diff --git a/include/common/tmsg.h b/include/common/tmsg.h
index d946fe6a98..7f17c1673b 100644
--- a/include/common/tmsg.h
+++ b/include/common/tmsg.h
@@ -252,24 +252,31 @@ STSRow* tGetSubmitBlkNext(SSubmitBlkIter* pIter);
 int32_t tPrintFixedSchemaSubmitReq(const SSubmitReq* pReq, STSchema* pSchema);
 
 typedef struct {
-  int32_t index;  // index of failed block in submit blocks
-  int32_t vnode;  // vnode index of failed block
-  int32_t sid;    // table index of failed block
-  int32_t code;   // errorcode while write data to vnode, such as not created, dropped, no space, invalid table
-} SSubmitRspBlock;
+  int8_t  hashMeta;
+  int64_t uid;
+  char*   tblFName;
+  int32_t numOfRows;
+  int32_t affectedRows;
+} SSubmitBlkRsp;
 
 typedef struct {
-  int32_t         code;          // 0-success, > 0 error code
-  int32_t         numOfRows;     // number of records the client is trying to write
-  int32_t         affectedRows;  // number of records actually written
-  int32_t         failedRows;    // number of failed records (exclude duplicate records)
-  int32_t         numOfFailedBlocks;
-  SSubmitRspBlock failedBlocks[];
+  int32_t numOfRows;
+  int32_t affectedRows;
+  int32_t nBlocks;
+  union {
+    SArray*        pArray;
+    SSubmitBlkRsp* pBlocks;
+  };
 } SSubmitRsp;
 
+int32_t tEncodeSSubmitRsp(SEncoder* pEncoder, const SSubmitRsp* pRsp);
+int32_t tDecodeSSubmitRsp(SDecoder* pDecoder, SSubmitRsp* pRsp);
+void tFreeSSubmitRsp(SSubmitRsp *pRsp);
+
 #define COL_SMA_ON  ((int8_t)0x1)
 #define COL_IDX_ON  ((int8_t)0x2)
 #define COL_VAL_SET ((int8_t)0x4)
+
 typedef struct SSchema {
   int8_t   type;
   int8_t   flags;
@@ -476,6 +483,7 @@ typedef struct {
   int32_t  acctId;
   int64_t  clusterId;
   uint32_t connId;
+  int32_t  dnodeNum;
   int8_t   superUser;
   int8_t   connType;
   SEpSet   epSet;
diff --git a/include/common/tvariant.h b/include/common/tvariant.h
index 83dccd0092..9728e5ecd5 100644
--- a/include/common/tvariant.h
+++ b/include/common/tvariant.h
@@ -36,12 +36,11 @@ typedef struct SVariant {
   };
 } SVariant;
 
-int32_t toInteger(const char *z, int32_t n, int32_t base, int64_t *value, bool *issigned);
+int32_t toInteger(const char *z, int32_t n, int32_t base, int64_t *value);
+int32_t toUInteger(const char *z, int32_t n, int32_t base, uint64_t *value);
 
 bool taosVariantIsValid(SVariant *pVar);
 
-void taosVariantCreate(SVariant *pVar, const char *z, int32_t n, int32_t type);
-
 void taosVariantCreateFromBinary(SVariant *pVar, const char *pz, size_t len, uint32_t type);
 
 void taosVariantDestroy(SVariant *pV);
@@ -59,10 +58,10 @@ int32_t taosVariantDumpEx(SVariant *pVariant, char *payload, int16_t type, bool
 #endif
 
 int32_t taosVariantTypeSetType(SVariant *pVariant, char type);
-char * taosVariantGet(SVariant *pVar, int32_t type);
+char   *taosVariantGet(SVariant *pVar, int32_t type);
 
 #ifdef __cplusplus
 }
 #endif
 
-#endif  /*_TD_COMMON_VARIANT_H_*/
+#endif /*_TD_COMMON_VARIANT_H_*/
diff --git a/include/libs/parser/parser.h b/include/libs/parser/parser.h
index a8bcac1c42..61e4bb3723 100644
--- a/include/libs/parser/parser.h
+++ b/include/libs/parser/parser.h
@@ -26,8 +26,7 @@ extern "C" {
 typedef struct SStmtCallback {
   TAOS_STMT* pStmt;
   int32_t (*getTbNameFn)(TAOS_STMT*, char**);
-  int32_t (*setBindInfoFn)(TAOS_STMT*, STableMeta*, void*);
-  int32_t (*setExecInfoFn)(TAOS_STMT*, SHashObj*, SHashObj*);
+  int32_t (*setInfoFn)(TAOS_STMT*, STableMeta*, void*, char*, bool, SHashObj*, SHashObj*);
   int32_t (*getExecInfoFn)(TAOS_STMT*, SHashObj**, SHashObj**);
 } SStmtCallback;
 
@@ -59,8 +58,9 @@ int32_t qBuildStmtOutput(SQuery* pQuery, SHashObj* pVgHash, SHashObj* pBlockHash
 int32_t qResetStmtDataBlock(void* block, bool keepBuf);
 int32_t qCloneStmtDataBlock(void** pDst, void* pSrc);
 void    qFreeStmtDataBlock(void* pDataBlock);
-int32_t qRebuildStmtDataBlock(void** pDst, void* pSrc);
+int32_t qRebuildStmtDataBlock(void** pDst, void* pSrc, uint64_t uid, int32_t vgId);
 void    qDestroyStmtDataBlock(void* pBlock);
+STableMeta *qGetTableMetaInDataBlock(void* pDataBlock);
 
 int32_t qBindStmtColsValue(void* pBlock, TAOS_MULTI_BIND* bind, char* msgBuf, int32_t msgBufLen);
 int32_t qBindStmtSingleColValue(void* pBlock, TAOS_MULTI_BIND* bind, char* msgBuf, int32_t msgBufLen, int32_t colIdx,
diff --git a/include/libs/planner/planner.h b/include/libs/planner/planner.h
index 367407cae5..e250b7b2b2 100644
--- a/include/libs/planner/planner.h
+++ b/include/libs/planner/planner.h
@@ -48,7 +48,8 @@ int32_t qCreateQueryPlan(SPlanContext* pCxt, SQueryPlan** pPlan, SArray* pExecNo
 // @pSource one execution location of this group of datasource subplans
 int32_t qSetSubplanExecutionNode(SSubplan* pSubplan, int32_t groupId, SDownstreamSourceNode* pSource);
 
-int32_t qStmtBindParam(SQueryPlan* pPlan, TAOS_MULTI_BIND* pParams, int32_t colIdx, uint64_t queryId);
+int32_t qStmtBindParam(SQueryPlan* pPlan, TAOS_MULTI_BIND* pParams, int32_t colIdx, uint64_t queryId,
+                       bool* pEmptyResult);
 
 // Convert to subplan to string for the scheduler to send to the executor
 int32_t qSubPlanToString(const SSubplan* pSubplan, char** pStr, int32_t* pLen);
diff --git a/include/libs/scheduler/scheduler.h b/include/libs/scheduler/scheduler.h
index 460749243c..b3f35025d1 100644
--- a/include/libs/scheduler/scheduler.h
+++ b/include/libs/scheduler/scheduler.h
@@ -56,6 +56,7 @@ typedef struct SQueryResult {
   uint64_t        numOfRows;
   int32_t         msgSize;
   char           *msg;
+  void           *res;
 } SQueryResult;
 
 typedef struct STaskInfo {
@@ -71,7 +72,7 @@ int32_t schedulerInit(SSchedulerCfg *cfg);
  * @param nodeList  Qnode/Vnode address list, element is SQueryNodeAddr
  * @return
  */
-int32_t schedulerExecJob(void *transport, SArray *nodeList, SQueryPlan *pDag, int64_t *pJob, const char *sql, int64_t startTs, SQueryResult *pRes);
+int32_t schedulerExecJob(void *transport, SArray *nodeList, SQueryPlan *pDag, int64_t *pJob, const char *sql, int64_t startTs, bool needRes, SQueryResult *pRes);
 
 /**
  * Process the query job, generated according to the query physical plan.
diff --git a/source/client/inc/clientInt.h b/source/client/inc/clientInt.h
index 57d4031835..f9d257af98 100644
--- a/source/client/inc/clientInt.h
+++ b/source/client/inc/clientInt.h
@@ -307,9 +307,9 @@ int hbAddConnInfo(SAppHbMgr* pAppHbMgr, SClientHbKey connKey, void* key, void* v
 // --- mq
 void hbMgrInitMqHbRspHandle();
 
-SRequestObj* launchQueryImpl(SRequestObj* pRequest, SQuery* pQuery, int32_t code, bool keepQuery);
+SRequestObj* launchQueryImpl(SRequestObj* pRequest, SQuery* pQuery, int32_t code, bool keepQuery, void** res);
 int32_t      getQueryPlan(SRequestObj* pRequest, SQuery* pQuery, SArray** pNodeList);
-int32_t      scheduleQuery(SRequestObj* pRequest, SQueryPlan* pDag, SArray* pNodeList);
+int32_t      scheduleQuery(SRequestObj* pRequest, SQueryPlan* pDag, SArray* pNodeList, void** res);
 int32_t refreshMeta(STscObj* pTscObj, SRequestObj* pRequest);
 
 #ifdef __cplusplus
diff --git a/source/client/inc/clientStmt.h b/source/client/inc/clientStmt.h
index 32da75fb1e..e5efafc214 100644
--- a/source/client/inc/clientStmt.h
+++ b/source/client/inc/clientStmt.h
@@ -55,6 +55,7 @@ typedef struct SStmtQueryResInfo {
 
 typedef struct SStmtBindInfo {
   bool         needParse;
+  bool         inExecCache;
   uint64_t     tbUid;
   uint64_t     tbSuid;
   int32_t      sBindRowNum;
@@ -62,7 +63,9 @@ typedef struct SStmtBindInfo {
   int8_t       tbType;
   bool         tagsCached;
   void*        boundTags;  
-  char*        tbName;
+  char         tbName[TSDB_TABLE_FNAME_LEN];;
+  char         tbFName[TSDB_TABLE_FNAME_LEN];
+  char         stbFName[TSDB_TABLE_FNAME_LEN];
   SName        sname;
 } SStmtBindInfo;
 
@@ -71,12 +74,12 @@ typedef struct SStmtExecInfo {
   SRequestObj* pRequest;
   SHashObj*    pVgHash;
   SHashObj*    pBlockHash;
+  bool         autoCreateTbl;
 } SStmtExecInfo;
 
 typedef struct SStmtSQLInfo {
   STMT_TYPE         type;
   STMT_STATUS       status;
-  bool              autoCreate;
   uint64_t          runTimes;
   SHashObj*         pTableCache;   //SHash<SStmtTableCache>
   SQuery*           pQuery;
@@ -85,6 +88,7 @@ typedef struct SStmtSQLInfo {
   SArray*           nodeList;
   SQueryPlan*       pQueryPlan;
   SStmtQueryResInfo queryRes;
+  bool              autoCreateTbl;
 } SStmtSQLInfo;
 
 typedef struct STscStmt {
diff --git a/source/client/src/clientImpl.c b/source/client/src/clientImpl.c
index 53aebe751b..cb361f09a6 100644
--- a/source/client/src/clientImpl.c
+++ b/source/client/src/clientImpl.c
@@ -286,12 +286,12 @@ void setResPrecision(SReqResultInfo* pResInfo, int32_t precision) {
   pResInfo->precision = precision;
 }
 
-int32_t scheduleQuery(SRequestObj* pRequest, SQueryPlan* pDag, SArray* pNodeList) {
+int32_t scheduleQuery(SRequestObj* pRequest, SQueryPlan* pDag, SArray* pNodeList, void** pRes) {
   void* pTransporter = pRequest->pTscObj->pAppInfo->pTransporter;
 
   SQueryResult res = {.code = 0, .numOfRows = 0, .msgSize = ERROR_MSG_BUF_DEFAULT_SIZE, .msg = pRequest->msgBuf};
   int32_t      code = schedulerExecJob(pTransporter, pNodeList, pDag, &pRequest->body.queryJob, pRequest->sqlstr,
-                                       pRequest->metric.start, &res);
+                                       pRequest->metric.start, NULL != pRes, &res);
   if (code != TSDB_CODE_SUCCESS) {
     if (pRequest->body.queryJob != 0) {
       schedulerFreeJob(pRequest->body.queryJob);
@@ -310,6 +310,10 @@ int32_t scheduleQuery(SRequestObj* pRequest, SQueryPlan* pDag, SArray* pNodeList
     }
   }
 
+  if (pRes) {
+    *pRes = res.res;
+  }
+
   pRequest->code = res.code;
   terrno = res.code;
   return pRequest->code;
@@ -320,7 +324,7 @@ int32_t getQueryPlan(SRequestObj* pRequest, SQuery* pQuery, SArray** pNodeList)
   return getPlan(pRequest, pQuery, &pRequest->body.pDag, *pNodeList);
 }
 
-SRequestObj* launchQueryImpl(SRequestObj* pRequest, SQuery* pQuery, int32_t code, bool keepQuery) {
+SRequestObj* launchQueryImpl(SRequestObj* pRequest, SQuery* pQuery, int32_t code, bool keepQuery, void** res) {
   if (TSDB_CODE_SUCCESS == code) {
     switch (pQuery->execMode) {
       case QUERY_EXEC_MODE_LOCAL:
@@ -333,7 +337,7 @@ SRequestObj* launchQueryImpl(SRequestObj* pRequest, SQuery* pQuery, int32_t code
         SArray* pNodeList = taosArrayInit(4, sizeof(struct SQueryNodeAddr));
         code = getPlan(pRequest, pQuery, &pRequest->body.pDag, pNodeList);
         if (TSDB_CODE_SUCCESS == code) {
-          code = scheduleQuery(pRequest, pRequest->body.pDag, pNodeList);
+          code = scheduleQuery(pRequest, pRequest->body.pDag, pNodeList, res);
         }
         taosArrayDestroy(pNodeList);
         break;
@@ -373,7 +377,7 @@ SRequestObj* launchQuery(STscObj* pTscObj, const char* sql, int sqlLen) {
     return pRequest;
   }
 
-  return launchQueryImpl(pRequest, pQuery, code, false);
+  return launchQueryImpl(pRequest, pQuery, code, false, NULL);
 }
 
 int32_t refreshMeta(STscObj* pTscObj, SRequestObj* pRequest) {
diff --git a/source/client/src/clientMsgHandler.c b/source/client/src/clientMsgHandler.c
index 8096ce395a..11c6971e3d 100644
--- a/source/client/src/clientMsgHandler.c
+++ b/source/client/src/clientMsgHandler.c
@@ -58,7 +58,7 @@ int32_t processConnectRsp(void* param, const SDataBuf* pMsg, int32_t code) {
     return code;
   }
 
-  if (!isEpsetEqual(&pTscObj->pAppInfo->mgmtEp.epSet, &connectRsp.epSet)) {
+  if (connectRsp.dnodeNum > 1 && !isEpsetEqual(&pTscObj->pAppInfo->mgmtEp.epSet, &connectRsp.epSet)) {
     updateEpSet_s(&pTscObj->pAppInfo->mgmtEp, &connectRsp.epSet);
   }
 
diff --git a/source/client/src/clientSml.c b/source/client/src/clientSml.c
index c82f54f32b..9909aa63f9 100644
--- a/source/client/src/clientSml.c
+++ b/source/client/src/clientSml.c
@@ -402,7 +402,7 @@ static int32_t smlModifyDBSchemas(SSmlHandle* info) {
     code = catalogGetSTableMeta(info->pCatalog, info->taos->pAppInfo->pTransporter, &ep, &pName, &pTableMeta);
 
     if (code == TSDB_CODE_PAR_TABLE_NOT_EXIST || code == TSDB_CODE_MND_INVALID_STB) {
-      SSchemaAction schemaAction = {.action = SCHEMA_ACTION_CREATE_STABLE};
+      SSchemaAction schemaAction = { SCHEMA_ACTION_CREATE_STABLE, 0};
       memcpy(schemaAction.createSTable.sTableName, superTable, superTableLen);
       schemaAction.createSTable.tags = sTableData->tags;
       schemaAction.createSTable.fields = sTableData->cols;
@@ -1505,8 +1505,8 @@ static int32_t smlParseLine(SSmlHandle* info, const char* sql) {
 
     tinfo->sTableName = elements.measure;
     tinfo->sTableNameLen = elements.measureLen;
-    RandTableName rName = {.tags=tinfo->tags, .sTableName=tinfo->sTableName, .sTableNameLen=tinfo->sTableNameLen,
-                            .childTableName=tinfo->childTableName};
+    RandTableName rName = { tinfo->tags, tinfo->sTableName, tinfo->sTableNameLen,
+                            tinfo->childTableName, 0 };
     buildChildTableName(&rName);
     tinfo->uid = rName.uid;
 
@@ -1660,7 +1660,7 @@ static int32_t smlInsertData(SSmlHandle* info) {
   smlBuildOutput(info->exec, info->pVgHash);
   info->cost.insertRpcTime = taosGetTimestampUs();
 
-  launchQueryImpl(info->pRequest, info->pQuery, TSDB_CODE_SUCCESS, true);
+  launchQueryImpl(info->pRequest, info->pQuery, TSDB_CODE_SUCCESS, true, NULL);
 
   info->affectedRows = taos_affected_rows(info->pRequest);
   return info->pRequest->code;
diff --git a/source/client/src/clientStmt.c b/source/client/src/clientStmt.c
index c804213d89..a7e50b2044 100644
--- a/source/client/src/clientStmt.c
+++ b/source/client/src/clientStmt.c
@@ -1,12 +1,13 @@
 
 #include "clientInt.h"
 #include "clientLog.h"
-#include "clientStmt.h"
 #include "tdef.h"
 
+#include "clientStmt.h"
+
 int32_t stmtSwitchStatus(STscStmt* pStmt, STMT_STATUS newStatus) {
   int32_t code = 0;
-  
+
   switch (newStatus) {
     case STMT_PREPARE:
       break;
@@ -29,11 +30,11 @@ int32_t stmtSwitchStatus(STscStmt* pStmt, STMT_STATUS newStatus) {
       if (STMT_STATUS_EQ(INIT) || STMT_STATUS_EQ(BIND_COL)) {
         code = TSDB_CODE_TSC_STMT_API_ERROR;
       }
-/*      
-      if ((pStmt->sql.type == STMT_TYPE_MULTI_INSERT) && ()) {
-        code = TSDB_CODE_TSC_STMT_API_ERROR;
-      }
-*/
+      /*
+            if ((pStmt->sql.type == STMT_TYPE_MULTI_INSERT) && ()) {
+              code = TSDB_CODE_TSC_STMT_API_ERROR;
+            }
+      */
       break;
     case STMT_BIND_COL:
       if (STMT_STATUS_EQ(INIT) || STMT_STATUS_EQ(BIND)) {
@@ -62,13 +63,12 @@ int32_t stmtSwitchStatus(STscStmt* pStmt, STMT_STATUS newStatus) {
   return TSDB_CODE_SUCCESS;
 }
 
-
-int32_t stmtGetTbName(TAOS_STMT *stmt, char **tbName) {
+int32_t stmtGetTbName(TAOS_STMT* stmt, char** tbName) {
   STscStmt* pStmt = (STscStmt*)stmt;
 
   pStmt->sql.type = STMT_TYPE_MULTI_INSERT;
   
-  if (NULL == pStmt->bInfo.tbName) {
+  if ('\0' == pStmt->bInfo.tbName[0]) {
     tscError("no table name set");
     STMT_ERR_RET(TSDB_CODE_TSC_STMT_TBNAME_ERROR);
   }
@@ -79,10 +79,10 @@ int32_t stmtGetTbName(TAOS_STMT *stmt, char **tbName) {
 }
 
 int32_t stmtBackupQueryFields(STscStmt* pStmt) {
-  SStmtQueryResInfo *pRes = &pStmt->sql.queryRes;
+  SStmtQueryResInfo* pRes = &pStmt->sql.queryRes;
   pRes->numOfCols = pStmt->exec.pRequest->body.resInfo.numOfCols;
   pRes->precision = pStmt->exec.pRequest->body.resInfo.precision;
-  
+
   int32_t size = pRes->numOfCols * sizeof(TAOS_FIELD);
   pRes->fields = taosMemoryMalloc(size);
   pRes->userFields = taosMemoryMalloc(size);
@@ -96,9 +96,9 @@ int32_t stmtBackupQueryFields(STscStmt* pStmt) {
 }
 
 int32_t stmtRestoreQueryFields(STscStmt* pStmt) {
-  SStmtQueryResInfo *pRes = &pStmt->sql.queryRes;
-  int32_t size = pRes->numOfCols * sizeof(TAOS_FIELD);
-  
+  SStmtQueryResInfo* pRes = &pStmt->sql.queryRes;
+  int32_t            size = pRes->numOfCols * sizeof(TAOS_FIELD);
+
   pStmt->exec.pRequest->body.resInfo.numOfCols = pRes->numOfCols;
   pStmt->exec.pRequest->body.resInfo.precision = pRes->precision;
 
@@ -121,9 +121,12 @@ int32_t stmtRestoreQueryFields(STscStmt* pStmt) {
   return TSDB_CODE_SUCCESS;
 }
 
-int32_t stmtSetBindInfo(TAOS_STMT* stmt, STableMeta* pTableMeta, void* tags) {
+int32_t stmtUpdateBindInfo(TAOS_STMT* stmt, STableMeta* pTableMeta, void* tags, char* tbFName) {
   STscStmt* pStmt = (STscStmt*)stmt;
 
+  strncpy(pStmt->bInfo.tbFName, tbFName, sizeof(pStmt->bInfo.tbFName) - 1);
+  pStmt->bInfo.tbFName[sizeof(pStmt->bInfo.tbFName) - 1] = 0;
+  
   pStmt->bInfo.tbUid = pTableMeta->uid;
   pStmt->bInfo.tbSuid = pTableMeta->suid;
   pStmt->bInfo.tbType = pTableMeta->tableType;
@@ -133,15 +136,28 @@ int32_t stmtSetBindInfo(TAOS_STMT* stmt, STableMeta* pTableMeta, void* tags) {
   return TSDB_CODE_SUCCESS;
 }
 
-int32_t stmtSetExecInfo(TAOS_STMT* stmt, SHashObj* pVgHash, SHashObj* pBlockHash) {
+int32_t stmtUpdateExecInfo(TAOS_STMT* stmt, SHashObj* pVgHash, SHashObj* pBlockHash, bool autoCreateTbl) {
   STscStmt* pStmt = (STscStmt*)stmt;
 
   pStmt->exec.pVgHash = pVgHash;
   pStmt->exec.pBlockHash = pBlockHash;
+  pStmt->exec.autoCreateTbl = autoCreateTbl;
 
   return TSDB_CODE_SUCCESS;
 }
 
+int32_t stmtUpdateInfo(TAOS_STMT* stmt, STableMeta* pTableMeta, void* tags, char* tbFName, bool autoCreateTbl, SHashObj* pVgHash, SHashObj* pBlockHash) {
+  STscStmt* pStmt = (STscStmt*)stmt;
+
+  STMT_ERR_RET(stmtUpdateBindInfo(stmt, pTableMeta, tags, tbFName));
+  STMT_ERR_RET(stmtUpdateExecInfo(stmt, pVgHash, pBlockHash, autoCreateTbl));
+
+  pStmt->sql.autoCreateTbl = autoCreateTbl;
+  
+  return TSDB_CODE_SUCCESS;
+}
+
+
 int32_t stmtGetExecInfo(TAOS_STMT* stmt, SHashObj** pVgHash, SHashObj** pBlockHash) {
   STscStmt* pStmt = (STscStmt*)stmt;
 
@@ -151,34 +167,38 @@ int32_t stmtGetExecInfo(TAOS_STMT* stmt, SHashObj** pVgHash, SHashObj** pBlockHa
   return TSDB_CODE_SUCCESS;
 }
 
-int32_t stmtCacheBlock(STscStmt *pStmt) {
+int32_t stmtCacheBlock(STscStmt* pStmt) {
   if (pStmt->sql.type != STMT_TYPE_MULTI_INSERT) {
     return TSDB_CODE_SUCCESS;
   }
 
   uint64_t uid = pStmt->bInfo.tbUid; 
-  uint64_t tuid = (TSDB_CHILD_TABLE == pStmt->bInfo.tbType) ? pStmt->bInfo.tbSuid : uid;
+  uint64_t cacheUid = (TSDB_CHILD_TABLE == pStmt->bInfo.tbType) ? pStmt->bInfo.tbSuid : uid;
 
-  if (taosHashGet(pStmt->sql.pTableCache, &tuid, sizeof(tuid))) {
+  if (taosHashGet(pStmt->sql.pTableCache, &cacheUid, sizeof(cacheUid))) {
     return TSDB_CODE_SUCCESS;
   }
 
-  STableDataBlocks** pSrc = taosHashGet(pStmt->exec.pBlockHash, &uid, sizeof(uid));
+  STableDataBlocks** pSrc = taosHashGet(pStmt->exec.pBlockHash, pStmt->bInfo.tbFName, strlen(pStmt->bInfo.tbFName));
   STableDataBlocks* pDst = NULL;
   
   STMT_ERR_RET(qCloneStmtDataBlock(&pDst, *pSrc));
 
   SStmtTableCache cache = {
-    .pDataBlock = pDst,
-    .boundTags = pStmt->bInfo.boundTags,
+      .pDataBlock = pDst,
+      .boundTags = pStmt->bInfo.boundTags,
   };
 
-  if (taosHashPut(pStmt->sql.pTableCache, &tuid, sizeof(tuid), &cache, sizeof(cache))) {
+  if (taosHashPut(pStmt->sql.pTableCache, &cacheUid, sizeof(cacheUid), &cache, sizeof(cache))) {
     return TSDB_CODE_OUT_OF_MEMORY;
   }
 
-  pStmt->bInfo.boundTags = NULL;
-
+  if (pStmt->sql.autoCreateTbl) {
+    pStmt->bInfo.tagsCached = true;
+  } else {
+    pStmt->bInfo.boundTags = NULL;
+  }
+  
   return TSDB_CODE_SUCCESS;
 }
 
@@ -186,19 +206,18 @@ int32_t stmtParseSql(STscStmt* pStmt) {
   SStmtCallback stmtCb = {
     .pStmt = pStmt, 
     .getTbNameFn = stmtGetTbName, 
-    .setBindInfoFn = stmtSetBindInfo,
-    .setExecInfoFn = stmtSetExecInfo,
+    .setInfoFn = stmtUpdateInfo,
     .getExecInfoFn = stmtGetExecInfo,
   };
 
   if (NULL == pStmt->exec.pRequest) {
     STMT_ERR_RET(buildRequest(pStmt->taos, pStmt->sql.sqlStr, pStmt->sql.sqlLen, &pStmt->exec.pRequest));
   }
-  
+
   STMT_ERR_RET(parseSql(pStmt->exec.pRequest, false, &pStmt->sql.pQuery, &stmtCb));
 
   pStmt->bInfo.needParse = false;
-  
+
   switch (nodeType(pStmt->sql.pQuery->pRoot)) {
     case QUERY_NODE_VNODE_MODIF_STMT:
       if (0 == pStmt->sql.type) {
@@ -221,8 +240,10 @@ int32_t stmtCleanBindInfo(STscStmt* pStmt) {
   pStmt->bInfo.tbSuid = 0;
   pStmt->bInfo.tbType = 0;
   pStmt->bInfo.needParse = true;
+  pStmt->bInfo.inExecCache = false;
 
-  taosMemoryFreeClear(pStmt->bInfo.tbName);
+  pStmt->bInfo.tbName[0] = 0;
+  pStmt->bInfo.tbFName[0] = 0;
   if (!pStmt->bInfo.tagsCached) {
     destroyBoundColumnInfo(pStmt->bInfo.boundTags);
     taosMemoryFreeClear(pStmt->bInfo.boundTags);
@@ -237,24 +258,28 @@ int32_t stmtCleanExecInfo(STscStmt* pStmt, bool keepTable, bool freeRequest) {
     pStmt->exec.pRequest = NULL;
   }
 
+  size_t keyLen = 0;
   void *pIter = taosHashIterate(pStmt->exec.pBlockHash, NULL);
   while (pIter) {
     STableDataBlocks* pBlocks = *(STableDataBlocks**)pIter;    
-    uint64_t *key = taosHashGetKey(pIter, NULL);
+    char *key = taosHashGetKey(pIter, &keyLen);
+    STableMeta* pMeta = qGetTableMetaInDataBlock(pBlocks);
     
-    if (keepTable && (*key == pStmt->bInfo.tbUid)) {
+    if (keepTable && (strlen(pStmt->bInfo.tbFName) == keyLen) && strncmp(pStmt->bInfo.tbFName, key, keyLen) == 0) {
       STMT_ERR_RET(qResetStmtDataBlock(pBlocks, true));
-      
+
       pIter = taosHashIterate(pStmt->exec.pBlockHash, pIter);
       continue;
     }
 
     qFreeStmtDataBlock(pBlocks);
-    taosHashRemove(pStmt->exec.pBlockHash, key, sizeof(*key));
+    taosHashRemove(pStmt->exec.pBlockHash, key, keyLen);
 
     pIter = taosHashIterate(pStmt->exec.pBlockHash, pIter);
   }
 
+  pStmt->exec.autoCreateTbl = false;
+  
   if (keepTable) {
     return TSDB_CODE_SUCCESS;
   }
@@ -274,15 +299,15 @@ int32_t stmtCleanSQLInfo(STscStmt* pStmt) {
   qDestroyQuery(pStmt->sql.pQuery);
   qDestroyQueryPlan(pStmt->sql.pQueryPlan);
   taosArrayDestroy(pStmt->sql.nodeList);
-  
-  void *pIter = taosHashIterate(pStmt->sql.pTableCache, NULL);
+
+  void* pIter = taosHashIterate(pStmt->sql.pTableCache, NULL);
   while (pIter) {
-    SStmtTableCache* pCache = (SStmtTableCache*)pIter;    
+    SStmtTableCache* pCache = (SStmtTableCache*)pIter;
 
     qDestroyStmtDataBlock(pCache->pDataBlock);
     destroyBoundColumnInfo(pCache->boundTags);
     taosMemoryFreeClear(pCache->boundTags);
-    
+
     pIter = taosHashIterate(pStmt->sql.pTableCache, pIter);
   }
   taosHashCleanup(pStmt->sql.pTableCache);
@@ -296,10 +321,39 @@ int32_t stmtCleanSQLInfo(STscStmt* pStmt) {
   return TSDB_CODE_SUCCESS;
 }
 
+int32_t stmtRebuildDataBlock(STscStmt* pStmt, STableDataBlocks *pDataBlock, STableDataBlocks **newBlock, uint64_t uid) {
+  SEpSet ep = getEpSet_s(&pStmt->taos->pAppInfo->mgmtEp);
+  SVgroupInfo vgInfo = {0};
+  
+  STMT_ERR_RET(catalogGetTableHashVgroup(pStmt->pCatalog, pStmt->taos->pAppInfo->pTransporter, &ep, &pStmt->bInfo.sname, &vgInfo));
+  STMT_ERR_RET(taosHashPut(pStmt->exec.pVgHash, (const char*)&vgInfo.vgId, sizeof(vgInfo.vgId), (char*)&vgInfo, sizeof(vgInfo)));
+  
+  STMT_ERR_RET(qRebuildStmtDataBlock(newBlock, pDataBlock, uid, vgInfo.vgId));
+
+  return TSDB_CODE_SUCCESS;
+}
+
 int32_t stmtGetFromCache(STscStmt* pStmt) {
   pStmt->bInfo.needParse = true;
+  pStmt->bInfo.inExecCache = false;
+  
+  STableDataBlocks *pBlockInExec = taosHashGet(pStmt->exec.pBlockHash, pStmt->bInfo.tbFName, strlen(pStmt->bInfo.tbFName));
+  if (pBlockInExec) {
+    pStmt->bInfo.needParse = false;
+    pStmt->bInfo.inExecCache = true;
+
+    if (pStmt->sql.autoCreateTbl) {
+      return TSDB_CODE_SUCCESS;
+    }
+  }
 
   if (NULL == pStmt->sql.pTableCache || taosHashGetSize(pStmt->sql.pTableCache) <= 0) {
+    if (pStmt->bInfo.inExecCache) {
+      ASSERT(taosHashGetSize(pStmt->exec.pBlockHash) == 1);
+      pStmt->bInfo.needParse = false;
+      return TSDB_CODE_SUCCESS;
+    }
+    
     return TSDB_CODE_SUCCESS;
   }
 
@@ -307,21 +361,44 @@ int32_t stmtGetFromCache(STscStmt* pStmt) {
     STMT_ERR_RET(catalogGetHandle(pStmt->taos->pAppInfo->clusterId, &pStmt->pCatalog));
   }
 
+  if (pStmt->sql.autoCreateTbl) {
+    SStmtTableCache* pCache = taosHashGet(pStmt->sql.pTableCache, &pStmt->bInfo.tbSuid, sizeof(pStmt->bInfo.tbSuid));
+    if (pCache) {
+      pStmt->bInfo.needParse = false;
+      pStmt->exec.autoCreateTbl = true;
+
+      pStmt->bInfo.tbUid = 0;
+      
+      STableDataBlocks* pNewBlock = NULL;
+      STMT_ERR_RET(stmtRebuildDataBlock(pStmt, pCache->pDataBlock, &pNewBlock, 0));
+      
+      if (taosHashPut(pStmt->exec.pBlockHash, pStmt->bInfo.tbFName, strlen(pStmt->bInfo.tbFName), &pNewBlock, POINTER_BYTES)) {
+        STMT_ERR_RET(TSDB_CODE_OUT_OF_MEMORY);
+      }
+      
+      return TSDB_CODE_SUCCESS;
+    }
+    
+    STMT_RET(stmtCleanBindInfo(pStmt));
+  }
+  
+
   STableMeta *pTableMeta = NULL;
   SEpSet ep = getEpSet_s(&pStmt->taos->pAppInfo->mgmtEp);
   int32_t code = catalogGetTableMeta(pStmt->pCatalog, pStmt->taos->pAppInfo->pTransporter, &ep, &pStmt->bInfo.sname, &pTableMeta);
   if (TSDB_CODE_PAR_TABLE_NOT_EXIST == code) {
     STMT_ERR_RET(stmtCleanBindInfo(pStmt));
-    
+
     return TSDB_CODE_SUCCESS;
   }
 
   STMT_ERR_RET(code);
-  
+
   uint64_t uid = pTableMeta->uid;
   uint64_t suid = pTableMeta->suid;
-  int8_t tableType = pTableMeta->tableType;
+  int8_t   tableType = pTableMeta->tableType;
   taosMemoryFree(pTableMeta);
+  uint64_t cacheUid = (TSDB_CHILD_TABLE == tableType) ? suid : uid;
   
   if (uid == pStmt->bInfo.tbUid) {
     pStmt->bInfo.needParse = false;
@@ -329,16 +406,16 @@ int32_t stmtGetFromCache(STscStmt* pStmt) {
     return TSDB_CODE_SUCCESS;
   }
 
-  if (taosHashGet(pStmt->exec.pBlockHash, &uid, sizeof(uid))) {
-    SStmtTableCache* pCache = taosHashGet(pStmt->sql.pTableCache, &uid, sizeof(uid));
+  if (pStmt->bInfo.inExecCache) {
+    SStmtTableCache* pCache = taosHashGet(pStmt->sql.pTableCache, &cacheUid, sizeof(cacheUid));
     if (NULL == pCache) {
-      tscError("table uid %" PRIx64 "found in exec blockHash, but not in sql blockHash", uid);
+      tscError("table [%s, %" PRIx64 ", %" PRIx64 "] found in exec blockHash, but not in sql blockHash", pStmt->bInfo.tbFName, uid, cacheUid);
       
       STMT_ERR_RET(TSDB_CODE_TSC_APP_ERROR);
     }
-    
+
     pStmt->bInfo.needParse = false;
-    
+
     pStmt->bInfo.tbUid = uid;
     pStmt->bInfo.tbSuid = suid;
     pStmt->bInfo.tbType = tableType;
@@ -348,7 +425,7 @@ int32_t stmtGetFromCache(STscStmt* pStmt) {
     return TSDB_CODE_SUCCESS;
   }
 
-  SStmtTableCache* pCache = taosHashGet(pStmt->sql.pTableCache, &uid, sizeof(uid));
+  SStmtTableCache* pCache = taosHashGet(pStmt->sql.pTableCache, &cacheUid, sizeof(cacheUid));
   if (pCache) {
     pStmt->bInfo.needParse = false;
 
@@ -359,12 +436,12 @@ int32_t stmtGetFromCache(STscStmt* pStmt) {
     pStmt->bInfo.tagsCached = true;
 
     STableDataBlocks* pNewBlock = NULL;
-    STMT_ERR_RET(qRebuildStmtDataBlock(&pNewBlock, pCache->pDataBlock));
+    STMT_ERR_RET(stmtRebuildDataBlock(pStmt, pCache->pDataBlock, &pNewBlock, uid));
 
-    if (taosHashPut(pStmt->exec.pBlockHash, &pStmt->bInfo.tbUid, sizeof(pStmt->bInfo.tbUid), &pNewBlock, POINTER_BYTES)) {
+    if (taosHashPut(pStmt->exec.pBlockHash, pStmt->bInfo.tbFName, strlen(pStmt->bInfo.tbFName), &pNewBlock, POINTER_BYTES)) {
       STMT_ERR_RET(TSDB_CODE_OUT_OF_MEMORY);
     }
-    
+
     return TSDB_CODE_SUCCESS;
   }
 
@@ -387,9 +464,8 @@ int32_t stmtResetStmt(STscStmt* pStmt) {
   return TSDB_CODE_SUCCESS;
 }
 
-
-TAOS_STMT *stmtInit(TAOS *taos) {
-  STscObj* pObj = (STscObj*)taos;
+TAOS_STMT* stmtInit(TAOS* taos) {
+  STscObj*  pObj = (STscObj*)taos;
   STscStmt* pStmt = NULL;
 
   pStmt = taosMemoryCalloc(1, sizeof(STscStmt));
@@ -408,11 +484,11 @@ TAOS_STMT *stmtInit(TAOS *taos) {
   pStmt->taos = pObj;
   pStmt->bInfo.needParse = true;
   pStmt->sql.status = STMT_INIT;
-  
+
   return pStmt;
 }
 
-int stmtPrepare(TAOS_STMT *stmt, const char *sql, unsigned long length) {
+int stmtPrepare(TAOS_STMT* stmt, const char* sql, unsigned long length) {
   STscStmt* pStmt = (STscStmt*)stmt;
 
   if (pStmt->sql.status >= STMT_PREPARE) {
@@ -424,15 +500,14 @@ int stmtPrepare(TAOS_STMT *stmt, const char *sql, unsigned long length) {
   if (length <= 0) {
     length = strlen(sql);
   }
-  
+
   pStmt->sql.sqlStr = strndup(sql, length);
   pStmt->sql.sqlLen = length;
 
   return TSDB_CODE_SUCCESS;
 }
 
-
-int stmtSetTbName(TAOS_STMT *stmt, const char *tbName) {
+int stmtSetTbName(TAOS_STMT* stmt, const char* tbName) {
   STscStmt* pStmt = (STscStmt*)stmt;
 
   STMT_ERR_RET(stmtSwitchStatus(pStmt, STMT_SETTBNAME));
@@ -449,49 +524,52 @@ int stmtSetTbName(TAOS_STMT *stmt, const char *tbName) {
   }
   
   STMT_ERR_RET(qCreateSName(&pStmt->bInfo.sname, tbName, pStmt->taos->acctId, pStmt->exec.pRequest->pDb, pStmt->exec.pRequest->msgBuf, pStmt->exec.pRequest->msgBufLen));
-    
+  tNameExtractFullName(&pStmt->bInfo.sname, pStmt->bInfo.tbFName);
+  
   STMT_ERR_RET(stmtGetFromCache(pStmt));
 
   if (pStmt->bInfo.needParse) {
-    taosMemoryFree(pStmt->bInfo.tbName);
-    pStmt->bInfo.tbName = strdup(tbName);
+    strncpy(pStmt->bInfo.tbName, tbName, sizeof(pStmt->bInfo.tbName) - 1);
+    pStmt->bInfo.tbName[sizeof(pStmt->bInfo.tbName) - 1] = 0;
   }
 
   return TSDB_CODE_SUCCESS;
 }
 
-int stmtSetTbTags(TAOS_STMT *stmt, TAOS_MULTI_BIND *tags) {
+int stmtSetTbTags(TAOS_STMT* stmt, TAOS_MULTI_BIND* tags) {
   STscStmt* pStmt = (STscStmt*)stmt;
 
   STMT_ERR_RET(stmtSwitchStatus(pStmt, STMT_SETTAGS));
 
-  if (!pStmt->bInfo.needParse) {
+  if (pStmt->bInfo.needParse) {
+    STMT_ERR_RET(stmtParseSql(pStmt));
+  }
+
+  if (pStmt->bInfo.inExecCache) {
     return TSDB_CODE_SUCCESS;
   }
 
-  STMT_ERR_RET(stmtParseSql(pStmt));
-
-  STableDataBlocks **pDataBlock = (STableDataBlocks**)taosHashGet(pStmt->exec.pBlockHash, (const char*)&pStmt->bInfo.tbUid, sizeof(pStmt->bInfo.tbUid));
+  STableDataBlocks **pDataBlock = (STableDataBlocks**)taosHashGet(pStmt->exec.pBlockHash, pStmt->bInfo.tbFName, strlen(pStmt->bInfo.tbFName));
   if (NULL == pDataBlock) {
-    tscError("table uid %" PRIx64 "not found in exec blockHash", pStmt->bInfo.tbUid);
+    tscError("table %s not found in exec blockHash", pStmt->bInfo.tbFName);
     STMT_ERR_RET(TSDB_CODE_QRY_APP_ERROR);
   }
-  
-  STMT_ERR_RET(qBindStmtTagsValue(*pDataBlock, pStmt->bInfo.boundTags, pStmt->bInfo.tbSuid, pStmt->bInfo.sname.tname, tags, pStmt->exec.pRequest->msgBuf, pStmt->exec.pRequest->msgBufLen));
+
+  STMT_ERR_RET(qBindStmtTagsValue(*pDataBlock, pStmt->bInfo.boundTags, pStmt->bInfo.tbSuid, pStmt->bInfo.sname.tname,
+                                  tags, pStmt->exec.pRequest->msgBuf, pStmt->exec.pRequest->msgBufLen));
 
   return TSDB_CODE_SUCCESS;
 }
 
-
-int32_t stmtFetchTagFields(STscStmt* pStmt, int32_t *fieldNum, TAOS_FIELD** fields) {
+int32_t stmtFetchTagFields(STscStmt* pStmt, int32_t* fieldNum, TAOS_FIELD** fields) {
   if (STMT_TYPE_QUERY == pStmt->sql.type) {
     tscError("invalid operation to get query tag fileds");
     STMT_ERR_RET(TSDB_CODE_TSC_STMT_API_ERROR);
   }
 
-  STableDataBlocks **pDataBlock = (STableDataBlocks**)taosHashGet(pStmt->exec.pBlockHash, (const char*)&pStmt->bInfo.tbUid, sizeof(pStmt->bInfo.tbUid));
+  STableDataBlocks **pDataBlock = (STableDataBlocks**)taosHashGet(pStmt->exec.pBlockHash, pStmt->bInfo.tbFName, strlen(pStmt->bInfo.tbFName));
   if (NULL == pDataBlock) {
-    tscError("table uid %" PRIx64 "not found in exec blockHash", pStmt->bInfo.tbUid);
+    tscError("table %s not found in exec blockHash", pStmt->bInfo.tbFName);
     STMT_ERR_RET(TSDB_CODE_QRY_APP_ERROR);
   }
 
@@ -500,27 +578,28 @@ int32_t stmtFetchTagFields(STscStmt* pStmt, int32_t *fieldNum, TAOS_FIELD** fiel
   return TSDB_CODE_SUCCESS;
 }
 
-int32_t stmtFetchColFields(STscStmt* pStmt, int32_t *fieldNum, TAOS_FIELD** fields) {
+int32_t stmtFetchColFields(STscStmt* pStmt, int32_t* fieldNum, TAOS_FIELD** fields) {
   if (STMT_TYPE_QUERY == pStmt->sql.type) {
     tscError("invalid operation to get query column fileds");
     STMT_ERR_RET(TSDB_CODE_TSC_STMT_API_ERROR);
   }
 
-  STableDataBlocks **pDataBlock = (STableDataBlocks**)taosHashGet(pStmt->exec.pBlockHash, (const char*)&pStmt->bInfo.tbUid, sizeof(pStmt->bInfo.tbUid));
+  STableDataBlocks **pDataBlock = (STableDataBlocks**)taosHashGet(pStmt->exec.pBlockHash, pStmt->bInfo.tbFName, strlen(pStmt->bInfo.tbFName));
   if (NULL == pDataBlock) {
-    tscError("table uid %" PRIx64 "not found in exec blockHash", pStmt->bInfo.tbUid);
+    tscError("table %s not found in exec blockHash", pStmt->bInfo.tbFName);
     STMT_ERR_RET(TSDB_CODE_QRY_APP_ERROR);
   }
 
   STMT_ERR_RET(qBuildStmtColFields(*pDataBlock, fieldNum, fields));
 
-  return TSDB_CODE_SUCCESS;  
+  return TSDB_CODE_SUCCESS;
 }
 
-int stmtBindBatch(TAOS_STMT *stmt, TAOS_MULTI_BIND *bind, int32_t colIdx) {
+int stmtBindBatch(TAOS_STMT* stmt, TAOS_MULTI_BIND* bind, int32_t colIdx) {
   STscStmt* pStmt = (STscStmt*)stmt;
 
-  if (pStmt->bInfo.needParse && pStmt->sql.runTimes && pStmt->sql.type > 0 && STMT_TYPE_MULTI_INSERT != pStmt->sql.type) {
+  if (pStmt->bInfo.needParse && pStmt->sql.runTimes && pStmt->sql.type > 0 &&
+      STMT_TYPE_MULTI_INSERT != pStmt->sql.type) {
     pStmt->bInfo.needParse = false;
   }
 
@@ -528,7 +607,7 @@ int stmtBindBatch(TAOS_STMT *stmt, TAOS_MULTI_BIND *bind, int32_t colIdx) {
     taos_free_result(pStmt->exec.pRequest);
     pStmt->exec.pRequest = NULL;
   }
-  
+
   if (NULL == pStmt->exec.pRequest) {
     STMT_ERR_RET(buildRequest(pStmt->taos, pStmt->sql.sqlStr, pStmt->sql.sqlLen, &pStmt->exec.pRequest));
   }
@@ -548,13 +627,14 @@ int stmtBindBatch(TAOS_STMT *stmt, TAOS_MULTI_BIND *bind, int32_t colIdx) {
     } else {
       STMT_ERR_RET(stmtRestoreQueryFields(pStmt));
     }
-    
-    STMT_RET(qStmtBindParam(pStmt->sql.pQueryPlan, bind, colIdx, pStmt->exec.pRequest->requestId));
+
+    bool emptyResult = false;
+    STMT_RET(qStmtBindParam(pStmt->sql.pQueryPlan, bind, colIdx, pStmt->exec.pRequest->requestId, &emptyResult));
   }
   
-  STableDataBlocks **pDataBlock = (STableDataBlocks**)taosHashGet(pStmt->exec.pBlockHash, (const char*)&pStmt->bInfo.tbUid, sizeof(pStmt->bInfo.tbUid));
+  STableDataBlocks **pDataBlock = (STableDataBlocks**)taosHashGet(pStmt->exec.pBlockHash, pStmt->bInfo.tbFName, strlen(pStmt->bInfo.tbFName));
   if (NULL == pDataBlock) {
-    tscError("table uid %" PRIx64 "not found in exec blockHash", pStmt->bInfo.tbUid);
+    tscError("table %s not found in exec blockHash", pStmt->bInfo.tbFName);
     STMT_ERR_RET(TSDB_CODE_QRY_APP_ERROR);
   }
 
@@ -571,39 +651,95 @@ int stmtBindBatch(TAOS_STMT *stmt, TAOS_MULTI_BIND *bind, int32_t colIdx) {
     }
 
     pStmt->bInfo.sBindLastIdx = colIdx;
-    
+
     if (0 == colIdx) {
       pStmt->bInfo.sBindRowNum = bind->num;
     }
-    
-    qBindStmtSingleColValue(*pDataBlock, bind, pStmt->exec.pRequest->msgBuf, pStmt->exec.pRequest->msgBufLen, colIdx, pStmt->bInfo.sBindRowNum);
+
+    qBindStmtSingleColValue(*pDataBlock, bind, pStmt->exec.pRequest->msgBuf, pStmt->exec.pRequest->msgBufLen, colIdx,
+                            pStmt->bInfo.sBindRowNum);
   }
-  
+
   return TSDB_CODE_SUCCESS;
 }
 
-
-int stmtAddBatch(TAOS_STMT *stmt) {
+int stmtAddBatch(TAOS_STMT* stmt) {
   STscStmt* pStmt = (STscStmt*)stmt;
 
   STMT_ERR_RET(stmtSwitchStatus(pStmt, STMT_ADD_BATCH));
 
   STMT_ERR_RET(stmtCacheBlock(pStmt));
+
+  return TSDB_CODE_SUCCESS;
+}
+
+int stmtUpdateTableUid(STscStmt* pStmt, SSubmitRsp *pRsp) {
+  if (pRsp->nBlocks <= 0) {
+    tscError("invalid submit resp block number %d", pRsp->nBlocks);
+    STMT_ERR_RET(TSDB_CODE_TSC_APP_ERROR);
+  }
+
+  size_t keyLen = 0;
+  STableDataBlocks **pIter = taosHashIterate(pStmt->exec.pBlockHash, NULL);
+  while (pIter) {
+    STableDataBlocks *pBlock = *pIter;
+    char *key = taosHashGetKey(pIter, &keyLen);
   
+    STableMeta *pMeta = qGetTableMetaInDataBlock(pBlock);
+    if (pMeta->uid != pStmt->bInfo.tbUid) {
+      tscError("table uid %" PRIx64 " mis-match with current table uid %" PRIx64, pMeta->uid, pStmt->bInfo.tbUid);
+      STMT_ERR_RET(TSDB_CODE_TSC_APP_ERROR);
+    }
+
+    if (pMeta->uid) {
+      pIter = taosHashIterate(pStmt->exec.pBlockHash, pIter);
+      continue;
+    }
+
+    SSubmitBlkRsp *blkRsp = NULL;
+    int32_t i = 0;
+    for (; i < pRsp->nBlocks; ++i) {
+      blkRsp = pRsp->pBlocks + i;
+      if (strlen(blkRsp->tblFName) != keyLen) {
+        continue;
+      }
+      
+      if (strncmp(blkRsp->tblFName, key, keyLen)) {
+        continue;
+      }
+    
+      break;
+    }
+
+    if (i < pRsp->nBlocks) {
+      tscDebug("auto created table %s uid updated from %" PRIx64 " to %" PRIx64, blkRsp->tblFName, pMeta->uid, blkRsp->uid);
+      
+      pMeta->uid = blkRsp->uid;
+      pStmt->bInfo.tbUid = blkRsp->uid;
+    } else {
+      tscError("table %s not found in submit rsp", pStmt->bInfo.tbFName);
+      STMT_ERR_RET(TSDB_CODE_TSC_APP_ERROR);
+    }
+
+    pIter = taosHashIterate(pStmt->exec.pBlockHash, pIter);
+  }
+
   return TSDB_CODE_SUCCESS;
 }
 
 int stmtExec(TAOS_STMT *stmt) {
   STscStmt* pStmt = (STscStmt*)stmt;
   int32_t code = 0;
+  SSubmitRsp *pRsp = NULL;
+  bool autoCreateTbl = pStmt->exec.autoCreateTbl;
 
   STMT_ERR_RET(stmtSwitchStatus(pStmt, STMT_EXECUTE));
 
   if (STMT_TYPE_QUERY == pStmt->sql.type) {
-    scheduleQuery(pStmt->exec.pRequest, pStmt->sql.pQueryPlan, pStmt->sql.nodeList);
+    scheduleQuery(pStmt->exec.pRequest, pStmt->sql.pQueryPlan, pStmt->sql.nodeList, NULL);
   } else {
     STMT_ERR_RET(qBuildStmtOutput(pStmt->sql.pQuery, pStmt->exec.pVgHash, pStmt->exec.pBlockHash));
-    launchQueryImpl(pStmt->exec.pRequest, pStmt->sql.pQuery, TSDB_CODE_SUCCESS, true);
+    launchQueryImpl(pStmt->exec.pRequest, pStmt->sql.pQuery, TSDB_CODE_SUCCESS, true, (autoCreateTbl ? (void**)&pRsp : NULL));
   }
 
   if (pStmt->exec.pRequest->code && NEED_CLIENT_HANDLE_ERROR(pStmt->exec.pRequest->code)) {
@@ -615,7 +751,7 @@ int stmtExec(TAOS_STMT *stmt) {
       STMT_ERR_RET(TSDB_CODE_NEED_RETRY);
     }
   }
-  
+
   STMT_ERR_JRET(pStmt->exec.pRequest->code);
 
   pStmt->exec.affectedRows = taos_affected_rows(pStmt->exec.pRequest);
@@ -624,14 +760,22 @@ int stmtExec(TAOS_STMT *stmt) {
 _return:
 
   stmtCleanExecInfo(pStmt, (code ? false : true), false);
+
+  if (TSDB_CODE_SUCCESS == code && autoCreateTbl) {
+    if (NULL == pRsp) {
+      tscError("no submit resp got for auto create table");
+      STMT_ERR_RET(TSDB_CODE_TSC_APP_ERROR);
+    }
+    
+    STMT_ERR_RET(stmtUpdateTableUid(pStmt, pRsp));
+  }
   
   ++pStmt->sql.runTimes;
-  
+
   STMT_RET(code);
 }
 
-
-int stmtClose(TAOS_STMT *stmt) {
+int stmtClose(TAOS_STMT* stmt) {
   STscStmt* pStmt = (STscStmt*)stmt;
 
   STMT_RET(stmtCleanSQLInfo(pStmt));
@@ -639,11 +783,11 @@ int stmtClose(TAOS_STMT *stmt) {
   taosMemoryFree(stmt);
 }
 
-const char *stmtErrstr(TAOS_STMT *stmt) {
+const char* stmtErrstr(TAOS_STMT* stmt) {
   STscStmt* pStmt = (STscStmt*)stmt;
 
   if (stmt == NULL || NULL == pStmt->exec.pRequest) {
-    return (char*) tstrerror(terrno);
+    return (char*)tstrerror(terrno);
   }
 
   pStmt->exec.pRequest->code = terrno;
@@ -651,15 +795,11 @@ const char *stmtErrstr(TAOS_STMT *stmt) {
   return taos_errstr(pStmt->exec.pRequest);
 }
 
-int stmtAffectedRows(TAOS_STMT *stmt) {
-  return ((STscStmt*)stmt)->affectedRows;
-}
+int stmtAffectedRows(TAOS_STMT* stmt) { return ((STscStmt*)stmt)->affectedRows; }
 
-int stmtAffectedRowsOnce(TAOS_STMT *stmt) {
-  return ((STscStmt*)stmt)->exec.affectedRows;
-}
+int stmtAffectedRowsOnce(TAOS_STMT* stmt) { return ((STscStmt*)stmt)->exec.affectedRows; }
 
-int stmtIsInsert(TAOS_STMT *stmt, int *insert) {
+int stmtIsInsert(TAOS_STMT* stmt, int* insert) {
   STscStmt* pStmt = (STscStmt*)stmt;
 
   if (pStmt->sql.type) {
@@ -667,16 +807,17 @@ int stmtIsInsert(TAOS_STMT *stmt, int *insert) {
   } else {
     *insert = isInsertSql(pStmt->sql.sqlStr, 0);
   }
-  
+
   return TSDB_CODE_SUCCESS;
 }
 
-int stmtGetParamNum(TAOS_STMT *stmt, int *nums) {
+int stmtGetParamNum(TAOS_STMT* stmt, int* nums) {
   STscStmt* pStmt = (STscStmt*)stmt;
 
   STMT_ERR_RET(stmtSwitchStatus(pStmt, STMT_FETCH_FIELDS));
 
-  if (pStmt->bInfo.needParse && pStmt->sql.runTimes && pStmt->sql.type > 0 && STMT_TYPE_MULTI_INSERT != pStmt->sql.type) {
+  if (pStmt->bInfo.needParse && pStmt->sql.runTimes && pStmt->sql.type > 0 &&
+      STMT_TYPE_MULTI_INSERT != pStmt->sql.type) {
     pStmt->bInfo.needParse = false;
   }
 
@@ -684,7 +825,7 @@ int stmtGetParamNum(TAOS_STMT *stmt, int *nums) {
     taos_free_result(pStmt->exec.pRequest);
     pStmt->exec.pRequest = NULL;
   }
-  
+
   if (NULL == pStmt->exec.pRequest) {
     STMT_ERR_RET(buildRequest(pStmt->taos, pStmt->sql.sqlStr, pStmt->sql.sqlLen, &pStmt->exec.pRequest));
   }
@@ -702,16 +843,16 @@ int stmtGetParamNum(TAOS_STMT *stmt, int *nums) {
     } else {
       STMT_ERR_RET(stmtRestoreQueryFields(pStmt));
     }
-    
+
     *nums = taosArrayGetSize(pStmt->sql.pQueryPlan->pPlaceholderValues);
   } else {
     STMT_ERR_RET(stmtFetchColFields(stmt, nums, NULL));
   }
-  
+
   return TSDB_CODE_SUCCESS;
 }
 
-TAOS_RES *stmtUseResult(TAOS_STMT *stmt) {
+TAOS_RES* stmtUseResult(TAOS_STMT* stmt) {
   STscStmt* pStmt = (STscStmt*)stmt;
 
   if (STMT_TYPE_QUERY != pStmt->sql.type) {
@@ -721,6 +862,3 @@ TAOS_RES *stmtUseResult(TAOS_STMT *stmt) {
 
   return pStmt->exec.pRequest;
 }
-
-
-
diff --git a/source/common/src/tmsg.c b/source/common/src/tmsg.c
index 9524fb1f44..ebd81c7da3 100644
--- a/source/common/src/tmsg.c
+++ b/source/common/src/tmsg.c
@@ -2764,6 +2764,7 @@ int32_t tSerializeSConnectRsp(void *buf, int32_t bufLen, SConnectRsp *pRsp) {
   if (tEncodeI32(&encoder, pRsp->acctId) < 0) return -1;
   if (tEncodeI64(&encoder, pRsp->clusterId) < 0) return -1;
   if (tEncodeU32(&encoder, pRsp->connId) < 0) return -1;
+  if (tEncodeI32(&encoder, pRsp->dnodeNum) < 0) return -1;
   if (tEncodeI8(&encoder, pRsp->superUser) < 0) return -1;
   if (tEncodeI8(&encoder, pRsp->connType) < 0) return -1;
   if (tEncodeSEpSet(&encoder, &pRsp->epSet) < 0) return -1;
@@ -2783,6 +2784,7 @@ int32_t tDeserializeSConnectRsp(void *buf, int32_t bufLen, SConnectRsp *pRsp) {
   if (tDecodeI32(&decoder, &pRsp->acctId) < 0) return -1;
   if (tDecodeI64(&decoder, &pRsp->clusterId) < 0) return -1;
   if (tDecodeU32(&decoder, &pRsp->connId) < 0) return -1;
+  if (tDecodeI32(&decoder, &pRsp->dnodeNum) < 0) return -1;
   if (tDecodeI8(&decoder, &pRsp->superUser) < 0) return -1;
   if (tDecodeI8(&decoder, &pRsp->connType) < 0) return -1;
   if (tDecodeSEpSet(&decoder, &pRsp->epSet) < 0) return -1;
@@ -4026,3 +4028,84 @@ int32_t tDecodeSVSubmitReq(SDecoder *pCoder, SVSubmitReq *pReq) {
   tEndDecode(pCoder);
   return 0;
 }
+
+static int32_t tEncodeSSubmitBlkRsp(SEncoder *pEncoder, const SSubmitBlkRsp *pBlock) {
+  if (tStartEncode(pEncoder) < 0) return -1;
+
+  if (tEncodeI8(pEncoder, pBlock->hashMeta) < 0) return -1;
+  if (pBlock->hashMeta) {
+    if (tEncodeI64(pEncoder, pBlock->uid) < 0) return -1;
+    if (tEncodeCStr(pEncoder, pBlock->tblFName) < 0) return -1;
+  }
+  if (tEncodeI32v(pEncoder, pBlock->numOfRows) < 0) return -1;
+  if (tEncodeI32v(pEncoder, pBlock->affectedRows) < 0) return -1;
+
+  tEndEncode(pEncoder);
+  return 0;
+}
+
+static int32_t tDecodeSSubmitBlkRsp(SDecoder *pDecoder, SSubmitBlkRsp *pBlock) {
+  if (tStartDecode(pDecoder) < 0) return -1;
+
+  if (tDecodeI8(pDecoder, &pBlock->hashMeta) < 0) return -1;
+  if (pBlock->hashMeta) {
+    if (tDecodeI64(pDecoder, &pBlock->uid) < 0) return -1;
+    pBlock->tblFName= taosMemoryCalloc(TSDB_TABLE_FNAME_LEN, 1);
+    if (NULL == pBlock->tblFName) return -1;
+    if (tDecodeCStrTo(pDecoder, pBlock->tblFName) < 0) return -1;
+  }
+  if (tDecodeI32v(pDecoder, &pBlock->numOfRows) < 0) return -1;
+  if (tDecodeI32v(pDecoder, &pBlock->affectedRows) < 0) return -1;
+
+  tEndDecode(pDecoder);
+  return 0;
+}
+
+int32_t tEncodeSSubmitRsp(SEncoder *pEncoder, const SSubmitRsp *pRsp) {
+  int32_t nBlocks = taosArrayGetSize(pRsp->pArray);
+
+  if (tStartEncode(pEncoder) < 0) return -1;
+
+  if (tEncodeI32v(pEncoder, pRsp->numOfRows) < 0) return -1;
+  if (tEncodeI32v(pEncoder, pRsp->affectedRows) < 0) return -1;
+  if (tEncodeI32v(pEncoder, nBlocks) < 0) return -1;
+  for (int32_t iBlock = 0; iBlock < nBlocks; iBlock++) {
+    if (tEncodeSSubmitBlkRsp(pEncoder, (SSubmitBlkRsp *)taosArrayGet(pRsp->pArray, iBlock)) < 0) return -1;
+  }
+
+  tEndEncode(pEncoder);
+  return 0;
+}
+
+int32_t tDecodeSSubmitRsp(SDecoder *pDecoder, SSubmitRsp *pRsp) {
+  if (tStartDecode(pDecoder) < 0) return -1;
+
+  if (tDecodeI32v(pDecoder, &pRsp->numOfRows) < 0) return -1;
+  if (tDecodeI32v(pDecoder, &pRsp->affectedRows) < 0) return -1;
+  if (tDecodeI32v(pDecoder, &pRsp->nBlocks) < 0) return -1;
+  pRsp->pBlocks = taosMemoryCalloc(pRsp->nBlocks, sizeof(*pRsp->pBlocks));
+  if (pRsp->pBlocks == NULL) return -1;
+  for (int32_t iBlock = 0; iBlock < pRsp->nBlocks; iBlock++) {
+    if (tDecodeSSubmitBlkRsp(pDecoder, pRsp->pBlocks + iBlock) < 0) return -1;
+  }
+
+  tEndDecode(pDecoder);  
+  tDecoderClear(pDecoder);
+  return 0;
+}
+
+void tFreeSSubmitRsp(SSubmitRsp *pRsp) {
+  if (NULL == pRsp) return;
+
+  if (pRsp->pBlocks) {
+    for (int32_t i = 0; i < pRsp->nBlocks; ++i) {
+      SSubmitBlkRsp *sRsp = pRsp->pBlocks + i;
+      taosMemoryFree(sRsp->tblFName);
+    }
+
+    taosMemoryFree(pRsp->pBlocks);
+  }
+
+  taosMemoryFree(pRsp);
+}
+
diff --git a/source/common/src/trow.c b/source/common/src/trow.c
index 44bcd72a33..d1516403c1 100644
--- a/source/common/src/trow.c
+++ b/source/common/src/trow.c
@@ -1159,7 +1159,7 @@ bool tdGetKvRowValOfColEx(STSRowIter *pIter, col_id_t colId, col_type_t colType,
 
 #ifdef TD_SUPPORT_BITMAP
   int16_t colIdx = -1;
-  if (pKvIdx) colIdx = POINTER_DISTANCE(TD_ROW_COL_IDX(pRow), pKvIdx) / sizeof(SKvRowIdx);
+  if (pKvIdx) colIdx = POINTER_DISTANCE(pKvIdx, TD_ROW_COL_IDX(pRow)) / sizeof(SKvRowIdx);
   if (tdGetBitmapValType(pIter->pBitmap, colIdx, &pVal->valType, 0) != TSDB_CODE_SUCCESS) {
     pVal->valType = TD_VTYPE_NONE;
   }
@@ -1226,7 +1226,7 @@ bool tdSTSRowGetVal(STSRowIter *pIter, col_id_t colId, col_type_t colType, SCell
                                                compareKvRowColId, TD_EQ);
 #ifdef TD_SUPPORT_BITMAP
     if (pIdx) {
-      colIdx = POINTER_DISTANCE(TD_ROW_COL_IDX(pRow), pIdx) / sizeof(SKvRowIdx);
+      colIdx = POINTER_DISTANCE(pIdx, TD_ROW_COL_IDX(pRow)) / sizeof(SKvRowIdx);
     }
 #endif
     tdGetKvRowValOfCol(pVal, pRow, pIter->pBitmap, pIdx ? pIdx->offset : -1, colIdx);
diff --git a/source/common/src/tvariant.c b/source/common/src/tvariant.c
index a546d9bb6b..e44450fe6e 100644
--- a/source/common/src/tvariant.c
+++ b/source/common/src/tvariant.c
@@ -35,104 +35,36 @@
     assert(0);                                                      \
   } while (0)
 
-int32_t toInteger(const char *z, int32_t n, int32_t base, int64_t *value, bool *isSigned) {
+int32_t toInteger(const char *z, int32_t n, int32_t base, int64_t *value) {
   errno = 0;
   char *endPtr = NULL;
 
-  int32_t index = 0;
-
-  bool specifiedSign = (z[0] == '+' || z[0] == '-');
-  if (specifiedSign) {
-    *isSigned = true;
-    index = 1;
-  }
-
-  uint64_t val = strtoull(&z[index], &endPtr, base);
-  if (errno == ERANGE || errno == EINVAL) {
+  *value = strtoll(z, &endPtr, base);
+  if (errno == ERANGE || errno == EINVAL || endPtr - z != n) {
     errno = 0;
     return -1;
   }
 
-  if (specifiedSign && val > INT64_MAX) {
-    return -1;
-  }
-
-  if (endPtr - &z[index] != n - index) {
-    return -1;
-  }
-
-  *isSigned = specifiedSign || (val <= INT64_MAX);
-  if (*isSigned) {
-    *value = (z[0] == '-') ? -val : val;
-  } else {
-    *(uint64_t *)value = val;
-  }
-
   return 0;
 }
 
-void taosVariantCreate(SVariant *pVar, const char *z, int32_t n, int32_t type) {
-  int32_t ret = 0;
-  memset(pVar, 0, sizeof(SVariant));
+int32_t toUInteger(const char *z, int32_t n, int32_t base, uint64_t *value) {
+  errno = 0;
+  char *endPtr = NULL;
 
-  switch (type) {
-    case TSDB_DATA_TYPE_BOOL: {
-      if (strncasecmp(z, "true", 4) == 0) {
-        pVar->i = TSDB_TRUE;
-      } else if (strncasecmp(z, "false", 5) == 0) {
-        pVar->i = TSDB_FALSE;
-      } else {
-        return;
-      }
-      break;
-    }
-
-    case TSDB_DATA_TYPE_TINYINT:
-    case TSDB_DATA_TYPE_SMALLINT:
-    case TSDB_DATA_TYPE_BIGINT:
-    case TSDB_DATA_TYPE_INT: {
-      bool sign = true;
-
-      int32_t base = 10;
-      if (type == TK_NK_HEX) {
-        base = 16;
-      } else if (type == TK_NK_OCT) {
-        base = 8;
-      } else if (type == TK_NK_BIN) {
-        base = 2;
-      }
-
-      ret = toInteger(z, n, base, &pVar->i, &sign);
-      if (ret != 0) {
-        pVar->nType = -1;  // -1 means error type
-        return;
-      }
-
-      pVar->nType = (sign) ? TSDB_DATA_TYPE_BIGINT : TSDB_DATA_TYPE_UBIGINT;
-      break;
-    }
-    case TSDB_DATA_TYPE_DOUBLE:
-    case TSDB_DATA_TYPE_FLOAT: {
-      pVar->d = strtod(z, NULL);
-      break;
-    }
-    case TSDB_DATA_TYPE_BINARY: {
-      pVar->pz = strndup(z, n);
-      //pVar->nLen = strRmquote(pVar->pz, n);
-      break;
-    }
-    case TSDB_DATA_TYPE_TIMESTAMP: {
-      assert(0);
-      pVar->i = taosGetTimestamp(TSDB_TIME_PRECISION_NANO);
-      break;
-    }
-
-    default: {  // nType == 0 means the null value
-      type = TSDB_DATA_TYPE_NULL;
-    }
+  const char *p = z;
+  while (*p != 0 && *p == ' ') p++;
+  if (*p != 0 && *p == '-') {
+    return -1;
   }
 
-  pVar->nType = type;
+  *value = strtoull(z, &endPtr, base);
+  if (errno == ERANGE || errno == EINVAL || endPtr - z != n) {
+    errno = 0;
+    return -1;
+  }
+
+  return 0;
 }
 
 /**
@@ -461,7 +393,7 @@ static int32_t toNchar(SVariant *pVariant, char **pDest, int32_t *pDestSize) {
 
   if (*pDest == pVariant->pz) {
     TdUcs4 *pWStr = taosMemoryCalloc(1, (nLen + 1) * TSDB_NCHAR_SIZE);
-    bool     ret = taosMbsToUcs4(pDst, nLen, pWStr, (nLen + 1) * TSDB_NCHAR_SIZE, NULL);
+    bool    ret = taosMbsToUcs4(pDst, nLen, pWStr, (nLen + 1) * TSDB_NCHAR_SIZE, NULL);
     if (!ret) {
       taosMemoryFreeClear(pWStr);
       return -1;
@@ -483,7 +415,7 @@ static int32_t toNchar(SVariant *pVariant, char **pDest, int32_t *pDestSize) {
   } else {
     int32_t output = 0;
 
-    bool ret = taosMbsToUcs4(pDst, nLen, (TdUcs4*)*pDest, (nLen + 1) * TSDB_NCHAR_SIZE, &output);
+    bool ret = taosMbsToUcs4(pDst, nLen, (TdUcs4 *)*pDest, (nLen + 1) * TSDB_NCHAR_SIZE, &output);
     if (!ret) {
       return -1;
     }
@@ -518,9 +450,9 @@ static FORCE_INLINE int32_t convertToInteger(SVariant *pVariant, int64_t *result
   } else if (IS_UNSIGNED_NUMERIC_TYPE(pVariant->nType)) {
     *result = pVariant->u;
   } else if (IS_FLOAT_TYPE(pVariant->nType)) {
-    *result = (int64_t) pVariant->d;
+    *result = (int64_t)pVariant->d;
   } else {
-    //TODO: handling var types
+    // TODO: handling var types
   }
 #if 0
   errno = 0;
@@ -909,7 +841,7 @@ int32_t tVariantDumpEx(SVariant *pVariant, char *payload, int16_t type, bool inc
               return -1;
             }
           } else {
-            tasoUcs4Copy((TdUcs4*)payload, pVariant->ucs4, pVariant->nLen);
+            tasoUcs4Copy((TdUcs4 *)payload, pVariant->ucs4, pVariant->nLen);
           }
         }
       } else {
@@ -1026,7 +958,7 @@ int32_t taosVariantTypeSetType(SVariant *pVariant, char type) {
   return 0;
 }
 
-char * taosVariantGet(SVariant *pVar, int32_t type) {
+char *taosVariantGet(SVariant *pVar, int32_t type) {
   switch (type) {
     case TSDB_DATA_TYPE_BOOL:
     case TSDB_DATA_TYPE_TINYINT:
diff --git a/source/common/test/commonTests.cpp b/source/common/test/commonTests.cpp
index fea6c4c891..2adb558d01 100644
--- a/source/common/test/commonTests.cpp
+++ b/source/common/test/commonTests.cpp
@@ -8,12 +8,11 @@
 #pragma GCC diagnostic ignored "-Wsign-compare"
 #include "os.h"
 
+#include "taos.h"
 #include "tcommon.h"
 #include "tdatablock.h"
-#include "tcommon.h"
-#include "taos.h"
-#include "tvariant.h"
 #include "tdef.h"
+#include "tvariant.h"
 
 namespace {
 //
@@ -29,72 +28,62 @@ TEST(testCase, toInteger_test) {
   uint32_t type = 0;
 
   int64_t val = 0;
-  bool sign = true;
 
-  int32_t ret = toInteger(s, strlen(s), 10, &val, &sign);
+  int32_t ret = toInteger(s, strlen(s), 10, &val);
   ASSERT_EQ(ret, 0);
   ASSERT_EQ(val, 123);
-  ASSERT_EQ(sign, true);
 
   s = "9223372036854775807";
-  ret = toInteger(s, strlen(s), 10, &val, &sign);
+  ret = toInteger(s, strlen(s), 10, &val);
   ASSERT_EQ(ret, 0);
   ASSERT_EQ(val, 9223372036854775807);
-  ASSERT_EQ(sign, true);
 
   s = "9323372036854775807";
-  ret = toInteger(s, strlen(s), 10, &val, &sign);
+  ret = toInteger(s, strlen(s), 10, &val);
   ASSERT_EQ(ret, 0);
   ASSERT_EQ(val, 9323372036854775807u);
-  ASSERT_EQ(sign, false);
 
   s = "-9323372036854775807";
-  ret = toInteger(s, strlen(s), 10, &val, &sign);
+  ret = toInteger(s, strlen(s), 10, &val);
   ASSERT_EQ(ret, -1);
 
   s = "-1";
-  ret = toInteger(s, strlen(s), 10, &val, &sign);
+  ret = toInteger(s, strlen(s), 10, &val);
   ASSERT_EQ(ret, 0);
   ASSERT_EQ(val, -1);
-  ASSERT_EQ(sign, true);
 
   s = "-9223372036854775807";
-  ret = toInteger(s, strlen(s), 10, &val, &sign);
+  ret = toInteger(s, strlen(s), 10, &val);
   ASSERT_EQ(ret, 0);
   ASSERT_EQ(val, -9223372036854775807);
-  ASSERT_EQ(sign, true);
 
   s = "1000u";
-  ret = toInteger(s, strlen(s), 10, &val, &sign);
+  ret = toInteger(s, strlen(s), 10, &val);
   ASSERT_EQ(ret, -1);
 
   s = "0x10";
-  ret = toInteger(s, strlen(s), 16, &val, &sign);
+  ret = toInteger(s, strlen(s), 16, &val);
   ASSERT_EQ(ret, 0);
   ASSERT_EQ(val, 16);
-  ASSERT_EQ(sign, true);
 
   s = "110";
-  ret = toInteger(s, strlen(s), 2, &val, &sign);
+  ret = toInteger(s, strlen(s), 2, &val);
   ASSERT_EQ(ret, 0);
   ASSERT_EQ(val, 6);
-  ASSERT_EQ(sign, true);
 
   s = "110";
-  ret = toInteger(s, strlen(s), 8, &val, &sign);
+  ret = toInteger(s, strlen(s), 8, &val);
   ASSERT_EQ(ret, 0);
   ASSERT_EQ(val, 72);
-  ASSERT_EQ(sign, true);
 
-  //18446744073709551615  UINT64_MAX
+  // 18446744073709551615  UINT64_MAX
   s = "18446744073709551615";
-  ret = toInteger(s, strlen(s), 10, &val, &sign);
+  ret = toInteger(s, strlen(s), 10, &val);
   ASSERT_EQ(ret, 0);
   ASSERT_EQ(val, 18446744073709551615u);
-  ASSERT_EQ(sign, false);
 
   s = "18446744073709551616";
-  ret = toInteger(s, strlen(s), 10, &val, &sign);
+  ret = toInteger(s, strlen(s), 10, &val);
   ASSERT_EQ(ret, -1);
 }
 
@@ -108,8 +97,8 @@ TEST(testCase, Datablock_test) {
   infoData.info.type = TSDB_DATA_TYPE_INT;
   infoData.info.colId = 1;
 
-  infoData.pData = (char*) taosMemoryCalloc(40, infoData.info.bytes);
-  infoData.nullbitmap = (char*) taosMemoryCalloc(1, sizeof(char) * (40/8));
+  infoData.pData = (char*)taosMemoryCalloc(40, infoData.info.bytes);
+  infoData.nullbitmap = (char*)taosMemoryCalloc(1, sizeof(char) * (40 / 8));
   taosArrayPush(b->pDataBlock, &infoData);
 
   SColumnInfoData infoData1 = {0};
@@ -117,36 +106,36 @@ TEST(testCase, Datablock_test) {
   infoData1.info.type = TSDB_DATA_TYPE_BINARY;
   infoData1.info.colId = 2;
 
-  infoData1.varmeta.offset = (int32_t*) taosMemoryCalloc(40, sizeof(uint32_t));
+  infoData1.varmeta.offset = (int32_t*)taosMemoryCalloc(40, sizeof(uint32_t));
   taosArrayPush(b->pDataBlock, &infoData1);
 
   char* str = "the value of: %d";
-  char buf[128] = {0};
-  char varbuf[128] = {0};
+  char  buf[128] = {0};
+  char  varbuf[128] = {0};
 
-  for(int32_t i = 0; i < 40; ++i) {
-    SColumnInfoData* p0 = (SColumnInfoData *) taosArrayGet(b->pDataBlock, 0);
-    SColumnInfoData* p1 = (SColumnInfoData *) taosArrayGet(b->pDataBlock, 1);
+  for (int32_t i = 0; i < 40; ++i) {
+    SColumnInfoData* p0 = (SColumnInfoData*)taosArrayGet(b->pDataBlock, 0);
+    SColumnInfoData* p1 = (SColumnInfoData*)taosArrayGet(b->pDataBlock, 1);
 
-    if (i&0x01) {
+    if (i & 0x01) {
       int32_t len = sprintf(buf, str, i);
       STR_TO_VARSTR(varbuf, buf)
-      colDataAppend(p0, i, (const char*) &i, false);
-      colDataAppend(p1, i, (const char*) varbuf, false);
+      colDataAppend(p0, i, (const char*)&i, false);
+      colDataAppend(p1, i, (const char*)varbuf, false);
 
       memset(varbuf, 0, sizeof(varbuf));
       memset(buf, 0, sizeof(buf));
     } else {
-      colDataAppend(p0, i, (const char*) &i, true);
-      colDataAppend(p1, i, (const char*) varbuf, true);
+      colDataAppend(p0, i, (const char*)&i, true);
+      colDataAppend(p1, i, (const char*)varbuf, true);
     }
 
     b->info.rows++;
   }
 
-  SColumnInfoData* p0 = (SColumnInfoData *) taosArrayGet(b->pDataBlock, 0);
-  SColumnInfoData* p1 = (SColumnInfoData *) taosArrayGet(b->pDataBlock, 1);
-  for(int32_t i = 0; i < 40; ++i) {
+  SColumnInfoData* p0 = (SColumnInfoData*)taosArrayGet(b->pDataBlock, 0);
+  SColumnInfoData* p1 = (SColumnInfoData*)taosArrayGet(b->pDataBlock, 1);
+  for (int32_t i = 0; i < 40; ++i) {
     if (i & 0x01) {
       ASSERT_EQ(colDataIsNull_f(p0->nullbitmap, i), false);
       ASSERT_EQ(colDataIsNull(p1, b->info.rows, i, nullptr), false);
@@ -158,7 +147,7 @@ TEST(testCase, Datablock_test) {
     }
   }
 
-  printf("binary column length:%d\n", *(int32_t*) p1->pData);
+  printf("binary column length:%d\n", *(int32_t*)p1->pData);
 
   ASSERT_EQ(blockDataGetNumOfCols(b), 2);
   ASSERT_EQ(blockDataGetNumOfRows(b), 40);
@@ -166,8 +155,8 @@ TEST(testCase, Datablock_test) {
   char* pData = colDataGetData(p1, 3);
   printf("the second row of binary:%s, length:%d\n", (char*)varDataVal(pData), varDataLen(pData));
 
-  SArray* pOrderInfo = taosArrayInit(3, sizeof(SBlockOrderInfo));
-  SBlockOrderInfo order = { true,  TSDB_ORDER_ASC, 0, NULL };
+  SArray*         pOrderInfo = taosArrayInit(3, sizeof(SBlockOrderInfo));
+  SBlockOrderInfo order = {true, TSDB_ORDER_ASC, 0, NULL};
   taosArrayPush(pOrderInfo, &order);
 
   blockDataSort(b, pOrderInfo);
@@ -244,8 +233,8 @@ TEST(testCase, var_dataBlock_split_test) {
   infoData.info.type = TSDB_DATA_TYPE_INT;
   infoData.info.colId = 1;
 
-  infoData.pData = (char*) taosMemoryCalloc(numOfRows, infoData.info.bytes);
-  infoData.nullbitmap = (char*) taosMemoryCalloc(1, sizeof(char) * (numOfRows/8));
+  infoData.pData = (char*)taosMemoryCalloc(numOfRows, infoData.info.bytes);
+  infoData.nullbitmap = (char*)taosMemoryCalloc(1, sizeof(char) * (numOfRows / 8));
   taosArrayPush(b->pDataBlock, &infoData);
 
   SColumnInfoData infoData1 = {0};
@@ -253,13 +242,13 @@ TEST(testCase, var_dataBlock_split_test) {
   infoData1.info.type = TSDB_DATA_TYPE_BINARY;
   infoData1.info.colId = 2;
 
-  infoData1.varmeta.offset = (int32_t*) taosMemoryCalloc(numOfRows, sizeof(uint32_t));
+  infoData1.varmeta.offset = (int32_t*)taosMemoryCalloc(numOfRows, sizeof(uint32_t));
   taosArrayPush(b->pDataBlock, &infoData1);
 
   char buf[41] = {0};
   char buf1[100] = {0};
 
-  for(int32_t i = 0; i < numOfRows; ++i) {
+  for (int32_t i = 0; i < numOfRows; ++i) {
     SColumnInfoData* p0 = (SColumnInfoData*)taosArrayGet(b->pDataBlock, 0);
     SColumnInfoData* p1 = (SColumnInfoData*)taosArrayGet(b->pDataBlock, 1);
 
@@ -278,10 +267,10 @@ TEST(testCase, var_dataBlock_split_test) {
 
   int32_t pageSize = 64 * 1024;
 
-  int32_t startIndex= 0;
+  int32_t startIndex = 0;
   int32_t stopIndex = 0;
   int32_t count = 1;
-  while(1) {
+  while (1) {
     blockDataSplitRows(b, true, startIndex, &stopIndex, pageSize);
     printf("the %d split, from: %d to %d\n", count++, startIndex, stopIndex);
 
diff --git a/source/dnode/mnode/impl/src/mndProfile.c b/source/dnode/mnode/impl/src/mndProfile.c
index 2de337537f..600bdcf310 100644
--- a/source/dnode/mnode/impl/src/mndProfile.c
+++ b/source/dnode/mnode/impl/src/mndProfile.c
@@ -20,6 +20,7 @@
 #include "mndShow.h"
 #include "mndStb.h"
 #include "mndUser.h"
+#include "mndDnode.h"
 #include "tglobal.h"
 #include "version.h"
 
@@ -227,6 +228,7 @@ static int32_t mndProcessConnectReq(SNodeMsg *pReq) {
   connectRsp.clusterId = pMnode->clusterId;
   connectRsp.connId = pConn->id;
   connectRsp.connType = connReq.connType;
+  connectRsp.dnodeNum = mndGetDnodeSize(pMnode);
 
   snprintf(connectRsp.sVersion, sizeof(connectRsp.sVersion), "ver:%s\nbuild:%s\ngitinfo:%s", version, buildinfo,
            gitinfo);
diff --git a/source/dnode/vnode/src/inc/meta.h b/source/dnode/vnode/src/inc/meta.h
index 96feee3d7d..1e271bc8d8 100644
--- a/source/dnode/vnode/src/inc/meta.h
+++ b/source/dnode/vnode/src/inc/meta.h
@@ -37,6 +37,9 @@ typedef struct SMSmaCursor SMSmaCursor;
 // clang-format on
 
 // metaOpen ==================
+int32_t metaRLock(SMeta* pMeta);
+int32_t metaWLock(SMeta* pMeta);
+int32_t metaULock(SMeta* pMeta);
 
 // metaEntry ==================
 int metaEncodeEntry(SEncoder* pCoder, const SMetaEntry* pME);
@@ -57,6 +60,8 @@ int  metaRemoveTableFromIdx(SMeta* pMeta, tb_uid_t uid);
 static FORCE_INLINE tb_uid_t metaGenerateUid(SMeta* pMeta) { return tGenIdPI64(); }
 
 struct SMeta {
+  TdThreadRwlock lock;
+
   char*     path;
   SVnode*   pVnode;
   TENV*     pEnv;
diff --git a/source/dnode/vnode/src/inc/vnodeInt.h b/source/dnode/vnode/src/inc/vnodeInt.h
index 986b2740f3..9a36fc6eae 100644
--- a/source/dnode/vnode/src/inc/vnodeInt.h
+++ b/source/dnode/vnode/src/inc/vnodeInt.h
@@ -102,7 +102,7 @@ int32_t      tsdbUpdateSmaWindow(STsdb* pTsdb, SSubmitReq* pMsg, int64_t version
 int32_t      tsdbCreateTSma(STsdb* pTsdb, char* pMsg);
 int32_t      tsdbInsertTSmaData(STsdb* pTsdb, int64_t indexUid, const char* msg);
 int          tsdbInsertData(STsdb* pTsdb, int64_t version, SSubmitReq* pMsg, SSubmitRsp* pRsp);
-int          tsdbInsertTableData(STsdb* pTsdb, SSubmitMsgIter* pMsgIter, SSubmitBlk* pBlock, int32_t* pAffectedRows);
+int          tsdbInsertTableData(STsdb* pTsdb, SSubmitMsgIter* pMsgIter, SSubmitBlk* pBlock, SSubmitBlkRsp* pRsp);
 tsdbReaderT* tsdbQueryTables(SVnode* pVnode, SQueryTableDataCond* pCond, STableGroupInfo* groupList, uint64_t qId,
                              uint64_t taskId);
 tsdbReaderT  tsdbQueryCacheLastT(STsdb* tsdb, SQueryTableDataCond* pCond, STableGroupInfo* groupList, uint64_t qId,
diff --git a/source/dnode/vnode/src/meta/metaOpen.c b/source/dnode/vnode/src/meta/metaOpen.c
index 85a49ffabd..8b3f555f4f 100644
--- a/source/dnode/vnode/src/meta/metaOpen.c
+++ b/source/dnode/vnode/src/meta/metaOpen.c
@@ -22,6 +22,9 @@ static int tagIdxKeyCmpr(const void *pKey1, int kLen1, const void *pKey2, int kL
 static int ttlIdxKeyCmpr(const void *pKey1, int kLen1, const void *pKey2, int kLen2);
 static int uidIdxKeyCmpr(const void *pKey1, int kLen1, const void *pKey2, int kLen2);
 
+static int32_t metaInitLock(SMeta *pMeta) { return taosThreadRwlockInit(&pMeta->lock, NULL); }
+static int32_t metaDestroyLock(SMeta *pMeta) { return taosThreadRwlockDestroy(&pMeta->lock); }
+
 int metaOpen(SVnode *pVnode, SMeta **ppMeta) {
   SMeta *pMeta = NULL;
   int    ret;
@@ -36,6 +39,7 @@ int metaOpen(SVnode *pVnode, SMeta **ppMeta) {
     return -1;
   }
 
+  metaInitLock(pMeta);
   pMeta->path = (char *)&pMeta[1];
   sprintf(pMeta->path, "%s%s%s%s%s", tfsGetPrimaryPath(pVnode->pTfs), TD_DIRSEP, pVnode->path, TD_DIRSEP,
           VNODE_META_DIR);
@@ -121,6 +125,7 @@ _err:
   if (pMeta->pSkmDb) tdbDbClose(pMeta->pSkmDb);
   if (pMeta->pTbDb) tdbDbClose(pMeta->pTbDb);
   if (pMeta->pEnv) tdbEnvClose(pMeta->pEnv);
+  metaDestroyLock(pMeta);
   taosMemoryFree(pMeta);
   return -1;
 }
@@ -136,12 +141,19 @@ int metaClose(SMeta *pMeta) {
     if (pMeta->pSkmDb) tdbDbClose(pMeta->pSkmDb);
     if (pMeta->pTbDb) tdbDbClose(pMeta->pTbDb);
     if (pMeta->pEnv) tdbEnvClose(pMeta->pEnv);
+    metaDestroyLock(pMeta);
     taosMemoryFree(pMeta);
   }
 
   return 0;
 }
 
+int32_t metaRLock(SMeta *pMeta) { return taosThreadRwlockRdlock(&pMeta->lock); }
+
+int32_t metaWLock(SMeta *pMeta) { return taosThreadRwlockWrlock(&pMeta->lock); }
+
+int32_t metaULock(SMeta *pMeta) { return taosThreadRwlockUnlock(&pMeta->lock); }
+
 static int tbDbKeyCmpr(const void *pKey1, int kLen1, const void *pKey2, int kLen2) {
   STbDbKey *pTbDbKey1 = (STbDbKey *)pKey1;
   STbDbKey *pTbDbKey2 = (STbDbKey *)pKey2;
diff --git a/source/dnode/vnode/src/meta/metaQuery.c b/source/dnode/vnode/src/meta/metaQuery.c
index 39c3a6c42d..8d2a4ebcf3 100644
--- a/source/dnode/vnode/src/meta/metaQuery.c
+++ b/source/dnode/vnode/src/meta/metaQuery.c
@@ -19,9 +19,13 @@ void metaReaderInit(SMetaReader *pReader, SMeta *pMeta, int32_t flags) {
   memset(pReader, 0, sizeof(*pReader));
   pReader->flags = flags;
   pReader->pMeta = pMeta;
+  metaRLock(pMeta);
 }
 
 void metaReaderClear(SMetaReader *pReader) {
+  if (pReader->pMeta) {
+    metaULock(pReader->pMeta);
+  }
   tDecoderClear(&pReader->coder);
   tdbFree(pReader->pBuf);
 }
@@ -264,6 +268,8 @@ STSchema *metaGetTbTSchema(SMeta *pMeta, tb_uid_t uid, int32_t sver) {
   metaReaderClear(&mr);
 
   pSW = metaGetTableSchema(pMeta, quid, sver, 0);
+  if (!pSW) return NULL;
+  
   tdInitTSchemaBuilder(&sb, 0);
   for (int i = 0; i < pSW->nCols; i++) {
     pSchema = pSW->pSchema + i;
diff --git a/source/dnode/vnode/src/meta/metaTable.c b/source/dnode/vnode/src/meta/metaTable.c
index 7663047429..20248f39fb 100644
--- a/source/dnode/vnode/src/meta/metaTable.c
+++ b/source/dnode/vnode/src/meta/metaTable.c
@@ -439,29 +439,36 @@ _exit:
 }
 
 static int metaHandleEntry(SMeta *pMeta, const SMetaEntry *pME) {
+  metaWLock(pMeta);
+
   // save to table.db
-  if (metaSaveToTbDb(pMeta, pME) < 0) return -1;
+  if (metaSaveToTbDb(pMeta, pME) < 0) goto _err;
 
   // update uid.idx
-  if (metaUpdateUidIdx(pMeta, pME) < 0) return -1;
+  if (metaUpdateUidIdx(pMeta, pME) < 0) goto _err;
 
   // update name.idx
-  if (metaUpdateNameIdx(pMeta, pME) < 0) return -1;
+  if (metaUpdateNameIdx(pMeta, pME) < 0) goto _err;
 
   if (pME->type == TSDB_CHILD_TABLE) {
     // update ctb.idx
-    if (metaUpdateCtbIdx(pMeta, pME) < 0) return -1;
+    if (metaUpdateCtbIdx(pMeta, pME) < 0) goto _err;
 
     // update tag.idx
-    if (metaUpdateTagIdx(pMeta, pME) < 0) return -1;
+    if (metaUpdateTagIdx(pMeta, pME) < 0) goto _err;
   } else {
     // update schema.db
-    if (metaSaveToSkmDb(pMeta, pME) < 0) return -1;
+    if (metaSaveToSkmDb(pMeta, pME) < 0) goto _err;
   }
 
   if (pME->type != TSDB_SUPER_TABLE) {
-    if (metaUpdateTtlIdx(pMeta, pME) < 0) return -1;
+    if (metaUpdateTtlIdx(pMeta, pME) < 0) goto _err;
   }
 
+  metaULock(pMeta);
   return 0;
+
+_err:
+  metaULock(pMeta);
+  return -1;
 }
\ No newline at end of file
diff --git a/source/dnode/vnode/src/tsdb/tsdbCommit.c b/source/dnode/vnode/src/tsdb/tsdbCommit.c
index 5f54e0cb48..031d200a66 100644
--- a/source/dnode/vnode/src/tsdb/tsdbCommit.c
+++ b/source/dnode/vnode/src/tsdb/tsdbCommit.c
@@ -382,6 +382,7 @@ static int tsdbCommitToFile(SCommitH *pCommith, SDFileSet *pSet, int fid) {
     } else {
       break;
     }
+
     if (pIter && pIter->pTable && (!pIdx || (pIter->pTable->uid <= pIdx->uid))) {
       if (tsdbCommitToTable(pCommith, mIter) < 0) {
         tsdbCloseCommitFile(pCommith, true);
@@ -394,6 +395,9 @@ static int tsdbCommitToFile(SCommitH *pCommith, SDFileSet *pSet, int fid) {
         ++fIter;
       }
       ++mIter;
+    } else if (pIter && !pIter->pTable) {
+      // When table already dropped during commit, pIter is not NULL but pIter->pTable is NULL.
+      ++mIter; // skip the table and do nothing
     } else if (pIdx) {
       if (tsdbMoveBlkIdx(pCommith, pIdx) < 0) {
         tsdbCloseCommitFile(pCommith, true);
@@ -439,6 +443,7 @@ static int tsdbCreateCommitIters(SCommitH *pCommith) {
   SCommitIter       *pCommitIter;
   SSkipListNode     *pNode;
   STbData           *pTbData;
+  STSchema          *pTSchema = NULL;
 
   pCommith->niters = SL_SIZE(pMem->pSlIdx);
   pCommith->iters = (SCommitIter *)taosMemoryCalloc(pCommith->niters, sizeof(SCommitIter));
@@ -459,13 +464,17 @@ static int tsdbCreateCommitIters(SCommitH *pCommith) {
     pTbData = (STbData *)pNode->pData;
 
     pCommitIter = pCommith->iters + i;
-    pCommitIter->pIter = tSkipListCreateIter(pTbData->pData);
-    tSkipListIterNext(pCommitIter->pIter);
+    pTSchema = metaGetTbTSchema(REPO_META(pRepo), pTbData->uid, 0);  // TODO: schema version
 
-    pCommitIter->pTable = (STable *)taosMemoryMalloc(sizeof(STable));
-    pCommitIter->pTable->uid = pTbData->uid;
-    pCommitIter->pTable->tid = pTbData->uid;
-    pCommitIter->pTable->pSchema = metaGetTbTSchema(REPO_META(pRepo), pTbData->uid, 0);
+    if (pTSchema) {
+      pCommitIter->pIter = tSkipListCreateIter(pTbData->pData);
+      tSkipListIterNext(pCommitIter->pIter);
+
+      pCommitIter->pTable = (STable *)taosMemoryMalloc(sizeof(STable));
+      pCommitIter->pTable->uid = pTbData->uid;
+      pCommitIter->pTable->tid = pTbData->uid;
+      pCommitIter->pTable->pSchema = pTSchema;  // metaGetTbTSchema(REPO_META(pRepo), pTbData->uid, 0);
+    }
   }
 
   return 0;
diff --git a/source/dnode/vnode/src/tsdb/tsdbMemTable.c b/source/dnode/vnode/src/tsdb/tsdbMemTable.c
index 384f3fd489..d40a73eb67 100644
--- a/source/dnode/vnode/src/tsdb/tsdbMemTable.c
+++ b/source/dnode/vnode/src/tsdb/tsdbMemTable.c
@@ -290,7 +290,7 @@ int tsdbLoadDataFromCache(STable *pTable, SSkipListIterator *pIter, TSKEY maxKey
   return 0;
 }
 
-int tsdbInsertTableData(STsdb *pTsdb, SSubmitMsgIter *pMsgIter, SSubmitBlk *pBlock, int32_t *pAffectedRows) {
+int tsdbInsertTableData(STsdb *pTsdb, SSubmitMsgIter *pMsgIter, SSubmitBlk *pBlock, SSubmitBlkRsp *pRsp) {
   SSubmitBlkIter blkIter = {0};
   STsdbMemTable *pMemTable = pTsdb->mem;
   void          *tptr;
@@ -344,7 +344,8 @@ int tsdbInsertTableData(STsdb *pTsdb, SSubmitMsgIter *pMsgIter, SSubmitBlk *pBlo
   if (pMemTable->keyMin > keyMin) pMemTable->keyMin = keyMin;
   if (pMemTable->keyMax < keyMax) pMemTable->keyMax = keyMax;
 
-  (*pAffectedRows) = pMsgIter->numOfRows;
+  pRsp->numOfRows = pMsgIter->numOfRows;
+  pRsp->affectedRows = pMsgIter->numOfRows;
 
   return 0;
 }
diff --git a/source/dnode/vnode/src/tsdb/tsdbMemTable2.c b/source/dnode/vnode/src/tsdb/tsdbMemTable2.c
index 3168ff53f6..2acca738fb 100644
--- a/source/dnode/vnode/src/tsdb/tsdbMemTable2.c
+++ b/source/dnode/vnode/src/tsdb/tsdbMemTable2.c
@@ -38,7 +38,7 @@ struct SMemTable {
 
 struct SMemSkipListNode {
   int8_t            level;
-  SMemSkipListNode *forwards[];
+  SMemSkipListNode *forwards[1]; // Windows does not allow 0 
 };
 
 struct SMemSkipList {
@@ -46,7 +46,7 @@ struct SMemSkipList {
   int8_t           maxLevel;
   int8_t           level;
   int32_t          size;
-  SMemSkipListNode pHead[];
+  SMemSkipListNode pHead[1]; // Windows does not allow 0 
 };
 
 struct SMemData {
diff --git a/source/dnode/vnode/src/tsdb/tsdbRead.c b/source/dnode/vnode/src/tsdb/tsdbRead.c
index 4638066935..2511e3a570 100644
--- a/source/dnode/vnode/src/tsdb/tsdbRead.c
+++ b/source/dnode/vnode/src/tsdb/tsdbRead.c
@@ -3870,6 +3870,7 @@ int32_t tsdbQuerySTableByTagCond(void* pMeta, uint64_t uid, TSKEY skey, const ch
 
   if (metaGetTableEntryByUid(&mr, uid) < 0) {
     tsdbError("%p failed to get stable, uid:%" PRIu64 ", TID:0x%" PRIx64 " QID:0x%" PRIx64, pMeta, uid, taskId, reqId);
+    metaReaderClear(&mr);
     terrno = TSDB_CODE_PAR_TABLE_NOT_EXIST;
     goto _error;
   } else {
@@ -3880,6 +3881,7 @@ int32_t tsdbQuerySTableByTagCond(void* pMeta, uint64_t uid, TSKEY skey, const ch
     tsdbError("%p query normal tag not allowed, uid:%" PRIu64 ", TID:0x%" PRIx64 " QID:0x%" PRIx64, pMeta, uid, taskId,
               reqId);
     terrno = TSDB_CODE_OPS_NOT_SUPPORT;  // basically, this error is caused by invalid sql issued by client
+    metaReaderClear(&mr);
     goto _error;
   }
 
diff --git a/source/dnode/vnode/src/tsdb/tsdbWrite.c b/source/dnode/vnode/src/tsdb/tsdbWrite.c
index 5a7892a750..3107c6f5c7 100644
--- a/source/dnode/vnode/src/tsdb/tsdbWrite.c
+++ b/source/dnode/vnode/src/tsdb/tsdbWrite.c
@@ -36,9 +36,10 @@ int tsdbInsertData(STsdb *pTsdb, int64_t version, SSubmitReq *pMsg, SSubmitRsp *
   // loop to insert
   tInitSubmitMsgIter(pMsg, &msgIter);
   while (true) {
+    SSubmitBlkRsp r = {0};
     tGetSubmitMsgNext(&msgIter, &pBlock);
     if (pBlock == NULL) break;
-    if (tsdbInsertTableData(pTsdb, &msgIter, pBlock, &affectedrows) < 0) {
+    if (tsdbInsertTableData(pTsdb, &msgIter, pBlock, &r) < 0) {
       return -1;
     }
 
@@ -46,8 +47,8 @@ int tsdbInsertData(STsdb *pTsdb, int64_t version, SSubmitReq *pMsg, SSubmitRsp *
   }
 
   if (pRsp != NULL) {
-    pRsp->affectedRows = affectedrows;
-    pRsp->numOfRows = numOfRows;
+    // pRsp->affectedRows = affectedrows;
+    // pRsp->numOfRows = numOfRows;
   }
 
   return 0;
diff --git a/source/dnode/vnode/src/vnd/vnodeQuery.c b/source/dnode/vnode/src/vnd/vnodeQuery.c
index 3e869650bf..8156e6c512 100644
--- a/source/dnode/vnode/src/vnd/vnodeQuery.c
+++ b/source/dnode/vnode/src/vnd/vnodeQuery.c
@@ -119,7 +119,7 @@ _exit:
   taosMemoryFree(metaRsp.pSchemas);
   metaReaderClear(&mer2);
   metaReaderClear(&mer1);
-  return code;
+  return TSDB_CODE_SUCCESS;
 }
 
 int32_t vnodeGetLoad(SVnode *pVnode, SVnodeLoad *pLoad) {
diff --git a/source/dnode/vnode/src/vnd/vnodeSvr.c b/source/dnode/vnode/src/vnd/vnodeSvr.c
index 630a7ffd43..fc2b6fe676 100644
--- a/source/dnode/vnode/src/vnd/vnodeSvr.c
+++ b/source/dnode/vnode/src/vnd/vnodeSvr.c
@@ -502,55 +502,66 @@ _exit:
   return 0;
 }
 
+static int vnodeDebugPrintSingleSubmitMsg(SMeta         *pMeta, SSubmitBlk  *pBlock, SSubmitMsgIter *msgIter, const char *tags) {
+  SSubmitBlkIter blkIter = {0};
+  STSchema      *pSchema = NULL;
+  tb_uid_t       suid = 0;
+  STSRow        *row = NULL;
+
+  tInitSubmitBlkIter(msgIter, pBlock, &blkIter);
+  if (blkIter.row == NULL) return 0;
+  if (!pSchema || (suid != msgIter->suid)) {
+    if (pSchema) {
+      taosMemoryFreeClear(pSchema);
+    }
+    pSchema = metaGetTbTSchema(pMeta, msgIter->suid, 0);  // TODO: use the real schema
+    if (pSchema) {
+      suid = msgIter->suid;
+    }
+  }
+  if (!pSchema) {
+    printf("%s:%d no valid schema\n", tags, __LINE__);
+    return -1;
+  }
+  char __tags[128] = {0};
+  snprintf(__tags, 128, "%s: uid %" PRIi64 " ", tags, msgIter->uid);
+  while ((row = tGetSubmitBlkNext(&blkIter))) {
+    tdSRowPrint(row, pSchema, __tags);
+  }
+
+  taosMemoryFreeClear(pSchema);
+
+  return TSDB_CODE_SUCCESS;
+}
+
 static int vnodeDebugPrintSubmitMsg(SVnode *pVnode, SSubmitReq *pMsg, const char *tags) {
   ASSERT(pMsg != NULL);
   SSubmitMsgIter msgIter = {0};
   SMeta         *pMeta = pVnode->pMeta;
   SSubmitBlk    *pBlock = NULL;
-  SSubmitBlkIter blkIter = {0};
-  STSRow        *row = NULL;
-  STSchema      *pSchema = NULL;
-  tb_uid_t       suid = 0;
 
   if (tInitSubmitMsgIter(pMsg, &msgIter) < 0) return -1;
   while (true) {
     if (tGetSubmitMsgNext(&msgIter, &pBlock) < 0) return -1;
     if (pBlock == NULL) break;
-    tInitSubmitBlkIter(&msgIter, pBlock, &blkIter);
-    if (blkIter.row == NULL) continue;
-    if (!pSchema || (suid != msgIter.suid)) {
-      if (pSchema) {
-        taosMemoryFreeClear(pSchema);
-      }
-      pSchema = metaGetTbTSchema(pMeta, msgIter.suid, 0);  // TODO: use the real schema
-      if (pSchema) {
-        suid = msgIter.suid;
-      }
-    }
-    if (!pSchema) {
-      printf("%s:%d no valid schema\n", tags, __LINE__);
-      continue;
-    }
-    char __tags[128] = {0};
-    snprintf(__tags, 128, "%s: uid %" PRIi64 " ", tags, msgIter.uid);
-    while ((row = tGetSubmitBlkNext(&blkIter))) {
-      tdSRowPrint(row, pSchema, __tags);
-    }
+    
+    vnodeDebugPrintSingleSubmitMsg(pMeta, pBlock, &msgIter, tags);
   }
 
-  taosMemoryFreeClear(pSchema);
-
   return 0;
 }
 
 static int vnodeProcessSubmitReq(SVnode *pVnode, int64_t version, void *pReq, int32_t len, SRpcMsg *pRsp) {
   SSubmitReq    *pSubmitReq = (SSubmitReq *)pReq;
+  SSubmitRsp     submitRsp = {0};
   SSubmitMsgIter msgIter = {0};
   SSubmitBlk    *pBlock;
   SSubmitRsp     rsp = {0};
   SVCreateTbReq  createTbReq = {0};
   SDecoder       decoder = {0};
   int32_t        nRows;
+  int32_t        tsize, ret;
+  SEncoder       encoder = {0};
 
   pRsp->code = 0;
 
@@ -564,12 +575,17 @@ static int vnodeProcessSubmitReq(SVnode *pVnode, int64_t version, void *pReq, in
     goto _exit;
   }
 
-  for (;;) {
+  submitRsp.pArray = taosArrayInit(pSubmitReq->numOfBlocks, sizeof(SSubmitBlkRsp));
+  for (int i = 0;;) {
     tGetSubmitMsgNext(&msgIter, &pBlock);
     if (pBlock == NULL) break;
 
+    SSubmitBlkRsp submitBlkRsp = {0};
+
     // create table for auto create table mode
     if (msgIter.schemaLen > 0) {
+      submitBlkRsp.hashMeta = 1;
+
       tDecoderInit(&decoder, pBlock->data, msgIter.schemaLen);
       if (tDecodeSVCreateTbReq(&decoder, &createTbReq) < 0) {
         pRsp->code = TSDB_CODE_INVALID_MSG;
@@ -585,6 +601,10 @@ static int vnodeProcessSubmitReq(SVnode *pVnode, int64_t version, void *pReq, in
         }
       }
 
+      submitBlkRsp.uid = createTbReq.uid;
+      submitBlkRsp.tblFName = taosMemoryMalloc(strlen(pVnode->config.dbname) + strlen(createTbReq.name) + 2);
+      sprintf(submitBlkRsp.tblFName, "%s.%s", pVnode->config.dbname, createTbReq.name);
+
       msgIter.uid = createTbReq.uid;
       if (createTbReq.type == TSDB_CHILD_TABLE) {
         msgIter.suid = createTbReq.ctb.suid;
@@ -592,22 +612,33 @@ static int vnodeProcessSubmitReq(SVnode *pVnode, int64_t version, void *pReq, in
         msgIter.suid = 0;
       }
 
+      vnodeDebugPrintSingleSubmitMsg(pVnode->pMeta, pBlock, &msgIter, "real uid");
       tDecoderClear(&decoder);
     }
 
-    if (tsdbInsertTableData(pVnode->pTsdb, &msgIter, pBlock, &nRows) < 0) {
+    if (tsdbInsertTableData(pVnode->pTsdb, &msgIter, pBlock, &submitBlkRsp) < 0) {
       pRsp->code = terrno;
       goto _exit;
     }
 
-    rsp.affectedRows += nRows;
+    submitRsp.numOfRows += submitBlkRsp.numOfRows;
+    submitRsp.affectedRows += submitBlkRsp.affectedRows;
+    taosArrayPush(submitRsp.pArray, &submitBlkRsp);
   }
 
 _exit:
-  // encode the response (TODO)
-  pRsp->pCont = rpcMallocCont(sizeof(SSubmitRsp));
-  memcpy(pRsp->pCont, &rsp, sizeof(rsp));
-  pRsp->contLen = sizeof(SSubmitRsp);
+  tEncodeSize(tEncodeSSubmitRsp, &submitRsp, tsize, ret);
+  pRsp->pCont = rpcMallocCont(tsize);
+  pRsp->contLen = tsize;
+  tEncoderInit(&encoder, pRsp->pCont, tsize);
+  tEncodeSSubmitRsp(&encoder, &submitRsp);
+  tEncoderClear(&encoder);
+
+  for (int32_t i = 0; i < taosArrayGetSize(submitRsp.pArray); i++) {
+    taosMemoryFree(((SSubmitBlkRsp *)taosArrayGet(submitRsp.pArray, i))[0].tblFName);
+  }
+
+  taosArrayDestroy(submitRsp.pArray);
 
   tsdbTriggerRSma(pVnode->pTsdb, pReq, STREAM_DATA_TYPE_SUBMIT_BLOCK);
 
diff --git a/source/libs/executor/inc/indexoperator.h b/source/libs/executor/inc/indexoperator.h
index 9e67ac7f41..d033c63ef8 100644
--- a/source/libs/executor/inc/indexoperator.h
+++ b/source/libs/executor/inc/indexoperator.h
@@ -13,11 +13,23 @@
  * along with this program. If not, see <http://www.gnu.org/licenses/>.
  */
 
-#include "filter.h"
+#ifndef _INDEX_OPERATOR_H
+#define _INDEX_OPERATOR_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+#include "nodes.h"
 #include "tglobal.h"
 
 typedef enum { SFLT_NOT_INDEX, SFLT_COARSE_INDEX, SFLT_ACCURATE_INDEX } SIdxFltStatus;
 
 SIdxFltStatus idxGetFltStatus(SNode *pFilterNode);
 // construct tag filter operator later
-int32_t doFilterTag(const SNode *pFilterNode, SArray *resutl);
+int32_t doFilterTag(const SNode *pFilterNode, SArray *result);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /*INDEX_OPERATOR_*/
diff --git a/source/libs/executor/src/indexoperator.c b/source/libs/executor/src/indexoperator.c
index fe30ebb2ea..c17fcacf1f 100644
--- a/source/libs/executor/src/indexoperator.c
+++ b/source/libs/executor/src/indexoperator.c
@@ -583,7 +583,7 @@ int32_t doFilterTag(const SNode *pFilterNode, SArray *result) {
 
   SFilterInfo *filter = NULL;
   // todo move to the initialization function
-  SIF_ERR_RET(filterInitFromNode((SNode *)pFilterNode, &filter, 0));
+  // SIF_ERR_RET(filterInitFromNode((SNode *)pFilterNode, &filter, 0));
 
   SIFParam param = {0};
   SIF_ERR_RET(sifCalculate((SNode *)pFilterNode, &param));
@@ -598,9 +598,9 @@ SIdxFltStatus idxGetFltStatus(SNode *pFilterNode) {
   if (pFilterNode == NULL) {
     return SFLT_NOT_INDEX;
   }
-  SFilterInfo *filter = NULL;
+  // SFilterInfo *filter = NULL;
   // todo move to the initialization function
-  SIF_ERR_RET(filterInitFromNode((SNode *)pFilterNode, &filter, 0));
+  // SIF_ERR_RET(filterInitFromNode((SNode *)pFilterNode, &filter, 0));
 
   SIF_ERR_RET(sifGetFltHint((SNode *)pFilterNode, &st));
   return st;
diff --git a/source/libs/executor/test/executorTests.cpp b/source/libs/executor/test/executorTests.cpp
index 5ed960af82..c7ec0eece2 100644
--- a/source/libs/executor/test/executorTests.cpp
+++ b/source/libs/executor/test/executorTests.cpp
@@ -948,10 +948,6 @@ TEST(testCase, build_executor_tree_Test) {
   code = qCreateExecTask(&handle, 2, 1, plan, (void**)&pTaskInfo, &sinkHandle, OPTR_EXEC_MODEL_BATCH);
   ASSERT_EQ(code, 0);
 }
-TEST(testCase, index_plan_test) {
-  // add later
-  EXPECT_EQ(0, 0);
-}
 #if 0
 
 TEST(testCase, inMem_sort_Test) {
diff --git a/source/libs/executor/test/indexexcutorTests.cpp b/source/libs/executor/test/indexexcutorTests.cpp
new file mode 100644
index 0000000000..5f1bff45a3
--- /dev/null
+++ b/source/libs/executor/test/indexexcutorTests.cpp
@@ -0,0 +1,253 @@
+/*
+ * Copyright (c) 2019 TAOS Data, Inc. <jhtao@taosdata.com>
+ *
+ * This program is free software: you can use, redistribute, and/or modify
+ * it under the terms of the GNU Affero General Public License, version 3
+ * or later ("AGPL"), as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <gtest/gtest.h>
+#include <tglobal.h>
+#include <tsort.h>
+#include <iostream>
+
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wwrite-strings"
+#pragma GCC diagnostic ignored "-Wunused-function"
+#pragma GCC diagnostic ignored "-Wunused-variable"
+#pragma GCC diagnostic ignored "-Wsign-compare"
+
+#include "executor.h"
+#include "executorimpl.h"
+#include "indexoperator.h"
+#include "os.h"
+
+#include "stub.h"
+#include "taos.h"
+#include "tcompare.h"
+#include "tdatablock.h"
+#include "tdef.h"
+#include "trpc.h"
+#include "tvariant.h"
+
+namespace {
+SColumnInfo createColumnInfo(int32_t colId, int32_t type, int32_t bytes) {
+  SColumnInfo info = {0};
+  info.colId = colId;
+  info.type = type;
+  info.bytes = bytes;
+  return info;
+}
+
+int64_t sifLeftV = 21, sifRightV = 10;
+double  sifLeftVd = 21.0, sifRightVd = 10.0;
+
+void sifFreeDataBlock(void *block) { blockDataDestroy(*(SSDataBlock **)block); }
+
+void sifInitLogFile() {
+  const char *  defaultLogFileNamePrefix = "taoslog";
+  const int32_t maxLogFileNum = 10;
+
+  tsAsyncLog = 0;
+  qDebugFlag = 159;
+  strcpy(tsLogDir, "/tmp/sif");
+  taosRemoveDir(tsLogDir);
+  taosMkDir(tsLogDir);
+
+  if (taosInitLog(defaultLogFileNamePrefix, maxLogFileNum) < 0) {
+    printf("failed to open log file in directory:%s\n", tsLogDir);
+  }
+}
+
+void sifAppendReservedSlot(SArray *pBlockList, int16_t *dataBlockId, int16_t *slotId, bool newBlock, int32_t rows,
+                           SColumnInfo *colInfo) {
+  if (newBlock) {
+    SSDataBlock *res = (SSDataBlock *)taosMemoryCalloc(1, sizeof(SSDataBlock));
+    res->info.numOfCols = 1;
+    res->info.rows = rows;
+    res->pDataBlock = taosArrayInit(1, sizeof(SColumnInfoData));
+    SColumnInfoData idata = {0};
+    idata.info = *colInfo;
+
+    taosArrayPush(res->pDataBlock, &idata);
+    taosArrayPush(pBlockList, &res);
+
+    blockDataEnsureCapacity(res, rows);
+
+    *dataBlockId = taosArrayGetSize(pBlockList) - 1;
+    res->info.blockId = *dataBlockId;
+    *slotId = 0;
+  } else {
+    SSDataBlock *res = *(SSDataBlock **)taosArrayGetLast(pBlockList);
+    res->info.numOfCols++;
+    SColumnInfoData idata = {0};
+    idata.info = *colInfo;
+
+    colInfoDataEnsureCapacity(&idata, 0, rows);
+
+    taosArrayPush(res->pDataBlock, &idata);
+
+    *dataBlockId = taosArrayGetSize(pBlockList) - 1;
+    *slotId = taosArrayGetSize(res->pDataBlock) - 1;
+  }
+}
+
+void sifMakeValueNode(SNode **pNode, int32_t dataType, void *value) {
+  SNode *     node = (SNode *)nodesMakeNode(QUERY_NODE_VALUE);
+  SValueNode *vnode = (SValueNode *)node;
+  vnode->node.resType.type = dataType;
+
+  if (IS_VAR_DATA_TYPE(dataType)) {
+    vnode->datum.p = (char *)taosMemoryMalloc(varDataTLen(value));
+    varDataCopy(vnode->datum.p, value);
+    vnode->node.resType.bytes = varDataTLen(value);
+  } else {
+    vnode->node.resType.bytes = tDataTypes[dataType].bytes;
+    assignVal((char *)nodesGetValueFromNode(vnode), (const char *)value, 0, dataType);
+  }
+
+  *pNode = (SNode *)vnode;
+}
+
+void sifMakeColumnNode(SNode **pNode, const char *db, const char *colName, EColumnType colType, uint8_t colValType) {
+  SNode *      node = (SNode *)nodesMakeNode(QUERY_NODE_COLUMN);
+  SColumnNode *rnode = (SColumnNode *)node;
+  memcpy(rnode->dbName, db, strlen(db));
+  memcpy(rnode->colName, colName, strlen(colName));
+
+  rnode->colType = colType;
+  rnode->node.resType.type = colValType;
+
+  *pNode = (SNode *)rnode;
+}
+
+void sifMakeOpNode(SNode **pNode, EOperatorType opType, int32_t resType, SNode *pLeft, SNode *pRight) {
+  SNode *        node = (SNode *)nodesMakeNode(QUERY_NODE_OPERATOR);
+  SOperatorNode *onode = (SOperatorNode *)node;
+  onode->node.resType.type = resType;
+  onode->node.resType.bytes = tDataTypes[resType].bytes;
+
+  onode->opType = opType;
+  onode->pLeft = pLeft;
+  onode->pRight = pRight;
+
+  *pNode = (SNode *)onode;
+}
+
+void sifMakeListNode(SNode **pNode, SNodeList *list, int32_t resType) {
+  SNode *        node = (SNode *)nodesMakeNode(QUERY_NODE_NODE_LIST);
+  SNodeListNode *lnode = (SNodeListNode *)node;
+  lnode->dataType.type = resType;
+  lnode->pNodeList = list;
+
+  *pNode = (SNode *)lnode;
+}
+
+void sifMakeLogicNode(SNode **pNode, ELogicConditionType opType, SNode **nodeList, int32_t nodeNum) {
+  SNode *              node = (SNode *)nodesMakeNode(QUERY_NODE_LOGIC_CONDITION);
+  SLogicConditionNode *onode = (SLogicConditionNode *)node;
+  onode->condType = opType;
+  onode->node.resType.type = TSDB_DATA_TYPE_BOOL;
+  onode->node.resType.bytes = sizeof(bool);
+
+  onode->pParameterList = nodesMakeList();
+  for (int32_t i = 0; i < nodeNum; ++i) {
+    nodesListAppend(onode->pParameterList, nodeList[i]);
+  }
+
+  *pNode = (SNode *)onode;
+}
+
+void sifMakeTargetNode(SNode **pNode, int16_t dataBlockId, int16_t slotId, SNode *snode) {
+  SNode *      node = (SNode *)nodesMakeNode(QUERY_NODE_TARGET);
+  STargetNode *onode = (STargetNode *)node;
+  onode->pExpr = snode;
+  onode->dataBlockId = dataBlockId;
+  onode->slotId = slotId;
+
+  *pNode = (SNode *)onode;
+}
+
+}  // namespace
+
+#if 1
+TEST(testCase, index_filter) {
+  {
+    SNode *pLeft = NULL, *pRight = NULL, *opNode = NULL, *res = NULL;
+    sifMakeColumnNode(&pLeft, "test", "col", COLUMN_TYPE_TAG, TSDB_DATA_TYPE_INT);
+    sifMakeValueNode(&pRight, TSDB_DATA_TYPE_INT, &sifRightV);
+    sifMakeOpNode(&opNode, OP_TYPE_LOWER_THAN, TSDB_DATA_TYPE_INT, pLeft, pRight);
+    SArray *result = taosArrayInit(4, sizeof(uint64_t));
+    doFilterTag(opNode, result);
+    EXPECT_EQ(1, taosArrayGetSize(result));
+    taosArrayDestroy(result);
+    nodesDestroyNode(res);
+  }
+  {
+    SNode *pLeft = NULL, *pRight = NULL, *opNode = NULL, *res = NULL;
+    sifMakeColumnNode(&pLeft, "test", "col", COLUMN_TYPE_TAG, TSDB_DATA_TYPE_INT);
+    sifMakeValueNode(&pRight, TSDB_DATA_TYPE_INT, &sifRightV);
+    sifMakeOpNode(&opNode, OP_TYPE_LOWER_THAN, TSDB_DATA_TYPE_DOUBLE, pLeft, pRight);
+
+    SArray *result = taosArrayInit(4, sizeof(uint64_t));
+    doFilterTag(opNode, result);
+    EXPECT_EQ(1, taosArrayGetSize(result));
+
+    taosArrayDestroy(result);
+    nodesDestroyNode(res);
+  }
+}
+
+TEST(testCase, index_filter_varify) {
+  {
+    SNode *pLeft = NULL, *pRight = NULL, *opNode = NULL, *res = NULL;
+    sifMakeColumnNode(&pLeft, "test", "col", COLUMN_TYPE_TAG, TSDB_DATA_TYPE_INT);
+    sifMakeValueNode(&pRight, TSDB_DATA_TYPE_INT, &sifRightV);
+    sifMakeOpNode(&opNode, OP_TYPE_LOWER_THAN, TSDB_DATA_TYPE_INT, pLeft, pRight);
+    nodesDestroyNode(res);
+
+    SIdxFltStatus st = idxGetFltStatus(opNode);
+    EXPECT_EQ(st, SFLT_ACCURATE_INDEX);
+  }
+  {
+    SNode *pLeft = NULL, *pRight = NULL, *opNode = NULL, *res = NULL;
+    sifMakeColumnNode(&pLeft, "test", "col", COLUMN_TYPE_TAG, TSDB_DATA_TYPE_INT);
+    sifMakeValueNode(&pRight, TSDB_DATA_TYPE_INT, &sifRightV);
+    sifMakeOpNode(&opNode, OP_TYPE_LOWER_THAN, TSDB_DATA_TYPE_DOUBLE, pLeft, pRight);
+
+    SIdxFltStatus st = idxGetFltStatus(opNode);
+    EXPECT_EQ(st, SFLT_COARSE_INDEX);
+    nodesDestroyNode(res);
+  }
+  {
+    SNode *pLeft = NULL, *pRight = NULL, *opNode = NULL, *res = NULL;
+    sifMakeColumnNode(&pLeft, "test", "col", COLUMN_TYPE_TAG, TSDB_DATA_TYPE_INT);
+    sifMakeValueNode(&pRight, TSDB_DATA_TYPE_INT, &sifRightV);
+    sifMakeOpNode(&opNode, OP_TYPE_GREATER_THAN, TSDB_DATA_TYPE_INT, pLeft, pRight);
+    nodesDestroyNode(res);
+
+    SIdxFltStatus st = idxGetFltStatus(opNode);
+    EXPECT_EQ(st, SFLT_ACCURATE_INDEX);
+  }
+  {
+    SNode *pLeft = NULL, *pRight = NULL, *opNode = NULL, *res = NULL;
+    sifMakeColumnNode(&pLeft, "test", "col", COLUMN_TYPE_TAG, TSDB_DATA_TYPE_INT);
+    sifMakeValueNode(&pRight, TSDB_DATA_TYPE_INT, &sifRightV);
+    sifMakeOpNode(&opNode, OP_TYPE_GREATER_THAN, TSDB_DATA_TYPE_DOUBLE, pLeft, pRight);
+
+    SIdxFltStatus st = idxGetFltStatus(opNode);
+    EXPECT_EQ(st, SFLT_COARSE_INDEX);
+    nodesDestroyNode(res);
+  }
+}
+
+#endif
+
+#pragma GCC diagnostic pop
diff --git a/source/libs/function/src/builtins.c b/source/libs/function/src/builtins.c
index 4928f75131..00a87ab236 100644
--- a/source/libs/function/src/builtins.c
+++ b/source/libs/function/src/builtins.c
@@ -239,7 +239,7 @@ static int32_t translateLeastSQR(SFunctionNode* pFunc, char* pErrBuf, int32_t le
     }
   }
 
-  pFunc->node.resType = (SDataType) { .bytes = 64, .type = TSDB_DATA_TYPE_BINARY };
+  pFunc->node.resType = (SDataType){.bytes = 64, .type = TSDB_DATA_TYPE_BINARY};
   return TSDB_CODE_SUCCESS;
 }
 
@@ -1042,26 +1042,6 @@ const SBuiltinFuncDefinition funcMgtBuiltins[] = {
     .sprocessFunc = timezoneFunction,
     .finalizeFunc = NULL
   },
-  {
-    .name = "_rowts",
-    .type = FUNCTION_TYPE_ROWTS,
-    .classification = FUNC_MGT_PSEUDO_COLUMN_FUNC,
-    .translateFunc = translateTimePseudoColumn,
-    .getEnvFunc   = getTimePseudoFuncEnv,
-    .initFunc     = NULL,
-    .sprocessFunc = NULL,
-    .finalizeFunc = NULL
-  },
-  {
-    .name = "_c0",
-    .type = FUNCTION_TYPE_ROWTS,
-    .classification = FUNC_MGT_PSEUDO_COLUMN_FUNC,
-    .translateFunc = translateTimePseudoColumn,
-    .getEnvFunc   = getTimePseudoFuncEnv,
-    .initFunc     = NULL,
-    .sprocessFunc = NULL,
-    .finalizeFunc = NULL
-  },
   {
     .name = "tbname",
     .type = FUNCTION_TYPE_TBNAME,
diff --git a/source/libs/parser/inc/parInsertData.h b/source/libs/parser/inc/parInsertData.h
index 0627ed1066..e19f54dff3 100644
--- a/source/libs/parser/inc/parInsertData.h
+++ b/source/libs/parser/inc/parInsertData.h
@@ -137,7 +137,7 @@ void destroyBlockArrayList(SArray* pDataBlockList);
 void destroyBlockHashmap(SHashObj* pDataBlockHash);
 int  initRowBuilder(SRowBuilder *pBuilder, int16_t schemaVer, SParsedDataColInfo *pColInfo);
 int32_t allocateMemIfNeed(STableDataBlocks *pDataBlock, int32_t rowSize, int32_t * numOfRows);
-int32_t getDataBlockFromList(SHashObj* pHashList, int64_t id, int32_t size, int32_t startOffset, int32_t rowSize,
+int32_t getDataBlockFromList(SHashObj* pHashList, void* id, int32_t idLen, int32_t size, int32_t startOffset, int32_t rowSize,
      STableMeta* pTableMeta, STableDataBlocks** dataBlocks, SArray* pBlockList, SVCreateTbReq* pCreateTbReq);
 int32_t mergeTableDataBlocks(SHashObj* pHashObj, uint8_t payloadType, SArray** pVgDataBlocks);
 int32_t buildCreateTbMsg(STableDataBlocks* pBlocks, SVCreateTbReq* pCreateTbReq);
diff --git a/source/libs/parser/src/parAstCreater.c b/source/libs/parser/src/parAstCreater.c
index a9481593e0..b7a14a81c6 100644
--- a/source/libs/parser/src/parAstCreater.c
+++ b/source/libs/parser/src/parAstCreater.c
@@ -350,7 +350,18 @@ SNode* createNotBetweenAnd(SAstCreateContext* pCxt, SNode* pExpr, SNode* pLeft,
                                   createOperatorNode(pCxt, OP_TYPE_GREATER_THAN, nodesCloneNode(pExpr), pRight));
 }
 
+static SNode* createPrimaryKeyCol(SAstCreateContext* pCxt) {
+  SColumnNode* pCol = nodesMakeNode(QUERY_NODE_COLUMN);
+  CHECK_OUT_OF_MEM(pCol);
+  pCol->colId = PRIMARYKEY_TIMESTAMP_COL_ID;
+  strcpy(pCol->colName, PK_TS_COL_INTERNAL_NAME);
+  return (SNode*)pCol;
+}
+
 SNode* createFunctionNode(SAstCreateContext* pCxt, const SToken* pFuncName, SNodeList* pParameterList) {
+  if (0 == strncasecmp("_rowts", pFuncName->z, pFuncName->n) || 0 == strncasecmp("_c0", pFuncName->z, pFuncName->n)) {
+    return createPrimaryKeyCol(pCxt);
+  }
   SFunctionNode* func = (SFunctionNode*)nodesMakeNode(QUERY_NODE_FUNCTION);
   CHECK_OUT_OF_MEM(func);
   strncpy(func->functionName, pFuncName->z, pFuncName->n);
@@ -467,13 +478,11 @@ SNode* createSessionWindowNode(SAstCreateContext* pCxt, SNode* pCol, SNode* pGap
 SNode* createStateWindowNode(SAstCreateContext* pCxt, SNode* pExpr) {
   SStateWindowNode* state = (SStateWindowNode*)nodesMakeNode(QUERY_NODE_STATE_WINDOW);
   CHECK_OUT_OF_MEM(state);
-  state->pCol = nodesMakeNode(QUERY_NODE_COLUMN);
+  state->pCol = createPrimaryKeyCol(pCxt);
   if (NULL == state->pCol) {
     nodesDestroyNode(state);
     CHECK_OUT_OF_MEM(state->pCol);
   }
-  ((SColumnNode*)state->pCol)->colId = PRIMARYKEY_TIMESTAMP_COL_ID;
-  strcpy(((SColumnNode*)state->pCol)->colName, PK_TS_COL_INTERNAL_NAME);
   state->pExpr = pExpr;
   return (SNode*)state;
 }
@@ -482,13 +491,11 @@ SNode* createIntervalWindowNode(SAstCreateContext* pCxt, SNode* pInterval, SNode
                                 SNode* pFill) {
   SIntervalWindowNode* interval = (SIntervalWindowNode*)nodesMakeNode(QUERY_NODE_INTERVAL_WINDOW);
   CHECK_OUT_OF_MEM(interval);
-  interval->pCol = nodesMakeNode(QUERY_NODE_COLUMN);
+  interval->pCol = createPrimaryKeyCol(pCxt);
   if (NULL == interval->pCol) {
     nodesDestroyNode(interval);
     CHECK_OUT_OF_MEM(interval->pCol);
   }
-  ((SColumnNode*)interval->pCol)->colId = PRIMARYKEY_TIMESTAMP_COL_ID;
-  strcpy(((SColumnNode*)interval->pCol)->colName, PK_TS_COL_INTERNAL_NAME);
   interval->pInterval = pInterval;
   interval->pOffset = pOffset;
   interval->pSliding = pSliding;
@@ -667,7 +674,7 @@ SNode* setDatabaseOption(SAstCreateContext* pCxt, SNode* pOptions, EDatabaseOpti
     case DB_OPTION_DAYS: {
       SToken* pToken = pVal;
       if (TK_NK_INTEGER == pToken->type) {
-        ((SDatabaseOptions*)pOptions)->daysPerFile = strtol(pToken->z, NULL, 10);
+        ((SDatabaseOptions*)pOptions)->daysPerFile = strtol(pToken->z, NULL, 10) * 1440;
       } else {
         ((SDatabaseOptions*)pOptions)->pDaysPerFile = (SValueNode*)createDurationValueNode(pCxt, pToken);
       }
diff --git a/source/libs/parser/src/parInsert.c b/source/libs/parser/src/parInsert.c
index 64d2934282..3d069257c9 100644
--- a/source/libs/parser/src/parInsert.c
+++ b/source/libs/parser/src/parInsert.c
@@ -237,36 +237,32 @@ static int32_t createSName(SName* pName, SToken* pTableName, int32_t acctId, con
   return code;
 }
 
-static int32_t getTableMetaImpl(SInsertParseContext* pCxt, SToken* pTname, bool isStb) {
+static int32_t getTableMetaImpl(SInsertParseContext* pCxt, SName* name, char *dbFname, bool isStb) {
   SParseContext* pBasicCtx = pCxt->pComCxt;
-  SName          name = {0};
-  createSName(&name, pTname, pBasicCtx->acctId, pBasicCtx->db, &pCxt->msg);
-
-  char dbFname[TSDB_DB_FNAME_LEN] = {0};
-  tNameGetFullDbName(&name, dbFname);
 
   bool pass = false;
-  CHECK_CODE(catalogChkAuth(pBasicCtx->pCatalog, pBasicCtx->pTransporter, &pBasicCtx->mgmtEpSet, pBasicCtx->pUser, dbFname, AUTH_TYPE_WRITE, &pass));
+  CHECK_CODE(catalogChkAuth(pBasicCtx->pCatalog, pBasicCtx->pTransporter, &pBasicCtx->mgmtEpSet, pBasicCtx->pUser,
+                            dbFname, AUTH_TYPE_WRITE, &pass));
   if (!pass) {
     return TSDB_CODE_PAR_PERMISSION_DENIED;
   }
   if (isStb) {
-    CHECK_CODE(catalogGetSTableMeta(pBasicCtx->pCatalog, pBasicCtx->pTransporter, &pBasicCtx->mgmtEpSet, &name,
+    CHECK_CODE(catalogGetSTableMeta(pBasicCtx->pCatalog, pBasicCtx->pTransporter, &pBasicCtx->mgmtEpSet, name,
                                     &pCxt->pTableMeta));
   } else {
-    CHECK_CODE(catalogGetTableMeta(pBasicCtx->pCatalog, pBasicCtx->pTransporter, &pBasicCtx->mgmtEpSet, &name,
+    CHECK_CODE(catalogGetTableMeta(pBasicCtx->pCatalog, pBasicCtx->pTransporter, &pBasicCtx->mgmtEpSet, name,
                                    &pCxt->pTableMeta));
     SVgroupInfo vg;
     CHECK_CODE(
-        catalogGetTableHashVgroup(pBasicCtx->pCatalog, pBasicCtx->pTransporter, &pBasicCtx->mgmtEpSet, &name, &vg));
+        catalogGetTableHashVgroup(pBasicCtx->pCatalog, pBasicCtx->pTransporter, &pBasicCtx->mgmtEpSet, name, &vg));
     CHECK_CODE(taosHashPut(pCxt->pVgroupsHashObj, (const char*)&vg.vgId, sizeof(vg.vgId), (char*)&vg, sizeof(vg)));
   }
   return TSDB_CODE_SUCCESS;
 }
 
-static int32_t getTableMeta(SInsertParseContext* pCxt, SToken* pTname) { return getTableMetaImpl(pCxt, pTname, false); }
+static int32_t getTableMeta(SInsertParseContext* pCxt, SName* name, char *dbFname) { return getTableMetaImpl(pCxt, name, dbFname, false); }
 
-static int32_t getSTableMeta(SInsertParseContext* pCxt, SToken* pTname) { return getTableMetaImpl(pCxt, pTname, 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) {
@@ -349,8 +345,7 @@ static int parseTime(char** end, SToken* pToken, int16_t timePrec, int64_t* time
   } else if (pToken->type == TK_TODAY) {
     ts = taosGetTimestampToday(timePrec);
   } else if (pToken->type == TK_NK_INTEGER) {
-    bool isSigned = false;
-    toInteger(pToken->z, pToken->n, 10, &ts, &isSigned);
+    toInteger(pToken->z, pToken->n, 10, &ts);
   } else {  // parse the RFC-3339/ISO-8601 timestamp format string
     if (taosParseTime(pToken->z, time, pToken->n, timePrec, tsDaylight) != TSDB_CODE_SUCCESS) {
       return buildSyntaxErrMsg(pMsgBuf, "invalid timestamp format", pToken->z);
@@ -453,9 +448,9 @@ static FORCE_INLINE int32_t toDouble(SToken* pToken, double* value, char** endPt
 
 static int32_t parseValueToken(char** end, SToken* pToken, SSchema* pSchema, int16_t timePrec, char* tmpTokenBuf,
                                _row_append_fn_t func, void* param, SMsgBuf* pMsgBuf) {
-  int64_t iv;
-  char*   endptr = NULL;
-  bool    isSigned = false;
+  int64_t  iv;
+  uint64_t uv;
+  char*    endptr = NULL;
 
   int32_t code = checkAndTrimValue(pToken, pSchema->type, tmpTokenBuf, pMsgBuf);
   if (code != TSDB_CODE_SUCCESS) {
@@ -490,7 +485,7 @@ static int32_t parseValueToken(char** end, SToken* pToken, SSchema* pSchema, int
     }
 
     case TSDB_DATA_TYPE_TINYINT: {
-      if (TSDB_CODE_SUCCESS != toInteger(pToken->z, pToken->n, 10, &iv, &isSigned)) {
+      if (TSDB_CODE_SUCCESS != toInteger(pToken->z, pToken->n, 10, &iv)) {
         return buildSyntaxErrMsg(pMsgBuf, "invalid tinyint data", pToken->z);
       } else if (!IS_VALID_TINYINT(iv)) {
         return buildSyntaxErrMsg(pMsgBuf, "tinyint data overflow", pToken->z);
@@ -501,17 +496,17 @@ static int32_t parseValueToken(char** end, SToken* pToken, SSchema* pSchema, int
     }
 
     case TSDB_DATA_TYPE_UTINYINT: {
-      if (TSDB_CODE_SUCCESS != toInteger(pToken->z, pToken->n, 10, &iv, &isSigned)) {
+      if (TSDB_CODE_SUCCESS != toUInteger(pToken->z, pToken->n, 10, &uv)) {
         return buildSyntaxErrMsg(pMsgBuf, "invalid unsigned tinyint data", pToken->z);
-      } else if (!IS_VALID_UTINYINT(iv)) {
+      } else if (!IS_VALID_UTINYINT(uv)) {
         return buildSyntaxErrMsg(pMsgBuf, "unsigned tinyint data overflow", pToken->z);
       }
-      uint8_t tmpVal = (uint8_t)iv;
+      uint8_t tmpVal = (uint8_t)uv;
       return func(pMsgBuf, &tmpVal, pSchema->bytes, param);
     }
 
     case TSDB_DATA_TYPE_SMALLINT: {
-      if (TSDB_CODE_SUCCESS != toInteger(pToken->z, pToken->n, 10, &iv, &isSigned)) {
+      if (TSDB_CODE_SUCCESS != toInteger(pToken->z, pToken->n, 10, &iv)) {
         return buildSyntaxErrMsg(pMsgBuf, "invalid smallint data", pToken->z);
       } else if (!IS_VALID_SMALLINT(iv)) {
         return buildSyntaxErrMsg(pMsgBuf, "smallint data overflow", pToken->z);
@@ -521,17 +516,17 @@ static int32_t parseValueToken(char** end, SToken* pToken, SSchema* pSchema, int
     }
 
     case TSDB_DATA_TYPE_USMALLINT: {
-      if (TSDB_CODE_SUCCESS != toInteger(pToken->z, pToken->n, 10, &iv, &isSigned)) {
+      if (TSDB_CODE_SUCCESS != toUInteger(pToken->z, pToken->n, 10, &uv)) {
         return buildSyntaxErrMsg(pMsgBuf, "invalid unsigned smallint data", pToken->z);
-      } else if (!IS_VALID_USMALLINT(iv)) {
+      } else if (!IS_VALID_USMALLINT(uv)) {
         return buildSyntaxErrMsg(pMsgBuf, "unsigned smallint data overflow", pToken->z);
       }
-      uint16_t tmpVal = (uint16_t)iv;
+      uint16_t tmpVal = (uint16_t)uv;
       return func(pMsgBuf, &tmpVal, pSchema->bytes, param);
     }
 
     case TSDB_DATA_TYPE_INT: {
-      if (TSDB_CODE_SUCCESS != toInteger(pToken->z, pToken->n, 10, &iv, &isSigned)) {
+      if (TSDB_CODE_SUCCESS != toInteger(pToken->z, pToken->n, 10, &iv)) {
         return buildSyntaxErrMsg(pMsgBuf, "invalid int data", pToken->z);
       } else if (!IS_VALID_INT(iv)) {
         return buildSyntaxErrMsg(pMsgBuf, "int data overflow", pToken->z);
@@ -541,17 +536,17 @@ static int32_t parseValueToken(char** end, SToken* pToken, SSchema* pSchema, int
     }
 
     case TSDB_DATA_TYPE_UINT: {
-      if (TSDB_CODE_SUCCESS != toInteger(pToken->z, pToken->n, 10, &iv, &isSigned)) {
+      if (TSDB_CODE_SUCCESS != toUInteger(pToken->z, pToken->n, 10, &uv)) {
         return buildSyntaxErrMsg(pMsgBuf, "invalid unsigned int data", pToken->z);
-      } else if (!IS_VALID_UINT(iv)) {
+      } else if (!IS_VALID_UINT(uv)) {
         return buildSyntaxErrMsg(pMsgBuf, "unsigned int data overflow", pToken->z);
       }
-      uint32_t tmpVal = (uint32_t)iv;
+      uint32_t tmpVal = (uint32_t)uv;
       return func(pMsgBuf, &tmpVal, pSchema->bytes, param);
     }
 
     case TSDB_DATA_TYPE_BIGINT: {
-      if (TSDB_CODE_SUCCESS != toInteger(pToken->z, pToken->n, 10, &iv, &isSigned)) {
+      if (TSDB_CODE_SUCCESS != toInteger(pToken->z, pToken->n, 10, &iv)) {
         return buildSyntaxErrMsg(pMsgBuf, "invalid bigint data", pToken->z);
       } else if (!IS_VALID_BIGINT(iv)) {
         return buildSyntaxErrMsg(pMsgBuf, "bigint data overflow", pToken->z);
@@ -560,13 +555,12 @@ static int32_t parseValueToken(char** end, SToken* pToken, SSchema* pSchema, int
     }
 
     case TSDB_DATA_TYPE_UBIGINT: {
-      if (TSDB_CODE_SUCCESS != toInteger(pToken->z, pToken->n, 10, &iv, &isSigned)) {
+      if (TSDB_CODE_SUCCESS != toUInteger(pToken->z, pToken->n, 10, &uv)) {
         return buildSyntaxErrMsg(pMsgBuf, "invalid unsigned bigint data", pToken->z);
-      } else if (!IS_VALID_UBIGINT((uint64_t)iv)) {
+      } else if (!IS_VALID_UBIGINT(uv)) {
         return buildSyntaxErrMsg(pMsgBuf, "unsigned bigint data overflow", pToken->z);
       }
-      uint64_t tmpVal = (uint64_t)iv;
-      return func(pMsgBuf, &tmpVal, pSchema->bytes, param);
+      return func(pMsgBuf, &uv, pSchema->bytes, param);
     }
 
     case TSDB_DATA_TYPE_FLOAT: {
@@ -771,7 +765,7 @@ static int32_t KvRowAppend(SMsgBuf* pMsgBuf, const void* value, int32_t len, voi
   return TSDB_CODE_SUCCESS;
 }
 
-static int32_t buildCreateTbReq(SVCreateTbReq *pTbReq, const char* tname, SKVRow row, int64_t suid) {
+static int32_t buildCreateTbReq(SVCreateTbReq* pTbReq, const char* tname, SKVRow row, int64_t suid) {
   pTbReq->type = TD_CHILD_TABLE;
   pTbReq->name = strdup(tname);
   pTbReq->ctb.suid = suid;
@@ -842,8 +836,9 @@ static int32_t storeTableMeta(SInsertParseContext* pCxt, SHashObj* pHash, SName*
       catalogGetTableHashVgroup(pBasicCtx->pCatalog, pBasicCtx->pTransporter, &pBasicCtx->mgmtEpSet, pTableName, &vg));
   CHECK_CODE(taosHashPut(pCxt->pVgroupsHashObj, (const char*)&vg.vgId, sizeof(vg.vgId), (char*)&vg, sizeof(vg)));
 
-  pMeta->uid = tGenIdPI64();
+  pMeta->uid = 0;
   pMeta->vgId = vg.vgId;
+  pMeta->tableType = TSDB_CHILD_TABLE;
 
   STableMeta* pBackup = NULL;
   if (TSDB_CODE_SUCCESS != cloneTableMeta(pMeta, &pBackup)) {
@@ -853,11 +848,7 @@ static int32_t storeTableMeta(SInsertParseContext* pCxt, SHashObj* pHash, SName*
 }
 
 // pSql -> stb_name [(tag1_name, ...)] TAGS (tag1_value, ...)
-static int32_t parseUsingClause(SInsertParseContext* pCxt, SToken* pTbnameToken) {
-  SName name;
-  createSName(&name, pTbnameToken, pCxt->pComCxt->acctId, pCxt->pComCxt->db, &pCxt->msg);
-  char tbFName[TSDB_TABLE_FNAME_LEN];
-  tNameExtractFullName(&name, tbFName);
+static int32_t parseUsingClause(SInsertParseContext* pCxt, SName* name, char* tbFName) {
   int32_t      len = strlen(tbFName);
   STableMeta** pMeta = taosHashGet(pCxt->pSubTableHashObj, tbFName, len);
   if (NULL != pMeta) {
@@ -867,11 +858,17 @@ static int32_t parseUsingClause(SInsertParseContext* pCxt, SToken* pTbnameToken)
   SToken sToken;
   // pSql -> stb_name [(tag1_name, ...)] TAGS (tag1_value, ...)
   NEXT_TOKEN(pCxt->pSql, sToken);
-  CHECK_CODE(getSTableMeta(pCxt, &sToken));
+
+  SName sname;
+  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");
   }
-  CHECK_CODE(storeTableMeta(pCxt, pCxt->pSubTableHashObj, &name, tbFName, len, pCxt->pTableMeta));
+  CHECK_CODE(storeTableMeta(pCxt, pCxt->pSubTableHashObj, name, tbFName, len, pCxt->pTableMeta));
 
   SSchema* pTagsSchema = getTableTagSchema(pCxt->pTableMeta);
   setBoundColumnInfo(&pCxt->tags, pTagsSchema, getNumOfTags(pCxt->pTableMeta));
@@ -891,7 +888,7 @@ static int32_t parseUsingClause(SInsertParseContext* pCxt, SToken* pTbnameToken)
   if (TK_NK_LP != sToken.type) {
     return buildSyntaxErrMsg(&pCxt->msg, "( is expected", sToken.z);
   }
-  CHECK_CODE(parseTagsClause(pCxt, pCxt->pTableMeta->schema, getTableInfo(pCxt->pTableMeta).precision, name.tname));
+  CHECK_CODE(parseTagsClause(pCxt, pCxt->pTableMeta->schema, getTableInfo(pCxt->pTableMeta).precision, name->tname));
   NEXT_TOKEN(pCxt->pSql, sToken);
   if (TK_NK_RP != sToken.type) {
     return buildSyntaxErrMsg(&pCxt->msg, ") is expected", sToken.z);
@@ -1066,6 +1063,8 @@ static void destroyInsertParseContext(SInsertParseContext* pCxt) {
 //   [...];
 static int32_t parseInsertBody(SInsertParseContext* pCxt) {
   int32_t tbNum = 0;
+  char tbFName[TSDB_TABLE_FNAME_LEN];
+  bool autoCreateTbl = false;
 
   // for each table
   while (1) {
@@ -1103,16 +1102,21 @@ static int32_t parseInsertBody(SInsertParseContext* pCxt) {
     SToken tbnameToken = sToken;
     NEXT_TOKEN(pCxt->pSql, sToken);
 
+    SName name;
+    createSName(&name, &tbnameToken, pCxt->pComCxt->acctId, pCxt->pComCxt->db, &pCxt->msg);
+    tNameExtractFullName(&name, tbFName);
+
     // USING cluase
     if (TK_USING == sToken.type) {
-      CHECK_CODE(parseUsingClause(pCxt, &tbnameToken));
+      CHECK_CODE(parseUsingClause(pCxt, &name, tbFName));
       NEXT_TOKEN(pCxt->pSql, sToken);
+      autoCreateTbl = true;
     } else {
-      CHECK_CODE(getTableMeta(pCxt, &tbnameToken));
+      CHECK_CODE(getTableMeta(pCxt, &name, tbFName));
     }
 
     STableDataBlocks* dataBuf = NULL;
-    CHECK_CODE(getDataBlockFromList(pCxt->pTableBlockHashObj, pCxt->pTableMeta->uid, TSDB_DEFAULT_PAYLOAD_SIZE,
+    CHECK_CODE(getDataBlockFromList(pCxt->pTableBlockHashObj, tbFName, strlen(tbFName), TSDB_DEFAULT_PAYLOAD_SIZE,
                                     sizeof(SSubmitBlk), getTableInfo(pCxt->pTableMeta).rowSize, pCxt->pTableMeta,
                                     &dataBuf, NULL, &pCxt->createTblReq));
 
@@ -1154,10 +1158,9 @@ static int32_t parseInsertBody(SInsertParseContext* pCxt) {
       return TSDB_CODE_TSC_OUT_OF_MEMORY;
     }
     memcpy(tags, &pCxt->tags, sizeof(pCxt->tags));
-    (*pCxt->pStmtCb->setBindInfoFn)(pCxt->pStmtCb->pStmt, pCxt->pTableMeta, tags);
-    memset(&pCxt->tags, 0, sizeof(pCxt->tags));
+    (*pCxt->pStmtCb->setInfoFn)(pCxt->pStmtCb->pStmt, pCxt->pTableMeta, tags, tbFName, autoCreateTbl, pCxt->pVgroupsHashObj, pCxt->pTableBlockHashObj);
 
-    (*pCxt->pStmtCb->setExecInfoFn)(pCxt->pStmtCb->pStmt, pCxt->pVgroupsHashObj, pCxt->pTableBlockHashObj);
+    memset(&pCxt->tags, 0, sizeof(pCxt->tags));
     pCxt->pVgroupsHashObj = NULL;
     pCxt->pTableBlockHashObj = NULL;
     pCxt->pTableMeta = NULL;
@@ -1194,7 +1197,7 @@ int32_t parseInsertSql(SParseContext* pContext, SQuery** pQuery) {
                                         &context.pTableBlockHashObj);
   } else {
     context.pVgroupsHashObj = taosHashInit(128, taosGetDefaultHashFunction(TSDB_DATA_TYPE_INT), true, false);
-    context.pTableBlockHashObj = taosHashInit(128, taosGetDefaultHashFunction(TSDB_DATA_TYPE_BIGINT), true, false);
+    context.pTableBlockHashObj = taosHashInit(128, taosGetDefaultHashFunction(TSDB_DATA_TYPE_BINARY), true, false);
   }
 
   if (NULL == context.pVgroupsHashObj || NULL == context.pTableBlockHashObj || NULL == context.pSubTableHashObj ||
@@ -1273,9 +1276,10 @@ int32_t qBuildStmtOutput(SQuery* pQuery, SHashObj* pVgHash, SHashObj* pBlockHash
   return TSDB_CODE_SUCCESS;
 }
 
-int32_t qBindStmtTagsValue(void *pBlock, void *boundTags, int64_t suid, char *tName, TAOS_MULTI_BIND *bind, char *msgBuf, int32_t msgBufLen){
-  STableDataBlocks *pDataBlock = (STableDataBlocks *)pBlock;
-  SMsgBuf pBuf = {.buf = msgBuf, .len = msgBufLen};
+int32_t qBindStmtTagsValue(void* pBlock, void* boundTags, int64_t suid, char* tName, TAOS_MULTI_BIND* bind,
+                           char* msgBuf, int32_t msgBufLen) {
+  STableDataBlocks*   pDataBlock = (STableDataBlocks*)pBlock;
+  SMsgBuf             pBuf = {.buf = msgBuf, .len = msgBufLen};
   SParsedDataColInfo* tags = (SParsedDataColInfo*)boundTags;
   if (NULL == tags) {
     return TSDB_CODE_QRY_APP_ERROR;
@@ -1389,7 +1393,6 @@ int32_t qBindStmtColsValue(void* pBlock, TAOS_MULTI_BIND* bind, char* msgBuf, in
     tdSRowPrint(row, pSTSchema, __func__);
     taosMemoryFree(pSTSchema);
 #endif
-
     pDataBlock->size += extendedRowSize;
   }
 
@@ -1476,6 +1479,7 @@ int32_t qBindStmtSingleColValue(void* pBlock, TAOS_MULTI_BIND* bind, char* msgBu
       taosMemoryFree(pSTSchema);
     }
 #endif
+
   }
 
   if (rowEnd) {
@@ -1550,16 +1554,16 @@ int32_t qBuildStmtColFields(void* pBlock, int32_t* fieldNum, TAOS_FIELD** fields
 // schemaless logic start
 
 typedef struct SmlExecHandle {
-  SHashObj*    pBlockHash;
+  SHashObj* pBlockHash;
 
-  SParsedDataColInfo tags;      // each table
-  SKVRowBuilder tagsBuilder;    // each table
-  SVCreateTbReq createTblReq;   // each table
+  SParsedDataColInfo tags;          // each table
+  SKVRowBuilder      tagsBuilder;   // each table
+  SVCreateTbReq      createTblReq;  // each table
 
   SQuery* pQuery;
 } SSmlExecHandle;
 
-static int32_t smlBoundColumnData(SArray *cols, SParsedDataColInfo* pColList, SSchema* pSchema) {
+static int32_t smlBoundColumnData(SArray* cols, SParsedDataColInfo* pColList, SSchema* pSchema) {
   col_id_t nCols = pColList->numOfCols;
 
   pColList->numOfBound = 0;
@@ -1572,8 +1576,8 @@ static int32_t smlBoundColumnData(SArray *cols, SParsedDataColInfo* pColList, SS
   bool     isOrdered = true;
   col_id_t lastColIdx = -1;  // last column found
   for (int i = 0; i < taosArrayGetSize(cols); ++i) {
-    SSmlKv *kv = taosArrayGetP(cols, i);
-    SToken sToken = {.n=kv->keyLen, .z=(char*)kv->key};
+    SSmlKv*  kv = taosArrayGetP(cols, i);
+    SToken   sToken = {.n = kv->keyLen, .z = (char*)kv->key};
     col_id_t t = lastColIdx + 1;
     col_id_t index = findCol(&sToken, t, nCols, pSchema);
     if (index < 0 && t > 0) {
@@ -1622,7 +1626,7 @@ static int32_t smlBoundColumnData(SArray *cols, SParsedDataColInfo* pColList, SS
     qsort(pColIdx, pColList->numOfBound, sizeof(SBoundIdxInfo), boundIdxCompar);
   }
 
-  if(pColList->numOfCols > pColList->numOfBound){
+  if (pColList->numOfCols > pColList->numOfBound) {
     memset(&pColList->boundColumns[pColList->numOfBound], 0,
            sizeof(col_id_t) * (pColList->numOfCols - pColList->numOfBound));
   }
@@ -1630,50 +1634,50 @@ static int32_t smlBoundColumnData(SArray *cols, SParsedDataColInfo* pColList, SS
   return TSDB_CODE_SUCCESS;
 }
 
-static int32_t smlBuildTagRow(SArray *cols, SKVRowBuilder *tagsBuilder, SParsedDataColInfo* tags, SSchema* pSchema, SKVRow *row, SMsgBuf *msg) {
+static int32_t smlBuildTagRow(SArray* cols, SKVRowBuilder* tagsBuilder, SParsedDataColInfo* tags, SSchema* pSchema,
+                              SKVRow* row, SMsgBuf* msg) {
   if (tdInitKVRowBuilder(tagsBuilder) < 0) {
     return TSDB_CODE_TSC_OUT_OF_MEMORY;
   }
 
   SKvParam param = {.builder = tagsBuilder};
   for (int i = 0; i < tags->numOfBound; ++i) {
-    SSchema* pTagSchema = &pSchema[tags->boundColumns[i] - 1]; // colId starts with 1
+    SSchema* pTagSchema = &pSchema[tags->boundColumns[i] - 1];  // colId starts with 1
     param.schema = pTagSchema;
-    SSmlKv *kv = taosArrayGetP(cols, i);
-    KvRowAppend(msg, kv->value, kv->valueLen, &param) ;
+    SSmlKv* kv = taosArrayGetP(cols, i);
+    KvRowAppend(msg, kv->value, kv->valueLen, &param);
   }
 
-
   *row = tdGetKVRowFromBuilder(tagsBuilder);
-  if(*row == NULL){
+  if (*row == NULL) {
     return TSDB_CODE_SML_INVALID_DATA;
   }
   tdSortKVRowByColIdx(*row);
   return TSDB_CODE_SUCCESS;
 }
 
-int32_t smlBindData(void *handle, SArray *tags, SArray *colsFormat, SArray *colsSchema, SArray *cols, bool format,
-                    STableMeta *pTableMeta, char *tableName, char *msgBuf, int16_t msgBufLen) {
+int32_t smlBindData(void* handle, SArray* tags, SArray* colsFormat, SArray* colsSchema, SArray* cols, bool format,
+                    STableMeta* pTableMeta, char* tableName, char* msgBuf, int16_t msgBufLen) {
   SMsgBuf pBuf = {.buf = msgBuf, .len = msgBufLen};
 
-  SSmlExecHandle *smlHandle = (SSmlExecHandle *)handle;
-  SSchema* pTagsSchema = getTableTagSchema(pTableMeta);
+  SSmlExecHandle* smlHandle = (SSmlExecHandle*)handle;
+  SSchema*        pTagsSchema = getTableTagSchema(pTableMeta);
   setBoundColumnInfo(&smlHandle->tags, pTagsSchema, getNumOfTags(pTableMeta));
   int ret = smlBoundColumnData(tags, &smlHandle->tags, pTagsSchema);
-  if(ret != TSDB_CODE_SUCCESS){
+  if (ret != TSDB_CODE_SUCCESS) {
     buildInvalidOperationMsg(&pBuf, "bound tags error");
     return ret;
   }
   SKVRow row = NULL;
   ret = smlBuildTagRow(tags, &smlHandle->tagsBuilder, &smlHandle->tags, pTagsSchema, &row, &pBuf);
-  if(ret != TSDB_CODE_SUCCESS){
+  if (ret != TSDB_CODE_SUCCESS) {
     return ret;
   }
 
   buildCreateTbReq(&smlHandle->createTblReq, tableName, row, pTableMeta->suid);
 
   STableDataBlocks* pDataBlock = NULL;
-  ret = getDataBlockFromList(smlHandle->pBlockHash, pTableMeta->uid, TSDB_DEFAULT_PAYLOAD_SIZE,
+  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){
@@ -1684,35 +1688,35 @@ int32_t smlBindData(void *handle, SArray *tags, SArray *colsFormat, SArray *cols
   SSchema* pSchema = getTableColumnSchema(pTableMeta);
 
   ret = smlBoundColumnData(colsSchema, &pDataBlock->boundColumnInfo, pSchema);
-  if(ret != TSDB_CODE_SUCCESS){
+  if (ret != TSDB_CODE_SUCCESS) {
     buildInvalidOperationMsg(&pBuf, "bound cols error");
     return ret;
   }
-  int32_t extendedRowSize = getExtendedRowSize(pDataBlock);
+  int32_t             extendedRowSize = getExtendedRowSize(pDataBlock);
   SParsedDataColInfo* spd = &pDataBlock->boundColumnInfo;
   SRowBuilder*        pBuilder = &pDataBlock->rowBuilder;
-  SMemParam param = {.rb = pBuilder};
+  SMemParam           param = {.rb = pBuilder};
 
   initRowBuilder(&pDataBlock->rowBuilder, pDataBlock->pTableMeta->sversion, &pDataBlock->boundColumnInfo);
 
   int32_t rowNum = format ? taosArrayGetSize(colsFormat) : taosArrayGetSize(cols);
-  if(rowNum <= 0) {
+  if (rowNum <= 0) {
     return buildInvalidOperationMsg(&pBuf, "cols size <= 0");
   }
   ret = allocateMemForSize(pDataBlock, extendedRowSize * rowNum);
-  if(ret != TSDB_CODE_SUCCESS){
+  if (ret != TSDB_CODE_SUCCESS) {
     buildInvalidOperationMsg(&pBuf, "allocate memory error");
     return ret;
   }
   for (int32_t r = 0; r < rowNum; ++r) {
     STSRow* row = (STSRow*)(pDataBlock->pData + pDataBlock->size);  // skip the SSubmitBlk header
     tdSRowResetBuf(pBuilder, row);
-    void *rowData = NULL;
+    void*  rowData = NULL;
     size_t rowDataSize = 0;
-    if(format){
+    if (format) {
       rowData = taosArrayGetP(colsFormat, r);
       rowDataSize = taosArrayGetSize(rowData);
-    }else{
+    } else {
       rowData = taosArrayGetP(cols, r);
     }
 
@@ -1723,19 +1727,20 @@ int32_t smlBindData(void *handle, SArray *tags, SArray *colsFormat, SArray *cols
       param.schema = pColSchema;
       getSTSRowAppendInfo(pBuilder->rowType, spd, c, &param.toffset, &param.colIdx);
 
-      SSmlKv *kv = NULL;
-      if(format){
-        if(j < rowDataSize){
+      SSmlKv* kv = NULL;
+      if (format) {
+        if (j < rowDataSize) {
           kv = taosArrayGetP(rowData, j);
-          if (rowDataSize != spd->numOfBound && (kv->keyLen != strlen(pColSchema->name) || strncmp(kv->key, pColSchema->name, kv->keyLen) != 0)){
+          if (rowDataSize != spd->numOfBound &&
+              (kv->keyLen != strlen(pColSchema->name) || strncmp(kv->key, pColSchema->name, kv->keyLen) != 0)) {
             kv = NULL;
-          }else{
+          } else {
             j++;
           }
         }
-      }else{
-        void **p =taosHashGet(rowData, pColSchema->name, strlen(pColSchema->name));
-        if(p) kv = *p;
+      } else {
+        void** p = taosHashGet(rowData, pColSchema->name, strlen(pColSchema->name));
+        if (p) kv = *p;
       }
 
       if (!kv || kv->length == 0) {
@@ -1744,7 +1749,7 @@ int32_t smlBindData(void *handle, SArray *tags, SArray *colsFormat, SArray *cols
         int32_t colLen = pColSchema->bytes;
         if (IS_VAR_DATA_TYPE(pColSchema->type)) {
           colLen = kv->length;
-        } else if(pColSchema->type == TSDB_DATA_TYPE_TIMESTAMP){
+        } else if (pColSchema->type == TSDB_DATA_TYPE_TIMESTAMP) {
           kv->i = convertTimePrecision(kv->i, TSDB_TIME_PRECISION_NANO, pTableMeta->tableInfo.precision);
         }
 
@@ -1753,7 +1758,7 @@ int32_t smlBindData(void *handle, SArray *tags, SArray *colsFormat, SArray *cols
 
       if (PRIMARYKEY_TIMESTAMP_COL_ID == pColSchema->colId) {
         TSKEY tsKey = TD_ROW_KEY(row);
-        checkTimestamp(pDataBlock, (const char *)&tsKey);
+        checkTimestamp(pDataBlock, (const char*)&tsKey);
       }
     }
 
@@ -1770,7 +1775,7 @@ int32_t smlBindData(void *handle, SArray *tags, SArray *colsFormat, SArray *cols
     pDataBlock->size += extendedRowSize;
   }
 
-  SSubmitBlk *pBlocks = (SSubmitBlk *)(pDataBlock->pData);
+  SSubmitBlk* pBlocks = (SSubmitBlk*)(pDataBlock->pData);
   if (TSDB_CODE_SUCCESS != setBlockInfo(pBlocks, pDataBlock, rowNum)) {
     return buildInvalidOperationMsg(&pBuf, "too many rows in sql, total number of rows should be less than 32767");
   }
@@ -1778,25 +1783,24 @@ int32_t smlBindData(void *handle, SArray *tags, SArray *colsFormat, SArray *cols
   return TSDB_CODE_SUCCESS;
 }
 
-void* smlInitHandle(SQuery *pQuery){
-  SSmlExecHandle *handle = taosMemoryCalloc(1, sizeof(SSmlExecHandle));
-  if(!handle) return NULL;
+void* smlInitHandle(SQuery* pQuery) {
+  SSmlExecHandle* handle = taosMemoryCalloc(1, sizeof(SSmlExecHandle));
+  if (!handle) return NULL;
   handle->pBlockHash = taosHashInit(16, taosGetDefaultHashFunction(TSDB_DATA_TYPE_BIGINT), true, false);
   handle->pQuery = pQuery;
 
   return handle;
 }
 
-void smlDestroyHandle(void *pHandle){
-  if(!pHandle) return;
-  SSmlExecHandle *handle = (SSmlExecHandle *)pHandle;
+void smlDestroyHandle(void* pHandle) {
+  if (!pHandle) return;
+  SSmlExecHandle* handle = (SSmlExecHandle*)pHandle;
   destroyBlockHashmap(handle->pBlockHash);
   taosMemoryFree(handle);
 }
 
 int32_t smlBuildOutput(void* handle, SHashObj* pVgHash) {
-  SSmlExecHandle *smlHandle = (SSmlExecHandle *)handle;
+  SSmlExecHandle* smlHandle = (SSmlExecHandle*)handle;
   return qBuildStmtOutput(smlHandle->pQuery, pVgHash, smlHandle->pBlockHash);
 }
 // schemaless logic end
-
diff --git a/source/libs/parser/src/parInsertData.c b/source/libs/parser/src/parInsertData.c
index c074334722..8deaad6091 100644
--- a/source/libs/parser/src/parInsertData.c
+++ b/source/libs/parser/src/parInsertData.c
@@ -185,11 +185,11 @@ int32_t buildCreateTbMsg(STableDataBlocks* pBlocks, SVCreateTbReq* pCreateTbReq)
   return TSDB_CODE_SUCCESS;
 }
 
-int32_t getDataBlockFromList(SHashObj* pHashList, int64_t id, int32_t size, int32_t startOffset, int32_t rowSize,
+int32_t getDataBlockFromList(SHashObj* pHashList, void* id, int32_t idLen, int32_t size, int32_t startOffset, int32_t rowSize,
                              STableMeta* pTableMeta, STableDataBlocks** dataBlocks, SArray* pBlockList,
                              SVCreateTbReq* pCreateTbReq) {
   *dataBlocks = NULL;
-  STableDataBlocks** t1 = (STableDataBlocks**)taosHashGet(pHashList, (const char*)&id, sizeof(id));
+  STableDataBlocks** t1 = (STableDataBlocks**)taosHashGet(pHashList, (const char*)id, idLen);
   if (t1 != NULL) {
     *dataBlocks = *t1;
   }
@@ -207,7 +207,7 @@ int32_t getDataBlockFromList(SHashObj* pHashList, int64_t id, int32_t size, int3
       }
     }
 
-    taosHashPut(pHashList, (const char*)&id, sizeof(int64_t), (char*)dataBlocks, POINTER_BYTES);
+    taosHashPut(pHashList, (const char*)id, idLen, (char*)dataBlocks, POINTER_BYTES);
     if (pBlockList) {
       taosArrayPush(pBlockList, dataBlocks);
     }
@@ -445,7 +445,7 @@ int32_t mergeTableDataBlocks(SHashObj* pHashObj, uint8_t payloadType, SArray** p
   const int INSERT_HEAD_SIZE = sizeof(SSubmitReq);
   int       code = 0;
   bool      isRawPayload = IS_RAW_PAYLOAD(payloadType);
-  SHashObj* pVnodeDataBlockHashList = taosHashInit(128, taosGetDefaultHashFunction(TSDB_DATA_TYPE_BIGINT), true, false);
+  SHashObj* pVnodeDataBlockHashList = taosHashInit(128, taosGetDefaultHashFunction(TSDB_DATA_TYPE_INT), true, false);
   SArray*   pVnodeDataBlockList = taosArrayInit(8, POINTER_BYTES);
 
   STableDataBlocks** p = taosHashIterate(pHashObj, NULL);
@@ -457,7 +457,7 @@ int32_t mergeTableDataBlocks(SHashObj* pHashObj, uint8_t payloadType, SArray** p
       STableDataBlocks* dataBuf = NULL;
       pOneTableBlock->pTableMeta->vgId = pOneTableBlock->vgId;    // for schemaless, restore origin vgId
       int32_t           ret =
-          getDataBlockFromList(pVnodeDataBlockHashList, pOneTableBlock->vgId, TSDB_PAYLOAD_SIZE, INSERT_HEAD_SIZE, 0,
+          getDataBlockFromList(pVnodeDataBlockHashList, &pOneTableBlock->vgId, sizeof(pOneTableBlock->vgId), TSDB_PAYLOAD_SIZE, INSERT_HEAD_SIZE, 0,
                                pOneTableBlock->pTableMeta, &dataBuf, pVnodeDataBlockList, NULL);
       if (ret != TSDB_CODE_SUCCESS) {
         taosHashCleanup(pVnodeDataBlockHashList);
@@ -620,7 +620,7 @@ int32_t qCloneStmtDataBlock(void** pDst, void* pSrc) {
   return qResetStmtDataBlock(*pDst, false);
 }
 
-int32_t qRebuildStmtDataBlock(void** pDst, void* pSrc) {
+int32_t qRebuildStmtDataBlock(void** pDst, void* pSrc, uint64_t uid, int32_t vgId) {
   int32_t code = qCloneStmtDataBlock(pDst, pSrc);
   if (code) {
     return code;
@@ -633,11 +633,22 @@ int32_t qRebuildStmtDataBlock(void** pDst, void* pSrc) {
     return TSDB_CODE_OUT_OF_MEMORY;
   }
 
+  pBlock->vgId = vgId;
+  
+  if (pBlock->pTableMeta) {
+    pBlock->pTableMeta->uid = uid;
+    pBlock->pTableMeta->vgId = vgId;
+  }
+  
   memset(pBlock->pData, 0, sizeof(SSubmitBlk));
 
   return TSDB_CODE_SUCCESS;
 }
 
+STableMeta *qGetTableMetaInDataBlock(void* pDataBlock) {
+  return ((STableDataBlocks*)pDataBlock)->pTableMeta;
+}
+
 void qFreeStmtDataBlock(void* pDataBlock) {
   if (pDataBlock == NULL) {
     return;
diff --git a/source/libs/parser/src/parTranslater.c b/source/libs/parser/src/parTranslater.c
index 5b984d766c..3fed68188d 100644
--- a/source/libs/parser/src/parTranslater.c
+++ b/source/libs/parser/src/parTranslater.c
@@ -1886,6 +1886,9 @@ static int32_t checkDbKeepOption(STranslateContext* pCxt, SDatabaseOptions* pOpt
         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));
diff --git a/source/libs/parser/test/parInitialCTest.cpp b/source/libs/parser/test/parInitialCTest.cpp
index 80921f59a9..abcb6bca8b 100644
--- a/source/libs/parser/test/parInitialCTest.cpp
+++ b/source/libs/parser/test/parInitialCTest.cpp
@@ -3,7 +3,7 @@
  *
  * 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.
+ * 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
@@ -14,6 +14,7 @@
  */
 
 #include "parTestUtil.h"
+#include "ttime.h"
 
 using namespace std;
 
@@ -26,72 +27,226 @@ class ParserInitialCTest : public ParserDdlTest {};
 TEST_F(ParserInitialCTest, createAccount) {
   useDb("root", "test");
 
-  run("create account ac_wxy pass '123456'", TSDB_CODE_PAR_EXPRIE_STATEMENT);
+  run("CREATE ACCOUNT ac_wxy PASS '123456'", TSDB_CODE_PAR_EXPRIE_STATEMENT);
 }
 
 TEST_F(ParserInitialCTest, createBnode) {
   useDb("root", "test");
 
-  run("create bnode on dnode 1");
+  run("CREATE BNODE ON DNODE 1");
 }
 
+/*
+ * CREATE DATABASE [IF NOT EXISTS] db_name [database_options]
+ *
+ * database_options:
+ *     database_option ...
+ *
+ * database_option: {
+ *     BUFFER value
+ *   | CACHELAST value
+ *   | COMP {0 | 1 | 2}
+ *   | DAYS value
+ *   | FSYNC value
+ *   | MAXROWS value
+ *   | MINROWS value
+ *   | KEEP value
+ *   | PAGES value
+ *   | PAGESIZE  value
+ *   | PRECISION {'ms' | 'us' | 'ns'}
+ *   | REPLICA value
+ *   | RETENTIONS ingestion_duration:keep_duration ...
+ *   | STRICT value
+ *   | WAL value
+ *   | VGROUPS value
+ *   | SINGLE_STABLE {0 | 1}
+ * }
+ */
 TEST_F(ParserInitialCTest, createDatabase) {
   useDb("root", "test");
 
-  run("create database wxy_db");
+  SCreateDbReq expect = {0};
 
-  run("create database if not exists wxy_db "
-      "cachelast 2 "
-      "comp 1 "
-      "days 100 "
-      "fsync 100 "
-      "maxrows 1000 "
-      "minrows 100 "
-      "keep 1440 "
-      "precision 'ms' "
-      "replica 3 "
-      "wal 2 "
-      "vgroups 100 "
-      "single_stable 0 "
-      "retentions 15s:7d,1m:21d,15m:5y");
+  auto setCreateDbReqFunc = [&](const char* pDbname, int8_t igExists = 0) {
+    memset(&expect, 0, sizeof(SCreateDbReq));
+    int32_t len = snprintf(expect.db, sizeof(expect.db), "0.%s", pDbname);
+    expect.db[len] = '\0';
+    expect.ignoreExist = igExists;
+    expect.buffer = TSDB_DEFAULT_BUFFER_PER_VNODE;
+    expect.cacheLastRow = TSDB_DEFAULT_CACHE_LAST_ROW;
+    expect.compression = TSDB_DEFAULT_COMP_LEVEL;
+    expect.daysPerFile = TSDB_DEFAULT_DAYS_PER_FILE;
+    expect.fsyncPeriod = TSDB_DEFAULT_FSYNC_PERIOD;
+    expect.maxRows = TSDB_DEFAULT_MAXROWS_FBLOCK;
+    expect.minRows = TSDB_DEFAULT_MINROWS_FBLOCK;
+    expect.daysToKeep0 = TSDB_DEFAULT_KEEP;
+    expect.daysToKeep1 = TSDB_DEFAULT_KEEP;
+    expect.daysToKeep2 = TSDB_DEFAULT_KEEP;
+    expect.pages = TSDB_DEFAULT_PAGES_PER_VNODE;
+    expect.pageSize = TSDB_DEFAULT_PAGESIZE_PER_VNODE;
+    expect.precision = TSDB_DEFAULT_PRECISION;
+    expect.replications = TSDB_DEFAULT_DB_REPLICA;
+    expect.strict = TSDB_DEFAULT_DB_STRICT;
+    expect.walLevel = TSDB_DEFAULT_WAL_LEVEL;
+    expect.numOfVgroups = TSDB_DEFAULT_VN_PER_DB;
+    expect.numOfStables = TSDB_DEFAULT_DB_SINGLE_STABLE;
+  };
 
-  run("create database if not exists wxy_db "
-      "days 100m "
-      "keep 1440m,300h,400d ");
+  auto setDbBufferFunc = [&](int32_t buffer) { expect.buffer = buffer; };
+  auto setDbCachelastFunc = [&](int8_t CACHELAST) { expect.cacheLastRow = CACHELAST; };
+  auto setDbCompressionFunc = [&](int8_t compressionLevel) { expect.compression = compressionLevel; };
+  auto setDbDaysFunc = [&](int32_t daysPerFile) { expect.daysPerFile = daysPerFile; };
+  auto setDbFsyncFunc = [&](int32_t fsyncPeriod) { expect.fsyncPeriod = fsyncPeriod; };
+  auto setDbMaxRowsFunc = [&](int32_t maxRowsPerBlock) { expect.maxRows = maxRowsPerBlock; };
+  auto setDbMinRowsFunc = [&](int32_t minRowsPerBlock) { expect.minRows = minRowsPerBlock; };
+  auto setDbKeepFunc = [&](int32_t keep0, int32_t keep1 = 0, int32_t keep2 = 0) {
+    expect.daysToKeep0 = keep0;
+    expect.daysToKeep1 = 0 == keep1 ? expect.daysToKeep0 : keep1;
+    expect.daysToKeep2 = 0 == keep2 ? expect.daysToKeep1 : keep2;
+  };
+  auto setDbPagesFunc = [&](int32_t pages) { expect.pages = pages; };
+  auto setDbPageSizeFunc = [&](int32_t pagesize) { expect.pageSize = pagesize; };
+  auto setDbPrecisionFunc = [&](int8_t precision) { expect.precision = precision; };
+  auto setDbReplicaFunc = [&](int8_t replica) { expect.replications = replica; };
+  auto setDbStrictaFunc = [&](int8_t strict) { expect.strict = strict; };
+  auto setDbWalLevelFunc = [&](int8_t walLevel) { expect.walLevel = walLevel; };
+  auto setDbVgroupsFunc = [&](int32_t numOfVgroups) { expect.numOfVgroups = numOfVgroups; };
+  auto setDbSingleStableFunc = [&](int8_t singleStable) { expect.numOfStables = singleStable; };
+  auto addDbRetentionFunc = [&](int64_t freq, int64_t keep, int8_t freqUnit, int8_t keepUnit) {
+    SRetention retention = {0};
+    retention.freq = freq;
+    retention.keep = keep;
+    retention.freqUnit = freqUnit;
+    retention.keepUnit = keepUnit;
+    if (NULL == expect.pRetensions) {
+      expect.pRetensions = taosArrayInit(TARRAY_MIN_SIZE, sizeof(SRetention));
+    }
+    taosArrayPush(expect.pRetensions, &retention);
+    ++expect.numOfRetensions;
+  };
+
+  setCheckDdlFunc([&](const SQuery* pQuery, ParserStage stage) {
+    ASSERT_EQ(nodeType(pQuery->pRoot), QUERY_NODE_CREATE_DATABASE_STMT);
+    SCreateDbReq req = {0};
+    ASSERT_TRUE(TSDB_CODE_SUCCESS == tDeserializeSCreateDbReq(pQuery->pCmdMsg->pMsg, pQuery->pCmdMsg->msgLen, &req));
+
+    ASSERT_EQ(std::string(req.db), std::string(expect.db));
+    ASSERT_EQ(req.numOfVgroups, expect.numOfVgroups);
+    ASSERT_EQ(req.numOfStables, expect.numOfStables);
+    ASSERT_EQ(req.buffer, expect.buffer);
+    ASSERT_EQ(req.pageSize, expect.pageSize);
+    ASSERT_EQ(req.pages, expect.pages);
+    ASSERT_EQ(req.daysPerFile, expect.daysPerFile);
+    ASSERT_EQ(req.daysToKeep0, expect.daysToKeep0);
+    ASSERT_EQ(req.daysToKeep1, expect.daysToKeep1);
+    ASSERT_EQ(req.daysToKeep2, expect.daysToKeep2);
+    ASSERT_EQ(req.minRows, expect.minRows);
+    ASSERT_EQ(req.maxRows, expect.maxRows);
+    ASSERT_EQ(req.fsyncPeriod, expect.fsyncPeriod);
+    ASSERT_EQ(req.walLevel, expect.walLevel);
+    ASSERT_EQ(req.precision, expect.precision);
+    ASSERT_EQ(req.compression, expect.compression);
+    ASSERT_EQ(req.replications, expect.replications);
+    ASSERT_EQ(req.strict, expect.strict);
+    ASSERT_EQ(req.cacheLastRow, expect.cacheLastRow);
+    ASSERT_EQ(req.ignoreExist, expect.ignoreExist);
+    ASSERT_EQ(req.numOfRetensions, expect.numOfRetensions);
+    if (expect.numOfRetensions > 0) {
+      ASSERT_EQ(taosArrayGetSize(req.pRetensions), expect.numOfRetensions);
+      ASSERT_EQ(taosArrayGetSize(req.pRetensions), taosArrayGetSize(expect.pRetensions));
+      for (int32_t i = 0; i < expect.numOfRetensions; ++i) {
+        SRetention* pReten = (SRetention*)taosArrayGet(req.pRetensions, i);
+        SRetention* pExpectReten = (SRetention*)taosArrayGet(expect.pRetensions, i);
+        ASSERT_EQ(pReten->freq, pExpectReten->freq);
+        ASSERT_EQ(pReten->keep, pExpectReten->keep);
+        ASSERT_EQ(pReten->freqUnit, pExpectReten->freqUnit);
+        ASSERT_EQ(pReten->keepUnit, pExpectReten->keepUnit);
+      }
+    }
+  });
+
+  setCreateDbReqFunc("wxy_db");
+  run("CREATE DATABASE wxy_db");
+
+  setCreateDbReqFunc("wxy_db", 1);
+  setDbBufferFunc(64);
+  setDbCachelastFunc(2);
+  setDbCompressionFunc(1);
+  setDbDaysFunc(100 * 1440);
+  setDbFsyncFunc(100);
+  setDbMaxRowsFunc(1000);
+  setDbMinRowsFunc(100);
+  setDbKeepFunc(1440 * 1440);
+  setDbPagesFunc(96);
+  setDbPageSizeFunc(8);
+  setDbPrecisionFunc(TSDB_TIME_PRECISION_NANO);
+  setDbReplicaFunc(3);
+  addDbRetentionFunc(15 * MILLISECOND_PER_SECOND, 7 * MILLISECOND_PER_DAY, TIME_UNIT_SECOND, TIME_UNIT_DAY);
+  addDbRetentionFunc(1 * MILLISECOND_PER_MINUTE, 21 * MILLISECOND_PER_DAY, TIME_UNIT_MINUTE, TIME_UNIT_DAY);
+  addDbRetentionFunc(15 * MILLISECOND_PER_MINUTE, 5, TIME_UNIT_MINUTE, TIME_UNIT_YEAR);
+  setDbStrictaFunc(1);
+  setDbWalLevelFunc(2);
+  setDbVgroupsFunc(100);
+  setDbSingleStableFunc(1);
+  run("CREATE DATABASE IF NOT EXISTS wxy_db "
+      "BUFFER 64 "
+      "CACHELAST 2 "
+      "COMP 1 "
+      "DAYS 100 "
+      "FSYNC 100 "
+      "MAXROWS 1000 "
+      "MINROWS 100 "
+      "KEEP 1440 "
+      "PAGES 96 "
+      "PAGESIZE 8 "
+      "PRECISION 'ns' "
+      "REPLICA 3 "
+      "RETENTIONS 15s:7d,1m:21d,15m:5y "
+      "STRICT 1 "
+      "WAL 2 "
+      "VGROUPS 100 "
+      "SINGLE_STABLE 1 ");
+
+  setCreateDbReqFunc("wxy_db", 1);
+  setDbDaysFunc(100);
+  setDbKeepFunc(1440, 300 * 60, 400 * 1440);
+  run("CREATE DATABASE IF NOT EXISTS wxy_db "
+      "DAYS 100m "
+      "KEEP 1440m,300h,400d ");
 }
 
 TEST_F(ParserInitialCTest, createDnode) {
   useDb("root", "test");
 
-  run("create dnode abc1 port 7000");
+  run("CREATE DNODE abc1 PORT 7000");
 
-  run("create dnode 1.1.1.1 port 9000");
+  run("CREATE DNODE 1.1.1.1 PORT 9000");
 }
 
-// todo create function
+// todo CREATE FUNCTION
 
 TEST_F(ParserInitialCTest, createIndexSma) {
   useDb("root", "test");
 
-  run("create sma index index1 on t1 function(max(c1), min(c3 + 10), sum(c4)) INTERVAL(10s)");
+  run("CREATE SMA INDEX index1 ON t1 FUNCTION(MAX(c1), MIN(c3 + 10), SUM(c4)) INTERVAL(10s)");
 }
 
 TEST_F(ParserInitialCTest, createMnode) {
   useDb("root", "test");
 
-  run("create mnode on dnode 1");
+  run("CREATE MNODE ON DNODE 1");
 }
 
 TEST_F(ParserInitialCTest, createQnode) {
   useDb("root", "test");
 
-  run("create qnode on dnode 1");
+  run("CREATE QNODE ON DNODE 1");
 }
 
 TEST_F(ParserInitialCTest, createSnode) {
   useDb("root", "test");
 
-  run("create snode on dnode 1");
+  run("CREATE SNODE ON DNODE 1");
 }
 
 TEST_F(ParserInitialCTest, createStable) {
@@ -194,7 +349,7 @@ TEST_F(ParserInitialCTest, createStable) {
   addFieldToCreateStbReqFunc(true, "ts", TSDB_DATA_TYPE_TIMESTAMP);
   addFieldToCreateStbReqFunc(true, "c1", TSDB_DATA_TYPE_INT);
   addFieldToCreateStbReqFunc(false, "id", TSDB_DATA_TYPE_INT);
-  run("create stable t1(ts timestamp, c1 int) TAGS(id int)");
+  run("CREATE STABLE t1(ts TIMESTAMP, c1 INT) TAGS(id INT)");
 
   setCreateStbReqFunc("t1", 1, 0.1, 2, 100, "test create table");
   addFieldToCreateStbReqFunc(true, "ts", TSDB_DATA_TYPE_TIMESTAMP, 0, 0);
@@ -227,80 +382,72 @@ TEST_F(ParserInitialCTest, createStable) {
   addFieldToCreateStbReqFunc(false, "a13", TSDB_DATA_TYPE_BOOL);
   addFieldToCreateStbReqFunc(false, "a14", TSDB_DATA_TYPE_NCHAR, 30 * TSDB_NCHAR_SIZE + VARSTR_HEADER_SIZE);
   addFieldToCreateStbReqFunc(false, "a15", TSDB_DATA_TYPE_VARCHAR, 50 + VARSTR_HEADER_SIZE);
-  run("create stable if not exists test.t1("
+  run("CREATE STABLE IF NOT EXISTS test.t1("
       "ts TIMESTAMP, c1 INT, c2 INT UNSIGNED, c3 BIGINT, c4 BIGINT UNSIGNED, c5 FLOAT, c6 DOUBLE, c7 BINARY(20), "
       "c8 SMALLINT, c9 SMALLINT UNSIGNED COMMENT 'test column comment', c10 TINYINT, c11 TINYINT UNSIGNED, c12 BOOL, "
       "c13 NCHAR(30), c14 VARCHAR(50)) "
       "TAGS (a1 TIMESTAMP, a2 INT, a3 INT UNSIGNED, a4 BIGINT, a5 BIGINT UNSIGNED, a6 FLOAT, a7 DOUBLE, "
       "a8 BINARY(20), a9 SMALLINT, a10 SMALLINT UNSIGNED COMMENT 'test column comment', a11 TINYINT, "
       "a12 TINYINT UNSIGNED, a13 BOOL, a14 NCHAR(30), a15 VARCHAR(50)) "
-      "TTL 100 COMMENT 'test create table' SMA(c1, c2, c3) ROLLUP (min) FILE_FACTOR 0.1 DELAY 2");
+      "TTL 100 COMMENT 'test create table' SMA(c1, c2, c3) ROLLUP (MIN) FILE_FACTOR 0.1 DELAY 2");
 }
 
 TEST_F(ParserInitialCTest, createStream) {
   useDb("root", "test");
 
-  run("create stream s1 as select * from t1");
+  run("CREATE STREAM s1 AS SELECT * FROM t1");
 
-  run("create stream if not exists s1 as select * from t1");
+  run("CREATE STREAM IF NOT EXISTS s1 AS SELECT * FROM t1");
 
-  run("create stream s1 into st1 as select * from t1");
+  run("CREATE STREAM s1 INTO st1 AS SELECT * FROM t1");
 
-  run("create stream if not exists s1 trigger window_close watermark 10s into st1 as select * from t1");
+  run("CREATE STREAM IF NOT EXISTS s1 TRIGGER WINDOW_CLOSE WATERMARK 10s INTO st1 AS SELECT * FROM t1");
 }
 
 TEST_F(ParserInitialCTest, createTable) {
   useDb("root", "test");
 
-  run("create table t1(ts timestamp, c1 int)");
+  run("CREATE TABLE t1(ts TIMESTAMP, c1 INT)");
 
-  run("create table if not exists test.t1("
-      "ts TIMESTAMP, c1 INT, c2 INT UNSIGNED, c3 BIGINT, c4 BIGINT UNSIGNED, c5 FLOAT, c6 DOUBLE, c7 BINARY(20), c8 "
-      "SMALLINT, "
-      "c9 SMALLINT UNSIGNED COMMENT 'test column comment', c10 TINYINT, c11 TINYINT UNSIGNED, c12 BOOL, c13 "
-      "NCHAR(30), "
-      "c15 VARCHAR(50)) "
+  run("CREATE TABLE IF NOT EXISTS test.t1("
+      "ts TIMESTAMP, c1 INT, c2 INT UNSIGNED, c3 BIGINT, c4 BIGINT UNSIGNED, c5 FLOAT, c6 DOUBLE, c7 BINARY(20), "
+      "c8 SMALLINT, c9 SMALLINT UNSIGNED COMMENT 'test column comment', c10 TINYINT, c11 TINYINT UNSIGNED, c12 BOOL, "
+      "c13 NCHAR(30), c15 VARCHAR(50)) "
       "TTL 100 COMMENT 'test create table' SMA(c1, c2, c3)");
 
-  run("create table if not exists test.t1("
-      "ts TIMESTAMP, c1 INT, c2 INT UNSIGNED, c3 BIGINT, c4 BIGINT UNSIGNED, c5 FLOAT, c6 DOUBLE, c7 BINARY(20), c8 "
-      "SMALLINT, "
-      "c9 SMALLINT UNSIGNED COMMENT 'test column comment', c10 TINYINT, c11 TINYINT UNSIGNED, c12 BOOL, c13 "
-      "NCHAR(30), "
-      "c15 VARCHAR(50)) "
-      "TAGS (tsa TIMESTAMP, a1 INT, a2 INT UNSIGNED, a3 BIGINT, a4 BIGINT UNSIGNED, "
-      "a5 FLOAT, a6 DOUBLE, a7 "
-      "BINARY(20), a8 SMALLINT, "
-      "a9 SMALLINT UNSIGNED COMMENT 'test column comment', a10 "
-      "TINYINT, a11 TINYINT UNSIGNED, a12 BOOL, a13 NCHAR(30), "
-      "a15 VARCHAR(50)) "
-      "TTL 100 COMMENT 'test create "
-      "table' SMA(c1, c2, c3) ROLLUP (min) FILE_FACTOR 0.1 DELAY 2");
+  run("CREATE TABLE IF NOT EXISTS test.t1("
+      "ts TIMESTAMP, c1 INT, c2 INT UNSIGNED, c3 BIGINT, c4 BIGINT UNSIGNED, c5 FLOAT, c6 DOUBLE, c7 BINARY(20), "
+      "c8 SMALLINT, c9 SMALLINT UNSIGNED COMMENT 'test column comment', c10 TINYINT, c11 TINYINT UNSIGNED, c12 BOOL, "
+      "c13 NCHAR(30), c14 VARCHAR(50)) "
+      "TAGS (a1 TIMESTAMP, a2 INT, a3 INT UNSIGNED, a4 BIGINT, a5 BIGINT UNSIGNED, a6 FLOAT, a7 DOUBLE, a8 BINARY(20), "
+      "a9 SMALLINT, a10 SMALLINT UNSIGNED COMMENT 'test column comment', a11 TINYINT, a12 TINYINT UNSIGNED, a13 BOOL, "
+      "a14 NCHAR(30), a15 VARCHAR(50)) "
+      "TTL 100 COMMENT 'test create table' SMA(c1, c2, c3) ROLLUP (MIN) FILE_FACTOR 0.1 DELAY 2");
 
-  run("create table if not exists t1 using st1 tags(1, 'wxy')");
+  run("CREATE TABLE IF NOT EXISTS t1 USING st1 TAGS(1, 'wxy')");
 
-  run("create table "
-      "if not exists test.t1 using test.st1 (tag1, tag2) tags(1, 'abc') "
-      "if not exists test.t2 using test.st1 (tag1, tag2) tags(2, 'abc') "
-      "if not exists test.t3 using test.st1 (tag1, tag2) tags(3, 'abc') ");
+  run("CREATE TABLE "
+      "IF NOT EXISTS test.t1 USING test.st1 (tag1, tag2) TAGS(1, 'abc') "
+      "IF NOT EXISTS test.t2 USING test.st1 (tag1, tag2) TAGS(2, 'abc') "
+      "IF NOT EXISTS test.t3 USING test.st1 (tag1, tag2) TAGS(3, 'abc') ");
 }
 
 TEST_F(ParserInitialCTest, createTopic) {
   useDb("root", "test");
 
-  run("create topic tp1 as select * from t1");
+  run("CREATE TOPIC tp1 AS SELECT * FROM t1");
 
-  run("create topic if not exists tp1 as select * from t1");
+  run("CREATE TOPIC IF NOT EXISTS tp1 AS SELECT * FROM t1");
 
-  run("create topic tp1 as test");
+  run("CREATE TOPIC tp1 AS test");
 
-  run("create topic if not exists tp1 as test");
+  run("CREATE TOPIC IF NOT EXISTS tp1 AS test");
 }
 
 TEST_F(ParserInitialCTest, createUser) {
   useDb("root", "test");
 
-  run("create user wxy pass '123456'");
+  run("CREATE USER wxy PASS '123456'");
 }
 
 }  // namespace ParserTest
diff --git a/source/libs/planner/src/planner.c b/source/libs/planner/src/planner.c
index 6336377279..9ef4d80660 100644
--- a/source/libs/planner/src/planner.c
+++ b/source/libs/planner/src/planner.c
@@ -16,9 +16,10 @@
 #include "planner.h"
 
 #include "planInt.h"
+#include "scalar.h"
 
 typedef struct SCollectPlaceholderValuesCxt {
-  int32_t    errCode;
+  int32_t errCode;
   SArray* pValues;
 } SCollectPlaceholderValuesCxt;
 
@@ -144,9 +145,10 @@ static int32_t setValueByBindParam(SValueNode* pVal, TAOS_MULTI_BIND* pParam) {
       if (NULL == pVal->datum.p) {
         return TSDB_CODE_OUT_OF_MEMORY;
       }
-      
+
       int32_t output = 0;
-      if (!taosMbsToUcs4(pParam->buffer, inputSize, (TdUcs4*)varDataVal(pVal->datum.p), pVal->node.resType.bytes, &output)) {
+      if (!taosMbsToUcs4(pParam->buffer, inputSize, (TdUcs4*)varDataVal(pVal->datum.p), pVal->node.resType.bytes,
+                         &output)) {
         return errno;
       }
       varDataSetLen(pVal->datum.p, output);
@@ -181,8 +183,8 @@ static int32_t setValueByBindParam(SValueNode* pVal, TAOS_MULTI_BIND* pParam) {
 }
 
 static EDealRes updatePlanQueryId(SNode* pNode, void* pContext) {
-  int64_t queryId = *(uint64_t *)pContext;
-  
+  int64_t queryId = *(uint64_t*)pContext;
+
   if (QUERY_NODE_PHYSICAL_PLAN == nodeType(pNode)) {
     SQueryPlan* planNode = (SQueryPlan*)pNode;
     planNode->queryId = queryId;
@@ -194,10 +196,130 @@ static EDealRes updatePlanQueryId(SNode* pNode, void* pContext) {
   return DEAL_RES_CONTINUE;
 }
 
-int32_t qStmtBindParam(SQueryPlan* pPlan, TAOS_MULTI_BIND* pParams, int32_t colIdx, uint64_t queryId) {
+static int32_t calcConstNode(SNode** pNode) {
+  if (NULL == *pNode) {
+    return TSDB_CODE_SUCCESS;
+  }
+
+  SNode*  pNew = NULL;
+  int32_t code = scalarCalculateConstants(*pNode, &pNew);
+  if (TSDB_CODE_SUCCESS == code) {
+    *pNode = pNew;
+  }
+  return code;
+}
+
+static int32_t calcConstList(SNodeList* pList) {
+  SNode* pNode = NULL;
+  FOREACH(pNode, pList) {
+    SNode*  pNew = NULL;
+    int32_t code = scalarCalculateConstants(pNode, &pNew);
+    if (TSDB_CODE_SUCCESS == code) {
+      REPLACE_NODE(pNew);
+    } else {
+      return code;
+    }
+  }
+  return TSDB_CODE_SUCCESS;
+}
+
+static bool isEmptyResultCond(SNode** pCond) {
+  if (QUERY_NODE_VALUE != nodeType(*pCond)) {
+    return false;
+  }
+  if (((SValueNode*)*pCond)->datum.b) {
+    nodesDestroyNode(*pCond);
+    *pCond = NULL;
+    return false;
+  }
+  return true;
+}
+
+static int32_t calcConstSpecificPhysiNode(SPhysiNode* pPhyNode) {
+  switch (nodeType(pPhyNode)) {
+    case QUERY_NODE_PHYSICAL_PLAN_TAG_SCAN:
+    case QUERY_NODE_PHYSICAL_PLAN_TABLE_SCAN:
+    case QUERY_NODE_PHYSICAL_PLAN_TABLE_SEQ_SCAN:
+    case QUERY_NODE_PHYSICAL_PLAN_STREAM_SCAN:
+    case QUERY_NODE_PHYSICAL_PLAN_SYSTABLE_SCAN:
+    case QUERY_NODE_PHYSICAL_PLAN_EXCHANGE:
+    case QUERY_NODE_PHYSICAL_PLAN_FILL:
+      return TSDB_CODE_SUCCESS;
+    case QUERY_NODE_PHYSICAL_PLAN_PROJECT:
+      return calcConstList(((SProjectPhysiNode*)pPhyNode)->pProjections);
+    case QUERY_NODE_PHYSICAL_PLAN_JOIN:
+      return calcConstNode(&(((SJoinPhysiNode*)pPhyNode)->pOnConditions));
+    case QUERY_NODE_PHYSICAL_PLAN_AGG:
+      return calcConstList(((SAggPhysiNode*)pPhyNode)->pExprs);
+    case QUERY_NODE_PHYSICAL_PLAN_SORT:
+      return calcConstList(((SSortPhysiNode*)pPhyNode)->pExprs);
+    case QUERY_NODE_PHYSICAL_PLAN_INTERVAL:
+    case QUERY_NODE_PHYSICAL_PLAN_STREAM_INTERVAL:
+    case QUERY_NODE_PHYSICAL_PLAN_SESSION_WINDOW:
+    case QUERY_NODE_PHYSICAL_PLAN_STATE_WINDOW:
+      return calcConstList(((SWinodwPhysiNode*)pPhyNode)->pExprs);
+    case QUERY_NODE_PHYSICAL_PLAN_PARTITION:
+      return calcConstList(((SPartitionPhysiNode*)pPhyNode)->pExprs);
+    default:
+      break;
+  }
+  return TSDB_CODE_SUCCESS;
+}
+
+static int32_t calcConstSubplan(SPhysiNode* pPhyNode, bool* pEmptyResult) {
+  int32_t code = calcConstNode(&pPhyNode->pConditions);
+  if (TSDB_CODE_SUCCESS == code) {
+    code = calcConstSpecificPhysiNode(pPhyNode);
+  }
+  if (TSDB_CODE_SUCCESS != code) {
+    return code;
+  }
+
+  *pEmptyResult = isEmptyResultCond(&pPhyNode->pConditions);
+  if (*pEmptyResult) {
+    return TSDB_CODE_SUCCESS;
+  }
+
+  *pEmptyResult = true;
+
+  bool   subEmptyResult = false;
+  SNode* pChild = NULL;
+  FOREACH(pChild, pPhyNode->pChildren) {
+    code = calcConstSubplan((SPhysiNode*)pChild, &subEmptyResult);
+    if (TSDB_CODE_SUCCESS != code) {
+      return code;
+    }
+    if (!subEmptyResult) {
+      *pEmptyResult = false;
+    }
+  }
+
+  return TSDB_CODE_SUCCESS;
+}
+
+static int32_t calcConstPhysiPlan(SQueryPlan* pPlan, bool* pEmptyResult) {
+  *pEmptyResult = true;
+
+  bool           subEmptyResult = false;
+  SNodeListNode* pNode = nodesListGetNode(pPlan->pSubplans, 0);
+  SNode*         pSubplan = NULL;
+  FOREACH(pSubplan, pNode->pNodeList) {
+    int32_t code = calcConstSubplan(((SSubplan*)pSubplan)->pNode, pEmptyResult);
+    if (TSDB_CODE_SUCCESS != code) {
+      return code;
+    }
+    if (!subEmptyResult) {
+      *pEmptyResult = false;
+    }
+  }
+  return TSDB_CODE_SUCCESS;
+}
+
+int32_t qStmtBindParam(SQueryPlan* pPlan, TAOS_MULTI_BIND* pParams, int32_t colIdx, uint64_t queryId,
+                       bool* pEmptyResult) {
   int32_t size = taosArrayGetSize(pPlan->pPlaceholderValues);
   int32_t code = 0;
-  
+
   if (colIdx < 0) {
     for (int32_t i = 0; i < size; ++i) {
       code = setValueByBindParam((SValueNode*)taosArrayGetP(pPlan->pPlaceholderValues, i), pParams + i);
@@ -214,9 +336,10 @@ int32_t qStmtBindParam(SQueryPlan* pPlan, TAOS_MULTI_BIND* pParams, int32_t colI
 
   if (colIdx < 0 || ((colIdx + 1) == size)) {
     nodesWalkPhysiPlan((SNode*)pPlan, updatePlanQueryId, &queryId);
+    code = calcConstPhysiPlan(pPlan, pEmptyResult);
   }
-  
-  return TSDB_CODE_SUCCESS;
+
+  return code;
 }
 
 int32_t qSubPlanToString(const SSubplan* pSubplan, char** pStr, int32_t* pLen) {
diff --git a/source/libs/scalar/src/filter.c b/source/libs/scalar/src/filter.c
index eaab8e1f53..039e6693c2 100644
--- a/source/libs/scalar/src/filter.c
+++ b/source/libs/scalar/src/filter.c
@@ -260,7 +260,7 @@ int8_t filterGetCompFuncIdx(int32_t type, int32_t optr) {
         comparFn = 20;
       } else if (optr == OP_TYPE_LIKE) {
         comparFn = 9;
-      } else if (optr == OP_TYPE_LIKE) {
+      } else if (optr == OP_TYPE_NOT_LIKE) {
         comparFn = 27;
       } else if (optr == OP_TYPE_IN) {
         comparFn = 8;
@@ -3512,7 +3512,8 @@ void fltConvertToTsValueNode(SFltTreeStat *stat, SValueNode* valueNode) {
     valueNode->datum.i = 0;
   }
   taosMemoryFree(timeStr);
-  
+
+  valueNode->typeData = valueNode->datum.i;
   valueNode->node.resType.type = TSDB_DATA_TYPE_TIMESTAMP;
   valueNode->node.resType.bytes = tDataTypes[TSDB_DATA_TYPE_TIMESTAMP].bytes;
 }
diff --git a/source/libs/scalar/src/scalar.c b/source/libs/scalar/src/scalar.c
index 5231890821..28aaafba0a 100644
--- a/source/libs/scalar/src/scalar.c
+++ b/source/libs/scalar/src/scalar.c
@@ -92,8 +92,9 @@ int32_t scalarGenerateSetFromList(void **data, void *pNode, uint32_t type) {
       }
 
       if (IS_VAR_DATA_TYPE(type)) {
-        len = varDataLen(out.columnData->pData);
-        buf = varDataVal(out.columnData->pData);
+        char* data = colDataGetVarData(out.columnData, 0);
+        len = varDataLen(data);
+        buf = varDataVal(data);
       } else {
         len = tDataTypes[type].bytes;
         buf = out.columnData->pData;
@@ -109,7 +110,7 @@ int32_t scalarGenerateSetFromList(void **data, void *pNode, uint32_t type) {
     }
     
     if (taosHashPut(pObj, buf, (size_t)len, NULL, 0)) {
-      sclError("taosHashPut failed");
+      sclError("taosHashPut to set failed");
       SCL_ERR_JRET(TSDB_CODE_QRY_OUT_OF_MEMORY);
     }
 
diff --git a/source/libs/scalar/src/sclvector.c b/source/libs/scalar/src/sclvector.c
index b83147bfee..c9fcaeb32e 100644
--- a/source/libs/scalar/src/sclvector.c
+++ b/source/libs/scalar/src/sclvector.c
@@ -328,9 +328,10 @@ static FORCE_INLINE void varToBool(char *buf, SScalarParam* pOut, int32_t rowInd
 static FORCE_INLINE void varToNchar(char* buf, SScalarParam* pOut, int32_t rowIndex) {
   int32_t len = 0;
   int32_t inputLen = varDataLen(buf);
+  int32_t outputMaxLen = (inputLen + 1) * TSDB_NCHAR_SIZE + VARSTR_HEADER_SIZE;
 
-  char* t = taosMemoryCalloc(1,(inputLen + 1) * TSDB_NCHAR_SIZE + VARSTR_HEADER_SIZE);
-  /*int32_t resLen = */taosMbsToUcs4(varDataVal(buf), inputLen, (TdUcs4*) varDataVal(t), pOut->columnData->info.bytes, &len);
+  char* t = taosMemoryCalloc(1, outputMaxLen);
+  /*int32_t resLen = */taosMbsToUcs4(varDataVal(buf), inputLen, (TdUcs4*) varDataVal(t), outputMaxLen, &len);
   varDataSetLen(t, len);
 
   colDataAppend(pOut->columnData, rowIndex, t, false);
@@ -512,7 +513,7 @@ int32_t vectorConvertToVarData(const SScalarParam* pIn, SScalarParam* pOut, int1
       if (outType == TSDB_DATA_TYPE_NCHAR) {
         varToNchar(tmp, pOut, i);
       } else {
-        colDataAppend(pOutputCol, i, (char *)&value, false);
+        colDataAppend(pOutputCol, i, (char *)tmp, false);
       }
     }
   } else if (IS_UNSIGNED_NUMERIC_TYPE(inType)) {
@@ -529,7 +530,7 @@ int32_t vectorConvertToVarData(const SScalarParam* pIn, SScalarParam* pOut, int1
       if (outType == TSDB_DATA_TYPE_NCHAR) {
         varToNchar(tmp, pOut, i);
       } else {
-        colDataAppend(pOutputCol, i, (char *)&value, false);
+        colDataAppend(pOutputCol, i, (char *)tmp, false);
       }
     }
   } else if (IS_FLOAT_TYPE(inType)) {
@@ -546,7 +547,7 @@ int32_t vectorConvertToVarData(const SScalarParam* pIn, SScalarParam* pOut, int1
       if (outType == TSDB_DATA_TYPE_NCHAR) {
         varToNchar(tmp, pOut, i);
       } else {
-        colDataAppend(pOutputCol, i, (char *)&value, false);
+        colDataAppend(pOutputCol, i, (char *)tmp, false);
       }
     }
   } else {
diff --git a/source/libs/scheduler/inc/schedulerInt.h b/source/libs/scheduler/inc/schedulerInt.h
index 5906ee8970..a90fb7fc2e 100644
--- a/source/libs/scheduler/inc/schedulerInt.h
+++ b/source/libs/scheduler/inc/schedulerInt.h
@@ -159,6 +159,7 @@ typedef struct SSchTask {
 
 typedef struct SSchJobAttr {
   EExplainMode explainMode;
+  bool         needRes;
   bool         syncSchedule;
   bool         queryJob;
   bool         needFlowCtrl;
@@ -190,6 +191,7 @@ typedef struct SSchJob {
   SSchTask        *fetchTask;
   int32_t          errCode;
   SArray          *errList;    // SArray<SQueryErrorInfo>
+  SRWLatch         resLock;
   void            *resData;         //TODO free it or not
   int32_t          resNumOfRows;
   const char      *sql;
diff --git a/source/libs/scheduler/src/scheduler.c b/source/libs/scheduler/src/scheduler.c
index 10e4255022..1ce074c49f 100644
--- a/source/libs/scheduler/src/scheduler.c
+++ b/source/libs/scheduler/src/scheduler.c
@@ -70,7 +70,7 @@ int32_t schInitTask(SSchJob *pJob, SSchTask *pTask, SSubplan *pPlan, SSchLevel *
 }
 
 int32_t schInitJob(SSchJob **pSchJob, SQueryPlan *pDag, void *transport, SArray *pNodeList, const char *sql,
-                   int64_t startTs, bool syncSchedule) {
+                   int64_t startTs, bool needRes, bool syncSchedule) {
   int32_t  code = 0;
   int64_t  refId = -1;
   SSchJob *pJob = taosMemoryCalloc(1, sizeof(SSchJob));
@@ -81,6 +81,7 @@ int32_t schInitJob(SSchJob **pSchJob, SQueryPlan *pDag, void *transport, SArray
 
   pJob->attr.explainMode = pDag->explainInfo.mode;
   pJob->attr.syncSchedule = syncSchedule;
+  pJob->attr.needRes = needRes;
   pJob->transport = transport;
   pJob->sql = sql;
 
@@ -1133,16 +1134,39 @@ int32_t schHandleResponseMsg(SSchJob *pJob, SSchTask *pTask, int32_t msgType, ch
       break;
     }
     case TDMT_VND_SUBMIT_RSP: {
-      if (msg) {
-        SSubmitRsp *rsp = (SSubmitRsp *)msg;
-        SCH_ERR_JRET(rsp->code);
-      }
-
       SCH_ERR_JRET(rspCode);
 
-      SSubmitRsp *rsp = (SSubmitRsp *)msg;
-      if (rsp) {
-        pJob->resNumOfRows += rsp->affectedRows;
+      if (msg) {
+        SDecoder coder = {0};
+        SSubmitRsp *rsp = taosMemoryMalloc(sizeof(*rsp));
+        tDecoderInit(&coder, msg, msgSize);
+        code = tDecodeSSubmitRsp(&coder, rsp);
+        if (code) {
+          SCH_TASK_ELOG("decode submitRsp failed, code:%d", code);
+          tFreeSSubmitRsp(rsp);
+          SCH_ERR_JRET(code);
+        }
+        
+        atomic_add_fetch_32(&pJob->resNumOfRows, rsp->affectedRows);
+        SCH_TASK_DLOG("submit succeed, affectedRows:%d", rsp->affectedRows);
+        
+        if (pJob->attr.needRes) {
+          SCH_LOCK(SCH_WRITE, &pJob->resLock);
+          if (pJob->resData) {
+            SSubmitRsp *sum = pJob->resData;
+            sum->affectedRows += rsp->affectedRows;
+            sum->nBlocks += rsp->nBlocks;
+            sum->pBlocks = taosMemoryRealloc(sum->pBlocks, sum->nBlocks * sizeof(*sum->pBlocks));
+            memcpy(sum->pBlocks + sum->nBlocks - rsp->nBlocks, rsp->pBlocks, rsp->nBlocks * sizeof(*sum->pBlocks));
+            taosMemoryFree(rsp->pBlocks);
+            taosMemoryFree(rsp);
+          } else {        
+            pJob->resData = rsp;
+          }
+          SCH_UNLOCK(SCH_WRITE, &pJob->resLock);
+        } else {
+          tFreeSSubmitRsp(rsp);
+        }
       }
 
       SCH_ERR_RET(schProcessOnTaskSuccess(pJob, pTask));
@@ -2350,7 +2374,7 @@ void schFreeJobImpl(void *job) {
 }
 
 static int32_t schExecJobImpl(void *transport, SArray *pNodeList, SQueryPlan *pDag, int64_t *job, const char *sql,
-                              int64_t startTs, bool syncSchedule) {
+                              int64_t startTs, bool needRes, bool syncSchedule) {
   qDebug("QID:0x%" PRIx64 " job started", pDag->queryId);
 
   if (pNodeList == NULL || taosArrayGetSize(pNodeList) <= 0) {
@@ -2359,7 +2383,7 @@ static int32_t schExecJobImpl(void *transport, SArray *pNodeList, SQueryPlan *pD
 
   int32_t  code = 0;
   SSchJob *pJob = NULL;
-  SCH_ERR_JRET(schInitJob(&pJob, pDag, transport, pNodeList, sql, startTs, syncSchedule));
+  SCH_ERR_JRET(schInitJob(&pJob, pDag, transport, pNodeList, sql, startTs, needRes, syncSchedule));
 
   SCH_ERR_JRET(schLaunchJob(pJob));
 
@@ -2473,7 +2497,7 @@ int32_t schedulerInit(SSchedulerCfg *cfg) {
 }
 
 int32_t schedulerExecJob(void *transport, SArray *nodeList, SQueryPlan *pDag, int64_t *pJob, const char *sql,
-                         int64_t startTs, SQueryResult *pRes) {
+                         int64_t startTs, bool needRes, SQueryResult *pRes) {
   if (NULL == transport || NULL == pDag || NULL == pDag->pSubplans || NULL == pJob || NULL == pRes) {
     SCH_ERR_RET(TSDB_CODE_QRY_INVALID_INPUT);
   }
@@ -2481,13 +2505,17 @@ int32_t schedulerExecJob(void *transport, SArray *nodeList, SQueryPlan *pDag, in
   if (EXPLAIN_MODE_STATIC == pDag->explainInfo.mode) {
     SCH_ERR_RET(schExecStaticExplain(transport, nodeList, pDag, pJob, sql, true));
   } else {
-    SCH_ERR_RET(schExecJobImpl(transport, nodeList, pDag, pJob, sql, startTs, true));
+    SCH_ERR_RET(schExecJobImpl(transport, nodeList, pDag, pJob, sql, startTs, needRes, true));
   }
 
   SSchJob *job = schAcquireJob(*pJob);
 
   pRes->code = atomic_load_32(&job->errCode);
   pRes->numOfRows = job->resNumOfRows;
+  if (needRes) {
+    pRes->res = job->resData;
+    job->resData = NULL;
+  }
 
   schReleaseJob(*pJob);
 
@@ -2502,7 +2530,7 @@ int32_t schedulerAsyncExecJob(void *transport, SArray *pNodeList, SQueryPlan *pD
   if (EXPLAIN_MODE_STATIC == pDag->explainInfo.mode) {
     SCH_ERR_RET(schExecStaticExplain(transport, pNodeList, pDag, pJob, sql, false));
   } else {
-    SCH_ERR_RET(schExecJobImpl(transport, pNodeList, pDag, pJob, sql, 0, false));
+    SCH_ERR_RET(schExecJobImpl(transport, pNodeList, pDag, pJob, sql, 0, false, false));
   }
 
   return TSDB_CODE_SUCCESS;
diff --git a/source/libs/scheduler/test/schedulerTests.cpp b/source/libs/scheduler/test/schedulerTests.cpp
index fc0e05aaf1..09ecd9fffd 100644
--- a/source/libs/scheduler/test/schedulerTests.cpp
+++ b/source/libs/scheduler/test/schedulerTests.cpp
@@ -985,7 +985,7 @@ TEST(insertTest, normalCase) {
   taosThreadCreate(&(thread1), &thattr, schtSendRsp, &insertJobRefId);
 
   SQueryResult res = {0};
-  code = schedulerExecJob(mockPointer, qnodeList, &dag, &insertJobRefId, "insert into tb values(now,1)", 0, &res);
+  code = schedulerExecJob(mockPointer, qnodeList, &dag, &insertJobRefId, "insert into tb values(now,1)", 0, false, &res);
   ASSERT_EQ(code, 0);
   ASSERT_EQ(res.numOfRows, 20);
 
diff --git a/source/libs/sync/src/syncRaftLog.c b/source/libs/sync/src/syncRaftLog.c
index 3ee952fcdf..8aeb9c4856 100644
--- a/source/libs/sync/src/syncRaftLog.c
+++ b/source/libs/sync/src/syncRaftLog.c
@@ -62,7 +62,7 @@ int32_t logStoreAppendEntry(SSyncLogStore* pLogStore, SSyncRaftEntry* pEntry) {
     const char *errStr = tstrerror(err);
     int32_t linuxErr = errno;
     const char *linuxErrMsg = strerror(errno);
-    sError("walWriteWithSyncInfo error, err:%d, msg:%s, linuxErr:%d, linuxErrMsg:%s", err, errStr, linuxErr, linuxErrMsg);
+    sError("walWriteWithSyncInfo error, err:%d %X, msg:%s, linuxErr:%d, linuxErrMsg:%s", err, err, errStr, linuxErr, linuxErrMsg);
     ASSERT(0);
   }    
   //assert(code == 0);
@@ -83,7 +83,7 @@ SSyncRaftEntry* logStoreGetEntry(SSyncLogStore* pLogStore, SyncIndex index) {
       const char *errStr = tstrerror(err);
       int32_t linuxErr = errno;
       const char *linuxErrMsg = strerror(errno);
-      sError("walReadWithHandle error, err:%d, msg:%s, linuxErr:%d, linuxErrMsg:%s", err, errStr, linuxErr, linuxErrMsg);
+      sError("walReadWithHandle error, err:%d %X, msg:%s, linuxErr:%d, linuxErrMsg:%s", err, err, errStr, linuxErr, linuxErrMsg);
       ASSERT(0);
     }    
     //assert(walReadWithHandle(pWalHandle, index) == 0);
@@ -119,7 +119,7 @@ int32_t logStoreTruncate(SSyncLogStore* pLogStore, SyncIndex fromIndex) {
     const char *errStr = tstrerror(err);
     int32_t linuxErr = errno;
     const char *linuxErrMsg = strerror(errno);
-    sError("walRollback error, err:%d, msg:%s, linuxErr:%d, linuxErrMsg:%s", err, errStr, linuxErr, linuxErrMsg);
+    sError("walRollback error, err:%d %X, msg:%s, linuxErr:%d, linuxErrMsg:%s", err, err, errStr, linuxErr, linuxErrMsg);
     ASSERT(0);
   } 
   return 0;  // to avoid compiler error
@@ -152,7 +152,7 @@ int32_t logStoreUpdateCommitIndex(SSyncLogStore* pLogStore, SyncIndex index) {
     const char *errStr = tstrerror(err);
     int32_t linuxErr = errno;
     const char *linuxErrMsg = strerror(errno);
-    sError("walCommit error, err:%d, msg:%s, linuxErr:%d, linuxErrMsg:%s", err, errStr, linuxErr, linuxErrMsg);
+    sError("walCommit error, err:%d %X, msg:%s, linuxErr:%d, linuxErrMsg:%s", err, err, errStr, linuxErr, linuxErrMsg);
     ASSERT(0);
   } 
   return 0;  // to avoid compiler error
diff --git a/source/os/src/osMemory.c b/source/os/src/osMemory.c
index 3400f8c516..7c877b463a 100644
--- a/source/os/src/osMemory.c
+++ b/source/os/src/osMemory.c
@@ -103,7 +103,8 @@ Dwarf_Debug tDbg;
 static TdThreadOnce traceThreadInit = PTHREAD_ONCE_INIT;
 
 void endTrace() {
-  if (traceThreadInit != PTHREAD_ONCE_INIT) {
+  TdThreadOnce tmp = PTHREAD_ONCE_INIT;
+  if (memcmp(&traceThreadInit, &tmp, sizeof(TdThreadOnce)) != 0) {
     delete_lookup_table(&lookup_table);
     dwarf_finish(tDbg);
   }
diff --git a/source/util/src/tcache.c b/source/util/src/tcache.c
index 9dcbafca7a..10a5475555 100644
--- a/source/util/src/tcache.c
+++ b/source/util/src/tcache.c
@@ -911,7 +911,8 @@ void taosCacheRefresh(SCacheObj *pCacheObj, __cache_trav_fn_t fp, void *param1)
 
 void taosStopCacheRefreshWorker(void) {
   stopRefreshWorker = true;
-  if(cacheThreadInit != PTHREAD_ONCE_INIT) taosThreadJoin(cacheRefreshWorker, NULL);
+  TdThreadOnce tmp = PTHREAD_ONCE_INIT;
+  if (memcmp(&cacheRefreshWorker, &tmp, sizeof(TdThreadOnce)) != 0) taosThreadJoin(cacheRefreshWorker, NULL);
   taosArrayDestroy(pCacheArrayList);
 }
 
diff --git a/source/util/src/tuuid.c b/source/util/src/tuuid.c
index 69cf7baaad..1f3cbd9573 100644
--- a/source/util/src/tuuid.c
+++ b/source/util/src/tuuid.c
@@ -48,10 +48,18 @@ int64_t tGenIdPI64(void) {
     }
   }
 
-  int64_t  ts = taosGetTimestampMs();
-  uint64_t pid = taosGetPId();
-  int32_t  val = atomic_add_fetch_32(&tUUIDSerialNo, 1);
+  int64_t id;
+  
+  while (true) {
+    int64_t  ts = taosGetTimestampMs();
+    uint64_t pid = taosGetPId();
+    int32_t  val = atomic_add_fetch_32(&tUUIDSerialNo, 1);
+
+    id = ((tUUIDHashId & 0x07FF) << 52) | ((pid & 0x0FFF) << 40) | ((ts & 0xFFFFFF) << 16) | (val & 0xFFFF);
+    if (id) {
+      break;
+    }
+  }
 
-  int64_t id = ((tUUIDHashId & 0x07FF) << 52) | ((pid & 0x0FFF) << 40) | ((ts & 0xFFFFFF) << 16) | (val & 0xFFFF);
   return id;
 }
diff --git a/tests/script/api/batchprepare.c b/tests/script/api/batchprepare.c
index 8169e6c503..adf38015ae 100644
--- a/tests/script/api/batchprepare.c
+++ b/tests/script/api/batchprepare.c
@@ -11,8 +11,8 @@
 
 int32_t shortColList[] = {TSDB_DATA_TYPE_TIMESTAMP, TSDB_DATA_TYPE_INT};
 int32_t fullColList[] = {TSDB_DATA_TYPE_TIMESTAMP, TSDB_DATA_TYPE_BOOL, TSDB_DATA_TYPE_TINYINT, TSDB_DATA_TYPE_UTINYINT, TSDB_DATA_TYPE_SMALLINT, TSDB_DATA_TYPE_USMALLINT, TSDB_DATA_TYPE_INT, TSDB_DATA_TYPE_UINT, TSDB_DATA_TYPE_BIGINT, TSDB_DATA_TYPE_UBIGINT, TSDB_DATA_TYPE_FLOAT, TSDB_DATA_TYPE_DOUBLE, TSDB_DATA_TYPE_BINARY, TSDB_DATA_TYPE_NCHAR};
-int32_t bindColTypeList[] = {TSDB_DATA_TYPE_TIMESTAMP, TSDB_DATA_TYPE_SMALLINT, TSDB_DATA_TYPE_NCHAR};
-int32_t optrIdxList[] = {0, 1, 2};
+int32_t bindColTypeList[] = {TSDB_DATA_TYPE_TIMESTAMP, TSDB_DATA_TYPE_NCHAR};
+int32_t optrIdxList[] = {0, 9};
 
 typedef struct {
   char*   oper;
@@ -92,7 +92,8 @@ int insertMBMETest3(TAOS_STMT *stmt, TAOS *taos);
 int insertMBMETest4(TAOS_STMT *stmt, TAOS *taos);
 int insertMPMETest1(TAOS_STMT *stmt, TAOS *taos);
 int insertAUTOTest1(TAOS_STMT *stmt, TAOS *taos);
-int querySUBTTest1(TAOS_STMT *stmt, TAOS *taos);
+int queryColumnTest(TAOS_STMT *stmt, TAOS *taos);
+int queryMiscTest(TAOS_STMT *stmt, TAOS *taos);
 
 enum {
   TTYPE_INSERT = 1,
@@ -152,7 +153,8 @@ CaseCfg gCase[] = {
   // 22
   {"insert:AUTO1-FULL", tListLen(fullColList), fullColList, TTYPE_INSERT, true, true, insertAUTOTest1, 10, 10, 2, 0, 0, 0, 1, -1},
 
-  {"query:SUBT-FULL", tListLen(fullColList), fullColList, TTYPE_QUERY, false, false, querySUBTTest1, 10, 10, 1, 3, 0, 0, 1, 2},
+  {"query:SUBT-COLUMN", tListLen(fullColList), fullColList, TTYPE_QUERY, false, false, queryColumnTest, 10, 10, 1, 3, 0, 0, 1, 2},
+  {"query:SUBT-MISC",   tListLen(fullColList), fullColList, TTYPE_QUERY, false, false, queryMiscTest, 10, 10, 1, 3, 0, 0, 1, 2},
 
 };
 
@@ -184,7 +186,7 @@ typedef struct {
   int32_t  caseRunNum;           // total run case num
 } CaseCtrl;
 
-#if 0
+#if 1
 CaseCtrl gCaseCtrl = { // default
   .bindNullNum = 0,
   .printCreateTblSql = false,
@@ -202,7 +204,7 @@ CaseCtrl gCaseCtrl = { // default
   .optrIdxListNum = 0,
   .optrIdxList = NULL,
   .checkParamNum = false,
-  .printRes = true,
+  .printRes = false,
   .runTimes = 0,
   .caseIdx = -1,
   .caseNum = -1,
@@ -212,8 +214,8 @@ CaseCtrl gCaseCtrl = { // default
 #endif
 
 
-#if 1
-CaseCtrl gCaseCtrl = { // default
+#if 0
+CaseCtrl gCaseCtrl = {
   .bindNullNum = 0,
   .printCreateTblSql = true,
   .printQuerySql = true,
@@ -223,18 +225,18 @@ CaseCtrl gCaseCtrl = { // default
   .bindColNum = 0,
   .bindTagNum = 0,
   .bindRowNum = 0,
-  .bindColTypeNum = 0,
-  .bindColTypeList = NULL,
+  .bindColTypeNum = tListLen(bindColTypeList),
+  .bindColTypeList = bindColTypeList,
   .bindTagTypeNum = 0,
   .bindTagTypeList = NULL,
-  .optrIdxListNum = 0,
-  .optrIdxList = NULL,
+  .optrIdxListNum = tListLen(optrIdxList),
+  .optrIdxList = optrIdxList,
   .checkParamNum = false,
-  .printRes = true,
+  .printRes = false,
   .runTimes = 0,
-  .caseIdx = -1,
+  .caseIdx = 23,
   .caseNum = 1,
-  .caseRunIdx = 11,
+  .caseRunIdx = -1,
   .caseRunNum = 1,
 };
 #endif
@@ -253,14 +255,14 @@ CaseCtrl gCaseCtrl = {  // query case with specified col&oper
   .optrIdxListNum = 0,
   .optrIdxList = NULL,
   .checkParamNum = false,
-  .printRes = true,
+  .printRes = false,
   .runTimes = 0,
   .caseRunIdx = -1,
   .optrIdxListNum = 0,
   .optrIdxList = NULL,
   .bindColTypeNum = 0,
   .bindColTypeList = NULL,
-  .caseIdx = 22,
+  .caseIdx = 23,
   .caseNum = 1,
   .caseRunNum = 1,
 };
@@ -1749,7 +1751,7 @@ int insertAUTOTest1(TAOS_STMT *stmt, TAOS *taos) {
 
 
 /* select * from table */
-int querySUBTTest1(TAOS_STMT *stmt, TAOS *taos) {
+int queryColumnTest(TAOS_STMT *stmt, TAOS *taos) {
   BindData data = {0};
 
   for (int32_t t = 0; t< gCurCase->tblNum; ++t) {
@@ -1795,7 +1797,7 @@ int querySUBTTest1(TAOS_STMT *stmt, TAOS *taos) {
 }
 
 /* value in query sql */
-int querySUBTTest2(TAOS_STMT *stmt, TAOS *taos) {
+int queryMiscTest(TAOS_STMT *stmt, TAOS *taos) {
   BindData data = {0};
 
   for (int32_t t = 0; t< gCurCase->tblNum; ++t) {
@@ -1862,1119 +1864,6 @@ int errorSQLTest1(TAOS_STMT *stmt, TAOS *taos) {
   return 0;
 }
 
-
-#if 0
-
-//1 tables 10 records
-int stmt_funcb_autoctb1(TAOS_STMT *stmt) {
-  struct {
-      int64_t *ts;
-      int8_t b[10];
-      int8_t v1[10];
-      int16_t v2[10];
-      int32_t v4[10];
-      int64_t v8[10];
-      float f4[10];
-      double f8[10];
-      char bin[10][40];
-  } v = {0};
-
-  v.ts = taosMemoryMalloc(sizeof(int64_t) * 1 * 10);
-  
-  int *lb = taosMemoryMalloc(10 * sizeof(int));
-
-  TAOS_BIND *tags = taosMemoryCalloc(1, sizeof(TAOS_BIND) * 9 * 1);
-  TAOS_MULTI_BIND *params = taosMemoryCalloc(1, sizeof(TAOS_MULTI_BIND) * 1*10);
-
-  unsigned long long starttime = taosGetTimestampUs();
-
-  char *sql = "insert into ? using stb1 tags(?,?,?,?,?,?,?,?,?) values(?,?,?,?,?,?,?,?,?,?)";
-  int code = taos_stmt_prepare(stmt, sql, 0);
-  if (code != 0){
-    printf("failed to execute taos_stmt_prepare. code:0x%x\n", code);
-    exit(1);
-  }
-
-  int id = 0;
-  for (int zz = 0; zz < 1; zz++) {
-    char buf[32];
-    sprintf(buf, "m%d", zz);
-    code = taos_stmt_set_tbname_tags(stmt, buf, tags);
-    if (code != 0){
-      printf("failed to execute taos_stmt_set_tbname_tags. code:0x%x\n", code);
-    }  
-
-    taos_stmt_bind_param_batch(stmt, params + id * 10);
-    taos_stmt_add_batch(stmt);
-  }
-
-  if (taos_stmt_execute(stmt) != 0) {
-    printf("failed to execute insert statement.\n");
-    exit(1);
-  }
-
-  ++id;
-
-  unsigned long long endtime = taosGetTimestampUs();
-  printf("insert total %d records, used %u seconds, avg:%u useconds\n", 10, (endtime-starttime)/1000000UL, (endtime-starttime)/(10));
-
-  taosMemoryFree(v.ts);  
-  taosMemoryFree(lb);
-  taosMemoryFree(params);
-  taosMemoryFree(is_null);
-  taosMemoryFree(no_null);
-  taosMemoryFree(tags);
-
-  return 0;
-}
-
-
-
-
-//1 tables 10 records
-int stmt_funcb_autoctb2(TAOS_STMT *stmt) {
-  struct {
-      int64_t *ts;
-      int8_t b[10];
-      int8_t v1[10];
-      int16_t v2[10];
-      int32_t v4[10];
-      int64_t v8[10];
-      float f4[10];
-      double f8[10];
-      char bin[10][40];
-  } v = {0};
-
-  v.ts = taosMemoryMalloc(sizeof(int64_t) * 1 * 10);
-  
-  int *lb = taosMemoryMalloc(10 * sizeof(int));
-
-  TAOS_BIND *tags = taosMemoryCalloc(1, sizeof(TAOS_BIND) * 9 * 1);
-  TAOS_MULTI_BIND *params = taosMemoryCalloc(1, sizeof(TAOS_MULTI_BIND) * 1*10);
-
-//  int one_null = 1;
-  int one_not_null = 0;
-  
-  char* is_null = taosMemoryMalloc(sizeof(char) * 10);
-  char* no_null = taosMemoryMalloc(sizeof(char) * 10);
-
-  for (int i = 0; i < 10; ++i) {
-    lb[i] = 40;
-    no_null[i] = 0;
-    is_null[i] = (i % 10 == 2) ? 1 : 0;
-    v.b[i] = (int8_t)(i % 2);
-    v.v1[i] = (int8_t)((i+1) % 2);
-    v.v2[i] = (int16_t)i;
-    v.v4[i] = (int32_t)(i+1);
-    v.v8[i] = (int64_t)(i+2);
-    v.f4[i] = (float)(i+3);
-    v.f8[i] = (double)(i+4);
-    memset(v.bin[i], '0'+i%10, 40);
-  }
-  
-  for (int i = 0; i < 10; i+=10) {
-    params[i+0].buffer_type = TSDB_DATA_TYPE_TIMESTAMP;
-    params[i+0].buffer_length = sizeof(int64_t);
-    params[i+0].buffer = &v.ts[10*i/10];
-    params[i+0].length = NULL;
-    params[i+0].is_null = no_null;
-    params[i+0].num = 10;
-    
-    params[i+1].buffer_type = TSDB_DATA_TYPE_BOOL;
-    params[i+1].buffer_length = sizeof(int8_t);
-    params[i+1].buffer = v.b;
-    params[i+1].length = NULL;
-    params[i+1].is_null = is_null;
-    params[i+1].num = 10;
-
-    params[i+2].buffer_type = TSDB_DATA_TYPE_TINYINT;
-    params[i+2].buffer_length = sizeof(int8_t);
-    params[i+2].buffer = v.v1;
-    params[i+2].length = NULL;
-    params[i+2].is_null = is_null;
-    params[i+2].num = 10;
-
-    params[i+3].buffer_type = TSDB_DATA_TYPE_SMALLINT;
-    params[i+3].buffer_length = sizeof(int16_t);
-    params[i+3].buffer = v.v2;
-    params[i+3].length = NULL;
-    params[i+3].is_null = is_null;
-    params[i+3].num = 10;
-
-    params[i+4].buffer_type = TSDB_DATA_TYPE_INT;
-    params[i+4].buffer_length = sizeof(int32_t);
-    params[i+4].buffer = v.v4;
-    params[i+4].length = NULL;
-    params[i+4].is_null = is_null;
-    params[i+4].num = 10;
-
-    params[i+5].buffer_type = TSDB_DATA_TYPE_BIGINT;
-    params[i+5].buffer_length = sizeof(int64_t);
-    params[i+5].buffer = v.v8;
-    params[i+5].length = NULL;
-    params[i+5].is_null = is_null;
-    params[i+5].num = 10;
-
-    params[i+6].buffer_type = TSDB_DATA_TYPE_FLOAT;
-    params[i+6].buffer_length = sizeof(float);
-    params[i+6].buffer = v.f4;
-    params[i+6].length = NULL;
-    params[i+6].is_null = is_null;
-    params[i+6].num = 10;
-
-    params[i+7].buffer_type = TSDB_DATA_TYPE_DOUBLE;
-    params[i+7].buffer_length = sizeof(double);
-    params[i+7].buffer = v.f8;
-    params[i+7].length = NULL;
-    params[i+7].is_null = is_null;
-    params[i+7].num = 10;
-
-    params[i+8].buffer_type = TSDB_DATA_TYPE_BINARY;
-    params[i+8].buffer_length = 40;
-    params[i+8].buffer = v.bin;
-    params[i+8].length = lb;
-    params[i+8].is_null = is_null;
-    params[i+8].num = 10;
-
-    params[i+9].buffer_type = TSDB_DATA_TYPE_BINARY;
-    params[i+9].buffer_length = 40;
-    params[i+9].buffer = v.bin;
-    params[i+9].length = lb;
-    params[i+9].is_null = is_null;
-    params[i+9].num = 10;
-    
-  }
-
-  int64_t tts = 1591060628000;
-  for (int i = 0; i < 10; ++i) {
-    v.ts[i] = tts + i;
-  }
-
-
-  for (int i = 0; i < 1; ++i) {
-    tags[i+0].buffer_type = TSDB_DATA_TYPE_INT;
-    tags[i+0].buffer = v.v4;
-    tags[i+0].is_null = &one_not_null;
-    tags[i+0].length = NULL;
-
-    tags[i+1].buffer_type = TSDB_DATA_TYPE_BOOL;
-    tags[i+1].buffer = v.b;
-    tags[i+1].is_null = &one_not_null;
-    tags[i+1].length = NULL;
-
-    tags[i+2].buffer_type = TSDB_DATA_TYPE_TINYINT;
-    tags[i+2].buffer = v.v1;
-    tags[i+2].is_null = &one_not_null;
-    tags[i+2].length = NULL;
-
-    tags[i+3].buffer_type = TSDB_DATA_TYPE_SMALLINT;
-    tags[i+3].buffer = v.v2;
-    tags[i+3].is_null = &one_not_null;
-    tags[i+3].length = NULL;
-
-    tags[i+4].buffer_type = TSDB_DATA_TYPE_BIGINT;
-    tags[i+4].buffer = v.v8;
-    tags[i+4].is_null = &one_not_null;
-    tags[i+4].length = NULL;
-
-    tags[i+5].buffer_type = TSDB_DATA_TYPE_FLOAT;
-    tags[i+5].buffer = v.f4;
-    tags[i+5].is_null = &one_not_null;
-    tags[i+5].length = NULL;
-
-    tags[i+6].buffer_type = TSDB_DATA_TYPE_DOUBLE;
-    tags[i+6].buffer = v.f8;
-    tags[i+6].is_null = &one_not_null;
-    tags[i+6].length = NULL;
-
-    tags[i+7].buffer_type = TSDB_DATA_TYPE_BINARY;
-    tags[i+7].buffer = v.bin;
-    tags[i+7].is_null = &one_not_null;
-    tags[i+7].length = (uintptr_t *)lb;
-
-    tags[i+8].buffer_type = TSDB_DATA_TYPE_NCHAR;
-    tags[i+8].buffer = v.bin;
-    tags[i+8].is_null = &one_not_null;
-    tags[i+8].length = (uintptr_t *)lb;
-  }
-
-
-  unsigned long long starttime = taosGetTimestampUs();
-
-  char *sql = "insert into ? using stb1 tags(1,true,2,3,4,5.0,6.0,'a','b') values(?,?,?,?,?,?,?,?,?,?)";
-  int code = taos_stmt_prepare(stmt, sql, 0);
-  if (code != 0){
-    printf("failed to execute taos_stmt_prepare. code:0x%x\n", code);
-    exit(1);
-  }
-
-  int id = 0;
-  for (int zz = 0; zz < 1; zz++) {
-    char buf[32];
-    sprintf(buf, "m%d", zz);
-    code = taos_stmt_set_tbname_tags(stmt, buf, tags);
-    if (code != 0){
-      printf("failed to execute taos_stmt_set_tbname_tags. code:0x%x\n", code);
-    }  
-
-    taos_stmt_bind_param_batch(stmt, params + id * 10);
-    taos_stmt_add_batch(stmt);
-  }
-
-  if (taos_stmt_execute(stmt) != 0) {
-    printf("failed to execute insert statement.\n");
-    exit(1);
-  }
-
-  ++id;
-
-  unsigned long long endtime = taosGetTimestampUs();
-  printf("insert total %d records, used %u seconds, avg:%u useconds\n", 10, (endtime-starttime)/1000000UL, (endtime-starttime)/(10));
-
-  taosMemoryFree(v.ts);  
-  taosMemoryFree(lb);
-  taosMemoryFree(params);
-  taosMemoryFree(is_null);
-  taosMemoryFree(no_null);
-  taosMemoryFree(tags);
-
-  return 0;
-}
-
-
-
-
-
-//1 tables 10 records
-int stmt_funcb_autoctb3(TAOS_STMT *stmt) {
-  struct {
-      int64_t *ts;
-      int8_t b[10];
-      int8_t v1[10];
-      int16_t v2[10];
-      int32_t v4[10];
-      int64_t v8[10];
-      float f4[10];
-      double f8[10];
-      char bin[10][40];
-  } v = {0};
-
-  v.ts = taosMemoryMalloc(sizeof(int64_t) * 1 * 10);
-  
-  int *lb = taosMemoryMalloc(10 * sizeof(int));
-
-  TAOS_BIND *tags = taosMemoryCalloc(1, sizeof(TAOS_BIND) * 9 * 1);
-  TAOS_MULTI_BIND *params = taosMemoryCalloc(1, sizeof(TAOS_MULTI_BIND) * 1*10);
-
-//  int one_null = 1;
-  int one_not_null = 0;
-  
-  char* is_null = taosMemoryMalloc(sizeof(char) * 10);
-  char* no_null = taosMemoryMalloc(sizeof(char) * 10);
-
-  for (int i = 0; i < 10; ++i) {
-    lb[i] = 40;
-    no_null[i] = 0;
-    is_null[i] = (i % 10 == 2) ? 1 : 0;
-    v.b[i] = (int8_t)(i % 2);
-    v.v1[i] = (int8_t)((i+1) % 2);
-    v.v2[i] = (int16_t)i;
-    v.v4[i] = (int32_t)(i+1);
-    v.v8[i] = (int64_t)(i+2);
-    v.f4[i] = (float)(i+3);
-    v.f8[i] = (double)(i+4);
-    memset(v.bin[i], '0'+i%10, 40);
-  }
-  
-  for (int i = 0; i < 10; i+=10) {
-    params[i+0].buffer_type = TSDB_DATA_TYPE_TIMESTAMP;
-    params[i+0].buffer_length = sizeof(int64_t);
-    params[i+0].buffer = &v.ts[10*i/10];
-    params[i+0].length = NULL;
-    params[i+0].is_null = no_null;
-    params[i+0].num = 10;
-    
-    params[i+1].buffer_type = TSDB_DATA_TYPE_BOOL;
-    params[i+1].buffer_length = sizeof(int8_t);
-    params[i+1].buffer = v.b;
-    params[i+1].length = NULL;
-    params[i+1].is_null = is_null;
-    params[i+1].num = 10;
-
-    params[i+2].buffer_type = TSDB_DATA_TYPE_TINYINT;
-    params[i+2].buffer_length = sizeof(int8_t);
-    params[i+2].buffer = v.v1;
-    params[i+2].length = NULL;
-    params[i+2].is_null = is_null;
-    params[i+2].num = 10;
-
-    params[i+3].buffer_type = TSDB_DATA_TYPE_SMALLINT;
-    params[i+3].buffer_length = sizeof(int16_t);
-    params[i+3].buffer = v.v2;
-    params[i+3].length = NULL;
-    params[i+3].is_null = is_null;
-    params[i+3].num = 10;
-
-    params[i+4].buffer_type = TSDB_DATA_TYPE_INT;
-    params[i+4].buffer_length = sizeof(int32_t);
-    params[i+4].buffer = v.v4;
-    params[i+4].length = NULL;
-    params[i+4].is_null = is_null;
-    params[i+4].num = 10;
-
-    params[i+5].buffer_type = TSDB_DATA_TYPE_BIGINT;
-    params[i+5].buffer_length = sizeof(int64_t);
-    params[i+5].buffer = v.v8;
-    params[i+5].length = NULL;
-    params[i+5].is_null = is_null;
-    params[i+5].num = 10;
-
-    params[i+6].buffer_type = TSDB_DATA_TYPE_FLOAT;
-    params[i+6].buffer_length = sizeof(float);
-    params[i+6].buffer = v.f4;
-    params[i+6].length = NULL;
-    params[i+6].is_null = is_null;
-    params[i+6].num = 10;
-
-    params[i+7].buffer_type = TSDB_DATA_TYPE_DOUBLE;
-    params[i+7].buffer_length = sizeof(double);
-    params[i+7].buffer = v.f8;
-    params[i+7].length = NULL;
-    params[i+7].is_null = is_null;
-    params[i+7].num = 10;
-
-    params[i+8].buffer_type = TSDB_DATA_TYPE_BINARY;
-    params[i+8].buffer_length = 40;
-    params[i+8].buffer = v.bin;
-    params[i+8].length = lb;
-    params[i+8].is_null = is_null;
-    params[i+8].num = 10;
-
-    params[i+9].buffer_type = TSDB_DATA_TYPE_BINARY;
-    params[i+9].buffer_length = 40;
-    params[i+9].buffer = v.bin;
-    params[i+9].length = lb;
-    params[i+9].is_null = is_null;
-    params[i+9].num = 10;
-    
-  }
-
-  int64_t tts = 1591060628000;
-  for (int i = 0; i < 10; ++i) {
-    v.ts[i] = tts + i;
-  }
-
-
-  for (int i = 0; i < 1; ++i) {
-    tags[i+0].buffer_type = TSDB_DATA_TYPE_BOOL;
-    tags[i+0].buffer = v.b;
-    tags[i+0].is_null = &one_not_null;
-    tags[i+0].length = NULL;
-
-    tags[i+1].buffer_type = TSDB_DATA_TYPE_SMALLINT;
-    tags[i+1].buffer = v.v2;
-    tags[i+1].is_null = &one_not_null;
-    tags[i+1].length = NULL;
-
-    tags[i+2].buffer_type = TSDB_DATA_TYPE_FLOAT;
-    tags[i+2].buffer = v.f4;
-    tags[i+2].is_null = &one_not_null;
-    tags[i+2].length = NULL;
-
-    tags[i+3].buffer_type = TSDB_DATA_TYPE_BINARY;
-    tags[i+3].buffer = v.bin;
-    tags[i+3].is_null = &one_not_null;
-    tags[i+3].length = (uintptr_t *)lb;
-  }
-
-
-  unsigned long long starttime = taosGetTimestampUs();
-
-  char *sql = "insert into ? using stb1 tags(1,?,2,?,4,?,6.0,?,'b') values(?,?,?,?,?,?,?,?,?,?)";
-  int code = taos_stmt_prepare(stmt, sql, 0);
-  if (code != 0){
-    printf("failed to execute taos_stmt_prepare. code:0x%x\n", code);
-    exit(1);
-  }
-
-  int id = 0;
-  for (int zz = 0; zz < 1; zz++) {
-    char buf[32];
-    sprintf(buf, "m%d", zz);
-    code = taos_stmt_set_tbname_tags(stmt, buf, tags);
-    if (code != 0){
-      printf("failed to execute taos_stmt_set_tbname_tags. code:0x%x\n", code);
-    }  
-
-    taos_stmt_bind_param_batch(stmt, params + id * 10);
-    taos_stmt_add_batch(stmt);
-  }
-
-  if (taos_stmt_execute(stmt) != 0) {
-    printf("failed to execute insert statement.\n");
-    exit(1);
-  }
-
-  ++id;
-
-  unsigned long long endtime = taosGetTimestampUs();
-  printf("insert total %d records, used %u seconds, avg:%u useconds\n", 10, (endtime-starttime)/1000000UL, (endtime-starttime)/(10));
-
-  taosMemoryFree(v.ts);  
-  taosMemoryFree(lb);
-  taosMemoryFree(params);
-  taosMemoryFree(is_null);
-  taosMemoryFree(no_null);
-  taosMemoryFree(tags);
-
-  return 0;
-}
-
-
-
-
-
-
-
-//1 tables 10 records
-int stmt_funcb_autoctb4(TAOS_STMT *stmt) {
-  struct {
-      int64_t *ts;
-      int8_t b[10];
-      int8_t v1[10];
-      int16_t v2[10];
-      int32_t v4[10];
-      int64_t v8[10];
-      float f4[10];
-      double f8[10];
-      char bin[10][40];
-  } v = {0};
-
-  v.ts = taosMemoryMalloc(sizeof(int64_t) * 1 * 10);
-  
-  int *lb = taosMemoryMalloc(10 * sizeof(int));
-
-  TAOS_BIND *tags = taosMemoryCalloc(1, sizeof(TAOS_BIND) * 9 * 1);
-  TAOS_MULTI_BIND *params = taosMemoryCalloc(1, sizeof(TAOS_MULTI_BIND) * 1*5);
-
-//  int one_null = 1;
-  int one_not_null = 0;
-  
-  char* is_null = taosMemoryMalloc(sizeof(char) * 10);
-  char* no_null = taosMemoryMalloc(sizeof(char) * 10);
-
-  for (int i = 0; i < 10; ++i) {
-    lb[i] = 40;
-    no_null[i] = 0;
-    is_null[i] = (i % 10 == 2) ? 1 : 0;
-    v.b[i] = (int8_t)(i % 2);
-    v.v1[i] = (int8_t)((i+1) % 2);
-    v.v2[i] = (int16_t)i;
-    v.v4[i] = (int32_t)(i+1);
-    v.v8[i] = (int64_t)(i+2);
-    v.f4[i] = (float)(i+3);
-    v.f8[i] = (double)(i+4);
-    memset(v.bin[i], '0'+i%10, 40);
-  }
-  
-  for (int i = 0; i < 5; i+=5) {
-    params[i+0].buffer_type = TSDB_DATA_TYPE_TIMESTAMP;
-    params[i+0].buffer_length = sizeof(int64_t);
-    params[i+0].buffer = &v.ts[10*i/10];
-    params[i+0].length = NULL;
-    params[i+0].is_null = no_null;
-    params[i+0].num = 10;
-    
-    params[i+1].buffer_type = TSDB_DATA_TYPE_BOOL;
-    params[i+1].buffer_length = sizeof(int8_t);
-    params[i+1].buffer = v.b;
-    params[i+1].length = NULL;
-    params[i+1].is_null = is_null;
-    params[i+1].num = 10;
-
-    params[i+2].buffer_type = TSDB_DATA_TYPE_INT;
-    params[i+2].buffer_length = sizeof(int32_t);
-    params[i+2].buffer = v.v4;
-    params[i+2].length = NULL;
-    params[i+2].is_null = is_null;
-    params[i+2].num = 10;
-
-    params[i+3].buffer_type = TSDB_DATA_TYPE_BIGINT;
-    params[i+3].buffer_length = sizeof(int64_t);
-    params[i+3].buffer = v.v8;
-    params[i+3].length = NULL;
-    params[i+3].is_null = is_null;
-    params[i+3].num = 10;
-
-    params[i+4].buffer_type = TSDB_DATA_TYPE_DOUBLE;
-    params[i+4].buffer_length = sizeof(double);
-    params[i+4].buffer = v.f8;
-    params[i+4].length = NULL;
-    params[i+4].is_null = is_null;
-    params[i+4].num = 10;
-  }
-
-  int64_t tts = 1591060628000;
-  for (int i = 0; i < 10; ++i) {
-    v.ts[i] = tts + i;
-  }
-
-
-  for (int i = 0; i < 1; ++i) {
-    tags[i+0].buffer_type = TSDB_DATA_TYPE_BOOL;
-    tags[i+0].buffer = v.b;
-    tags[i+0].is_null = &one_not_null;
-    tags[i+0].length = NULL;
-
-    tags[i+1].buffer_type = TSDB_DATA_TYPE_SMALLINT;
-    tags[i+1].buffer = v.v2;
-    tags[i+1].is_null = &one_not_null;
-    tags[i+1].length = NULL;
-
-    tags[i+2].buffer_type = TSDB_DATA_TYPE_FLOAT;
-    tags[i+2].buffer = v.f4;
-    tags[i+2].is_null = &one_not_null;
-    tags[i+2].length = NULL;
-
-    tags[i+3].buffer_type = TSDB_DATA_TYPE_BINARY;
-    tags[i+3].buffer = v.bin;
-    tags[i+3].is_null = &one_not_null;
-    tags[i+3].length = (uintptr_t *)lb;
-  }
-
-
-  unsigned long long starttime = taosGetTimestampUs();
-
-  char *sql = "insert into ? using stb1 tags(1,?,2,?,4,?,6.0,?,'b') (ts,b,v4,v8,f8) values(?,?,?,?,?)";
-  int code = taos_stmt_prepare(stmt, sql, 0);
-  if (code != 0){
-    printf("failed to execute taos_stmt_prepare. code:0x%x\n", code);
-    exit(1);
-  }
-
-  int id = 0;
-  for (int zz = 0; zz < 1; zz++) {
-    char buf[32];
-    sprintf(buf, "m%d", zz);
-    code = taos_stmt_set_tbname_tags(stmt, buf, tags);
-    if (code != 0){
-      printf("failed to execute taos_stmt_set_tbname_tags. code:0x%x\n", code);
-    }  
-
-    taos_stmt_bind_param_batch(stmt, params + id * 5);
-    taos_stmt_add_batch(stmt);
-  }
-
-  if (taos_stmt_execute(stmt) != 0) {
-    printf("failed to execute insert statement.\n");
-    exit(1);
-  }
-
-  ++id;
-
-  unsigned long long endtime = taosGetTimestampUs();
-  printf("insert total %d records, used %u seconds, avg:%u useconds\n", 10, (endtime-starttime)/1000000UL, (endtime-starttime)/(10));
-
-  taosMemoryFree(v.ts);  
-  taosMemoryFree(lb);
-  taosMemoryFree(params);
-  taosMemoryFree(is_null);
-  taosMemoryFree(no_null);
-  taosMemoryFree(tags);
-
-  return 0;
-}
-
-
-
-
-
-//1 tables 10 records
-int stmt_funcb_autoctb_e1(TAOS_STMT *stmt) {
-  struct {
-      int64_t *ts;
-      int8_t b[10];
-      int8_t v1[10];
-      int16_t v2[10];
-      int32_t v4[10];
-      int64_t v8[10];
-      float f4[10];
-      double f8[10];
-      char bin[10][40];
-  } v = {0};
-
-  v.ts = taosMemoryMalloc(sizeof(int64_t) * 1 * 10);
-  
-  int *lb = taosMemoryMalloc(10 * sizeof(int));
-
-  TAOS_BIND *tags = taosMemoryCalloc(1, sizeof(TAOS_BIND) * 9 * 1);
-  TAOS_MULTI_BIND *params = taosMemoryCalloc(1, sizeof(TAOS_MULTI_BIND) * 1*10);
-
-//  int one_null = 1;
-  int one_not_null = 0;
-  
-  char* is_null = taosMemoryMalloc(sizeof(char) * 10);
-  char* no_null = taosMemoryMalloc(sizeof(char) * 10);
-
-  for (int i = 0; i < 10; ++i) {
-    lb[i] = 40;
-    no_null[i] = 0;
-    is_null[i] = (i % 10 == 2) ? 1 : 0;
-    v.b[i] = (int8_t)(i % 2);
-    v.v1[i] = (int8_t)((i+1) % 2);
-    v.v2[i] = (int16_t)i;
-    v.v4[i] = (int32_t)(i+1);
-    v.v8[i] = (int64_t)(i+2);
-    v.f4[i] = (float)(i+3);
-    v.f8[i] = (double)(i+4);
-    memset(v.bin[i], '0'+i%10, 40);
-  }
-  
-  for (int i = 0; i < 10; i+=10) {
-    params[i+0].buffer_type = TSDB_DATA_TYPE_TIMESTAMP;
-    params[i+0].buffer_length = sizeof(int64_t);
-    params[i+0].buffer = &v.ts[10*i/10];
-    params[i+0].length = NULL;
-    params[i+0].is_null = no_null;
-    params[i+0].num = 10;
-    
-    params[i+1].buffer_type = TSDB_DATA_TYPE_BOOL;
-    params[i+1].buffer_length = sizeof(int8_t);
-    params[i+1].buffer = v.b;
-    params[i+1].length = NULL;
-    params[i+1].is_null = is_null;
-    params[i+1].num = 10;
-
-    params[i+2].buffer_type = TSDB_DATA_TYPE_TINYINT;
-    params[i+2].buffer_length = sizeof(int8_t);
-    params[i+2].buffer = v.v1;
-    params[i+2].length = NULL;
-    params[i+2].is_null = is_null;
-    params[i+2].num = 10;
-
-    params[i+3].buffer_type = TSDB_DATA_TYPE_SMALLINT;
-    params[i+3].buffer_length = sizeof(int16_t);
-    params[i+3].buffer = v.v2;
-    params[i+3].length = NULL;
-    params[i+3].is_null = is_null;
-    params[i+3].num = 10;
-
-    params[i+4].buffer_type = TSDB_DATA_TYPE_INT;
-    params[i+4].buffer_length = sizeof(int32_t);
-    params[i+4].buffer = v.v4;
-    params[i+4].length = NULL;
-    params[i+4].is_null = is_null;
-    params[i+4].num = 10;
-
-    params[i+5].buffer_type = TSDB_DATA_TYPE_BIGINT;
-    params[i+5].buffer_length = sizeof(int64_t);
-    params[i+5].buffer = v.v8;
-    params[i+5].length = NULL;
-    params[i+5].is_null = is_null;
-    params[i+5].num = 10;
-
-    params[i+6].buffer_type = TSDB_DATA_TYPE_FLOAT;
-    params[i+6].buffer_length = sizeof(float);
-    params[i+6].buffer = v.f4;
-    params[i+6].length = NULL;
-    params[i+6].is_null = is_null;
-    params[i+6].num = 10;
-
-    params[i+7].buffer_type = TSDB_DATA_TYPE_DOUBLE;
-    params[i+7].buffer_length = sizeof(double);
-    params[i+7].buffer = v.f8;
-    params[i+7].length = NULL;
-    params[i+7].is_null = is_null;
-    params[i+7].num = 10;
-
-    params[i+8].buffer_type = TSDB_DATA_TYPE_BINARY;
-    params[i+8].buffer_length = 40;
-    params[i+8].buffer = v.bin;
-    params[i+8].length = lb;
-    params[i+8].is_null = is_null;
-    params[i+8].num = 10;
-
-    params[i+9].buffer_type = TSDB_DATA_TYPE_BINARY;
-    params[i+9].buffer_length = 40;
-    params[i+9].buffer = v.bin;
-    params[i+9].length = lb;
-    params[i+9].is_null = is_null;
-    params[i+9].num = 10;
-    
-  }
-
-  int64_t tts = 1591060628000;
-  for (int i = 0; i < 10; ++i) {
-    v.ts[i] = tts + i;
-  }
-
-
-  for (int i = 0; i < 1; ++i) {
-    tags[i+0].buffer_type = TSDB_DATA_TYPE_BOOL;
-    tags[i+0].buffer = v.b;
-    tags[i+0].is_null = &one_not_null;
-    tags[i+0].length = NULL;
-
-    tags[i+1].buffer_type = TSDB_DATA_TYPE_SMALLINT;
-    tags[i+1].buffer = v.v2;
-    tags[i+1].is_null = &one_not_null;
-    tags[i+1].length = NULL;
-
-    tags[i+2].buffer_type = TSDB_DATA_TYPE_FLOAT;
-    tags[i+2].buffer = v.f4;
-    tags[i+2].is_null = &one_not_null;
-    tags[i+2].length = NULL;
-
-    tags[i+3].buffer_type = TSDB_DATA_TYPE_BINARY;
-    tags[i+3].buffer = v.bin;
-    tags[i+3].is_null = &one_not_null;
-    tags[i+3].length = (uintptr_t *)lb;
-  }
-
-
-  unsigned long long starttime = taosGetTimestampUs();
-
-  char *sql = "insert into ? using stb1 (id1,id2,id3,id4,id5,id6,id7,id8,id9) tags(1,?,2,?,4,?,6.0,?,'b') values(?,?,?,?,?,?,?,?,?,?)";
-  int code = taos_stmt_prepare(stmt, sql, 0);
-  if (code != 0){
-    printf("failed to execute taos_stmt_prepare. error:%s\n", taos_stmt_errstr(stmt));
-    return -1;
-  }
-
-  int id = 0;
-  for (int zz = 0; zz < 1; zz++) {
-    char buf[32];
-    sprintf(buf, "m%d", zz);
-    code = taos_stmt_set_tbname_tags(stmt, buf, tags);
-    if (code != 0){
-      printf("failed to execute taos_stmt_set_tbname_tags. code:0x%x\n", code);
-    }  
-
-    taos_stmt_bind_param_batch(stmt, params + id * 10);
-    taos_stmt_add_batch(stmt);
-  }
-
-  if (taos_stmt_execute(stmt) != 0) {
-    printf("failed to execute insert statement.\n");
-    exit(1);
-  }
-
-  ++id;
-
-  unsigned long long endtime = taosGetTimestampUs();
-  printf("insert total %d records, used %u seconds, avg:%u useconds\n", 10, (endtime-starttime)/1000000UL, (endtime-starttime)/(10));
-
-  taosMemoryFree(v.ts);  
-  taosMemoryFree(lb);
-  taosMemoryFree(params);
-  taosMemoryFree(is_null);
-  taosMemoryFree(no_null);
-  taosMemoryFree(tags);
-
-  return 0;
-}
-
-
-
-
-
-//1 tables 10 records
-int stmt_funcb_autoctb_e2(TAOS_STMT *stmt) {
-  struct {
-      int64_t *ts;
-      int8_t b[10];
-      int8_t v1[10];
-      int16_t v2[10];
-      int32_t v4[10];
-      int64_t v8[10];
-      float f4[10];
-      double f8[10];
-      char bin[10][40];
-  } v = {0};
-
-  v.ts = taosMemoryMalloc(sizeof(int64_t) * 1 * 10);
-  
-  int *lb = taosMemoryMalloc(10 * sizeof(int));
-
-  TAOS_BIND *tags = taosMemoryCalloc(1, sizeof(TAOS_BIND) * 9 * 1);
-  TAOS_MULTI_BIND *params = taosMemoryCalloc(1, sizeof(TAOS_MULTI_BIND) * 1*10);
-
-  unsigned long long starttime = taosGetTimestampUs();
-
-  char *sql = "insert into ? using stb1 tags(?,?,?,?,?,?,?,?,?) values(?,?,?,?,?,?,?,?,?,?)";
-  int code = taos_stmt_prepare(stmt, sql, 0);
-  if (code != 0){
-    printf("failed to execute taos_stmt_prepare. code:0x%x\n", code);
-    exit(1);
-  }
-
-  int id = 0;
-  for (int zz = 0; zz < 1; zz++) {
-    char buf[32];
-    sprintf(buf, "m%d", zz);
-    code = taos_stmt_set_tbname_tags(stmt, buf, NULL);
-    if (code != 0){
-      printf("failed to execute taos_stmt_set_tbname_tags. code:%s\n", taos_stmt_errstr(stmt));
-      return -1;
-    }  
-
-    taos_stmt_bind_param_batch(stmt, params + id * 10);
-    taos_stmt_add_batch(stmt);
-  }
-
-  if (taos_stmt_execute(stmt) != 0) {
-    printf("failed to execute insert statement.\n");
-    exit(1);
-  }
-
-  ++id;
-
-  unsigned long long endtime = taosGetTimestampUs();
-  printf("insert total %d records, used %u seconds, avg:%u useconds\n", 10, (endtime-starttime)/1000000UL, (endtime-starttime)/(10));
-
-  taosMemoryFree(v.ts);  
-  taosMemoryFree(lb);
-  taosMemoryFree(params);
-  taosMemoryFree(is_null);
-  taosMemoryFree(no_null);
-  taosMemoryFree(tags);
-
-  return 0;
-}
-
-
-
-
-
-
-
-//1 tables 10 records
-int stmt_funcb_autoctb_e3(TAOS_STMT *stmt) {
-  struct {
-      int64_t *ts;
-      int8_t b[10];
-      int8_t v1[10];
-      int16_t v2[10];
-      int32_t v4[10];
-      int64_t v8[10];
-      float f4[10];
-      double f8[10];
-      char bin[10][40];
-  } v = {0};
-
-  v.ts = taosMemoryMalloc(sizeof(int64_t) * 1 * 10);
-  
-  int *lb = taosMemoryMalloc(10 * sizeof(int));
-
-  TAOS_BIND *tags = taosMemoryCalloc(1, sizeof(TAOS_BIND) * 9 * 1);
-  TAOS_MULTI_BIND *params = taosMemoryCalloc(1, sizeof(TAOS_MULTI_BIND) * 1*10);
-
-
-  unsigned long long starttime = taosGetTimestampUs();
-
-  char *sql = "insert into ? using stb1 (id1,id2,id3,id4,id5,id6,id7,id8,id9) tags(?,?,?,?,?,?,?,?,?) values(?,?,?,?,?,?,?,?,?,?)";
-  int code = taos_stmt_prepare(stmt, sql, 0);
-  if (code != 0){
-    printf("failed to execute taos_stmt_prepare. code:%s\n", taos_stmt_errstr(stmt));
-    return -1;
-    //exit(1);
-  }
-
-  int id = 0;
-  for (int zz = 0; zz < 1; zz++) {
-    char buf[32];
-    sprintf(buf, "m%d", zz);
-    code = taos_stmt_set_tbname_tags(stmt, buf, NULL);
-    if (code != 0){
-      printf("failed to execute taos_stmt_set_tbname_tags. code:0x%x\n", code);
-      return -1;
-    }  
-
-    taos_stmt_bind_param_batch(stmt, params + id * 10);
-    taos_stmt_add_batch(stmt);
-  }
-
-  if (taos_stmt_execute(stmt) != 0) {
-    printf("failed to execute insert statement.\n");
-    exit(1);
-  }
-
-  ++id;
-
-  unsigned long long endtime = taosGetTimestampUs();
-  printf("insert total %d records, used %u seconds, avg:%u useconds\n", 10, (endtime-starttime)/1000000UL, (endtime-starttime)/(10));
-
-  taosMemoryFree(v.ts);  
-  taosMemoryFree(lb);
-  taosMemoryFree(params);
-  taosMemoryFree(is_null);
-  taosMemoryFree(no_null);
-  taosMemoryFree(tags);
-
-  return 0;
-}
-
-
-
-
-//1 tables 10 records
-int stmt_funcb_autoctb_e4(TAOS_STMT *stmt) {
-  struct {
-      int64_t *ts;
-      int8_t b[10];
-      int8_t v1[10];
-      int16_t v2[10];
-      int32_t v4[10];
-      int64_t v8[10];
-      float f4[10];
-      double f8[10];
-      char bin[10][40];
-  } v = {0};
-
-  v.ts = taosMemoryMalloc(sizeof(int64_t) * 1 * 10);
-  
-  int *lb = taosMemoryMalloc(10 * sizeof(int));
-
-  TAOS_BIND *tags = taosMemoryCalloc(1, sizeof(TAOS_BIND) * 9 * 1);
-  TAOS_MULTI_BIND *params = taosMemoryCalloc(1, sizeof(TAOS_MULTI_BIND) * 1*10);
-
-  unsigned long long starttime = taosGetTimestampUs();
-
-  char *sql = "insert into ? using stb1 tags(?,?,?,?,?,?,?,?,?) values(?,?,?,?,?,?,?,?,?,?)";
-  int code = taos_stmt_prepare(stmt, sql, 0);
-  if (code != 0){
-    printf("failed to execute taos_stmt_prepare. code:%s\n", taos_stmt_errstr(stmt));
-    exit(1);
-  }
-
-  int id = 0;
-  for (int zz = 0; zz < 1; zz++) {
-    char buf[32];
-    sprintf(buf, "m%d", zz);
-    code = taos_stmt_set_tbname_tags(stmt, buf, tags);
-    if (code != 0){
-      printf("failed to execute taos_stmt_set_tbname_tags. error:%s\n", taos_stmt_errstr(stmt));
-      exit(1);
-    }  
-
-    code = taos_stmt_bind_param_batch(stmt, params + id * 10);
-    if (code != 0) {
-      printf("failed to execute taos_stmt_bind_param_batch. error:%s\n", taos_stmt_errstr(stmt));
-      exit(1);
-    }
-    
-    code = taos_stmt_bind_param_batch(stmt, params + id * 10);
-    if (code != 0) {
-      printf("failed to execute taos_stmt_bind_param_batch. error:%s\n", taos_stmt_errstr(stmt));
-      return -1;
-    }
-    
-    taos_stmt_add_batch(stmt);
-  }
-
-  if (taos_stmt_execute(stmt) != 0) {
-    printf("failed to execute insert statement.\n");
-    exit(1);
-  }
-
-  ++id;
-
-  unsigned long long endtime = taosGetTimestampUs();
-  printf("insert total %d records, used %u seconds, avg:%u useconds\n", 10, (endtime-starttime)/1000000UL, (endtime-starttime)/(10));
-
-  taosMemoryFree(v.ts);  
-  taosMemoryFree(lb);
-  taosMemoryFree(params);
-  taosMemoryFree(is_null);
-  taosMemoryFree(no_null);
-  taosMemoryFree(tags);
-
-  return 0;
-}
-
-
-
-
-
-
-//1 tables 10 records
-int stmt_funcb_autoctb_e5(TAOS_STMT *stmt) {
-  struct {
-      int64_t *ts;
-      int8_t b[10];
-      int8_t v1[10];
-      int16_t v2[10];
-      int32_t v4[10];
-      int64_t v8[10];
-      float f4[10];
-      double f8[10];
-      char bin[10][40];
-  } v = {0};
-
-  v.ts = taosMemoryMalloc(sizeof(int64_t) * 1 * 10);
-  
-  int *lb = taosMemoryMalloc(10 * sizeof(int));
-
-  TAOS_BIND *tags = taosMemoryCalloc(1, sizeof(TAOS_BIND) * 9 * 1);
-  TAOS_MULTI_BIND *params = taosMemoryCalloc(1, sizeof(TAOS_MULTI_BIND) * 1*10);
-
-  unsigned long long starttime = taosGetTimestampUs();
-
-  char *sql = "insert into ? using stb1 tags(?,?,?,?,?,?,?,?,?) values(?,?,?,?,?,?,?,?,?,?)";
-  int code = taos_stmt_prepare(NULL, sql, 0);
-  if (code != 0){
-    printf("failed to execute taos_stmt_prepare. code:%s\n", taos_stmt_errstr(NULL));
-    return -1;
-  }
-
-  int id = 0;
-  for (int zz = 0; zz < 1; zz++) {
-    char buf[32];
-    sprintf(buf, "m%d", zz);
-    code = taos_stmt_set_tbname_tags(stmt, buf, tags);
-    if (code != 0){
-      printf("failed to execute taos_stmt_set_tbname_tags. error:%s\n", taos_stmt_errstr(stmt));
-      exit(1);
-    }  
-
-    code = taos_stmt_bind_param_batch(stmt, params + id * 10);
-    if (code != 0) {
-      printf("failed to execute taos_stmt_bind_param_batch. error:%s\n", taos_stmt_errstr(stmt));
-      exit(1);
-    }
-    
-    code = taos_stmt_bind_param_batch(stmt, params + id * 10);
-    if (code != 0) {
-      printf("failed to execute taos_stmt_bind_param_batch. error:%s\n", taos_stmt_errstr(stmt));
-      return -1;
-    }
-    
-    taos_stmt_add_batch(stmt);
-  }
-
-  if (taos_stmt_execute(stmt) != 0) {
-    printf("failed to execute insert statement.\n");
-    exit(1);
-  }
-
-  ++id;
-
-  unsigned long long endtime = taosGetTimestampUs();
-  printf("insert total %d records, used %u seconds, avg:%u useconds\n", 10, (endtime-starttime)/1000000UL, (endtime-starttime)/(10));
-
-  taosMemoryFree(v.ts);  
-  taosMemoryFree(lb);
-  taosMemoryFree(params);
-  taosMemoryFree(is_null);
-  taosMemoryFree(no_null);
-  taosMemoryFree(tags);
-
-  return 0;
-}
-
-#endif
-
-
 void prepareCheckResultImpl(TAOS     * taos, char *tname, bool printr, int expected, bool silent) {
   char sql[255] = "SELECT * FROM ";
   int32_t rows = 0;
@@ -3332,6 +2221,7 @@ int32_t runCase(TAOS *taos, int32_t caseIdx, int32_t caseRunIdx, bool silent) {
   TAOS_STMT *stmt = NULL;
   int64_t beginUs, endUs, totalUs;  
   CaseCfg cfg = gCase[caseIdx];
+  CaseCfg cfgBk;
   gCurCase = &cfg;
   
   if ((gCaseCtrl.bindColTypeNum || gCaseCtrl.bindColNum) && (gCurCase->colNum != gFullColNum)) {
@@ -3402,6 +2292,7 @@ int32_t runCase(TAOS *taos, int32_t caseIdx, int32_t caseRunIdx, bool silent) {
   }
   
   totalUs = 0;
+  cfgBk = cfg;
   for (int32_t n = 0; n < gCurCase->runTimes; ++n) {
     if (gCurCase->preCaseIdx < 0) {
       prepare(taos, gCurCase->colNum, gCurCase->colList, gCurCase->autoCreateTbl);
@@ -3423,6 +2314,8 @@ int32_t runCase(TAOS *taos, int32_t caseIdx, int32_t caseRunIdx, bool silent) {
     totalUs += (endUs - beginUs);
 
     prepareCheckResult(taos, silent);
+
+    cfg = cfgBk;
   }
 
   if (!silent) {  
@@ -3465,16 +2358,20 @@ void* runCaseList(TAOS *taos) {
 }
 
 void runAll(TAOS *taos) {
-/*
+#if 1
+
   strcpy(gCaseCtrl.caseCatalog, "Normal Test");
   printf("%s Begin\n", gCaseCtrl.caseCatalog);
   runCaseList(taos);
-*/
+
+
   strcpy(gCaseCtrl.caseCatalog, "Auto Create Table Test");
   gCaseCtrl.autoCreateTbl = true;
   printf("%s Begin\n", gCaseCtrl.caseCatalog);
   runCaseList(taos);
   gCaseCtrl.autoCreateTbl = false;
+  
+#endif
 
 /*
   strcpy(gCaseCtrl.caseCatalog, "Null Test");
@@ -3496,6 +2393,7 @@ void runAll(TAOS *taos) {
   runCaseList(taos);
   gCaseCtrl.rowNum = 0;
   gCaseCtrl.printRes = true;
+*/
 
   strcpy(gCaseCtrl.caseCatalog, "Runtimes Test");
   printf("%s Begin\n", gCaseCtrl.caseCatalog);
@@ -3503,12 +2401,15 @@ void runAll(TAOS *taos) {
   runCaseList(taos);
   gCaseCtrl.runTimes = 0;
 
+#if 1
   strcpy(gCaseCtrl.caseCatalog, "Check Param Test");
   printf("%s Begin\n", gCaseCtrl.caseCatalog);
   gCaseCtrl.checkParamNum = true;
   runCaseList(taos);
   gCaseCtrl.checkParamNum = false;
+#endif
 
+/*
   strcpy(gCaseCtrl.caseCatalog, "Bind Col Num Test");
   printf("%s Begin\n", gCaseCtrl.caseCatalog);
   gCaseCtrl.bindColNum = 6;
diff --git a/tests/script/tsim/db/alter_option.sim b/tests/script/tsim/db/alter_option.sim
index 40882306c8..aeb04293f2 100644
--- a/tests/script/tsim/db/alter_option.sim
+++ b/tests/script/tsim/db/alter_option.sim
@@ -66,7 +66,7 @@ print ============= create database
 #  | REPLICA value      [1 | 3]
 #  | WAL value          [1 | 2]
 
-sql create database db CACHELAST 3 COMP 0 DAYS 345600 FSYNC 1000 MAXROWS 8000 MINROWS 10 KEEP 1440000 PRECISION 'ns' REPLICA 3 WAL 2 VGROUPS 6 SINGLE_STABLE 1
+sql create database db CACHELAST 3 COMP 0 DAYS 240 FSYNC 1000 MAXROWS 8000 MINROWS 10 KEEP 1000 PRECISION 'ns' REPLICA 3 WAL 2 VGROUPS 6 SINGLE_STABLE 1
 sql show databases
 print rows: $rows
 print $data00 $data01 $data02 $data03 $data04 $data05 $data06 $data07 $data08 $data09
@@ -229,7 +229,7 @@ sql_error alter database db days 0
 sql_error alter database db days 14400  # set over than keep
 
 print ============== modify keep
-sql alter database db keep 3456000
+sql alter database db keep 2400
 sql show databases
 print keep $data7_db
 if $data7_db != 3456000,3456000,3456000 then
diff --git a/tests/script/tsim/db/basic6.sim b/tests/script/tsim/db/basic6.sim
index 8075e54f9e..9075ebb2e8 100644
--- a/tests/script/tsim/db/basic6.sim
+++ b/tests/script/tsim/db/basic6.sim
@@ -15,8 +15,7 @@ $tb = $tbPrefix . $i
 
 print =============== step1
 # quorum  presicion 
-#sql create database $db vgroups 8 replica 1 days 2880 keep 3650 cache 32 blocks 12 minrows 80 maxrows 10000 wal 2 fsync 1000 comp 0 cachelast 2 precision 'us'
-sql create database $db vgroups 8 replica 1 days 2880 keep 3650 minrows 80 maxrows 10000 wal 2 fsync 1000 comp 0 cachelast 2 precision 'us'
+sql create database $db vgroups 8 replica 1 days 2 keep 10 minrows 80 maxrows 10000 wal 2 fsync 1000 comp 0 cachelast 2 precision 'us'
 sql show databases
 print $data00 $data01 $data02 $data03 $data04 $data05 $data06 $data07 $data08 $data09
 
@@ -38,7 +37,7 @@ endi
 if $data26 != 2880 then
   return -1
 endi
-if $data27 != 3650,3650,3650 then
+if $data27 != 14400,14400,14400 then
   return -1
 endi
 #if $data28 != 32 then
@@ -67,7 +66,7 @@ print =============== step4
 sql_error drop database $db
 
 print =============== step5
-sql create database $db replica 1 days 21600 keep 2160000
+sql create database $db replica 1 days 15 keep 1500
 sql show databases
 print $data00 $data01 $data02 $data03 $data04 $data05 $data06 $data07
 if $data20 != $db then