; tNameSetDbName(&name, pCxt->pParseCxt->acctId, pStmt->topicName, strlen(pStmt->topicName)); tNameGetFullDbName(&name, dropReq.name); dropReq.igNotExists = pStmt->ignoreNotExists; return buildCmdMsg(pCxt, TDMT_MND_DROP_TOPIC, (FSerializeFunc)tSerializeSMDropTopicReq, &dropReq); } static int32_t translateAlterLocal(STranslateContext* pCxt, SAlterLocalStmt* pStmt) { // todo return TSDB_CODE_SUCCESS; } static int32_t translateExplain(STranslateContext* pCxt, SExplainStmt* pStmt) { if (pStmt->analyze) { pCxt->pExplainOpt = pStmt->pOptions; } return translateQuery(pCxt, pStmt->pQuery); } static int32_t translateDescribe(STranslateContext* pCxt, SDescribeStmt* pStmt) { return getTableMeta(pCxt, pStmt->dbName, pStmt->tableName, &pStmt->pMeta); } static int32_t translateKillConnection(STranslateContext* pCxt, SKillStmt* pStmt) { SKillConnReq killReq = {0}; killReq.connId = pStmt->targetId; return buildCmdMsg(pCxt, TDMT_MND_KILL_CONN, (FSerializeFunc)tSerializeSKillQueryReq, &killReq); } static int32_t translateKillQuery(STranslateContext* pCxt, SKillStmt* pStmt) { SKillQueryReq killReq = {0}; killReq.queryId = pStmt->targetId; return buildCmdMsg(pCxt, TDMT_MND_KILL_QUERY, (FSerializeFunc)tSerializeSKillQueryReq, &killReq); } static int32_t translateKillTransaction(STranslateContext* pCxt, SKillStmt* pStmt) { SKillTransReq killReq = {0}; killReq.transId = pStmt->targetId; return buildCmdMsg(pCxt, TDMT_MND_KILL_TRANS, (FSerializeFunc)tSerializeSKillTransReq, &killReq); } static int32_t checkCreateStream(STranslateContext* pCxt, SCreateStreamStmt* pStmt) { if (NULL == pStmt->pQuery) { return TSDB_CODE_SUCCESS; } if (QUERY_NODE_SELECT_STMT == nodeType(pStmt->pQuery)) { SSelectStmt* pSelect = (SSelectStmt*)pStmt->pQuery; if (QUERY_NODE_REAL_TABLE == nodeType(pSelect->pFromTable)) { return TSDB_CODE_SUCCESS; } } return generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_INVALID_STREAM_QUERY); } static void getSourceDatabase(SNode* pStmt, int32_t acctId, char* pDbFName) { SName name = {.type = TSDB_DB_NAME_T, .acctId = acctId}; strcpy(name.dbname, ((SRealTableNode*)(((SSelectStmt*)pStmt)->pFromTable))->table.dbName); tNameGetFullDbName(&name, pDbFName); } static int32_t buildCreateStreamReq(STranslateContext* pCxt, SCreateStreamStmt* pStmt, SCMCreateStreamReq* pReq) { pReq->igExists = pStmt->ignoreExists; SName name; tNameExtractFullName(toName(pCxt->pParseCxt->acctId, pCxt->pParseCxt->db, pStmt->streamName, &name), pReq->name); if ('\0' != pStmt->targetTabName[0]) { strcpy(name.dbname, pStmt->targetDbName); strcpy(name.tname, pStmt->targetTabName); tNameExtractFullName(&name, pReq->targetStbFullName); } int32_t code = translateQuery(pCxt, pStmt->pQuery); if (TSDB_CODE_SUCCESS == code) { getSourceDatabase(pStmt->pQuery, pCxt->pParseCxt->acctId, pReq->sourceDB); code = nodesNodeToString(pStmt->pQuery, false, &pReq->ast, NULL); } if (TSDB_CODE_SUCCESS == code) { pReq->sql = strdup(pCxt->pParseCxt->pSql); if (NULL == pReq->sql) { code = TSDB_CODE_OUT_OF_MEMORY; } } if (TSDB_CODE_SUCCESS == code && NULL != pStmt->pOptions->pWatermark) { code = (DEAL_RES_ERROR == translateValue(pCxt, (SValueNode*)pStmt->pOptions->pWatermark)) ? pCxt->errCode : TSDB_CODE_SUCCESS; } if (TSDB_CODE_SUCCESS == code) { pReq->triggerType = pStmt->pOptions->triggerType; pReq->watermark = (NULL != pStmt->pOptions->pWatermark ? ((SValueNode*)pStmt->pOptions->pWatermark)->datum.i : 0); } return code; } static int32_t translateCreateStream(STranslateContext* pCxt, SCreateStreamStmt* pStmt) { SCMCreateStreamReq createReq = {0}; 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); } tFreeSCMCreateStreamReq(&createReq); return code; } static int32_t translateDropStream(STranslateContext* pCxt, SDropStreamStmt* pStmt) { // todo return TSDB_CODE_SUCCESS; } static int32_t readFromFile(char* pName, int32_t* len, char** buf) { 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); return TSDB_CODE_TSC_APP_ERROR; } taosCloseFile(&tfile); return TSDB_CODE_SUCCESS; } static int32_t translateCreateFunction(STranslateContext* pCxt, SCreateFunctionStmt* pStmt) { SCreateFuncReq req = {0}; strcpy(req.name, pStmt->funcName); req.igExists = pStmt->ignoreExists; req.funcType = pStmt->isAgg ? TSDB_FUNC_TYPE_AGGREGATE : TSDB_FUNC_TYPE_SCALAR; req.scriptType = TSDB_FUNC_SCRIPT_BIN_LIB; req.outputType = pStmt->outputDt.type; 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); } return code; } static int32_t translateDropFunction(STranslateContext* pCxt, SDropFunctionStmt* pStmt) { SDropFuncReq req = {0}; strcpy(req.name, pStmt->funcName); req.igNotExists = pStmt->ignoreNotExists; return buildCmdMsg(pCxt, TDMT_MND_DROP_FUNC, (FSerializeFunc)tSerializeSDropFuncReq, &req); } static int32_t translateGrant(STranslateContext* pCxt, SGrantStmt* pStmt) { SAlterUserReq req = {0}; if (PRIVILEGE_TYPE_TEST_MASK(pStmt->privileges, PRIVILEGE_TYPE_ALL) || (PRIVILEGE_TYPE_TEST_MASK(pStmt->privileges, PRIVILEGE_TYPE_READ) && PRIVILEGE_TYPE_TEST_MASK(pStmt->privileges, PRIVILEGE_TYPE_WRITE))) { req.alterType = TSDB_ALTER_USER_ADD_ALL_DB; } else if (PRIVILEGE_TYPE_TEST_MASK(pStmt->privileges, PRIVILEGE_TYPE_READ)) { req.alterType = TSDB_ALTER_USER_ADD_READ_DB; } else if (PRIVILEGE_TYPE_TEST_MASK(pStmt->privileges, PRIVILEGE_TYPE_WRITE)) { req.alterType = TSDB_ALTER_USER_ADD_WRITE_DB; } strcpy(req.user, pStmt->userName); sprintf(req.dbname, "%d.%s", pCxt->pParseCxt->acctId, pStmt->dbName); return buildCmdMsg(pCxt, TDMT_MND_ALTER_USER, (FSerializeFunc)tSerializeSAlterUserReq, &req); } static int32_t translateRevoke(STranslateContext* pCxt, SRevokeStmt* pStmt) { SAlterUserReq req = {0}; if (PRIVILEGE_TYPE_TEST_MASK(pStmt->privileges, PRIVILEGE_TYPE_ALL) || (PRIVILEGE_TYPE_TEST_MASK(pStmt->privileges, PRIVILEGE_TYPE_READ) && PRIVILEGE_TYPE_TEST_MASK(pStmt->privileges, PRIVILEGE_TYPE_WRITE))) { req.alterType = TSDB_ALTER_USER_REMOVE_ALL_DB; } else if (PRIVILEGE_TYPE_TEST_MASK(pStmt->privileges, PRIVILEGE_TYPE_READ)) { req.alterType = TSDB_ALTER_USER_REMOVE_READ_DB; } else if (PRIVILEGE_TYPE_TEST_MASK(pStmt->privileges, PRIVILEGE_TYPE_WRITE)) { req.alterType = TSDB_ALTER_USER_REMOVE_WRITE_DB; } strcpy(req.user, pStmt->userName); sprintf(req.dbname, "%d.%s", pCxt->pParseCxt->acctId, pStmt->dbName); return buildCmdMsg(pCxt, TDMT_MND_ALTER_USER, (FSerializeFunc)tSerializeSAlterUserReq, &req); } static int32_t translateQuery(STranslateContext* pCxt, SNode* pNode) { 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; 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; 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: code = translateAlterTable(pCxt, (SAlterTableStmt*)pNode); 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_SHOW_CONNECTIONS_STMT: case QUERY_NODE_SHOW_QUERIES_STMT: case QUERY_NODE_SHOW_TOPICS_STMT: code = translateShow(pCxt, (SShowStmt*)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; 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; case QUERY_NODE_KILL_CONNECTION_STMT: code = translateKillConnection(pCxt, (SKillStmt*)pNode); break; case QUERY_NODE_KILL_QUERY_STMT: code = translateKillQuery(pCxt, (SKillStmt*)pNode); 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; 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; default: break; } return code; } static int32_t translateSubquery(STranslateContext* pCxt, SNode* pNode) { ++(pCxt->currLevel); ESqlClause currClause = pCxt->currClause; SSelectStmt* pCurrStmt = pCxt->pCurrStmt; int32_t code = translateQuery(pCxt, pNode); --(pCxt->currLevel); pCxt->currClause = currClause; pCxt->pCurrStmt = pCurrStmt; return code; } static int32_t extractQueryResultSchema(const SNodeList* pProjections, int32_t* numOfCols, SSchema** pSchema) { *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; (*pSchema)[index].type = pExpr->resType.type; (*pSchema)[index].bytes = pExpr->resType.bytes; (*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; } static int8_t extractResultTsPrecision(const SSelectStmt* pSelect) { return pSelect->precision; } static int32_t extractExplainResultSchema(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_BINARY; (*pSchema)[0].bytes = TSDB_EXPLAIN_RESULT_ROW_SIZE; strcpy((*pSchema)[0].name, TSDB_EXPLAIN_RESULT_COLUMN_NAME); return TSDB_CODE_SUCCESS; } static int32_t extractDescribeResultSchema(int32_t* numOfCols, SSchema** pSchema) { *numOfCols = DESCRIBE_RESULT_COLS; *pSchema = taosMemoryCalloc((*numOfCols), sizeof(SSchema)); if (NULL == (*pSchema)) { return TSDB_CODE_OUT_OF_MEMORY; } (*pSchema)[0].type = TSDB_DATA_TYPE_BINARY; (*pSchema)[0].bytes = DESCRIBE_RESULT_FIELD_LEN; strcpy((*pSchema)[0].name, "field"); (*pSchema)[1].type = TSDB_DATA_TYPE_BINARY; (*pSchema)[1].bytes = DESCRIBE_RESULT_TYPE_LEN; strcpy((*pSchema)[1].name, "type"); (*pSchema)[2].type = TSDB_DATA_TYPE_INT; (*pSchema)[2].bytes = tDataTypes[TSDB_DATA_TYPE_INT].bytes; strcpy((*pSchema)[2].name, "length"); (*pSchema)[3].type = TSDB_DATA_TYPE_BINARY; (*pSchema)[3].bytes = DESCRIBE_RESULT_NOTE_LEN; strcpy((*pSchema)[3].name, "note"); return TSDB_CODE_SUCCESS; } int32_t extractResultSchema(const SNode* pRoot, int32_t* numOfCols, SSchema** pSchema) { if (NULL == pRoot) { return TSDB_CODE_SUCCESS; } 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); default: break; } return TSDB_CODE_FAILED; } static const char* getSysDbName(ENodeType type) { switch (type) { 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_VGROUPS_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_LICENCE_STMT: case QUERY_NODE_SHOW_CLUSTER_STMT: return TSDB_INFORMATION_SCHEMA_DB; case QUERY_NODE_SHOW_CONNECTIONS_STMT: case QUERY_NODE_SHOW_QUERIES_STMT: case QUERY_NODE_SHOW_TOPICS_STMT: case QUERY_NODE_SHOW_TRANSACTIONS_STMT: return TSDB_PERFORMANCE_SCHEMA_DB; default: break; } return NULL; } static const char* getSysTableName(ENodeType type) { switch (type) { case QUERY_NODE_SHOW_DATABASES_STMT: return TSDB_INS_TABLE_USER_DATABASES; case QUERY_NODE_SHOW_TABLES_STMT: return TSDB_INS_TABLE_USER_TABLES; case QUERY_NODE_SHOW_STABLES_STMT: return TSDB_INS_TABLE_USER_STABLES; case QUERY_NODE_SHOW_USERS_STMT: return TSDB_INS_TABLE_USER_USERS; case QUERY_NODE_SHOW_DNODES_STMT: return TSDB_INS_TABLE_DNODES; case QUERY_NODE_SHOW_VGROUPS_STMT: return TSDB_INS_TABLE_VGROUPS; case QUERY_NODE_SHOW_MNODES_STMT: return TSDB_INS_TABLE_MNODES; case QUERY_NODE_SHOW_MODULES_STMT: return TSDB_INS_TABLE_MODULES; case QUERY_NODE_SHOW_QNODES_STMT: return TSDB_INS_TABLE_QNODES; case QUERY_NODE_SHOW_FUNCTIONS_STMT: return TSDB_INS_TABLE_USER_FUNCTIONS; case QUERY_NODE_SHOW_INDEXES_STMT: return TSDB_INS_TABLE_USER_INDEXES; case QUERY_NODE_SHOW_STREAMS_STMT: return TSDB_INS_TABLE_USER_STREAMS; case QUERY_NODE_SHOW_BNODES_STMT: return TSDB_INS_TABLE_BNODES; case QUERY_NODE_SHOW_SNODES_STMT: return TSDB_INS_TABLE_SNODES; case QUERY_NODE_SHOW_LICENCE_STMT: return TSDB_INS_TABLE_LICENCES; case QUERY_NODE_SHOW_CLUSTER_STMT: return TSDB_INS_TABLE_CLUSTER; case QUERY_NODE_SHOW_CONNECTIONS_STMT: return TSDB_PERFS_TABLE_CONNECTIONS; case QUERY_NODE_SHOW_QUERIES_STMT: return TSDB_PERFS_TABLE_QUERIES; case QUERY_NODE_SHOW_TOPICS_STMT: return TSDB_PERFS_TABLE_TOPICS; case QUERY_NODE_SHOW_TRANSACTIONS_STMT: return TSDB_PERFS_TABLE_TRANS; default: break; } return NULL; } static int32_t createSelectStmtForShow(ENodeType showType, SSelectStmt** pStmt) { SSelectStmt* pSelect = nodesMakeNode(QUERY_NODE_SELECT_STMT); if (NULL == pSelect) { return TSDB_CODE_OUT_OF_MEMORY; } sprintf(pSelect->stmtName, "%p", pSelect); SRealTableNode* pTable = nodesMakeNode(QUERY_NODE_REAL_TABLE); if (NULL == pTable) { nodesDestroyNode(pSelect); return TSDB_CODE_OUT_OF_MEMORY; } strcpy(pTable->table.dbName, getSysDbName(showType)); strcpy(pTable->table.tableName, getSysTableName(showType)); strcpy(pTable->table.tableAlias, pTable->table.tableName); pSelect->pFromTable = (SNode*)pTable; *pStmt = pSelect; return TSDB_CODE_SUCCESS; } static int32_t createOperatorNode(EOperatorType opType, const char* pColName, SNode* pRight, SNode** pOp) { if (NULL == pRight) { return TSDB_CODE_SUCCESS; } SOperatorNode* pOper = nodesMakeNode(QUERY_NODE_OPERATOR); if (NULL == pOper) { return TSDB_CODE_OUT_OF_MEMORY; } pOper->opType = opType; pOper->pLeft = nodesMakeNode(QUERY_NODE_COLUMN); pOper->pRight = nodesCloneNode(pRight); if (NULL == pOper->pLeft || NULL == pOper->pRight) { nodesDestroyNode(pOper); return TSDB_CODE_OUT_OF_MEMORY; } strcpy(((SColumnNode*)pOper->pLeft)->colName, pColName); *pOp = (SNode*)pOper; return TSDB_CODE_SUCCESS; } static const char* getTbNameColName(ENodeType type) { return (QUERY_NODE_SHOW_STABLES_STMT == type ? "stable_name" : "table_name"); } static int32_t createLogicCondNode(SNode* pCond1, SNode* pCond2, SNode** pCond) { SLogicConditionNode* pCondition = nodesMakeNode(QUERY_NODE_LOGIC_CONDITION); if (NULL == pCondition) { return TSDB_CODE_OUT_OF_MEMORY; } pCondition->condType = LOGIC_COND_TYPE_AND; pCondition->pParameterList = nodesMakeList(); if (NULL == pCondition->pParameterList) { nodesDestroyNode(pCondition); return TSDB_CODE_OUT_OF_MEMORY; } if (TSDB_CODE_SUCCESS != nodesListAppend(pCondition->pParameterList, pCond1) || TSDB_CODE_SUCCESS != nodesListAppend(pCondition->pParameterList, pCond2)) { nodesDestroyNode(pCondition); return TSDB_CODE_OUT_OF_MEMORY; } *pCond = (SNode*)pCondition; return TSDB_CODE_SUCCESS; } static int32_t createShowCondition(const SShowStmt* pShow, SSelectStmt* pSelect) { SNode* pDbCond = NULL; SNode* pTbCond = NULL; if (TSDB_CODE_SUCCESS != createOperatorNode(OP_TYPE_EQUAL, "db_name", pShow->pDbName, &pDbCond) || TSDB_CODE_SUCCESS != createOperatorNode(OP_TYPE_LIKE, getTbNameColName(nodeType(pShow)), pShow->pTbNamePattern, &pTbCond)) { 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; } static int32_t rewriteShow(STranslateContext* pCxt, SQuery* pQuery) { 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) { pQuery->showRewrite = true; nodesDestroyNode(pQuery->pRoot); pQuery->pRoot = (SNode*)pStmt; } return code; } typedef struct SVgroupCreateTableBatch { SVCreateTbBatchReq req; SVgroupInfo info; char dbName[TSDB_DB_NAME_LEN]; } SVgroupCreateTableBatch; static void destroyCreateTbReq(SVCreateTbReq* pReq) { taosMemoryFreeClear(pReq->name); taosMemoryFreeClear(pReq->ntb.schema.pSchema); } static int32_t buildNormalTableBatchReq(int32_t acctId, const SCreateTableStmt* pStmt, const SVgroupInfo* pVgroupInfo, 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; req.name = strdup(pStmt->tableName); req.ntb.schema.nCols = LIST_LENGTH(pStmt->pCols); req.ntb.schema.sver = 1; req.ntb.schema.pSchema = taosMemoryCalloc(req.ntb.schema.nCols, sizeof(SSchema)); if (NULL == req.name || NULL == req.ntb.schema.pSchema) { destroyCreateTbReq(&req); 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) { toSchema((SColumnDefNode*)pCol, index + 1, req.ntb.schema.pSchema + index); ++index; } pBatch->info = *pVgroupInfo; strcpy(pBatch->dbName, pStmt->dbName); pBatch->req.pArray = taosArrayInit(1, sizeof(struct SVCreateTbReq)); if (NULL == pBatch->req.pArray) { destroyCreateTbReq(&req); return TSDB_CODE_OUT_OF_MEMORY; } taosArrayPush(pBatch->req.pArray, &req); return TSDB_CODE_SUCCESS; } static int32_t serializeVgroupCreateTableBatch(SVgroupCreateTableBatch* pTbBatch, SArray* pBufArray) { 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; } static void destroyCreateTbReqBatch(SVgroupCreateTableBatch* pTbBatch) { size_t size = taosArrayGetSize(pTbBatch->req.pArray); for (int32_t i = 0; i < size; ++i) { SVCreateTbReq* pTableReq = taosArrayGet(pTbBatch->req.pArray, i); taosMemoryFreeClear(pTableReq->name); if (pTableReq->type == TSDB_NORMAL_TABLE) { taosMemoryFreeClear(pTableReq->ntb.schema.pSchema); } else if (pTableReq->type == TSDB_CHILD_TABLE) { taosMemoryFreeClear(pTableReq->ctb.pTag); } } taosArrayDestroy(pTbBatch->req.pArray); } static int32_t rewriteToVnodeModifyOpStmt(SQuery* pQuery, SArray* pBufArray) { SVnodeModifOpStmt* pNewStmt = nodesMakeNode(QUERY_NODE_VNODE_MODIF_STMT); 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; } static void destroyCreateTbReqArray(SArray* pArray) { 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); } static int32_t buildCreateTableDataBlock(int32_t acctId, const SCreateTableStmt* pStmt, const SVgroupInfo* pInfo, SArray** pBufArray) { *pBufArray = taosArrayInit(1, POINTER_BYTES); if (NULL == *pBufArray) { return TSDB_CODE_OUT_OF_MEMORY; } SVgroupCreateTableBatch tbatch = {0}; int32_t code = buildNormalTableBatchReq(acctId, pStmt, pInfo, &tbatch); if (TSDB_CODE_SUCCESS == code) { code = serializeVgroupCreateTableBatch(&tbatch, *pBufArray); } destroyCreateTbReqBatch(&tbatch); if (TSDB_CODE_SUCCESS != code) { destroyCreateTbReqArray(*pBufArray); } return code; } static int32_t rewriteCreateTable(STranslateContext* pCxt, SQuery* pQuery) { SCreateTableStmt* pStmt = (SCreateTableStmt*)pQuery->pRoot; int32_t code = checkCreateTable(pCxt, pStmt); SVgroupInfo info = {0}; if (TSDB_CODE_SUCCESS == code) { code = getTableHashVgroup(pCxt, pStmt->dbName, pStmt->tableName, &info); } 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; } static void addCreateTbReqIntoVgroup(int32_t acctId, SHashObj* pVgroupHashmap, SCreateSubTableClause* pStmt, SKVRow row, uint64_t suid, SVgroupInfo* pVgInfo) { char dbFName[TSDB_DB_FNAME_LEN] = {0}; SName name = {.type = TSDB_DB_NAME_T, .acctId = acctId}; strcpy(name.dbname, pStmt->dbName); tNameGetFullDbName(&name, dbFName); struct SVCreateTbReq req = {0}; req.type = TD_CHILD_TABLE; req.name = strdup(pStmt->tableName); req.ctb.suid = suid; req.ctb.pTag = row; 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); } } static int32_t addValToKVRow(STranslateContext* pCxt, SValueNode* pVal, const SSchema* pSchema, SKVRowBuilder* pBuilder) { if (pSchema->type == TSDB_DATA_TYPE_JSON) { 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); } return parseJsontoTagData(pVal->literal, pBuilder, &pCxt->msgBuf, pSchema->colId); } if (pVal->node.resType.type == TSDB_DATA_TYPE_NULL) { // todo } else { tdAddColToKVRow(pBuilder, pSchema->colId, nodesGetValueFromNode(pVal), IS_VAR_DATA_TYPE(pSchema->type) ? varDataTLen(pVal->datum.p) : TYPE_BYTES[pSchema->type]); } return TSDB_CODE_SUCCESS; } static int32_t createValueFromFunction(STranslateContext* pCxt, SFunctionNode* pFunc, SValueNode** pVal) { if (DEAL_RES_ERROR == translateFunction(pCxt, pFunc)) { return pCxt->errCode; } return scalarCalculateConstants((SNode*)pFunc, (SNode**)pVal); } static SDataType schemaToDataType(SSchema* pSchema) { SDataType dt = {.type = pSchema->type, .bytes = pSchema->bytes, .precision = 0, .scale = 0}; if (TSDB_DATA_TYPE_VARCHAR == dt.type || TSDB_DATA_TYPE_BINARY == dt.type || TSDB_DATA_TYPE_VARBINARY == dt.type) { dt.bytes -= VARSTR_HEADER_SIZE; } else if (TSDB_DATA_TYPE_NCHAR == dt.type) { dt.bytes = (dt.bytes - VARSTR_HEADER_SIZE) / TSDB_NCHAR_SIZE; } return dt; } static int32_t translateTagVal(STranslateContext* pCxt, SSchema* pSchema, SNode* pNode, SValueNode** pVal) { if (QUERY_NODE_FUNCTION == nodeType(pNode)) { return createValueFromFunction(pCxt, (SFunctionNode*)pNode, pVal); } else if (QUERY_NODE_VALUE == nodeType(pNode)) { return (DEAL_RES_ERROR == translateValueImpl(pCxt, (SValueNode*)pNode, schemaToDataType(pSchema)) ? pCxt->errCode : TSDB_CODE_SUCCESS); } else { return TSDB_CODE_FAILED; } } static int32_t buildKVRowForBindTags(STranslateContext* pCxt, SCreateSubTableClause* pStmt, STableMeta* pSuperTableMeta, SKVRowBuilder* pBuilder) { 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); } SSchema* pTagSchema = getTableTagSchema(pSuperTableMeta); SNode * pTag, *pNode; FORBOTH(pTag, pStmt->pSpecificTags, pNode, pStmt->pValsOfTags) { SColumnNode* pCol = (SColumnNode*)pTag; SSchema* pSchema = NULL; for (int32_t i = 0; i < numOfTags; ++i) { if (0 == strcmp(pCol->colName, pTagSchema[i].name)) { pSchema = pTagSchema + i; break; } } if (NULL == pSchema) { return generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_INVALID_TAG_NAME, pCol->colName); } SValueNode* pVal = NULL; int32_t code = translateTagVal(pCxt, pSchema, pNode, &pVal); if (TSDB_CODE_SUCCESS == code) { if (NULL == pVal) { pVal = (SValueNode*)pNode; } else { REPLACE_LIST2_NODE(pVal); } } if (TSDB_CODE_SUCCESS == code) { code = addValToKVRow(pCxt, pVal, pSchema, pBuilder); } if (TSDB_CODE_SUCCESS != code) { return code; } } return TSDB_CODE_SUCCESS; } static int32_t buildKVRowForAllTags(STranslateContext* pCxt, SCreateSubTableClause* pStmt, STableMeta* pSuperTableMeta, SKVRowBuilder* pBuilder) { if (getNumOfTags(pSuperTableMeta) != LIST_LENGTH(pStmt->pValsOfTags)) { return generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_TAGS_NOT_MATCHED); } SSchema* pTagSchema = getTableTagSchema(pSuperTableMeta); SNode* pNode; int32_t index = 0; FOREACH(pNode, pStmt->pValsOfTags) { SValueNode* pVal = NULL; int32_t code = translateTagVal(pCxt, pTagSchema + index, pNode, &pVal); if (TSDB_CODE_SUCCESS == code) { if (NULL == pVal) { pVal = (SValueNode*)pNode; } else { REPLACE_NODE(pVal); } } if (TSDB_CODE_SUCCESS == code) { code = addValToKVRow(pCxt, pVal, pTagSchema + index++, pBuilder); } if (TSDB_CODE_SUCCESS != code) { return code; } } return TSDB_CODE_SUCCESS; } static int32_t checkCreateSubTable(STranslateContext* pCxt, SCreateSubTableClause* pStmt) { if (0 != strcmp(pStmt->dbName, pStmt->useDbName)) { return generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_CORRESPONDING_STABLE_ERR); } return TSDB_CODE_SUCCESS; } static int32_t rewriteCreateSubTable(STranslateContext* pCxt, SCreateSubTableClause* pStmt, SHashObj* pVgroupHashmap) { int32_t code = checkCreateSubTable(pCxt, pStmt); STableMeta* pSuperTableMeta = NULL; if (TSDB_CODE_SUCCESS == code) { code = getTableMeta(pCxt, pStmt->useDbName, pStmt->useTableName, &pSuperTableMeta); } SKVRowBuilder kvRowBuilder = {0}; if (TSDB_CODE_SUCCESS == code) { code = tdInitKVRowBuilder(&kvRowBuilder); } if (TSDB_CODE_SUCCESS == code) { if (NULL != pStmt->pSpecificTags) { code = buildKVRowForBindTags(pCxt, pStmt, pSuperTableMeta, &kvRowBuilder); } else { code = buildKVRowForAllTags(pCxt, pStmt, pSuperTableMeta, &kvRowBuilder); } } SKVRow row = NULL; if (TSDB_CODE_SUCCESS == code) { row = tdGetKVRowFromBuilder(&kvRowBuilder); if (NULL == row) { code = TSDB_CODE_OUT_OF_MEMORY; } else { tdSortKVRowByColIdx(row); } } SVgroupInfo info = {0}; if (TSDB_CODE_SUCCESS == code) { code = getTableHashVgroup(pCxt, pStmt->dbName, pStmt->tableName, &info); } if (TSDB_CODE_SUCCESS == code) { addCreateTbReqIntoVgroup(pCxt->pParseCxt->acctId, pVgroupHashmap, pStmt, row, pSuperTableMeta->uid, &info); } taosMemoryFreeClear(pSuperTableMeta); tdDestroyKVRowBuilder(&kvRowBuilder); return code; } static SArray* serializeVgroupsCreateTableBatch(int32_t acctId, SHashObj* pVgroupHashmap) { SArray* pBufArray = taosArrayInit(taosHashGetSize(pVgroupHashmap), sizeof(void*)); if (NULL == pBufArray) { return NULL; } int32_t code = TSDB_CODE_SUCCESS; SVgroupCreateTableBatch* pTbBatch = NULL; do { pTbBatch = taosHashIterate(pVgroupHashmap, pTbBatch); if (pTbBatch == NULL) { break; } serializeVgroupCreateTableBatch(pTbBatch, pBufArray); destroyCreateTbReqBatch(pTbBatch); } while (true); return pBufArray; } static int32_t rewriteCreateMultiTable(STranslateContext* pCxt, SQuery* pQuery) { SCreateMultiTableStmt* pStmt = (SCreateMultiTableStmt*)pQuery->pRoot; SHashObj* pVgroupHashmap = taosHashInit(4, taosGetDefaultHashFunction(TSDB_DATA_TYPE_INT), false, HASH_NO_LOCK); if (NULL == pVgroupHashmap) { return TSDB_CODE_OUT_OF_MEMORY; } int32_t code = TSDB_CODE_SUCCESS; SNode* pNode; FOREACH(pNode, pStmt->pSubTables) { code = rewriteCreateSubTable(pCxt, (SCreateSubTableClause*)pNode, pVgroupHashmap); if (TSDB_CODE_SUCCESS != code) { taosHashCleanup(pVgroupHashmap); return code; } } SArray* pBufArray = serializeVgroupsCreateTableBatch(pCxt->pParseCxt->acctId, pVgroupHashmap); taosHashCleanup(pVgroupHashmap); if (NULL == pBufArray) { return TSDB_CODE_OUT_OF_MEMORY; } return rewriteToVnodeModifyOpStmt(pQuery, pBufArray); } typedef struct SVgroupDropTableBatch { SVDropTbBatchReq req; SVgroupInfo info; char dbName[TSDB_DB_NAME_LEN]; } SVgroupDropTableBatch; static void addDropTbReqIntoVgroup(SHashObj* pVgroupHashmap, SDropTableClause* pClause, SVgroupInfo* pVgInfo) { SVDropTbReq req = {.name = pClause->tableName, .igNotExists = pClause->ignoreNotExists}; 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); } } static int32_t buildDropTableVgroupHashmap(STranslateContext* pCxt, SDropTableClause* pClause, bool* pIsSuperTable, SHashObj* pVgroupHashmap) { STableMeta* pTableMeta = NULL; int32_t code = getTableMeta(pCxt, pClause->dbName, pClause->tableName, &pTableMeta); if (TSDB_CODE_SUCCESS == code && TSDB_SUPER_TABLE == pTableMeta->tableType) { *pIsSuperTable = true; goto over; } if (TSDB_CODE_PAR_TABLE_NOT_EXIST == code && pClause->ignoreNotExists) { code = TSDB_CODE_SUCCESS; } *pIsSuperTable = false; SVgroupInfo info = {0}; if (TSDB_CODE_SUCCESS == code) { code = getTableHashVgroup(pCxt, pClause->dbName, pClause->tableName, &info); } if (TSDB_CODE_SUCCESS == code) { addDropTbReqIntoVgroup(pVgroupHashmap, pClause, &info); } over: taosMemoryFreeClear(pTableMeta); return code; } static void destroyDropTbReqBatch(SVgroupDropTableBatch* pTbBatch) { taosArrayDestroy(pTbBatch->req.pArray); } static int32_t serializeVgroupDropTableBatch(SVgroupDropTableBatch* pTbBatch, SArray* pBufArray) { 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; } static SArray* serializeVgroupsDropTableBatch(int32_t acctId, SHashObj* pVgroupHashmap) { SArray* pBufArray = taosArrayInit(taosHashGetSize(pVgroupHashmap), sizeof(void*)); if (NULL == pBufArray) { return NULL; } int32_t code = TSDB_CODE_SUCCESS; SVgroupDropTableBatch* pTbBatch = NULL; do { pTbBatch = taosHashIterate(pVgroupHashmap, pTbBatch); if (pTbBatch == NULL) { break; } serializeVgroupDropTableBatch(pTbBatch, pBufArray); destroyDropTbReqBatch(pTbBatch); } while (true); return pBufArray; } static int32_t rewriteDropTable(STranslateContext* pCxt, SQuery* pQuery) { 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; } 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); } } if (isSuperTable) { taosHashCleanup(pVgroupHashmap); return TSDB_CODE_SUCCESS; } SArray* pBufArray = serializeVgroupsDropTableBatch(pCxt->pParseCxt->acctId, pVgroupHashmap); taosHashCleanup(pVgroupHashmap); if (NULL == pBufArray) { return TSDB_CODE_OUT_OF_MEMORY; } return rewriteToVnodeModifyOpStmt(pQuery, pBufArray); } static SSchema* getColSchema(STableMeta* pTableMeta, const char* pTagName) { int32_t numOfFields = getNumOfTags(pTableMeta) + getNumOfColumns(pTableMeta); for (int32_t i = 0; i < numOfFields; ++i) { SSchema* pTagSchema = pTableMeta->schema + i; if (0 == strcmp(pTagName, pTagSchema->name)) { return pTagSchema; } } return NULL; } static int32_t buildUpdateTagValReq(STranslateContext* pCxt, SAlterTableStmt* pStmt, STableMeta* pTableMeta, SVAlterTbReq* pReq) { SSchema* pSchema = getColSchema(pTableMeta, pStmt->colName); if (NULL == pSchema) { return generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_INVALID_ALTER_TABLE); } pReq->tagName = strdup(pStmt->colName); if (NULL == pReq->tagName) { return TSDB_CODE_OUT_OF_MEMORY; } if (DEAL_RES_ERROR == translateValueImpl(pCxt, pStmt->pVal, schemaToDataType(pSchema))) { return pCxt->errCode; } pReq->isNull = (TSDB_DATA_TYPE_NULL == pStmt->pVal->node.resType.type); pReq->nTagVal = pStmt->pVal->node.resType.bytes; char* pVal = nodesGetValueFromNode(pStmt->pVal); pReq->pTagVal = IS_VAR_DATA_TYPE(pStmt->pVal->node.resType.type) ? pVal + VARSTR_HEADER_SIZE : pVal; return TSDB_CODE_SUCCESS; } static int32_t buildAddColReq(STranslateContext* pCxt, SAlterTableStmt* pStmt, STableMeta* pTableMeta, SVAlterTbReq* pReq) { if (NULL != getColSchema(pTableMeta, pStmt->colName)) { return generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_DUPLICATED_COLUMN); } pReq->colName = strdup(pStmt->colName); if (NULL == pReq->colName) { return TSDB_CODE_OUT_OF_MEMORY; } pReq->type = pStmt->dataType.type; pReq->flags = COL_SMA_ON; pReq->bytes = pStmt->dataType.bytes; return TSDB_CODE_SUCCESS; } static int32_t buildDropColReq(STranslateContext* pCxt, SAlterTableStmt* pStmt, STableMeta* pTableMeta, SVAlterTbReq* pReq) { SSchema* pSchema = getColSchema(pTableMeta, pStmt->colName); 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); } pReq->colName = strdup(pStmt->colName); if (NULL == pReq->colName) { return TSDB_CODE_OUT_OF_MEMORY; } return TSDB_CODE_SUCCESS; } static int32_t buildUpdateColReq(STranslateContext* pCxt, SAlterTableStmt* pStmt, STableMeta* pTableMeta, SVAlterTbReq* pReq) { pReq->colModBytes = calcTypeBytes(pStmt->dataType); SSchema* pSchema = getColSchema(pTableMeta, pStmt->colName); if (NULL == pSchema) { return generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_INVALID_COLUMN, pStmt->colName); } else if (!IS_VAR_DATA_TYPE(pSchema->type) || pSchema->bytes >= pReq->colModBytes) { return generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_INVALID_MODIFY_COL); } pReq->colName = strdup(pStmt->colName); if (NULL == pReq->colName) { return TSDB_CODE_OUT_OF_MEMORY; } return TSDB_CODE_SUCCESS; } static int32_t buildRenameColReq(STranslateContext* pCxt, SAlterTableStmt* pStmt, STableMeta* pTableMeta, 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); } pReq->colName = strdup(pStmt->colName); pReq->colNewName = strdup(pStmt->newColName); if (NULL == pReq->colName || NULL == pReq->colNewName) { return TSDB_CODE_OUT_OF_MEMORY; } return TSDB_CODE_SUCCESS; } static int32_t buildUpdateOptionsReq(STranslateContext* pCxt, SAlterTableStmt* pStmt, SVAlterTbReq* pReq) { int32_t code = TSDB_CODE_SUCCESS; if (-1 != pStmt->pOptions->ttl) { code = checkRangeOption(pCxt, "ttl", pStmt->pOptions->ttl, TSDB_MIN_TABLE_TTL, INT32_MAX); if (TSDB_CODE_SUCCESS == code) { pReq->updateTTL = true; pReq->newTTL = pStmt->pOptions->ttl; } } if (TSDB_CODE_SUCCESS == code && '\0' != pStmt->pOptions->comment[0]) { pReq->updateComment = true; pReq->newComment = strdup(pStmt->pOptions->comment); if (NULL == pReq->newComment) { code = TSDB_CODE_OUT_OF_MEMORY; } } return code; } static int32_t buildAlterTbReq(STranslateContext* pCxt, SAlterTableStmt* pStmt, STableMeta* pTableMeta, SVAlterTbReq* pReq) { pReq->tbName = strdup(pStmt->tableName); 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: return buildRenameColReq(pCxt, pStmt, pTableMeta, pReq); default: break; } return TSDB_CODE_FAILED; } static int32_t serializeAlterTbReq(STranslateContext* pCxt, SAlterTableStmt* pStmt, SVAlterTbReq* pReq, 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; } static int32_t buildModifyVnodeArray(STranslateContext* pCxt, SAlterTableStmt* pStmt, SVAlterTbReq* pReq, SArray** pArray) { SArray* pTmpArray = taosArrayInit(1, sizeof(void*)); if (NULL == pTmpArray) { return TSDB_CODE_OUT_OF_MEMORY; } int32_t code = serializeAlterTbReq(pCxt, pStmt, pReq, pTmpArray); if (TSDB_CODE_SUCCESS == code) { *pArray = pTmpArray; } else { taosArrayDestroy(pTmpArray); } return code; } static int32_t rewriteAlterTable(STranslateContext* pCxt, SQuery* pQuery) { SAlterTableStmt* pStmt = (SAlterTableStmt*)pQuery->pRoot; STableMeta* pTableMeta = NULL; int32_t code = getTableMeta(pCxt, pStmt->dbName, pStmt->tableName, &pTableMeta); if (TSDB_CODE_SUCCESS != code) { return code; } 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); } SVAlterTbReq req = {0}; code = buildAlterTbReq(pCxt, pStmt, pTableMeta, &req); SArray* pArray = NULL; if (TSDB_CODE_SUCCESS == code) { code = buildModifyVnodeArray(pCxt, pStmt, &req, &pArray); } if (TSDB_CODE_SUCCESS == code) { code = rewriteToVnodeModifyOpStmt(pQuery, pArray); } return code; } static int32_t rewriteQuery(STranslateContext* pCxt, SQuery* pQuery) { int32_t code = TSDB_CODE_SUCCESS; switch (nodeType(pQuery->pRoot)) { case QUERY_NODE_SHOW_LICENCE_STMT: 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_VGROUPS_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: code = rewriteShow(pCxt, pQuery); break; case QUERY_NODE_CREATE_TABLE_STMT: if (NULL == ((SCreateTableStmt*)pQuery->pRoot)->pTags) { code = rewriteCreateTable(pCxt, pQuery); } break; case QUERY_NODE_CREATE_MULTI_TABLE_STMT: 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; default: break; } return code; } static int32_t setQuery(STranslateContext* pCxt, SQuery* pQuery) { switch (nodeType(pQuery->pRoot)) { case QUERY_NODE_SELECT_STMT: case QUERY_NODE_SET_OPERATOR: case QUERY_NODE_EXPLAIN_STMT: pQuery->execMode = QUERY_EXEC_MODE_SCHEDULE; pQuery->haveResultSet = true; pQuery->msgType = TDMT_VND_QUERY; break; case QUERY_NODE_VNODE_MODIF_STMT: pQuery->execMode = QUERY_EXEC_MODE_SCHEDULE; pQuery->msgType = TDMT_VND_CREATE_TABLE; break; case QUERY_NODE_DESCRIBE_STMT: pQuery->execMode = QUERY_EXEC_MODE_LOCAL; pQuery->haveResultSet = true; break; case QUERY_NODE_RESET_QUERY_CACHE_STMT: pQuery->execMode = QUERY_EXEC_MODE_LOCAL; break; default: pQuery->execMode = QUERY_EXEC_MODE_RPC; if (NULL != pCxt->pCmdMsg) { TSWAP(pQuery->pCmdMsg, pCxt->pCmdMsg); pQuery->msgType = pQuery->pCmdMsg->msgType; } break; } if (pQuery->haveResultSet) { 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); } } if (NULL != pCxt->pDbs) { 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) { 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); } } return TSDB_CODE_SUCCESS; } int32_t translate(SParseContext* pParseCxt, SQuery* pQuery) { STranslateContext cxt = {0}; int32_t code = initTranslateContext(pParseCxt, &cxt); if (TSDB_CODE_SUCCESS == code) { code = fmFuncMgtInit(); } 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); } destroyTranslateContext(&cxt); return code; }