diff --git a/include/libs/nodes/querynodes.h b/include/libs/nodes/querynodes.h
index c0e2ec91e0610ba53512aa1a27f8840a881ded15..d07f29c487b707452929c98580903983362fcae8 100644
--- a/include/libs/nodes/querynodes.h
+++ b/include/libs/nodes/querynodes.h
@@ -232,9 +232,9 @@ typedef struct SSelectStmt {
   char        stmtName[TSDB_TABLE_NAME_LEN];
   uint8_t     precision;
   bool        isEmptyResult;
+  bool        isTimeOrderQuery;
   bool        hasAggFuncs;
   bool        hasRepeatScanFuncs;
-  bool        isTimeOrderQuery;
 } SSelectStmt;
 
 typedef enum ESetOperatorType { SET_OP_TYPE_UNION_ALL = 1, SET_OP_TYPE_UNION } ESetOperatorType;
diff --git a/include/util/taoserror.h b/include/util/taoserror.h
index 52b2f0c67033779adac885daa66d58872549ffb3..51dc14111c95886fc443937733dd8e1729ff8618 100644
--- a/include/util/taoserror.h
+++ b/include/util/taoserror.h
@@ -634,6 +634,7 @@ int32_t* taosGetErrno();
 #define TSDB_CODE_PAR_INVALID_TAGS_NUM          TAOS_DEF_ERROR_CODE(0, 0x2643)
 #define TSDB_CODE_PAR_PERMISSION_DENIED         TAOS_DEF_ERROR_CODE(0, 0x2644)
 #define TSDB_CODE_PAR_INVALID_STREAM_QUERY      TAOS_DEF_ERROR_CODE(0, 0x2645)
+#define TSDB_CODE_PAR_INVALID_INTERNAL_PK       TAOS_DEF_ERROR_CODE(0, 0x2646)
 
 //planner
 #define TSDB_CODE_PLAN_INTERNAL_ERROR           TAOS_DEF_ERROR_CODE(0, 0x2700)
diff --git a/source/libs/parser/inc/parUtil.h b/source/libs/parser/inc/parUtil.h
index c146d42e052344f297fe55adb505aab39c230d90..f82d29d27eeb2f8b80baf56ff7c065025abcc3b5 100644
--- a/source/libs/parser/inc/parUtil.h
+++ b/source/libs/parser/inc/parUtil.h
@@ -46,6 +46,7 @@ SSchema*      getTableTagSchema(const STableMeta* pTableMeta);
 int32_t       getNumOfColumns(const STableMeta* pTableMeta);
 int32_t       getNumOfTags(const STableMeta* pTableMeta);
 STableComInfo getTableInfo(const STableMeta* pTableMeta);
+STableMeta*   tableMetaDup(const STableMeta* pTableMeta);
 int           parseJsontoTagData(const char* json, SKVRowBuilder* kvRowBuilder, SMsgBuf* errMsg, int16_t startColId);
 
 int32_t trimString(const char* src, int32_t len, char* dst, int32_t dlen);
diff --git a/source/libs/parser/src/parAstCreater.c b/source/libs/parser/src/parAstCreater.c
index b7a14a81c64c630bdb714b8ac7c78768f4b0ed2b..74a023f0cd5f4248e6547dc8ad29c828f6573e72 100644
--- a/source/libs/parser/src/parAstCreater.c
+++ b/source/libs/parser/src/parAstCreater.c
@@ -78,7 +78,7 @@ static bool checkUserName(SAstCreateContext* pCxt, SToken* pUserName) {
 static bool checkPassword(SAstCreateContext* pCxt, const SToken* pPasswordToken, char* pPassword) {
   if (NULL == pPasswordToken) {
     pCxt->errCode = TSDB_CODE_PAR_SYNTAX_ERROR;
-  } else if (pPasswordToken->n >= (TSDB_USET_PASSWORD_LEN - 2)) {
+  } else if (pPasswordToken->n >= (TSDB_USET_PASSWORD_LEN + 2)) {
     pCxt->errCode = generateSyntaxErrMsg(&pCxt->msgBuf, TSDB_CODE_PAR_NAME_OR_PASSWD_TOO_LONG);
   } else {
     strncpy(pPassword, pPasswordToken->z, pPasswordToken->n);
diff --git a/source/libs/parser/src/parInsert.c b/source/libs/parser/src/parInsert.c
index 3d069257c9db2be51e8d9e12eb14c5f2177f52c5..dfc56eff3912c6ea3a6ceb7d9b271d4810c747f5 100644
--- a/source/libs/parser/src/parInsert.c
+++ b/source/libs/parser/src/parInsert.c
@@ -237,7 +237,7 @@ static int32_t createSName(SName* pName, SToken* pTableName, int32_t acctId, con
   return code;
 }
 
-static int32_t getTableMetaImpl(SInsertParseContext* pCxt, SName* name, char *dbFname, bool isStb) {
+static int32_t getTableMetaImpl(SInsertParseContext* pCxt, SName* name, char* dbFname, bool isStb) {
   SParseContext* pBasicCtx = pCxt->pComCxt;
 
   bool pass = false;
@@ -252,6 +252,7 @@ static int32_t getTableMetaImpl(SInsertParseContext* pCxt, SName* name, char *db
   } else {
     CHECK_CODE(catalogGetTableMeta(pBasicCtx->pCatalog, pBasicCtx->pTransporter, &pBasicCtx->mgmtEpSet, name,
                                    &pCxt->pTableMeta));
+    ASSERT(pCxt->pTableMeta->tableInfo.rowSize > 0);
     SVgroupInfo vg;
     CHECK_CODE(
         catalogGetTableHashVgroup(pBasicCtx->pCatalog, pBasicCtx->pTransporter, &pBasicCtx->mgmtEpSet, name, &vg));
@@ -260,9 +261,13 @@ static int32_t getTableMetaImpl(SInsertParseContext* pCxt, SName* name, char *db
   return TSDB_CODE_SUCCESS;
 }
 
-static int32_t getTableMeta(SInsertParseContext* pCxt, SName* name, char *dbFname) { return getTableMetaImpl(pCxt, name, dbFname, false); }
+static int32_t getTableMeta(SInsertParseContext* pCxt, SName* name, char* dbFname) {
+  return getTableMetaImpl(pCxt, name, dbFname, false);
+}
 
-static int32_t getSTableMeta(SInsertParseContext* pCxt, SName* name, char *dbFname) { return getTableMetaImpl(pCxt, name, dbFname, true); }
+static int32_t getSTableMeta(SInsertParseContext* pCxt, SName* name, char* dbFname) {
+  return getTableMetaImpl(pCxt, name, dbFname, true);
+}
 
 static int32_t findCol(SToken* pColname, int32_t start, int32_t end, SSchema* pSchema) {
   while (start < end) {
@@ -863,7 +868,7 @@ static int32_t parseUsingClause(SInsertParseContext* pCxt, SName* name, char* tb
   createSName(&sname, &sToken, pCxt->pComCxt->acctId, pCxt->pComCxt->db, &pCxt->msg);
   char stbFName[TSDB_TABLE_FNAME_LEN];
   tNameExtractFullName(&sname, stbFName);
-  
+
   CHECK_CODE(getSTableMeta(pCxt, &sname, stbFName));
   if (TSDB_SUPER_TABLE != pCxt->pTableMeta->tableType) {
     return buildInvalidOperationMsg(&pCxt->msg, "create table only from super table is allowed");
@@ -1063,8 +1068,8 @@ static void destroyInsertParseContext(SInsertParseContext* pCxt) {
 //   [...];
 static int32_t parseInsertBody(SInsertParseContext* pCxt) {
   int32_t tbNum = 0;
-  char tbFName[TSDB_TABLE_FNAME_LEN];
-  bool autoCreateTbl = false;
+  char    tbFName[TSDB_TABLE_FNAME_LEN];
+  bool    autoCreateTbl = false;
 
   // for each table
   while (1) {
@@ -1158,7 +1163,8 @@ static int32_t parseInsertBody(SInsertParseContext* pCxt) {
       return TSDB_CODE_TSC_OUT_OF_MEMORY;
     }
     memcpy(tags, &pCxt->tags, sizeof(pCxt->tags));
-    (*pCxt->pStmtCb->setInfoFn)(pCxt->pStmtCb->pStmt, pCxt->pTableMeta, tags, tbFName, autoCreateTbl, pCxt->pVgroupsHashObj, pCxt->pTableBlockHashObj);
+    (*pCxt->pStmtCb->setInfoFn)(pCxt->pStmtCb->pStmt, pCxt->pTableMeta, tags, tbFName, autoCreateTbl,
+                                pCxt->pVgroupsHashObj, pCxt->pTableBlockHashObj);
 
     memset(&pCxt->tags, 0, sizeof(pCxt->tags));
     pCxt->pVgroupsHashObj = NULL;
@@ -1479,7 +1485,6 @@ int32_t qBindStmtSingleColValue(void* pBlock, TAOS_MULTI_BIND* bind, char* msgBu
       taosMemoryFree(pSTSchema);
     }
 #endif
-
   }
 
   if (rowEnd) {
@@ -1677,10 +1682,10 @@ int32_t smlBindData(void* handle, SArray* tags, SArray* colsFormat, SArray* cols
   buildCreateTbReq(&smlHandle->createTblReq, tableName, row, pTableMeta->suid);
 
   STableDataBlocks* pDataBlock = NULL;
-  ret = getDataBlockFromList(smlHandle->pBlockHash, &pTableMeta->uid, sizeof(pTableMeta->uid), TSDB_DEFAULT_PAYLOAD_SIZE,
-                                  sizeof(SSubmitBlk), getTableInfo(pTableMeta).rowSize, pTableMeta,
-                                  &pDataBlock, NULL, &smlHandle->createTblReq);
-  if(ret != TSDB_CODE_SUCCESS){
+  ret = getDataBlockFromList(smlHandle->pBlockHash, &pTableMeta->uid, sizeof(pTableMeta->uid),
+                             TSDB_DEFAULT_PAYLOAD_SIZE, sizeof(SSubmitBlk), getTableInfo(pTableMeta).rowSize,
+                             pTableMeta, &pDataBlock, NULL, &smlHandle->createTblReq);
+  if (ret != TSDB_CODE_SUCCESS) {
     buildInvalidOperationMsg(&pBuf, "create data block error");
     return ret;
   }
diff --git a/source/libs/parser/src/parInsertData.c b/source/libs/parser/src/parInsertData.c
index 8deaad6091953d4dbf24d03ed91fb3787e14c18b..677dbca0e95a67c0b6cb29e402964b2a20291c98 100644
--- a/source/libs/parser/src/parInsertData.c
+++ b/source/libs/parser/src/parInsertData.c
@@ -137,7 +137,7 @@ static int32_t createDataBlock(size_t defaultSize, int32_t rowSize, int32_t star
   }
   memset(dataBuf->pData, 0, sizeof(SSubmitBlk));
 
-  dataBuf->pTableMeta = pTableMeta;
+  dataBuf->pTableMeta = tableMetaDup(pTableMeta);
 
   SParsedDataColInfo* pColInfo = &dataBuf->boundColumnInfo;
   SSchema*            pSchema = getTableColumnSchema(dataBuf->pTableMeta);
@@ -465,7 +465,7 @@ int32_t mergeTableDataBlocks(SHashObj* pHashObj, uint8_t payloadType, SArray** p
         taosMemoryFreeClear(blkKeyInfo.pKeyTuple);
         return ret;
       }
-
+      ASSERT(pOneTableBlock->pTableMeta->tableInfo.rowSize > 0);
       // the maximum expanded size in byte when a row-wise data is converted to SDataRow format
       int32_t expandSize = isRawPayload ? getRowExpandSize(pOneTableBlock->pTableMeta) : 0;
       int64_t destSize = dataBuf->size + pOneTableBlock->size + pBlocks->numOfRows * expandSize +
diff --git a/source/libs/parser/src/parTranslater.c b/source/libs/parser/src/parTranslater.c
index 3fed68188dd2dfa443f2a05ef94b1875fd61b6f0..c86c1ac2e97034a423d1949abd7e0a767be675e7 100644
--- a/source/libs/parser/src/parTranslater.c
+++ b/source/libs/parser/src/parTranslater.c
@@ -368,11 +368,15 @@ static int32_t createColumnsByTable(STranslateContext* pCxt, const STableNode* p
   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 (PRIMARYKEY_TIMESTAMP_COL_ID == pCol->colId && 0 == strcmp(pCol->colName, PK_TS_COL_INTERNAL_NAME)) {
+    if (isInternalPrimaryKey(pCol)) {
       setColumnInfoBySchema((SRealTableNode*)pTable, pMeta->schema, false, pCol);
       return true;
     }
@@ -389,7 +393,9 @@ static bool findAndSetColumn(SColumnNode* pCol, const STableNode* pTable) {
     SNode*     pNode;
     FOREACH(pNode, pProjectList) {
       SExprNode* pExpr = (SExprNode*)pNode;
-      if (0 == strcmp(pCol->colName, pExpr->aliasName)) {
+      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;
@@ -433,7 +439,11 @@ static EDealRes translateColumnWithoutPrefix(STranslateContext* pCxt, SColumnNod
     }
   }
   if (!found) {
-    return generateDealNodeErrMsg(pCxt, TSDB_CODE_PAR_INVALID_COLUMN, pCol->colName);
+    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;
 }
@@ -3655,6 +3665,9 @@ static int32_t buildNormalTableBatchReq(int32_t acctId, const SCreateTableStmt*
     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) {
@@ -3785,24 +3798,27 @@ static int32_t rewriteCreateTable(STranslateContext* pCxt, SQuery* pQuery) {
   return code;
 }
 
-static void addCreateTbReqIntoVgroup(int32_t acctId, SHashObj* pVgroupHashmap, const char* pDbName,
-                                     const char* pTableName, SKVRow row, uint64_t suid, SVgroupInfo* pVgInfo) {
+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, pDbName);
+  strcpy(name.dbname, pStmt->dbName);
   tNameGetFullDbName(&name, dbFName);
 
   struct SVCreateTbReq req = {0};
   req.type = TD_CHILD_TABLE;
-  req.name = strdup(pTableName);
+  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, pDbName);
+    strcpy(tBatch.dbName, pStmt->dbName);
 
     tBatch.req.pArray = taosArrayInit(4, sizeof(struct SVCreateTbReq));
     taosArrayPush(tBatch.req.pArray, &req);
@@ -3964,8 +3980,7 @@ static int32_t rewriteCreateSubTable(STranslateContext* pCxt, SCreateSubTableCla
     code = getTableHashVgroup(pCxt, pStmt->dbName, pStmt->tableName, &info);
   }
   if (TSDB_CODE_SUCCESS == code) {
-    addCreateTbReqIntoVgroup(pCxt->pParseCxt->acctId, pVgroupHashmap, pStmt->dbName, pStmt->tableName, row,
-                             pSuperTableMeta->uid, &info);
+    addCreateTbReqIntoVgroup(pCxt->pParseCxt->acctId, pVgroupHashmap, pStmt, row, pSuperTableMeta->uid, &info);
   }
 
   taosMemoryFreeClear(pSuperTableMeta);
diff --git a/source/libs/parser/src/parUtil.c b/source/libs/parser/src/parUtil.c
index 715b9b97e655bd6f02bd704cacfd88e1650729ab..43aea8de7c7dfbdc9b2652d9fb4a8073ab1c42e8 100644
--- a/source/libs/parser/src/parUtil.c
+++ b/source/libs/parser/src/parUtil.c
@@ -146,6 +146,8 @@ static char* getSyntaxErrFormat(int32_t errCode) {
       return "Invalid binary/nchar column length";
     case TSDB_CODE_PAR_INVALID_TAGS_NUM:
       return "Invalid number of tag columns";
+    case TSDB_CODE_PAR_INVALID_INTERNAL_PK:
+      return "Invalid _c0 or _rowts expression";
     case TSDB_CODE_OUT_OF_MEMORY:
       return "Out of memory";
     default:
@@ -191,7 +193,7 @@ int32_t buildSyntaxErrMsg(SMsgBuf* pBuf, const char* additionalInfo, const char*
   return TSDB_CODE_TSC_SQL_SYNTAX_ERROR;
 }
 
-SSchema *getTableColumnSchema(const STableMeta *pTableMeta) {
+SSchema* getTableColumnSchema(const STableMeta* pTableMeta) {
   assert(pTableMeta != NULL);
   return (SSchema*)pTableMeta->schema;
 }
@@ -226,6 +228,23 @@ STableComInfo getTableInfo(const STableMeta* pTableMeta) {
   return pTableMeta->tableInfo;
 }
 
+static uint32_t getTableMetaSize(const STableMeta* pTableMeta) {
+  int32_t totalCols = 0;
+  if (pTableMeta->tableInfo.numOfColumns >= 0) {
+    totalCols = pTableMeta->tableInfo.numOfColumns + pTableMeta->tableInfo.numOfTags;
+  }
+
+  return sizeof(STableMeta) + totalCols * sizeof(SSchema);
+}
+
+STableMeta* tableMetaDup(const STableMeta* pTableMeta) {
+  size_t size = getTableMetaSize(pTableMeta);
+
+  STableMeta* p = taosMemoryMalloc(size);
+  memcpy(p, pTableMeta, size);
+  return p;
+}
+
 int32_t trimString(const char* src, int32_t len, char* dst, int32_t dlen) {
   if (len <= 0 || dlen <= 0) return 0;
 
diff --git a/source/libs/planner/src/planOptimizer.c b/source/libs/planner/src/planOptimizer.c
index 30f6f03a6cd6214a131d4a56be29a77d407f7468..5ed7d9c1b54418231db1d727687942f9c117b307 100644
--- a/source/libs/planner/src/planOptimizer.c
+++ b/source/libs/planner/src/planOptimizer.c
@@ -151,20 +151,32 @@ static bool needOptimizeDynamicScan(const SFunctionNode* pFunc) {
 
 static int32_t osdGetRelatedFuncs(SScanLogicNode* pScan, SNodeList** pSdrFuncs, SNodeList** pDsoFuncs) {
   SNodeList* pAllFuncs = osdGetAllFuncs(pScan->node.pParent);
+  SNodeList* pTmpSdrFuncs = NULL;
+  SNodeList* pTmpDsoFuncs = NULL;
   SNode*     pFunc = NULL;
+  bool       otherFunc = false;
   FOREACH(pFunc, pAllFuncs) {
     int32_t code = TSDB_CODE_SUCCESS;
     if (needOptimizeDataRequire((SFunctionNode*)pFunc)) {
-      code = nodesListMakeStrictAppend(pSdrFuncs, nodesCloneNode(pFunc));
+      code = nodesListMakeStrictAppend(&pTmpSdrFuncs, nodesCloneNode(pFunc));
     } else if (needOptimizeDynamicScan((SFunctionNode*)pFunc)) {
-      code = nodesListMakeStrictAppend(pDsoFuncs, nodesCloneNode(pFunc));
+      code = nodesListMakeStrictAppend(&pTmpDsoFuncs, nodesCloneNode(pFunc));
+    } else {
+      otherFunc = true;
     }
     if (TSDB_CODE_SUCCESS != code) {
-      nodesDestroyList(*pSdrFuncs);
-      nodesDestroyList(*pDsoFuncs);
+      nodesDestroyList(pTmpSdrFuncs);
+      nodesDestroyList(pTmpDsoFuncs);
       return code;
     }
   }
+  if (otherFunc) {
+    nodesDestroyList(pTmpSdrFuncs);
+    nodesDestroyList(pTmpDsoFuncs);
+  } else {
+    *pSdrFuncs = pTmpSdrFuncs;
+    *pDsoFuncs = pTmpDsoFuncs;
+  }
   return TSDB_CODE_SUCCESS;
 }
 
diff --git a/source/libs/planner/src/planUtil.c b/source/libs/planner/src/planUtil.c
index 36625b28fb3d101a6c1ae0d5a33a5fda3bbecdb9..3c83d9f53a8669535eda1dc883af2951e9470d54 100644
--- a/source/libs/planner/src/planUtil.c
+++ b/source/libs/planner/src/planUtil.c
@@ -18,7 +18,7 @@
 static char* getUsageErrFormat(int32_t errCode) {
   switch (errCode) {
     case TSDB_CODE_PLAN_EXPECTED_TS_EQUAL:
-      return "l.ts = r.ts is expected in join expression";
+      return "left.ts = right.ts is expected in join expression";
     case TSDB_CODE_PLAN_NOT_SUPPORT_CROSS_JOIN:
       return "not support cross join";
     default:
diff --git a/source/libs/planner/test/planOptimizeTest.cpp b/source/libs/planner/test/planOptimizeTest.cpp
index 6c7b1d0a0e9bb2f757f36915af33065566b7c6d9..77f9b5846c1edbe879c21d90c978a01232c2444e 100644
--- a/source/libs/planner/test/planOptimizeTest.cpp
+++ b/source/libs/planner/test/planOptimizeTest.cpp
@@ -28,6 +28,8 @@ TEST_F(PlanOptimizeTest, optimizeScanData) {
   run("SELECT COUNT(c1) FROM t1");
 
   run("SELECT COUNT(CAST(c1 AS BIGINT)) FROM t1");
+
+  run("SELECT PERCENTILE(c1, 40), COUNT(*) FROM t1");
 }
 
 TEST_F(PlanOptimizeTest, orderByPrimaryKey) {