diff --git a/src/client/inc/tscUtil.h b/src/client/inc/tscUtil.h
index 804e8a2920a1a45c8d24edebfa9f4e91eefd9355..6de9e8f15a1888ee92490c642ffa96825d1680cf 100644
--- a/src/client/inc/tscUtil.h
+++ b/src/client/inc/tscUtil.h
@@ -302,8 +302,9 @@ void tscTryQueryNextVnode(SSqlObj *pSql, __async_cb_func_t fp);
 void tscAsyncQuerySingleRowForNextVnode(void *param, TAOS_RES *tres, int numOfRows);
 void tscTryQueryNextClause(SSqlObj* pSql, __async_cb_func_t fp);
 int  tscSetMgmtEpSetFromCfg(const char *first, const char *second, SRpcCorEpSet *corEpSet);
-int32_t getMultiTableMetaFromMnode(SSqlObj *pSql, SArray* pNameList, SArray* pVgroupList);
-int tscTransferTableNameList(SSqlObj *pSql, const char *pNameList, int32_t length);
+int32_t getMultiTableMetaFromMnode(SSqlObj *pSql, SArray* pNameList, SArray* pVgroupNameList, __async_cb_func_t fp);
+
+int tscTransferTableNameList(SSqlObj *pSql, const char *pNameList, int32_t length, SArray* pNameArray);
 
 bool subAndCheckDone(SSqlObj *pSql, SSqlObj *pParentSql, int idx);
 
diff --git a/src/client/inc/tsclient.h b/src/client/inc/tsclient.h
index 3e203bb7155ce8261e99a0550c53a53bcc79a33d..c1a85b6d27aebbc34da29e8ea207b2b62c50e728 100644
--- a/src/client/inc/tsclient.h
+++ b/src/client/inc/tsclient.h
@@ -492,7 +492,7 @@ char *tscGetErrorMsgPayload(SSqlCmd *pCmd);
 int32_t tscInvalidSQLErrMsg(char *msg, const char *additionalInfo, const char *sql);
 int32_t tscSQLSyntaxErrMsg(char* msg, const char* additionalInfo,  const char* sql);
 
-int32_t tscToSQLCmd(SSqlObj *pSql, struct SSqlInfo *pInfo);
+int32_t tscValidateSqlInfo(SSqlObj *pSql, struct SSqlInfo *pInfo);
 
 extern int32_t    sentinel;
 extern SHashObj  *tscVgroupMap;
diff --git a/src/client/src/tscAsync.c b/src/client/src/tscAsync.c
index 68e41310c6576465d2f75fe39c989f5a86a43239..47798f4e339b6f84231ba4f83ef7dfe702be1677 100644
--- a/src/client/src/tscAsync.c
+++ b/src/client/src/tscAsync.c
@@ -482,28 +482,9 @@ void tscTableMetaCallBack(void *param, TAOS_RES *res, int code) {
       return;
     }
   } else {  // stream computing
-    SQueryInfo* pQueryInfo = tscGetQueryInfo(pCmd);
-    STableMetaInfo *pTableMetaInfo = pQueryInfo->pTableMetaInfo[0];
+    tscDebug("0x%"PRIx64" stream:%p meta is updated, start new query, command:%d", pSql->self, pSql->pStream, pCmd->command);
 
-    code = tscGetTableMeta(pSql, pTableMetaInfo);
-    if (code == TSDB_CODE_TSC_ACTION_IN_PROGRESS) {
-      taosReleaseRef(tscObjRef, pSql->self);
-      return;
-    } else if (code != TSDB_CODE_SUCCESS) {
-      goto _error;
-    }
-
-    if (UTIL_TABLE_IS_SUPER_TABLE(pTableMetaInfo)) {
-      code = tscGetSTableVgroupInfo(pSql, pQueryInfo);
-      if (code == TSDB_CODE_TSC_ACTION_IN_PROGRESS) {
-        taosReleaseRef(tscObjRef, pSql->self);
-        return;
-      } else if (code != TSDB_CODE_SUCCESS) {
-        goto _error;
-      }
-    }
-
-    tscDebug("0x%"PRIx64" stream:%p meta is updated, start new query, command:%d", pSql->self, pSql->pStream, pSql->cmd.command);
+    SQueryInfo* pQueryInfo = tscGetQueryInfo(pCmd);
     if (tscNumOfExprs(pQueryInfo) == 0) {
       tsParseSql(pSql, false);
     }
diff --git a/src/client/src/tscParseInsert.c b/src/client/src/tscParseInsert.c
index a305c3cf82923c8495a1491c023fa9997085f189..cc89fd6220cfc24faf36157ba7541aa497f2e523 100644
--- a/src/client/src/tscParseInsert.c
+++ b/src/client/src/tscParseInsert.c
@@ -1014,12 +1014,16 @@ int validateTableName(char *tblName, int len, SStrToken* psTblToken) {
 }
 
 static int32_t validateDataSource(SSqlCmd *pCmd, int32_t type, const char *sql) {
-  if (pCmd->insertParam.insertType != 0 && !TSDB_QUERY_HAS_TYPE(pCmd->insertParam.insertType, type)) {
-    return tscInvalidSQLErrMsg(pCmd->payload, "keyword VALUES and FILE are not allowed to mix up", sql);
+  uint32_t *insertType = &pCmd->insertParam.insertType;
+  if (*insertType == TSDB_QUERY_TYPE_STMT_INSERT && type == TSDB_QUERY_TYPE_INSERT) {
+    return TSDB_CODE_SUCCESS;
   }
 
+  if ((*insertType) != 0 && (*insertType) != type) {
+    return tscInvalidSQLErrMsg(pCmd->payload, "keyword VALUES and FILE are not allowed to mixed up", sql);
+  }
 
-  pCmd->insertParam.insertType = type;
+  *insertType = type;
   return TSDB_CODE_SUCCESS;
 }
 
@@ -1368,18 +1372,18 @@ int tsParseSql(SSqlObj *pSql, bool initial) {
       }
     }
   } else {
-    SSqlInfo SQLInfo = qSqlParse(pSql->sqlstr);
-    ret = tscToSQLCmd(pSql, &SQLInfo);
-    if (ret == TSDB_CODE_TSC_INVALID_OPERATION && pSql->parseRetry < 1 && SQLInfo.type == TSDB_SQL_SELECT) {
+    SSqlInfo sqlInfo = qSqlParse(pSql->sqlstr);
+    ret = tscValidateSqlInfo(pSql, &sqlInfo);
+    if (ret == TSDB_CODE_TSC_INVALID_OPERATION && pSql->parseRetry < 1 && sqlInfo.type == TSDB_SQL_SELECT) {
       tscDebug("0x%"PRIx64 " parse query sql statement failed, code:%s, clear meta cache and retry ", pSql->self, tstrerror(ret));
 
       tscResetSqlCmd(pCmd, true);
       pSql->parseRetry++;
 
-      ret = tscToSQLCmd(pSql, &SQLInfo);
+      ret = tscValidateSqlInfo(pSql, &sqlInfo);
     }
 
-    SqlInfoDestroy(&SQLInfo);
+    SqlInfoDestroy(&sqlInfo);
   }
 
   /*
diff --git a/src/client/src/tscPrepare.c b/src/client/src/tscPrepare.c
index b9950b0776284f202830459b46a0c650a8e81768..4e6285c844ded6dee59658783f7e4dc5c9fe0ecb 100644
--- a/src/client/src/tscPrepare.c
+++ b/src/client/src/tscPrepare.c
@@ -1219,6 +1219,7 @@ TAOS_STMT* taos_stmt_init(TAOS* taos) {
   pStmt->taos = pObj;
 
   SSqlObj* pSql = calloc(1, sizeof(SSqlObj));
+
   if (pSql == NULL) {
     free(pStmt);
     terrno = TSDB_CODE_TSC_OUT_OF_MEMORY;
@@ -1613,9 +1614,10 @@ int taos_stmt_execute(TAOS_STMT* stmt) {
       ret = TSDB_CODE_TSC_OUT_OF_MEMORY;
     } else {
       if (pStmt->pSql != NULL) {
-        taos_free_result(pStmt->pSql);
+        tscFreeSqlObj(pStmt->pSql);
         pStmt->pSql = NULL;
       }
+
       pStmt->pSql = taos_query((TAOS*)pStmt->taos, sql);
       ret = taos_errno(pStmt->pSql);
       free(sql);
diff --git a/src/client/src/tscSQLParser.c b/src/client/src/tscSQLParser.c
index b3ece963bdacf628101c40a1bebb143b135d8f52..d9be43b412342ec810cb07b1a29d3beaaa75cd89 100644
--- a/src/client/src/tscSQLParser.c
+++ b/src/client/src/tscSQLParser.c
@@ -279,7 +279,7 @@ static int32_t normalizeVarDataTypeLength(SSqlCmd* pCmd) {
   return TSDB_CODE_SUCCESS;
 }
 
-int32_t tscToSQLCmd(SSqlObj* pSql, struct SSqlInfo* pInfo) {
+int32_t tscValidateSqlInfo(SSqlObj* pSql, struct SSqlInfo* pInfo) {
   if (pInfo == NULL || pSql == NULL) {
     return TSDB_CODE_TSC_APP_ERROR;
   }
@@ -7152,6 +7152,7 @@ static int32_t getTableNameFromSubquery(SSqlNode* pSqlNode, SArray* tableNameLis
   return TSDB_CODE_SUCCESS;
 }
 
+void tscTableMetaCallBack(void *param, TAOS_RES *res, int code);
 static void freeElem(void* p) {
   tfree(*(char**)p);
 }
@@ -7244,7 +7245,7 @@ int32_t loadAllTableMeta(SSqlObj* pSql, struct SSqlInfo* pInfo) {
 
   // load the table meta for a given table name list
   if (taosArrayGetSize(plist) > 0 || taosArrayGetSize(pVgroupList) > 0) {
-    code = getMultiTableMetaFromMnode(pSql, plist, pVgroupList);
+    code = getMultiTableMetaFromMnode(pSql, plist, pVgroupList, tscTableMetaCallBack);
   }
 
 _end:
@@ -7253,7 +7254,7 @@ _end:
   }
 
   if (pVgroupList != NULL) {
-    taosArrayDestroy(pVgroupList);
+    taosArrayDestroyEx(pVgroupList, freeElem);
   }
 
   if (tableNameList != NULL) {
@@ -7421,10 +7422,6 @@ int32_t validateSqlNode(SSqlObj* pSql, SSqlNode* pSqlNode, SQueryInfo* pQueryInf
   const char* msg1 = "point interpolation query needs timestamp";
   const char* msg2 = "too many tables in from clause";
   const char* msg3 = "start(end) time of query range required or time range too large";
-  // const char* msg5 = "too many columns in selection clause";
-  // const char* msg6 = "too many tables in from clause";
-  // const char* msg7 = "invalid table alias name";
-  // const char* msg8 = "alias name too long";
   const char* msg9 = "only tag query not compatible with normal column filter";
 
   int32_t code = TSDB_CODE_SUCCESS;
diff --git a/src/client/src/tscServer.c b/src/client/src/tscServer.c
index ddac9f3ba4c19efd71836cc3b02201fb79941b1e..a3032a342e1d97278e38033092f05441209c3eb1 100644
--- a/src/client/src/tscServer.c
+++ b/src/client/src/tscServer.c
@@ -2061,11 +2061,22 @@ int tscProcessSTableVgroupRsp(SSqlObj *pSql) {
   char *pMsg = pRes->pRsp + sizeof(SSTableVgroupRspMsg);
 
   SSqlCmd* pCmd = &parent->cmd;
+  SQueryInfo* pQueryInfo = tscGetQueryInfo(pCmd);
+
   for(int32_t i = 0; i < pStableVgroup->numOfTables; ++i) {
-    STableMetaInfo *pInfo = tscGetTableMetaInfoFromCmd(pCmd, i);
+    char* name = pMsg;
+    pMsg += TSDB_TABLE_NAME_LEN;
 
-    SVgroupsMsg *pVgroupMsg = (SVgroupsMsg *) pMsg;
-    pVgroupMsg->numOfVgroups = htonl(pVgroupMsg->numOfVgroups);
+    STableMetaInfo *pInfo = NULL;
+    for(int32_t j = 0; j < pQueryInfo->numOfTables; ++j) {
+      STableMetaInfo *pInfo1 = tscGetTableMetaInfoFromCmd(pCmd, j);
+      if (strcmp(name, tNameGetTableName(&pInfo1->name)) != 0) {
+        continue;
+      }
+
+      pInfo = pInfo1;
+      break;
+    }
 
     int32_t size = 0;
     pInfo->vgroupList = createVgroupInfoFromMsg(pMsg, &size, pSql->self);
@@ -2407,7 +2418,7 @@ static int32_t getTableMetaFromMnode(SSqlObj *pSql, STableMetaInfo *pTableMetaIn
   return code;
 }
 
-int32_t getMultiTableMetaFromMnode(SSqlObj *pSql, SArray* pNameList, SArray* pVgroupNameList) {
+int32_t getMultiTableMetaFromMnode(SSqlObj *pSql, SArray* pNameList, SArray* pVgroupNameList, __async_cb_func_t fp) {
   SSqlObj *pNew = calloc(1, sizeof(SSqlObj));
   if (NULL == pNew) {
     tscError("0x%"PRIx64" failed to allocate sqlobj to get multiple table meta", pSql->self);
@@ -2463,7 +2474,7 @@ int32_t getMultiTableMetaFromMnode(SSqlObj *pSql, SArray* pNameList, SArray* pVg
   tscDebug("0x%"PRIx64" new pSqlObj:0x%"PRIx64" to get %d tableMeta, vgroupInfo:%d, msg size:%d", pSql->self,
       pNew->self, numOfTable, numOfVgroupList, pNew->cmd.payloadLen);
 
-  pNew->fp = tscTableMetaCallBack;
+  pNew->fp = fp;
   pNew->param = (void *)pSql->self;
 
   tscDebug("0x%"PRIx64" metaRid from %" PRId64 " to %" PRId64 , pSql->self, pSql->metaRid, pNew->self);
diff --git a/src/client/src/tscSql.c b/src/client/src/tscSql.c
index 8fe46d9b65beeb977ac4d88789018fe52c488891..1ffa6416b221fdcaf7d8f1ba2a13d6cce14ca027 100644
--- a/src/client/src/tscSql.c
+++ b/src/client/src/tscSql.c
@@ -872,15 +872,11 @@ int taos_validate_sql(TAOS *taos, const char *sql) {
 
   SSqlObj* pSql = calloc(1, sizeof(SSqlObj));
 
-  pSql->pTscObj = taos;
+  pSql->pTscObj  = taos;
   pSql->signature = pSql;
-
-  SSqlRes *pRes = &pSql->res;
   SSqlCmd *pCmd = &pSql->cmd;
   
-  pRes->numOfTotal = 0;
-  pRes->numOfClauseTotal = 0;
-
+  pCmd->resColumnId = TSDB_RES_COL_ID;
 
   tscDebug("0x%"PRIx64" Valid SQL: %s pObj:%p", pSql->self, sql, pObj);
 
@@ -900,7 +896,7 @@ int taos_validate_sql(TAOS *taos, const char *sql) {
 
   strtolower(pSql->sqlstr, sql);
 
-  pCmd->curSql = NULL;
+//  pCmd->curSql = NULL;
   if (NULL != pCmd->insertParam.pTableBlockHashList) {
     taosHashCleanup(pCmd->insertParam.pTableBlockHashList);
     pCmd->insertParam.pTableBlockHashList = NULL;
@@ -925,6 +921,21 @@ int taos_validate_sql(TAOS *taos, const char *sql) {
   return code;
 }
 
+void loadMultiTableMetaCallback(void *param, TAOS_RES *res, int code) {
+  SSqlObj* pSql = (SSqlObj*)taosAcquireRef(tscObjRef, (int64_t)param);
+  if (pSql == NULL) {
+    return;
+  }
+
+  taosReleaseRef(tscObjRef, pSql->self);
+  pSql->res.code = code;
+  tsem_post(&pSql->rspSem);
+}
+
+static void freeElem(void* p) {
+  tfree(*(char**)p);
+}
+
 int taos_load_table_info(TAOS *taos, const char *tableNameList) {
   const int32_t MAX_TABLE_NAME_LENGTH = 12 * 1024 * 1024;  // 12MB list
 
@@ -937,7 +948,9 @@ int taos_load_table_info(TAOS *taos, const char *tableNameList) {
   SSqlObj* pSql = calloc(1, sizeof(SSqlObj));
   pSql->pTscObj = taos;
   pSql->signature = pSql;
+
   pSql->fp = NULL;        // todo set the correct callback function pointer
+  pSql->cmd.pTableMetaMap = taosHashInit(4, taosGetDefaultHashFunction(TSDB_DATA_TYPE_BINARY), false, HASH_NO_LOCK);
 
   int32_t length = (int32_t)strlen(tableNameList);
   if (length > MAX_TABLE_NAME_LENGTH) {
@@ -954,9 +967,12 @@ int taos_load_table_info(TAOS *taos, const char *tableNameList) {
   }
 
   strtolower(str, tableNameList);
-  int32_t code = (uint8_t) tscTransferTableNameList(pSql, str, length);
+  SArray* plist = taosArrayInit(4, POINTER_BYTES);
+  SArray* vgroupList = taosArrayInit(4, POINTER_BYTES);
 
+  int32_t code = (uint8_t) tscTransferTableNameList(pSql, str, length, plist);
   free(str);
+
   if (code != TSDB_CODE_SUCCESS) {
     tscFreeSqlObj(pSql);
     return code;
@@ -964,6 +980,21 @@ int taos_load_table_info(TAOS *taos, const char *tableNameList) {
 
   registerSqlObj(pSql);
   tscDebug("0x%"PRIx64" load multiple table meta, tableNameList: %s pObj:%p", pSql->self, tableNameList, pObj);
-  executeQuery(pSql, NULL);
+
+  code = getMultiTableMetaFromMnode(pSql, plist, vgroupList, loadMultiTableMetaCallback);
+  if (code == TSDB_CODE_TSC_ACTION_IN_PROGRESS) {
+    code = TSDB_CODE_SUCCESS;
+  }
+
+  taosArrayDestroyEx(plist, freeElem);
+  taosArrayDestroyEx(vgroupList, freeElem);
+
+  if (code != TSDB_CODE_SUCCESS) {
+    tscFreeRegisteredSqlObj(pSql);
+    return code;
+  }
+
+  tsem_wait(&pSql->rspSem);
+  tscFreeRegisteredSqlObj(pSql);
   return code;
 }
diff --git a/src/client/src/tscStream.c b/src/client/src/tscStream.c
index 00be5b6e3f862ef957928d5925e2b3cdcdbd951c..8e11fd0cfb435e0eadc24ecdcd175163f81e797b 100644
--- a/src/client/src/tscStream.c
+++ b/src/client/src/tscStream.c
@@ -94,7 +94,7 @@ static void doLaunchQuery(void* param, TAOS_RES* tres, int32_t code) {
 
   code = tscGetTableMeta(pSql, pTableMetaInfo);
   if (code == 0 && UTIL_TABLE_IS_SUPER_TABLE(pTableMetaInfo)) {
-    code = tscGetSTableVgroupInfo(pSql, 0);
+    code = tscGetSTableVgroupInfo(pSql, pQueryInfo);
   }
 
   if (code == TSDB_CODE_TSC_ACTION_IN_PROGRESS) {
@@ -614,16 +614,16 @@ TAOS_STREAM *taos_open_stream(TAOS *taos, const char *sqlstr, void (*fp)(void *p
     return NULL;
   }
 
-  pStream->stime = stime;
-  pStream->fp = fp;
+  pStream->stime    = stime;
+  pStream->fp       = fp;
   pStream->callback = callback;
-  pStream->param = param;
-  pStream->pSql = pSql;
-  pSql->pStream = pStream;
-  pSql->param = pStream;
-  pSql->maxRetry = TSDB_MAX_REPLICA;
+  pStream->param    = param;
+  pStream->pSql     = pSql;
 
-  pSql->sqlstr = calloc(1, strlen(sqlstr) + 1);
+  pSql->pStream  = pStream;
+  pSql->param    = pStream;
+  pSql->maxRetry = TSDB_MAX_REPLICA;
+  pSql->sqlstr   = calloc(1, strlen(sqlstr) + 1);
   if (pSql->sqlstr == NULL) {
     tscError("0x%"PRIx64" failed to malloc sql string buffer", pSql->self);
     tscFreeSqlObj(pSql);
@@ -632,14 +632,14 @@ TAOS_STREAM *taos_open_stream(TAOS *taos, const char *sqlstr, void (*fp)(void *p
   }
 
   strtolower(pSql->sqlstr, sqlstr);
+  pSql->fp      = tscCreateStream;
+  pSql->fetchFp = tscCreateStream;
+  pSql->cmd.resColumnId = TSDB_RES_COL_ID;
 
+  tsem_init(&pSql->rspSem, 0, 0);
   registerSqlObj(pSql);
 
   tscDebugL("0x%"PRIx64" SQL: %s", pSql->self, pSql->sqlstr);
-  tsem_init(&pSql->rspSem, 0, 0);
-
-  pSql->fp = tscCreateStream;
-  pSql->fetchFp = tscCreateStream;
 
   int32_t code = tsParseSql(pSql, true);
   if (code == TSDB_CODE_SUCCESS) {
diff --git a/src/client/src/tscSub.c b/src/client/src/tscSub.c
index 539ed85ebea96bace57bef3a547e5927d5e1d105..42330aa18e48eb60389ef3056c96a2aab386a6ca 100644
--- a/src/client/src/tscSub.c
+++ b/src/client/src/tscSub.c
@@ -151,6 +151,7 @@ static SSub* tscCreateSubscription(STscObj* pObj, const char* topic, const char*
   strtolower(pSql->sqlstr, pSql->sqlstr);
   pRes->qId = 0;
   pRes->numOfRows = 1;
+  pCmd->resColumnId = TSDB_RES_COL_ID;
 
   code = tscAllocPayload(pCmd, TSDB_DEFAULT_PAYLOAD_SIZE);
   if (code != TSDB_CODE_SUCCESS) {
diff --git a/src/client/src/tscSubquery.c b/src/client/src/tscSubquery.c
index eb2e1757d78453830c6c2b96122b952edbbae4fa..325281dce59d765e3432cb8732d76ca8067e278b 100644
--- a/src/client/src/tscSubquery.c
+++ b/src/client/src/tscSubquery.c
@@ -2289,15 +2289,20 @@ int32_t tscHandleFirstRoundStableQuery(SSqlObj *pSql) {
   SSqlObj *pNew = createSubqueryObj(pSql, 0, tscFirstRoundCallback, pSup, TSDB_SQL_SELECT, NULL);
   SSqlCmd *pCmd = &pNew->cmd;
 
-  tscClearSubqueryInfo(pCmd);
-  tscFreeSqlResult(pSql);
-
   SQueryInfo* pNewQueryInfo = tscGetQueryInfo(pCmd);
   assert(pQueryInfo->numOfTables == 1);
 
+  SArray* pColList = pNewQueryInfo->colList;
+  pNewQueryInfo->colList = NULL;
+
+  tscClearSubqueryInfo(pCmd);
+  tscFreeSqlResult(pSql);
+
   STableMetaInfo* pTableMetaInfo = tscGetMetaInfo(pNewQueryInfo, 0);
 
   tscInitQueryInfo(pNewQueryInfo);
+
+  // add the group cond
   pNewQueryInfo->groupbyExpr = pQueryInfo->groupbyExpr;
   if (pQueryInfo->groupbyExpr.columnInfo != NULL) {
     pNewQueryInfo->groupbyExpr.columnInfo = taosArrayDup(pQueryInfo->groupbyExpr.columnInfo);
@@ -2307,12 +2312,15 @@ int32_t tscHandleFirstRoundStableQuery(SSqlObj *pSql) {
     }
   }
 
+  // add the tag filter cond
   if (tscTagCondCopy(&pNewQueryInfo->tagCond, &pQueryInfo->tagCond) != 0) {
     terrno = TSDB_CODE_TSC_OUT_OF_MEMORY;
     goto _error;
   }
 
+  pNewQueryInfo->window   = pQueryInfo->window;
   pNewQueryInfo->interval = pQueryInfo->interval;
+  pNewQueryInfo->sessionWindow = pQueryInfo->sessionWindow;
 
   pCmd->command = TSDB_SQL_SELECT;
   pNew->fp = tscFirstRoundCallback;
@@ -2374,6 +2382,21 @@ int32_t tscHandleFirstRoundStableQuery(SSqlObj *pSql) {
     }
   }
 
+  // add the normal column filter cond
+  if (pColList != NULL) {
+    size_t s = taosArrayGetSize(pColList);
+    for (int32_t i = 0; i < s; ++i) {
+      SColumn *pCol = taosArrayGetP(pColList, i);
+
+      if (pCol->info.flist.numOfFilters > 0) {  // copy to the pNew->cmd.colList if it is filtered.
+        SColumn *p = tscColumnClone(pCol);
+        taosArrayPush(pNewQueryInfo->colList, &p);
+      }
+    }
+
+    tscColumnListDestroy(pColList);
+  }
+
   tscInsertPrimaryTsSourceColumn(pNewQueryInfo, pTableMetaInfo->pTableMeta->id.uid);
   tscTansformFuncForSTableQuery(pNewQueryInfo);
 
diff --git a/src/client/src/tscUtil.c b/src/client/src/tscUtil.c
index 1b04b8201e442c62935804e27bd68701c6d2d326..88615b074027045172ac05044049ddcf9cdbab76 100644
--- a/src/client/src/tscUtil.c
+++ b/src/client/src/tscUtil.c
@@ -646,8 +646,10 @@ static SColumnInfo* extractColumnInfoFromResult(SArray* pTableCols) {
 }
 
 typedef struct SDummyInputInfo {
-  SSDataBlock    *block;
-  SSqlObj        *pSql;  // refactor: remove it
+  SSDataBlock *block;
+  SSqlObj     *pSql;  // refactor: remove it
+  int32_t      numOfFilterCols;
+  SSingleColumnFilterInfo *pFilterInfo;
 } SDummyInputInfo;
 
 typedef struct SJoinStatus {
@@ -696,6 +698,18 @@ SSDataBlock* doGetDataBlock(void* param, bool* newgroup) {
   pBlock->info.rows = pRes->numOfRows;
   if (pRes->numOfRows != 0) {
     doSetupSDataBlock(pRes, pBlock);
+
+    if (pInput->numOfFilterCols > 0) {
+      doSetFilterColumnInfo(pInput->pFilterInfo, pInput->numOfFilterCols, pBlock);
+      int8_t* p = calloc(pBlock->info.rows, sizeof(int8_t));
+      bool all = doFilterDataBlock(pInput->pFilterInfo, pInput->numOfFilterCols, pBlock->info.rows, p);
+      if (!all) {
+        doCompactSDataBlock(pBlock, pBlock->info.rows, p);
+      }
+
+      tfree(p);
+    }
+
     *newgroup = false;
     return pBlock;
   }
@@ -865,11 +879,14 @@ static void destroyDummyInputOperator(void* param, int32_t numOfOutput) {
 }
 
 // todo this operator servers as the adapter for Operator tree and SqlRes result, remove it later
-SOperatorInfo* createDummyInputOperator(SSqlObj* pSql, SSchema* pSchema, int32_t numOfCols) {
+SOperatorInfo* createDummyInputOperator(SSqlObj* pSql, SSchema* pSchema, int32_t numOfCols, SSingleColumnFilterInfo* pFilterInfo, int32_t numOfFilterCols) {
   assert(numOfCols > 0);
   SDummyInputInfo* pInfo = calloc(1, sizeof(SDummyInputInfo));
 
-  pInfo->pSql  = pSql;
+  pInfo->pSql            = pSql;
+  pInfo->pFilterInfo     = pFilterInfo;
+  pInfo->numOfFilterCols = numOfFilterCols;
+
   pInfo->block = calloc(numOfCols, sizeof(SSDataBlock));
   pInfo->block->info.numOfCols = numOfCols;
 
@@ -901,7 +918,7 @@ static void destroyJoinOperator(void* param, int32_t numOfOutput) {
   pInfo->pRes = destroyOutputBuf(pInfo->pRes);
 }
 
-SOperatorInfo* createJoinOperator(SOperatorInfo** pUpstream, int32_t numOfUpstream, SSchema* pSchema, int32_t numOfOutput) {
+SOperatorInfo* createJoinOperatorInfo(SOperatorInfo** pUpstream, int32_t numOfUpstream, SSchema* pSchema, int32_t numOfOutput) {
   SJoinOperatorInfo* pInfo = calloc(1, sizeof(SJoinOperatorInfo));
 
   pInfo->numOfUpstream = numOfUpstream;
@@ -985,7 +1002,24 @@ void handleDownstreamOperator(SSqlObj** pSqlObjList, int32_t numOfUpstream, SQue
 
     // if it is a join query, create join operator here
     int32_t numOfCol1 = px->pTableMetaInfo[0]->pTableMeta->tableInfo.numOfColumns;
-    SOperatorInfo* pSourceOperator = createDummyInputOperator(pSqlObjList[0], pSchema, numOfCol1);
+
+    int32_t numOfFilterCols = 0;
+    SColumnInfo* tableCols = calloc(numOfCol1, sizeof(SColumnInfo));
+    for(int32_t i = 0; i < numOfCol1; ++i) {
+      SColumn* pCol = taosArrayGetP(px->colList, i);
+      if (pCol->info.flist.numOfFilters > 0) {
+        numOfFilterCols += 1;
+      }
+
+      tableCols[i] = pCol->info;
+    }
+
+    SSingleColumnFilterInfo* pFilterInfo = NULL;
+    if (numOfFilterCols > 0) {
+      doCreateFilterInfo(tableCols, numOfCol1, numOfFilterCols, &pFilterInfo, 0);
+    }
+
+    SOperatorInfo* pSourceOperator = createDummyInputOperator(pSqlObjList[0], pSchema, numOfCol1, pFilterInfo, numOfFilterCols);
 
     SSchema* schema = NULL;
     if (px->numOfTables > 1) {
@@ -1002,13 +1036,28 @@ void handleDownstreamOperator(SSqlObj** pSqlObjList, int32_t numOfUpstream, SQue
         SSchema* pSchema1 = tscGetTableSchema(px->pTableMetaInfo[i]->pTableMeta);
         int32_t n = px->pTableMetaInfo[i]->pTableMeta->tableInfo.numOfColumns;
 
-        p[i] = createDummyInputOperator(pSqlObjList[i], pSchema1, n);
+        int32_t numOfFilterCols1 = 0;
+        SColumnInfo* tableCols1 = calloc(numOfCol1, sizeof(SColumnInfo));
+        for(int32_t j = 0; j < numOfCol1; ++j) {
+          SColumn* pCol = taosArrayGetP(px->colList, j);
+          if (pCol->info.flist.numOfFilters > 0) {
+            numOfFilterCols += 1;
+          }
+
+          tableCols1[j] = pCol->info;
+        }
 
+        SSingleColumnFilterInfo* pFilterInfo1 = NULL;
+        if (numOfFilterCols1 > 0) {
+          doCreateFilterInfo(tableCols1, numOfCol1, numOfFilterCols1, &pFilterInfo1, 0);
+        }
+
+        p[i] = createDummyInputOperator(pSqlObjList[i], pSchema1, n, pFilterInfo1, numOfFilterCols1);
         memcpy(&schema[offset], pSchema1, n * sizeof(SSchema));
         offset += n;
       }
 
-      pSourceOperator = createJoinOperator(p, px->numOfTables, schema, num);
+      pSourceOperator = createJoinOperatorInfo(p, px->numOfTables, schema, num);
       tfree(p);
     } else {
       size_t num = taosArrayGetSize(px->colList);
@@ -2669,6 +2718,7 @@ STableMetaInfo* tscGetTableMetaInfoByUid(SQueryInfo* pQueryInfo, uint64_t uid, i
   return tscGetMetaInfo(pQueryInfo, k);
 }
 
+// todo refactor
 void tscInitQueryInfo(SQueryInfo* pQueryInfo) {
   assert(pQueryInfo->fieldsInfo.internalField == NULL);
   pQueryInfo->fieldsInfo.internalField = taosArrayInit(4, sizeof(SInternalField));
@@ -4215,11 +4265,53 @@ int32_t tscCreateQueryFromQueryInfo(SQueryInfo* pQueryInfo, SQueryAttr* pQueryAt
   return TSDB_CODE_SUCCESS;
 }
 
-int tscTransferTableNameList(SSqlObj *pSql, const char *pNameList, int32_t length) {
+static int32_t doAddTableName(char* nextStr, char** str, SArray* pNameArray, SSqlObj* pSql) {
+  int32_t code = TSDB_CODE_SUCCESS;
+  SSqlCmd* pCmd = &pSql->cmd;
+
+  char  tablename[TSDB_TABLE_FNAME_LEN] = {0};
+  int32_t len = 0;
+
+  if (nextStr == NULL) {
+    strncpy(tablename, *str, TSDB_TABLE_FNAME_LEN);
+    len = strlen(tablename);
+  } else {
+    memcpy(tablename, *str, nextStr - (*str));
+    len = (int32_t)(nextStr - (*str));
+    tablename[len] = '\0';
+  }
+
+  (*str) = nextStr + 1;
+  len = (int32_t)strtrim(tablename);
+
+  SStrToken sToken = {.n = len, .type = TK_ID, .z = tablename};
+  tGetToken(tablename, &sToken.type);
+
+  // Check if the table name available or not
+  if (tscValidateName(&sToken) != TSDB_CODE_SUCCESS) {
+    code = TSDB_CODE_TSC_INVALID_TABLE_ID_LENGTH;
+    sprintf(pCmd->payload, "table name is invalid");
+    return code;
+  }
+
+  SName name = {0};
+  if ((code = tscSetTableFullName(&name, &sToken, pSql)) != TSDB_CODE_SUCCESS) {
+    return code;
+  }
+
+  memset(tablename, 0, tListLen(tablename));
+  tNameExtractFullName(&name, tablename);
+
+  char* p = strdup(tablename);
+  taosArrayPush(pNameArray, &p);
+  return TSDB_CODE_SUCCESS;
+}
+
+int tscTransferTableNameList(SSqlObj *pSql, const char *pNameList, int32_t length, SArray* pNameArray) {
   SSqlCmd *pCmd = &pSql->cmd;
 
   pCmd->command = TSDB_SQL_MULTI_META;
-  pCmd->count = 0;
+  pCmd->msgType = TSDB_MSG_TYPE_CM_TABLES_META;
 
   int   code = TSDB_CODE_TSC_INVALID_TABLE_ID_LENGTH;
   char *str = (char *)pNameList;
@@ -4230,70 +4322,31 @@ int tscTransferTableNameList(SSqlObj *pSql, const char *pNameList, int32_t lengt
     return terrno;
   }
 
-  STableMetaInfo *pTableMetaInfo = tscAddEmptyMetaInfo(pQueryInfo);
-
-  if ((code = tscAllocPayload(pCmd, length + 16)) != TSDB_CODE_SUCCESS) {
-    return code;
-  }
-
   char *nextStr;
-  char  tblName[TSDB_TABLE_FNAME_LEN];
-  int   payloadLen = 0;
-  char *pMsg = pCmd->payload;
   while (1) {
     nextStr = strchr(str, ',');
     if (nextStr == NULL) {
+      code = doAddTableName(nextStr, &str, pNameArray, pSql);
       break;
     }
 
-    memcpy(tblName, str, nextStr - str);
-    int32_t len = (int32_t)(nextStr - str);
-    tblName[len] = '\0';
-
-    str = nextStr + 1;
-    len = (int32_t)strtrim(tblName);
-
-    SStrToken sToken = {.n = len, .type = TK_ID, .z = tblName};
-    tGetToken(tblName, &sToken.type);
-
-    // Check if the table name available or not
-    if (tscValidateName(&sToken) != TSDB_CODE_SUCCESS) {
-      code = TSDB_CODE_TSC_INVALID_TABLE_ID_LENGTH;
-      sprintf(pCmd->payload, "table name is invalid");
-      return code;
-    }
-
-    if ((code = tscSetTableFullName(&pTableMetaInfo->name, &sToken, pSql)) != TSDB_CODE_SUCCESS) {
+    code = doAddTableName(nextStr, &str, pNameArray, pSql);
+    if (code != TSDB_CODE_SUCCESS) {
       return code;
     }
 
-    if (++pCmd->count > TSDB_MULTI_TABLEMETA_MAX_NUM) {
+    if (taosArrayGetSize(pNameArray) > TSDB_MULTI_TABLEMETA_MAX_NUM) {
       code = TSDB_CODE_TSC_INVALID_TABLE_ID_LENGTH;
       sprintf(pCmd->payload, "tables over the max number");
       return code;
     }
-
-    int32_t xlen = tNameLen(&pTableMetaInfo->name);
-    if (payloadLen + xlen + 128 >= pCmd->allocSize) {
-      char *pNewMem = realloc(pCmd->payload, pCmd->allocSize + length);
-      if (pNewMem == NULL) {
-        code = TSDB_CODE_TSC_OUT_OF_MEMORY;
-        sprintf(pCmd->payload, "failed to allocate memory");
-        return code;
-      }
-
-      pCmd->payload = pNewMem;
-      pCmd->allocSize = pCmd->allocSize + length;
-      pMsg = pCmd->payload;
-    }
-
-    char n[TSDB_TABLE_FNAME_LEN] = {0};
-    tNameExtractFullName(&pTableMetaInfo->name, n);
-    payloadLen += sprintf(pMsg + payloadLen, "%s,", n);
   }
 
-  *(pMsg + payloadLen) = '\0';
-  pCmd->payloadLen = payloadLen + 1;
+  if (taosArrayGetSize(pNameArray) > TSDB_MULTI_TABLEMETA_MAX_NUM) {
+    code = TSDB_CODE_TSC_INVALID_TABLE_ID_LENGTH;
+    sprintf(pCmd->payload, "tables over the max number");
+    return code;
+  }
 
   return TSDB_CODE_SUCCESS;
 }
diff --git a/src/mnode/src/mnodeTable.c b/src/mnode/src/mnodeTable.c
index 429a6a0b572702371082ebc4aaf90d8e018f7872..1584df16fe1b0af84ae1bcc5123a9d71be447ca0 100644
--- a/src/mnode/src/mnodeTable.c
+++ b/src/mnode/src/mnodeTable.c
@@ -2878,6 +2878,7 @@ static int32_t mnodeProcessMultiTableMetaMsg(SMnodeMsg *pMsg) {
   for (; t < pInfo->numOfTables; ++t) {
     char *fullName = nameList[t];
 
+    pMsg->pVgroup = NULL;
     pMsg->pTable = mnodeGetTable(fullName);
     if (pMsg->pTable == NULL) {
       mError("msg:%p, app:%p table:%s, failed to get table meta, table not exist", pMsg, pMsg->rpcMsg.ahandle, fullName);
diff --git a/src/query/inc/qExecutor.h b/src/query/inc/qExecutor.h
index a39819cb5124cca46f3cd0a7ac6d9eace716fbe5..4ab718e09de962d74b792d12aed6bb5844008b9f 100644
--- a/src/query/inc/qExecutor.h
+++ b/src/query/inc/qExecutor.h
@@ -521,12 +521,17 @@ SOperatorInfo* createSLimitOperatorInfo(SQueryRuntimeEnv* pRuntimeEnv, SOperator
 SOperatorInfo* createFilterOperatorInfo(SQueryRuntimeEnv* pRuntimeEnv, SOperatorInfo* upstream, SExprInfo* pExpr,
                                         int32_t numOfOutput, SColumnInfo* pCols, int32_t numOfFilter);
 
-SOperatorInfo* createJoinOperator(SOperatorInfo** pUpstream, int32_t numOfUpstream, SSchema* pSchema, int32_t numOfOutput);
+SOperatorInfo* createJoinOperatorInfo(SOperatorInfo** pUpstream, int32_t numOfUpstream, SSchema* pSchema, int32_t numOfOutput);
 
 SSDataBlock* doGlobalAggregate(void* param, bool* newgroup);
 SSDataBlock* doMultiwayMergeSort(void* param, bool* newgroup);
 SSDataBlock* doSLimit(void* param, bool* newgroup);
 
+int32_t doCreateFilterInfo(SColumnInfo* pCols, int32_t numOfCols, int32_t numOfFilterCols, SSingleColumnFilterInfo** pFilterInfo, uint64_t qId);
+void doSetFilterColumnInfo(SSingleColumnFilterInfo* pFilterInfo, int32_t numOfFilterCols, SSDataBlock* pBlock);
+bool doFilterDataBlock(SSingleColumnFilterInfo* pFilterInfo, int32_t numOfFilterCols, int32_t numOfRows, int8_t* p);
+void doCompactSDataBlock(SSDataBlock* pBlock, int32_t numOfRows, int8_t* p);
+
 SSDataBlock* createOutputBuf(SExprInfo* pExpr, int32_t numOfOutput, int32_t numOfRows);
 void* destroyOutputBuf(SSDataBlock* pBlock);
 
diff --git a/src/query/src/qExecutor.c b/src/query/src/qExecutor.c
index 8a7506cb9773c10f29050151afda5224ea23be6e..334edefe1ef891396e347ca4d9b882791d836800 100644
--- a/src/query/src/qExecutor.c
+++ b/src/query/src/qExecutor.c
@@ -178,8 +178,6 @@ static STsdbQueryCond createTsdbQueryCond(SQueryAttr* pQueryAttr, STimeWindow* w
 static STableIdInfo createTableIdInfo(STableQueryInfo* pTableQueryInfo);
 
 static void setTableScanFilterOperatorInfo(STableScanInfo* pTableScanInfo, SOperatorInfo* pDownstream);
-static int32_t doCreateFilterInfo(SColumnInfo* pCols, int32_t numOfCols, int32_t numOfFilterCols,
-                                  SSingleColumnFilterInfo** pFilterInfo, uint64_t qId);
 static void* doDestroyFilterInfo(SSingleColumnFilterInfo* pFilterInfo, int32_t numOfFilterCols);
 
 static int32_t getNumOfScanTimes(SQueryAttr* pQueryAttr);
@@ -1742,7 +1740,9 @@ static int32_t setupQueryRuntimeEnv(SQueryRuntimeEnv *pRuntimeEnv, int32_t numOf
       case OP_Aggregate: {
         pRuntimeEnv->proot =
             createAggregateOperatorInfo(pRuntimeEnv, pRuntimeEnv->proot, pQueryAttr->pExpr1, pQueryAttr->numOfOutput);
-        if (pRuntimeEnv->proot->upstream[0]->operatorType != OP_DummyInput) {
+
+        int32_t opType = pRuntimeEnv->proot->upstream[0]->operatorType;
+        if (opType != OP_DummyInput && opType != OP_Join) {
           setTableScanFilterOperatorInfo(pRuntimeEnv->proot->upstream[0]->info, pRuntimeEnv->proot);
         }
         break;
@@ -2099,7 +2099,7 @@ static int32_t updateBlockLoadStatus(SQueryAttr *pQuery, int32_t status) {
   if (hasFirstLastFunc && status == BLK_DATA_NO_NEEDED) {
     if(!hasOtherFunc) {
       return BLK_DATA_DISCARD;
-    } else{
+    } else {
       return BLK_DATA_ALL_NEEDED;
     }
   }
@@ -2374,6 +2374,105 @@ static int32_t doTSJoinFilter(SQueryRuntimeEnv *pRuntimeEnv, TSKEY key, bool asc
   return TS_JOIN_TS_EQUAL;
 }
 
+bool doFilterDataBlock(SSingleColumnFilterInfo* pFilterInfo, int32_t numOfFilterCols, int32_t numOfRows, int8_t* p) {
+  bool all = true;
+
+  for (int32_t i = 0; i < numOfRows; ++i) {
+    bool qualified = false;
+
+    for (int32_t k = 0; k < numOfFilterCols; ++k) {
+      char* pElem = (char*)pFilterInfo[k].pData + pFilterInfo[k].info.bytes * i;
+
+      qualified = false;
+      for (int32_t j = 0; j < pFilterInfo[k].numOfFilters; ++j) {
+        SColumnFilterElem* pFilterElem = &pFilterInfo[k].pFilters[j];
+
+        bool isnull = isNull(pElem, pFilterInfo[k].info.type);
+        if (isnull) {
+          if (pFilterElem->fp == isNullOperator) {
+            qualified = true;
+            break;
+          } else {
+            continue;
+          }
+        } else {
+          if (pFilterElem->fp == notNullOperator) {
+            qualified = true;
+            break;
+          } else if (pFilterElem->fp == isNullOperator) {
+            continue;
+          }
+        }
+
+        if (pFilterElem->fp(pFilterElem, pElem, pElem, pFilterInfo[k].info.type)) {
+          qualified = true;
+          break;
+        }
+      }
+
+      if (!qualified) {
+        break;
+      }
+    }
+
+    p[i] = qualified ? 1 : 0;
+    if (!qualified) {
+      all = false;
+    }
+  }
+
+  return all;
+}
+
+void doCompactSDataBlock(SSDataBlock* pBlock, int32_t numOfRows, int8_t* p) {
+  int32_t len = 0;
+  int32_t start = 0;
+  for (int32_t j = 0; j < numOfRows; ++j) {
+    if (p[j] == 1) {
+      len++;
+    } else {
+      if (len > 0) {
+        int32_t cstart = j - len;
+        for (int32_t i = 0; i < pBlock->info.numOfCols; ++i) {
+          SColumnInfoData* pColumnInfoData = taosArrayGet(pBlock->pDataBlock, i);
+
+          int16_t bytes = pColumnInfoData->info.bytes;
+          memmove(((char*)pColumnInfoData->pData) + start * bytes, pColumnInfoData->pData + cstart * bytes,
+                  len * bytes);
+        }
+
+        start += len;
+        len = 0;
+      }
+    }
+  }
+
+  if (len > 0) {
+    int32_t cstart = numOfRows - len;
+    for (int32_t i = 0; i < pBlock->info.numOfCols; ++i) {
+      SColumnInfoData* pColumnInfoData = taosArrayGet(pBlock->pDataBlock, i);
+
+      int16_t bytes = pColumnInfoData->info.bytes;
+      memmove(pColumnInfoData->pData + start * bytes, pColumnInfoData->pData + cstart * bytes, len * bytes);
+    }
+
+    start += len;
+    len = 0;
+  }
+
+  pBlock->info.rows = start;
+  pBlock->pBlockStatis = NULL;  // clean the block statistics info
+
+  if (start > 0) {
+    SColumnInfoData* pColumnInfoData = taosArrayGet(pBlock->pDataBlock, 0);
+    if (pColumnInfoData->info.type == TSDB_DATA_TYPE_TIMESTAMP &&
+        pColumnInfoData->info.colId == PRIMARYKEY_TIMESTAMP_COL_INDEX) {
+      pBlock->info.window.skey = *(int64_t*)pColumnInfoData->pData;
+      pBlock->info.window.ekey = *(int64_t*)(pColumnInfoData->pData + TSDB_KEYSIZE * (start - 1));
+    }
+  }
+}
+
 void filterRowsInDataBlock(SQueryRuntimeEnv* pRuntimeEnv, SSingleColumnFilterInfo* pFilterInfo, int32_t numOfFilterCols,
                            SSDataBlock* pBlock, bool ascQuery) {
   int32_t numOfRows = pBlock->info.rows;
@@ -2406,97 +2505,11 @@ void filterRowsInDataBlock(SQueryRuntimeEnv* pRuntimeEnv, SSingleColumnFilterInf
     // save the cursor status
     pRuntimeEnv->current->cur = tsBufGetCursor(pRuntimeEnv->pTsBuf);
   } else {
-    for (int32_t i = 0; i < numOfRows; ++i) {
-      bool qualified = false;
-
-      for (int32_t k = 0; k < numOfFilterCols; ++k) {
-        char* pElem = (char*)pFilterInfo[k].pData + pFilterInfo[k].info.bytes * i;
-
-        qualified = false;
-        for (int32_t j = 0; j < pFilterInfo[k].numOfFilters; ++j) {
-          SColumnFilterElem* pFilterElem = &pFilterInfo[k].pFilters[j];
-
-          bool isnull = isNull(pElem, pFilterInfo[k].info.type);
-          if (isnull) {
-            if (pFilterElem->fp == isNullOperator) {
-              qualified = true;
-              break;
-            } else {
-              continue;
-            }
-          } else {
-            if (pFilterElem->fp == notNullOperator) {
-              qualified = true;
-              break;
-            } else if (pFilterElem->fp == isNullOperator) {
-              continue;
-            }
-          }
-
-          if (pFilterElem->fp(pFilterElem, pElem, pElem, pFilterInfo[k].info.type)) {
-            qualified = true;
-            break;
-          }
-        }
-
-        if (!qualified) {
-          break;
-        }
-      }
-
-      p[i] = qualified ? 1 : 0;
-      if (!qualified) {
-        all = false;
-      }
-    }
+    all = doFilterDataBlock(pFilterInfo, numOfFilterCols, numOfRows, p);
   }
 
   if (!all) {
-    int32_t start = 0;
-    int32_t len = 0;
-    for (int32_t j = 0; j < numOfRows; ++j) {
-      if (p[j] == 1) {
-        len++;
-      } else {
-        if (len > 0) {
-          int32_t cstart = j - len;
-          for (int32_t i = 0; i < pBlock->info.numOfCols; ++i) {
-            SColumnInfoData *pColumnInfoData = taosArrayGet(pBlock->pDataBlock, i);
-
-            int16_t bytes = pColumnInfoData->info.bytes;
-            memmove(((char*)pColumnInfoData->pData) + start * bytes, pColumnInfoData->pData + cstart * bytes, len * bytes);
-          }
-
-          start += len;
-          len = 0;
-        }
-      }
-    }
-
-    if (len > 0) {
-      int32_t cstart = numOfRows - len;
-      for (int32_t i = 0; i < pBlock->info.numOfCols; ++i) {
-        SColumnInfoData *pColumnInfoData = taosArrayGet(pBlock->pDataBlock, i);
-
-        int16_t bytes = pColumnInfoData->info.bytes;
-        memmove(pColumnInfoData->pData + start * bytes, pColumnInfoData->pData + cstart * bytes, len * bytes);
-      }
-
-      start += len;
-      len = 0;
-    }
-
-    pBlock->info.rows = start;
-    pBlock->pBlockStatis = NULL;  // clean the block statistics info
-
-    if (start > 0) {
-      SColumnInfoData* pColumnInfoData = taosArrayGet(pBlock->pDataBlock, 0);
-      if (pColumnInfoData->info.type == TSDB_DATA_TYPE_TIMESTAMP &&
-             pColumnInfoData->info.colId == PRIMARYKEY_TIMESTAMP_COL_INDEX) {
-        pBlock->info.window.skey = *(int64_t*)pColumnInfoData->pData;
-        pBlock->info.window.ekey = *(int64_t*)(pColumnInfoData->pData + TSDB_KEYSIZE * (start - 1));
-      }
-    }
+    doCompactSDataBlock(pBlock, numOfRows, p);
   }
 
   tfree(p);
@@ -2524,7 +2537,7 @@ static uint32_t doFilterByBlockTimeWindow(STableScanInfo* pTableScanInfo, SSData
   return status;
 }
 
-static void doSetFilterColumnInfo(SSingleColumnFilterInfo* pFilterInfo, int32_t numOfFilterCols, SSDataBlock* pBlock) {
+void doSetFilterColumnInfo(SSingleColumnFilterInfo* pFilterInfo, int32_t numOfFilterCols, SSDataBlock* pBlock) {
   if (numOfFilterCols > 0 && pFilterInfo[0].pData != NULL) {
     return;
   }
@@ -4920,27 +4933,6 @@ static SSDataBlock* doLimit(void* param, bool* newgroup) {
   return pBlock;
 }
 
-
-bool doFilterData(SColumnInfoData* p, int32_t rid, SColumnFilterElem *filterElem, __filter_func_t fp) {
-  char* input = p->pData + p->info.bytes * rid;
-  bool isnull = isNull(input, p->info.type);
-  if (isnull) {
-    return (fp == isNullOperator) ? true : false;
-  } else {
-    if (fp == notNullOperator) {
-      return true;
-    } else if (fp == isNullOperator) {
-      return false;
-    }
-  }
-
-  if (fp(filterElem, input, input, p->info.type)) {
-    return true;
-  }
-
-  return false;
-}
-
 static SSDataBlock* doFilter(void* param, bool* newgroup) {
   SOperatorInfo *pOperator = (SOperatorInfo *)param;
   if (pOperator->status == OP_EXEC_DONE) {
@@ -5445,7 +5437,7 @@ SOperatorInfo* createArithOperatorInfo(SQueryRuntimeEnv* pRuntimeEnv, SOperatorI
   return pOperator;
 }
 
-static SColumnInfo* extractColumnFilterInfo(SExprInfo* pExpr, int32_t numOfOutput, int32_t* numOfFilterCols) {
+SColumnInfo* extractColumnFilterInfo(SExprInfo* pExpr, int32_t numOfOutput, int32_t* numOfFilterCols) {
   SColumnInfo* pCols = calloc(numOfOutput, sizeof(SColumnInfo));
 
   int32_t numOfFilter = 0;
@@ -5454,7 +5446,7 @@ static SColumnInfo* extractColumnFilterInfo(SExprInfo* pExpr, int32_t numOfOutpu
       numOfFilter += 1;
     }
 
-    pCols[i].type = pExpr[i].base.resType;
+    pCols[i].type  = pExpr[i].base.resType;
     pCols[i].bytes = pExpr[i].base.resBytes;
     pCols[i].colId = pExpr[i].base.resColId;
 
@@ -6663,8 +6655,7 @@ SGroupbyExpr *createGroupbyExprFromMsg(SQueryTableMsg *pQueryMsg, SColIndex *pCo
   return pGroupbyExpr;
 }
 
-static int32_t doCreateFilterInfo(SColumnInfo* pCols, int32_t numOfCols, int32_t numOfFilterCols,
-                                  SSingleColumnFilterInfo** pFilterInfo, uint64_t qId) {
+int32_t doCreateFilterInfo(SColumnInfo* pCols, int32_t numOfCols, int32_t numOfFilterCols, SSingleColumnFilterInfo** pFilterInfo, uint64_t qId) {
   *pFilterInfo = calloc(1, sizeof(SSingleColumnFilterInfo) * numOfFilterCols);
   if (pFilterInfo == NULL) {
     return TSDB_CODE_QRY_OUT_OF_MEMORY;
diff --git a/tests/examples/c/apitest.c b/tests/examples/c/apitest.c
index f20c0321c455da9c430aa3a4eb1d32af7d71da8b..0ca92eaf1d018bc8b370706752cf0d139a9bfaf8 100644
--- a/tests/examples/c/apitest.c
+++ b/tests/examples/c/apitest.c
@@ -7,7 +7,6 @@
 #include <taos.h>
 #include <unistd.h>
 
-
 static void prepare_data(TAOS* taos) {
   TAOS_RES *result;
   result = taos_query(taos, "drop database if exists test;");
@@ -69,7 +68,6 @@ static void prepare_data(TAOS* taos) {
   usleep(1000000);
 }
 
-
 static int print_result(TAOS_RES* res, int blockFetch) {
   TAOS_ROW    row = NULL;
   int         num_fields = taos_num_fields(res);
@@ -99,7 +97,6 @@ static int print_result(TAOS_RES* res, int blockFetch) {
   return nRows;
 }
 
-
 static void check_row_count(int line, TAOS_RES* res, int expected) {
   int actual = print_result(res, expected % 2);
   if (actual != expected) {
@@ -109,7 +106,6 @@ static void check_row_count(int line, TAOS_RES* res, int expected) {
   }
 }
 
-
 static void verify_query(TAOS* taos) {
   prepare_data(taos);
 
@@ -153,7 +149,6 @@ static void verify_query(TAOS* taos) {
   taos_free_result(res);
 }
 
-
 void subscribe_callback(TAOS_SUB* tsub, TAOS_RES *res, void* param, int code) {
   int rows = print_result(res, *(int*)param);
   printf("%d rows consumed in subscribe_callback\n", rows);
@@ -235,10 +230,10 @@ static void verify_subscribe(TAOS* taos) {
   taos_unsubscribe(tsub, 0);
 }
 
-
 void verify_prepare(TAOS* taos) {
   TAOS_RES* result = taos_query(taos, "drop database if exists test;");
   taos_free_result(result);
+
   usleep(100000);
   result = taos_query(taos, "create database test;");
 
@@ -248,6 +243,7 @@ void verify_prepare(TAOS* taos) {
     taos_free_result(result);
     return;
   }
+
   taos_free_result(result);
 
   usleep(100000);
@@ -369,6 +365,7 @@ void verify_prepare(TAOS* taos) {
     taos_stmt_add_batch(stmt);
   }
   if (taos_stmt_execute(stmt) != 0) {
+    taos_stmt_close(stmt);
     printf("\033[31mfailed to execute insert statement.\033[0m\n");
     return;
   }
@@ -381,6 +378,7 @@ void verify_prepare(TAOS* taos) {
   v.v2 = 15;
   taos_stmt_bind_param(stmt, params + 2);
   if (taos_stmt_execute(stmt) != 0) {
+    taos_stmt_close(stmt);
     printf("\033[31mfailed to execute select statement.\033[0m\n");
     return;
   }
diff --git a/tests/script/general/parser/function.sim b/tests/script/general/parser/function.sim
index 65058333fb6a6dea4d0dd583b86f2927bdcc7979..56ce15c36fbbe71753028f60a03d5cdf73a03571 100644
--- a/tests/script/general/parser/function.sim
+++ b/tests/script/general/parser/function.sim
@@ -809,3 +809,5 @@ endi
 if $data00 != 1 then
   return -1
 endi
+
+print ====================> TODO stddev + normal column filter
diff --git a/tests/script/general/parser/nestquery.sim b/tests/script/general/parser/nestquery.sim
index eab1392d1c670f148c9754f48701536b03b1e71c..9e2736833f56cb6224cc1a1b351b2171213f5f8f 100644
--- a/tests/script/general/parser/nestquery.sim
+++ b/tests/script/general/parser/nestquery.sim
@@ -120,22 +120,88 @@ if $data00 != 167 then
 endi
 
 print ================>master query + filter
-sql select * from (select count(*) a from nest_tb0 interval(10h)) where a <= 520;
+sql select t.* from (select count(*) a from nest_tb0 interval(10h)) t where t.a <= 520;
 if $rows != 2 then
   return -1
 endi
 
 
-print ==================> nest query join
+print ===================> nest query interval
 
 
 
-print ===================> nest query interval
+print ===================> complex query
 
 
 
-print ===================> complex query
+print ===================> group by + having
+
+
+
+
+
+print =========================> nest query join
+sql select a.ts,a.k,b.ts from (select count(*) k from nest_tb0 interval(30a)) a, (select count(*) f from nest_tb1 interval(30a)) b where a.ts = b.ts ;
+if $rows != 10000 then
+  return -1
+endi
+
+if $data00 != @20-09-15 00:00:00.000@ then
+  return -1
+endi
+
+if $data01 != 1 then
+  return -1
+endi
+
+if $data02 != @20-09-15 00:00:00.000@ then
+  return -1
+endi
+
+if $data10 != @20-09-15 00:01:00.000@ then
+  return -1
+endi
+
+if $data11 != 1 then
+  return -1
+endi
 
+if $data12 != @20-09-15 00:01:00.000@ then
+  return -1
+endi
+
+sql select sum(a.k), sum(b.f) from (select count(*) k from nest_tb0 interval(30a)) a, (select count(*) f from nest_tb1 interval(30a)) b where a.ts = b.ts ;
+if $rows != 1 then
+  return -1
+endi
+
+if $data00 != 10000 then
+  return -1
+endi
 
+if $data01 != 10000 then
+  return -1
+endi
+
+sql select a.ts,a.k,b.ts,c.ts,c.ts,c.x from (select count(*) k from nest_tb0 interval(30a)) a, (select count(*) f from nest_tb1 interval(30a)) b, (select count(*) x from nest_tb2 interval(30a)) c where a.ts = b.ts and a.ts = c.ts
+if $rows != 10000 then
+  return -1
+endi
+
+if $data00 != @20-09-15 00:00:00.000@ then
+  return -1
+endi
+
+if $data01 != 1 then
+  return -1
+endi
+
+if $data02 != @20-09-15 00:00:00.000@ then
+  return -1
+endi
+
+if $data03 != @20-09-15 00:00:00.000@ then
+  return -1
+endi
 
 system sh/exec.sh -n dnode1 -s stop -x SIGINT
\ No newline at end of file