diff --git a/include/common/tmsg.h b/include/common/tmsg.h
index d9087f59c6f8062e0cfb5f832eda48c825cc3960..9104e8a4234a48692f73d9d4c3225e9cd0668ee0 100644
--- a/include/common/tmsg.h
+++ b/include/common/tmsg.h
@@ -1352,6 +1352,9 @@ typedef struct {
 
 typedef struct {
   int32_t code;
+  char tbFName[TSDB_TABLE_FNAME_LEN];
+  int32_t sversion;
+  int32_t tversion;
 } SResReadyRsp;
 
 typedef struct {
diff --git a/include/libs/qcom/query.h b/include/libs/qcom/query.h
index f4ccc05208d57179228cc8a2f828b4e3afcac756..389fe25780f5bbdde734ba1248dd5e04c4a14d3f 100644
--- a/include/libs/qcom/query.h
+++ b/include/libs/qcom/query.h
@@ -57,6 +57,12 @@ typedef struct SIndexMeta {
 
 } SIndexMeta;
 
+typedef struct STbVerInfo {
+  char tbFName[TSDB_TABLE_FNAME_LEN];
+  int32_t sversion;
+  int32_t tversion;
+} STbVerInfo;
+
 /*
  * ASSERT(sizeof(SCTableMeta) == 24)
  * ASSERT(tableType == TSDB_CHILD_TABLE)
diff --git a/source/client/src/clientHb.c b/source/client/src/clientHb.c
index fc39e80c1e783914518d0b931f20310aad73df18..13ac43bc392d14407bfc04b494f4e5d49a3f1fa3 100644
--- a/source/client/src/clientHb.c
+++ b/source/client/src/clientHb.c
@@ -45,7 +45,7 @@ static int32_t hbProcessUserAuthInfoRsp(void *value, int32_t valueLen, struct SC
     catalogUpdateUserAuthInfo(pCatalog, rsp);
   }
 
-  tFreeSUserAuthBatchRsp(&batchRsp);
+  taosArrayDestroy(batchRsp.pArray);
   return TSDB_CODE_SUCCESS;
 }
 
@@ -285,6 +285,7 @@ int32_t hbBuildQueryDesc(SQueryHbReqBasic *hbBasic, STscObj *pObj) {
     int64_t     *rid = pIter;
     SRequestObj *pRequest = acquireRequest(*rid);
     if (NULL == pRequest) {
+      pIter = taosHashIterate(pObj->pRequests, pIter);
       continue;
     }
 
@@ -544,7 +545,7 @@ SClientHbBatchReq *hbGatherAllInfo(SAppHbMgr *pAppHbMgr) {
     }
 
     taosArrayPush(pBatchReq->reqs, pOneReq);
-    hbClearClientHbReq(pOneReq);
+    //hbClearClientHbReq(pOneReq);
 
     pIter = taosHashIterate(pAppHbMgr->activeInfo, pIter);
   }
@@ -565,6 +566,11 @@ void hbClearReqInfo(SAppHbMgr *pAppHbMgr) {
     tFreeReqKvHash(pOneReq->info);
     taosHashClear(pOneReq->info);
 
+    if (pOneReq->query) {
+      taosArrayDestroy(pOneReq->query->queryDesc);
+      taosMemoryFreeClear(pOneReq->query);
+    }
+
     pIter = taosHashIterate(pAppHbMgr->activeInfo, pIter);
   }
 }
@@ -649,6 +655,9 @@ static int32_t hbCreateThread() {
 }
 
 static void hbStopThread() {
+  if (0 == atomic_load_8(&clientHbMgr.inited)) {
+    return;
+  }
   if (atomic_val_compare_exchange_8(&clientHbMgr.threadStop, 0, 1)) {
     tscDebug("hb thread already stopped");
     return;
@@ -745,13 +754,13 @@ int hbMgrInit() {
   hbMgrInitHandle();
 
   // init backgroud thread
-  /*hbCreateThread();*/
+  hbCreateThread();
 
   return 0;
 }
 
 void hbMgrCleanUp() {
-  // hbStopThread();
+  hbStopThread();
 
   // destroy all appHbMgr
   int8_t old = atomic_val_compare_exchange_8(&clientHbMgr.inited, 1, 0);
diff --git a/source/client/src/clientImpl.c b/source/client/src/clientImpl.c
index f493f02cd65a6b2c8c51d88327a9dc62be63a3de..386283b5b58d04b68a00f89100d64b1312e82b46 100644
--- a/source/client/src/clientImpl.c
+++ b/source/client/src/clientImpl.c
@@ -300,6 +300,8 @@ int32_t scheduleQuery(SRequestObj* pRequest, SQueryPlan* pDag, SArray* pNodeList
       schedulerFreeJob(pRequest->body.queryJob);
     }
 
+    *pRes = res.res;
+
     pRequest->code = code;
     terrno = code;
     return pRequest->code;
@@ -347,6 +349,23 @@ int32_t validateSversion(SRequestObj* pRequest, void* res) {
       taosArrayPush(pArray, &tbSver);
     }
   } else if (TDMT_VND_QUERY == pRequest->type) {
+    SArray* pTbArray = (SArray*)res;
+    int32_t tbNum = taosArrayGetSize(pTbArray);
+    if (tbNum <= 0) {
+      return TSDB_CODE_SUCCESS;
+    }
+
+    pArray = taosArrayInit(tbNum, sizeof(STbSVersion));
+    if (NULL == pArray) {
+      terrno = TSDB_CODE_OUT_OF_MEMORY;
+      return TSDB_CODE_OUT_OF_MEMORY;
+    }
+
+    for (int32_t i = 0; i < tbNum; ++i) {
+      STbVerInfo* tbInfo = taosArrayGet(pTbArray, i);
+      STbSVersion tbSver = {.tbFName = tbInfo->tbFName, .sver = tbInfo->sversion};
+      taosArrayPush(pArray, &tbSver);
+    }
   }
 
   SCatalog* pCatalog = NULL;
@@ -371,6 +390,7 @@ void freeRequestRes(SRequestObj* pRequest, void* res) {
   if (TDMT_VND_SUBMIT == pRequest->type) {
     tFreeSSubmitRsp((SSubmitRsp*)res);
   } else if (TDMT_VND_QUERY == pRequest->type) {
+    taosArrayDestroy((SArray *)res);
   }
 }
 
diff --git a/source/dnode/mnode/impl/src/mndProfile.c b/source/dnode/mnode/impl/src/mndProfile.c
index 7e99c5583d69fcf708d39206aab3ccca448ddeb8..cd57e76b2cc6eacee39be027563d52d04a1ea038 100644
--- a/source/dnode/mnode/impl/src/mndProfile.c
+++ b/source/dnode/mnode/impl/src/mndProfile.c
@@ -340,8 +340,7 @@ static int32_t mndProcessQueryHeartBeat(SMnode *pMnode, SRpcMsg *pMsg, SClientHb
   if (pHbReq->query) {
     SQueryHbReqBasic *pBasic = pHbReq->query;
 
-    SRpcConnInfo connInfo = {0};
-    rpcGetConnInfo(pMsg->info.handle, &connInfo);
+    SRpcConnInfo connInfo = pMsg->conn;
 
     SConnObj *pConn = mndAcquireConn(pMnode, pBasic->connId);
     if (pConn == NULL) {
diff --git a/source/dnode/mnode/impl/src/mndUser.c b/source/dnode/mnode/impl/src/mndUser.c
index b59175d86cabd85f28334b95e42afd4b84ab1938..f2a42e3083d0777eecb3ffd9db2a0359c7939ff6 100644
--- a/source/dnode/mnode/impl/src/mndUser.c
+++ b/source/dnode/mnode/impl/src/mndUser.c
@@ -233,6 +233,7 @@ static int32_t mndUserActionUpdate(SSdb *pSdb, SUserObj *pOld, SUserObj *pNew) {
   mTrace("user:%s, perform update action, old row:%p new row:%p", pOld->user, pOld, pNew);
   taosWLockLatch(&pOld->lock);
   pOld->updateTime = pNew->updateTime;
+  pOld->authVersion = pNew->authVersion;
   memcpy(pOld->pass, pNew->pass, TSDB_PASSWORD_LEN);
   TSWAP(pOld->readDbs, pNew->readDbs);
   TSWAP(pOld->writeDbs, pNew->writeDbs);
@@ -765,6 +766,7 @@ int32_t mndValidateUserAuthInfo(SMnode *pMnode, SUserAuthVersion *pUsers, int32_
       continue;
     }
 
+    pUsers[i].version = ntohl(pUsers[i].version);
     if (pUser->authVersion <= pUsers[i].version) {
       mndReleaseUser(pMnode, pUser);
       continue;
diff --git a/source/libs/catalog/src/catalog.c b/source/libs/catalog/src/catalog.c
index 23957d1a6bfdc0cd87dd6f94727d0e1dc76adb57..d5301e3624fd632d31e48e6eae0944d5ceebd8be 100644
--- a/source/libs/catalog/src/catalog.c
+++ b/source/libs/catalog/src/catalog.c
@@ -2885,7 +2885,7 @@ _return:
 
 
 
-int32_t ctgGetTbSverFromCache(SCatalog* pCtg, const SName* pTableName, int32_t* sver) {
+int32_t ctgGetTbSverFromCache(SCatalog* pCtg, const SName* pTableName, int32_t* sver, int32_t *tbType, uint64_t *suid, char* stbName) {
   *sver = -1;
   
   if (NULL == pCtg->dbCache) {
@@ -2903,14 +2903,12 @@ int32_t ctgGetTbSverFromCache(SCatalog* pCtg, const SName* pTableName, int32_t*
     return TSDB_CODE_SUCCESS;
   }
   
-  int32_t tbType = 0;
-  uint64_t suid = 0;
   CTG_LOCK(CTG_READ, &dbCache->tbCache.metaLock);
   STableMeta* tbMeta = taosHashGet(dbCache->tbCache.metaCache, pTableName->tname, strlen(pTableName->tname));
   if (tbMeta) {
-    tbType = tbMeta->tableType;
-    suid = tbMeta->suid;
-    if (tbType != TSDB_CHILD_TABLE) {
+    *tbType = tbMeta->tableType;
+    *suid = tbMeta->suid;
+    if (*tbType != TSDB_CHILD_TABLE) {
       *sver = tbMeta->sversion;
     }
   }
@@ -2921,44 +2919,49 @@ int32_t ctgGetTbSverFromCache(SCatalog* pCtg, const SName* pTableName, int32_t*
     return TSDB_CODE_SUCCESS;
   }
 
-  if (tbType != TSDB_CHILD_TABLE) {
+  if (*tbType != TSDB_CHILD_TABLE) {
     ctgReleaseDBCache(pCtg, dbCache);
-    ctgDebug("Got sver %d from cache, type:%d, dbFName:%s, tbName:%s", *sver, tbType, dbFName, pTableName->tname);
+    ctgDebug("Got sver %d from cache, type:%d, dbFName:%s, tbName:%s", *sver, *tbType, dbFName, pTableName->tname);
     
     return TSDB_CODE_SUCCESS;
   }
 
-  ctgDebug("Got subtable meta from cache, dbFName:%s, tbName:%s, suid:%" PRIx64, dbFName, pTableName->tname, suid);
+  ctgDebug("Got subtable meta from cache, dbFName:%s, tbName:%s, suid:%" PRIx64, dbFName, pTableName->tname, *suid);
   
   CTG_LOCK(CTG_READ, &dbCache->tbCache.stbLock);
   
-  STableMeta **stbMeta = taosHashGet(dbCache->tbCache.stbCache, &suid, sizeof(suid));
+  STableMeta **stbMeta = taosHashGet(dbCache->tbCache.stbCache, suid, sizeof(*suid));
   if (NULL == stbMeta || NULL == *stbMeta) {
     CTG_UNLOCK(CTG_READ, &dbCache->tbCache.stbLock);
     ctgReleaseDBCache(pCtg, dbCache);
-    ctgDebug("stb not in stbCache, suid:%"PRIx64, suid);
+    ctgDebug("stb not in stbCache, suid:%"PRIx64, *suid);
     return TSDB_CODE_SUCCESS;
   }
 
-  if ((*stbMeta)->suid != suid) {    
+  if ((*stbMeta)->suid != *suid) {
     CTG_UNLOCK(CTG_READ, &dbCache->tbCache.stbLock);
     ctgReleaseDBCache(pCtg, dbCache);
-    ctgError("stable suid in stbCache mis-match, expected suid:%"PRIx64 ",actual suid:%"PRIx64, suid, (*stbMeta)->suid);
+    ctgError("stable suid in stbCache mis-match, expected suid:%"PRIx64 ",actual suid:%"PRIx64, *suid, (*stbMeta)->suid);
     CTG_ERR_RET(TSDB_CODE_CTG_INTERNAL_ERROR);
   }
 
+  size_t nameLen = 0;
+  char* name = taosHashGetKey(*stbMeta, &nameLen);
+  
+  strncpy(stbName, name, nameLen);
+  stbName[nameLen] = 0;
+
   *sver = (*stbMeta)->sversion;
 
   CTG_UNLOCK(CTG_READ, &dbCache->tbCache.stbLock);
 
   ctgReleaseDBCache(pCtg, dbCache);
 
-  ctgDebug("Got sver %d from cache, type:%d, dbFName:%s, tbName:%s", *sver, tbType, dbFName, pTableName->tname);
+  ctgDebug("Got sver %d from cache, type:%d, dbFName:%s, tbName:%s", *sver, *tbType, dbFName, pTableName->tname);
   
   return TSDB_CODE_SUCCESS;
 }
 
-
 int32_t catalogChkTbMetaVersion(SCatalog* pCtg, void *pTrans, const SEpSet* pMgmtEps, SArray* pTables) {
   CTG_API_ENTER();
 
@@ -2977,9 +2980,26 @@ int32_t catalogChkTbMetaVersion(SCatalog* pCtg, void *pTrans, const SEpSet* pMgm
       continue;
     }
 
-    ctgGetTbSverFromCache(pCtg, &name, &sver);
+    int32_t tbType = 0;
+    uint64_t suid = 0;
+    char stbName[TSDB_TABLE_FNAME_LEN];
+    ctgGetTbSverFromCache(pCtg, &name, &sver, &tbType, &suid, stbName);
     if (sver >= 0 && sver < pTb->sver) {
-      catalogRemoveTableMeta(pCtg, &name); //TODO REMOVE STB FROM CACHE
+      switch (tbType) {
+        case TSDB_CHILD_TABLE: {
+          SName stb = name;
+          strcpy(stb.tname, stbName);
+          catalogRemoveTableMeta(pCtg, &stb);        
+          break;
+        }
+        case TSDB_SUPER_TABLE:
+        case TSDB_NORMAL_TABLE:
+          catalogRemoveTableMeta(pCtg, &name);
+          break;
+        default:
+          ctgError("ignore table type %d", tbType);
+          break;
+      }
     }
   }
 
diff --git a/source/libs/executor/src/executor.c b/source/libs/executor/src/executor.c
index 6d308d7221983ab677859b037725b3161f4e51c5..125af9749a8b29433405507209c531aff1a0906b 100644
--- a/source/libs/executor/src/executor.c
+++ b/source/libs/executor/src/executor.c
@@ -187,8 +187,16 @@ int32_t qGetQueriedTableSchemaVersion(qTaskInfo_t tinfo, char* dbName, char* tab
 
   *sversion = pTaskInfo->schemaVer.sversion;
   *tversion = pTaskInfo->schemaVer.tversion;
-  strcpy(dbName, pTaskInfo->schemaVer.dbname);
-  strcpy(tableName, pTaskInfo->schemaVer.tablename);
+  if (pTaskInfo->schemaVer.dbname) {
+    strcpy(dbName, pTaskInfo->schemaVer.dbname);
+  } else {
+    dbName[0] = 0;
+  }
+  if (pTaskInfo->schemaVer.tablename) {
+    strcpy(tableName, pTaskInfo->schemaVer.tablename);
+  } else {
+    tableName[0] = 0;
+  }
 
   return 0;
 }
\ No newline at end of file
diff --git a/source/libs/executor/src/executorimpl.c b/source/libs/executor/src/executorimpl.c
index 750554e8288fb8dca1d875ca0841794ff46252c0..ccffe775141fe57323707de44c73057edd0e90e5 100644
--- a/source/libs/executor/src/executorimpl.c
+++ b/source/libs/executor/src/executorimpl.c
@@ -4574,10 +4574,11 @@ SExprInfo* createExprInfo(SNodeList* pNodeList, SNodeList* pGroupKeys, int32_t*
   return pExprs;
 }
 
-static SExecTaskInfo* createExecTaskInfo(uint64_t queryId, uint64_t taskId, EOPTR_EXEC_MODEL model) {
+static SExecTaskInfo* createExecTaskInfo(uint64_t queryId, uint64_t taskId, EOPTR_EXEC_MODEL model, char* dbFName) {
   SExecTaskInfo* pTaskInfo = taosMemoryCalloc(1, sizeof(SExecTaskInfo));
   setTaskStatus(pTaskInfo, TASK_NOT_COMPLETED);
 
+  pTaskInfo->schemaVer.dbname = strdup(dbFName);
   pTaskInfo->cost.created = taosGetTimestampMs();
   pTaskInfo->id.queryId = queryId;
   pTaskInfo->execModel = model;
@@ -4992,16 +4993,10 @@ SArray* extractColMatchInfo(SNodeList* pNodeList, SDataBlockDescNode* pOutputNod
     return NULL;
   }
 
-  const char* tname = pTaskInfo->schemaVer.tablename;
   for (int32_t i = 0; i < numOfCols; ++i) {
     STargetNode* pNode = (STargetNode*)nodesListGetNode(pNodeList, i);
     SColumnNode* pColNode = (SColumnNode*)pNode->pExpr;
 
-    if (tname != NULL && (pTaskInfo->schemaVer.dbname == NULL) &&
-        strncmp(pColNode->tableName, tname, tListLen(pColNode->tableName)) == 0) {
-      pTaskInfo->schemaVer.dbname = strdup(pColNode->dbName);
-    }
-
     SColMatchInfo c = {0};
     c.output = true;
     c.colId = pColNode->colId;
@@ -5097,7 +5092,7 @@ int32_t createExecTaskInfoImpl(SSubplan* pPlan, SExecTaskInfo** pTaskInfo, SRead
   uint64_t queryId = pPlan->id.queryId;
 
   int32_t code = TSDB_CODE_SUCCESS;
-  *pTaskInfo = createExecTaskInfo(queryId, taskId, model);
+  *pTaskInfo = createExecTaskInfo(queryId, taskId, model, pPlan->dbFName);
   if (*pTaskInfo == NULL) {
     code = TSDB_CODE_QRY_OUT_OF_MEMORY;
     goto _complete;
diff --git a/source/libs/qcom/src/queryUtil.c b/source/libs/qcom/src/queryUtil.c
index 58886d706af0e1091ddb9ac805deb50510d85a37..f4ba2fca8146b37a3e25bc7173488dd85c8e48d0 100644
--- a/source/libs/qcom/src/queryUtil.c
+++ b/source/libs/qcom/src/queryUtil.c
@@ -58,7 +58,7 @@ static bool doValidateSchema(SSchema* pSchema, int32_t numOfCols, int32_t maxLen
 
     // 3. valid column names
     for (int32_t j = i + 1; j < numOfCols; ++j) {
-      if (strncasecmp(pSchema[i].name, pSchema[j].name, sizeof(pSchema[i].name) - 1) == 0) {
+      if (strncmp(pSchema[i].name, pSchema[j].name, sizeof(pSchema[i].name) - 1) == 0) {
         return false;
       }
     }
diff --git a/source/libs/qworker/inc/qworkerInt.h b/source/libs/qworker/inc/qworkerInt.h
index bcc17a9ae9c0bffe95e1df75746c36021f2d9a6e..511327658f14a58e25460f979a4ebb197c8d4b8c 100644
--- a/source/libs/qworker/inc/qworkerInt.h
+++ b/source/libs/qworker/inc/qworkerInt.h
@@ -131,6 +131,7 @@ typedef struct SQWTaskCtx {
   void     *taskHandle;
   void     *sinkHandle;
   SSubplan *plan;
+  STbVerInfo tbInfo;
 } SQWTaskCtx;
 
 typedef struct SQWSchStatus {
diff --git a/source/libs/qworker/inc/qworkerMsg.h b/source/libs/qworker/inc/qworkerMsg.h
index 93994c8287c9a5866a6dbc0969977e91f8997f15..6453cff70095b246f0ede7034da07536b1075f2f 100644
--- a/source/libs/qworker/inc/qworkerMsg.h
+++ b/source/libs/qworker/inc/qworkerMsg.h
@@ -36,7 +36,7 @@ int32_t qwBuildAndSendFetchRsp(SRpcHandleInfo *pConn, SRetrieveTableRsp *pRsp, i
                                int32_t code);
 void    qwBuildFetchRsp(void *msg, SOutputData *input, int32_t len, bool qComplete);
 int32_t qwBuildAndSendCQueryMsg(QW_FPARAMS_DEF, SRpcHandleInfo *pConn);
-int32_t qwBuildAndSendReadyRsp(SRpcHandleInfo *pConn, int32_t code);
+int32_t qwBuildAndSendReadyRsp(SRpcHandleInfo *pConn, int32_t code, STbVerInfo* tbInfo);
 int32_t qwBuildAndSendQueryRsp(SRpcHandleInfo *pConn, int32_t code);
 int32_t qwBuildAndSendExplainRsp(SRpcHandleInfo *pConn, SExplainExecInfo *execInfo, int32_t num);
 void    qwFreeFetchRsp(void *msg);
diff --git a/source/libs/qworker/src/qworker.c b/source/libs/qworker/src/qworker.c
index db63c71d1123cec32e810a5583deb0a936688070..cb7ff08fa3b8c869a101ad202c274490a49091bd 100644
--- a/source/libs/qworker/src/qworker.c
+++ b/source/libs/qworker/src/qworker.c
@@ -718,6 +718,16 @@ int32_t qwGetResFromSink(QW_FPARAMS_DEF, SQWTaskCtx *ctx, int32_t *dataLen, void
   return TSDB_CODE_SUCCESS;
 }
 
+
+void qwSaveTbVersionInfo(qTaskInfo_t       pTaskInfo, SQWTaskCtx *ctx) {
+  char dbFName[TSDB_DB_FNAME_LEN];
+  char tbName[TSDB_TABLE_NAME_LEN];
+  
+  qGetQueriedTableSchemaVersion(pTaskInfo, dbFName, tbName, &ctx->tbInfo.sversion, &ctx->tbInfo.tversion);
+
+  sprintf(ctx->tbInfo.tbFName, "%s.%s", dbFName, tbName);
+}
+
 int32_t qwHandlePrePhaseEvents(QW_FPARAMS_DEF, int8_t phase, SQWPhaseInput *input, SQWPhaseOutput *output) {
   int32_t         code = 0;
   SQWTaskCtx     *ctx = NULL;
@@ -899,6 +909,11 @@ _return:
     qwUpdateTaskStatus(QW_FPARAMS(), JOB_TASK_STATUS_PARTIAL_SUCCEED);
   }
 
+  if (readyConnection) {
+    qwBuildAndSendReadyRsp(readyConnection, code, ctx ? &ctx->tbInfo : NULL);
+    QW_TASK_DLOG("ready msg rsped, handle:%p, code:%x - %s", readyConnection->handle, code, tstrerror(code));
+  }
+
   if (ctx) {
     QW_UPDATE_RSP_CODE(ctx, code);
 
@@ -910,11 +925,6 @@ _return:
     qwReleaseTaskCtx(mgmt, ctx);
   }
 
-  if (readyConnection) {
-    qwBuildAndSendReadyRsp(readyConnection, code);
-    QW_TASK_DLOG("ready msg rsped, handle:%p, code:%x - %s", readyConnection->handle, code, tstrerror(code));
-  }
-
   if (code) {
     qwUpdateTaskStatus(QW_FPARAMS(), JOB_TASK_STATUS_FAILED);
   }
@@ -975,6 +985,7 @@ int32_t qwProcessQuery(QW_FPARAMS_DEF, SQWMsg *qwMsg, int8_t taskType, int8_t ex
   atomic_store_ptr(&ctx->sinkHandle, sinkHandle);
 
   if (pTaskInfo && sinkHandle) {
+    qwSaveTbVersionInfo(pTaskInfo, ctx);
     QW_ERR_JRET(qwExecTask(QW_FPARAMS(), ctx, NULL));
   }
 
@@ -1047,7 +1058,7 @@ _return:
   }
 
   if (needRsp) {
-    qwBuildAndSendReadyRsp(&qwMsg->connInfo, code);
+    qwBuildAndSendReadyRsp(&qwMsg->connInfo, code, NULL);
     QW_TASK_DLOG("ready msg rsped, handle:%p, code:%x - %s", qwMsg->connInfo.handle, code, tstrerror(code));
   }
 
@@ -1150,8 +1161,7 @@ int32_t qwProcessFetch(QW_FPARAMS_DEF, SQWMsg *qwMsg) {
   QW_ERR_JRET(qwGetResFromSink(QW_FPARAMS(), ctx, &dataLen, &rsp, &sOutput));
 
   if (NULL == rsp) {
-    atomic_store_ptr(&ctx->dataConnInfo.handle, qwMsg->connInfo.handle);
-    atomic_store_ptr(&ctx->dataConnInfo.ahandle, qwMsg->connInfo.ahandle);
+    ctx->dataConnInfo = qwMsg->connInfo;
 
     QW_SET_EVENT_RECEIVED(ctx, QW_EVENT_FETCH);
   } else {
diff --git a/source/libs/qworker/src/qworkerMsg.c b/source/libs/qworker/src/qworkerMsg.c
index 562e550bdcef2f2119e4c90741cf781f19ac1102..0a192eb795b689285831f366aff30af4a3743b27 100644
--- a/source/libs/qworker/src/qworkerMsg.c
+++ b/source/libs/qworker/src/qworkerMsg.c
@@ -63,9 +63,14 @@ int32_t qwBuildAndSendQueryRsp(SRpcHandleInfo *pConn, int32_t code) {
   return TSDB_CODE_SUCCESS;
 }
 
-int32_t qwBuildAndSendReadyRsp(SRpcHandleInfo *pConn, int32_t code) {
+int32_t qwBuildAndSendReadyRsp(SRpcHandleInfo *pConn, int32_t code, STbVerInfo* tbInfo) {
   SResReadyRsp *pRsp = (SResReadyRsp *)rpcMallocCont(sizeof(SResReadyRsp));
   pRsp->code = code;
+  if (tbInfo) {
+    strcpy(pRsp->tbFName, tbInfo->tbFName);
+    pRsp->sversion = tbInfo->sversion;
+    pRsp->tversion = tbInfo->tversion;
+  }
 
   SRpcMsg rpcRsp = {
       .msgType = TDMT_VND_RES_READY_RSP,
diff --git a/source/libs/scheduler/inc/schedulerInt.h b/source/libs/scheduler/inc/schedulerInt.h
index 5a6fcee759d86ce85c9d67eb28cb5950401b9857..be92de774b8964c975360467600f570c2540c907 100644
--- a/source/libs/scheduler/inc/schedulerInt.h
+++ b/source/libs/scheduler/inc/schedulerInt.h
@@ -39,12 +39,6 @@ enum {
   SCH_WRITE,
 };
 
-typedef enum {
-  SCH_RES_TYPE_QUERY,
-  SCH_RES_TYPE_FETCH,
-} SCH_RES_TYPE;
-
-
 typedef struct SSchTrans {
   void *transInst;
   void *transHandle;
@@ -197,7 +191,7 @@ typedef struct SSchJob {
   int32_t          errCode;
   SArray          *errList;    // SArray<SQueryErrorInfo>
   SRWLatch         resLock;
-  SCH_RES_TYPE     resType;
+  void            *queryRes;
   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 9354c1a875d030c1839484db967ad091d7fdf8a9..dcd87557aa62101a8cceae9f0f191fe2cae53e3b 100644
--- a/source/libs/scheduler/src/scheduler.c
+++ b/source/libs/scheduler/src/scheduler.c
@@ -1058,8 +1058,6 @@ _return:
 int32_t schProcessOnExplainDone(SSchJob *pJob, SSchTask *pTask, SRetrieveTableRsp *pRsp) {
   SCH_TASK_DLOG("got explain rsp, rows:%d, complete:%d", htonl(pRsp->numOfRows), pRsp->completed);
 
-  pJob->resType = SCH_RES_TYPE_FETCH;
-
   atomic_store_32(&pJob->resNumOfRows, htonl(pRsp->numOfRows));
   atomic_store_ptr(&pJob->resData, pRsp);
 
@@ -1070,6 +1068,27 @@ int32_t schProcessOnExplainDone(SSchJob *pJob, SSchTask *pTask, SRetrieveTableRs
   return TSDB_CODE_SUCCESS;
 }
 
+int32_t schSaveJobQueryRes(SSchJob *pJob, SResReadyRsp *rsp) {
+  if (rsp->tbFName[0]) {
+    if (NULL == pJob->queryRes) {
+      pJob->queryRes = taosArrayInit(pJob->taskNum, sizeof(STbVerInfo));
+      if (NULL == pJob->queryRes) {
+        SCH_ERR_RET(TSDB_CODE_OUT_OF_MEMORY);
+      }
+    }
+
+    STbVerInfo tbInfo;
+    strcpy(tbInfo.tbFName, rsp->tbFName);
+    tbInfo.sversion = rsp->sversion;
+    tbInfo.tversion = rsp->tversion;
+
+    taosArrayPush((SArray *)pJob->queryRes, &tbInfo);
+  }
+
+  return TSDB_CODE_SUCCESS;
+}
+
+
 // Note: no more task error processing, handled in function internal
 int32_t schHandleResponseMsg(SSchJob *pJob, SSchTask *pTask, int32_t msgType, char *msg, int32_t msgSize,
                              int32_t rspCode) {
@@ -1180,10 +1199,9 @@ int32_t schHandleResponseMsg(SSchJob *pJob, SSchTask *pTask, int32_t msgType, ch
         atomic_add_fetch_32(&pJob->resNumOfRows, rsp->affectedRows);
         SCH_TASK_DLOG("submit succeed, affectedRows:%d", rsp->affectedRows);
 
-        pJob->resType = SCH_RES_TYPE_QUERY;
         SCH_LOCK(SCH_WRITE, &pJob->resLock);
-        if (pJob->resData) {
-          SSubmitRsp *sum = pJob->resData;
+        if (pJob->queryRes) {
+          SSubmitRsp *sum = pJob->queryRes;
           sum->affectedRows += rsp->affectedRows;
           sum->nBlocks += rsp->nBlocks;
           sum->pBlocks = taosMemoryRealloc(sum->pBlocks, sum->nBlocks * sizeof(*sum->pBlocks));
@@ -1191,7 +1209,7 @@ int32_t schHandleResponseMsg(SSchJob *pJob, SSchTask *pTask, int32_t msgType, ch
           taosMemoryFree(rsp->pBlocks);
           taosMemoryFree(rsp);
         } else {
-          pJob->resData = rsp;
+          pJob->queryRes = rsp;
         }
         SCH_UNLOCK(SCH_WRITE, &pJob->resLock);
       }
@@ -1225,6 +1243,9 @@ int32_t schHandleResponseMsg(SSchJob *pJob, SSchTask *pTask, int32_t msgType, ch
         SCH_ERR_JRET(TSDB_CODE_QRY_INVALID_INPUT);
       }
       SCH_ERR_JRET(rsp->code);
+
+      SCH_ERR_JRET(schSaveJobQueryRes(pJob, rsp));
+      
       SCH_ERR_RET(schProcessOnTaskSuccess(pJob, pTask));
 
       break;
@@ -2399,6 +2420,12 @@ void schFreeJobImpl(void *job) {
 
   qExplainFreeCtx(pJob->explainCtx);
 
+  if (SCH_IS_QUERY_JOB(pJob)) {
+    taosArrayDestroy((SArray *)pJob->queryRes);
+  } else {
+    tFreeSSubmitRsp((SSubmitRsp*)pJob->queryRes);
+  }
+
   taosMemoryFreeClear(pJob->resData);
   taosMemoryFreeClear(pJob);
 
@@ -2461,8 +2488,6 @@ int32_t schExecStaticExplain(void *transport, SArray *pNodeList, SQueryPlan *pDa
 
   SCH_ERR_JRET(qExecStaticExplain(pDag, (SRetrieveTableRsp **)&pJob->resData));
 
-  pJob->resType = SCH_RES_TYPE_FETCH;
-
   int64_t refId = taosAddRef(schMgmt.jobRef, pJob);
   if (refId < 0) {
     SCH_JOB_ELOG("taosAddRef job failed, error:%s", tstrerror(terrno));
@@ -2540,24 +2565,30 @@ int32_t schedulerExecJob(void *transport, SArray *nodeList, SQueryPlan *pDag, in
     SCH_ERR_RET(TSDB_CODE_QRY_INVALID_INPUT);
   }
 
+  int32_t code = 0;
+  
+  *pJob = 0;
+  
   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_JRET(schExecJobImpl(transport, nodeList, pDag, pJob, sql, startTs, true));
   }
 
-  SSchJob *job = schAcquireJob(*pJob);
+_return:
 
-  pRes->code = atomic_load_32(&job->errCode);
-  pRes->numOfRows = job->resNumOfRows;
-  if (SCH_RES_TYPE_QUERY == job->resType) {
-    pRes->res = job->resData;
-    job->resData = NULL;
-  }
+  if (*pJob) {
+    SSchJob *job = schAcquireJob(*pJob);
 
-  schReleaseJob(*pJob);
+    pRes->code = atomic_load_32(&job->errCode);
+    pRes->numOfRows = job->resNumOfRows;
+    pRes->res = job->queryRes;
+    job->queryRes = NULL;
 
-  return TSDB_CODE_SUCCESS;
+    schReleaseJob(*pJob);
+  }
+
+  return code;
 }
 
 int32_t schedulerAsyncExecJob(void *transport, SArray *pNodeList, SQueryPlan *pDag, const char *sql, int64_t *pJob) {