diff --git a/include/libs/stream/tstream.h b/include/libs/stream/tstream.h
index ddd7e1cd02b69c74469da66623372c535d873c5b..6b5eb3b491fdbbd441eed703d5327efe67afcb64 100644
--- a/include/libs/stream/tstream.h
+++ b/include/libs/stream/tstream.h
@@ -339,6 +339,7 @@ typedef struct {
   int32_t sourceTaskId;
   int32_t sourceVg;
   int32_t sourceChildId;
+  int32_t upstreamNodeId;
 #if 0
   int64_t sourceVer;
 #endif
diff --git a/source/client/src/tmq.c b/source/client/src/tmq.c
index cccb1fa6d01aa6aa5ab36042155e5fe5c28b94eb..b5011a19a29d2025ad84bfe662ed4e2050da8655 100644
--- a/source/client/src/tmq.c
+++ b/source/client/src/tmq.c
@@ -494,7 +494,6 @@ int32_t tmqHandleAllDelayedTask(tmq_t* tmq) {
       tmqAskEp(tmq, true);
       taosTmrReset(tmqAssignDelayedHbTask, 1000, tmq, tmqMgmt.timer, &tmq->hbTimer);
     } else if (*pTaskType == TMQ_DELAYED_TASK__COMMIT) {
-      /*tmq_commit(tmq, NULL, true);*/
       tmqCommitInner(tmq, NULL, 1, 1, tmq->commitCb, tmq->commitCbUserParam);
       taosTmrReset(tmqAssignDelayedCommitTask, tmq->autoCommitInterval, tmq, tmqMgmt.timer, &tmq->commitTimer);
     } else if (*pTaskType == TMQ_DELAYED_TASK__REPORT) {
@@ -667,94 +666,6 @@ FAIL:
 
 tmq_resp_err_t tmq_commit(tmq_t* tmq, const tmq_topic_vgroup_list_t* offsets, int32_t async) {
   return tmqCommitInner(tmq, offsets, 0, async, tmq->commitCb, tmq->commitCbUserParam);
-#if 0
-  // TODO: add read write lock
-  SRequestObj*   pRequest = NULL;
-  tmq_resp_err_t resp = TMQ_RESP_ERR__SUCCESS;
-  // build msg
-  // send to mnode
-  SMqCMCommitOffsetReq req;
-  SArray*              pOffsets = NULL;
-
-  if (offsets == NULL) {
-    pOffsets = taosArrayInit(0, sizeof(SMqOffset));
-    for (int i = 0; i < taosArrayGetSize(tmq->clientTopics); i++) {
-      SMqClientTopic* pTopic = taosArrayGet(tmq->clientTopics, i);
-      for (int j = 0; j < taosArrayGetSize(pTopic->vgs); j++) {
-        SMqClientVg* pVg = taosArrayGet(pTopic->vgs, j);
-        SMqOffset    offset;
-        strcpy(offset.topicName, pTopic->topicName);
-        strcpy(offset.cgroup, tmq->groupId);
-        offset.vgId = pVg->vgId;
-        offset.offset = pVg->currentOffset;
-        taosArrayPush(pOffsets, &offset);
-      }
-    }
-    req.num = pOffsets->size;
-    req.offsets = pOffsets->pData;
-  } else {
-    req.num = taosArrayGetSize(&offsets->container);
-    req.offsets = (SMqOffset*)offsets->container.pData;
-  }
-
-  SEncoder encoder;
-
-  tEncoderInit(&encoder, NULL, 0);
-  tEncodeSMqCMCommitOffsetReq(&encoder, &req);
-  int32_t tlen = encoder.pos;
-  void*   buf = taosMemoryMalloc(tlen);
-  if (buf == NULL) {
-    tEncoderClear(&encoder);
-    return -1;
-  }
-  tEncoderClear(&encoder);
-
-  tEncoderInit(&encoder, buf, tlen);
-  tEncodeSMqCMCommitOffsetReq(&encoder, &req);
-  tEncoderClear(&encoder);
-
-  pRequest = createRequest(tmq->pTscObj, NULL, NULL, TDMT_MND_MQ_COMMIT_OFFSET);
-  if (pRequest == NULL) {
-    tscError("failed to malloc request");
-  }
-
-  SMqCommitCbParam* pParam = taosMemoryCalloc(1, sizeof(SMqCommitCbParam));
-  if (pParam == NULL) {
-    return -1;
-  }
-  pParam->tmq = tmq;
-  tsem_init(&pParam->rspSem, 0, 0);
-  pParam->async = async;
-  pParam->offsets = pOffsets;
-
-  pRequest->body.requestMsg = (SDataBuf){
-      .pData = buf,
-      .len = tlen,
-      .handle = NULL,
-  };
-
-  SMsgSendInfo* sendInfo = buildMsgInfoImpl(pRequest);
-  sendInfo->requestObjRefId = 0;
-  sendInfo->param = pParam;
-  sendInfo->fp = tmqCommitCb;
-  SEpSet epSet = getEpSet_s(&tmq->pTscObj->pAppInfo->mgmtEp);
-
-  int64_t transporterId = 0;
-  asyncSendMsgToServer(tmq->pTscObj->pAppInfo->pTransporter, &epSet, &transporterId, sendInfo);
-
-  if (!async) {
-    tsem_wait(&pParam->rspSem);
-    resp = pParam->rspErr;
-    tsem_destroy(&pParam->rspSem);
-    taosMemoryFree(pParam);
-
-    if (pOffsets) {
-      taosArrayDestroy(pOffsets);
-    }
-  }
-
-  return resp;
-#endif
 }
 
 tmq_resp_err_t tmq_subscribe(tmq_t* tmq, const tmq_list_t* topic_list) {
@@ -859,93 +770,6 @@ void tmq_conf_set_auto_commit_cb(tmq_conf_t* conf, tmq_commit_cb* cb, void* para
   conf->commitCbUserParam = param;
 }
 
-#if 0
-TAOS_RES* tmq_create_stream(TAOS* taos, const char* streamName, const char* tbName, const char* sql) {
-  STscObj*     pTscObj = (STscObj*)taos;
-  SRequestObj* pRequest = NULL;
-  SQuery*      pQueryNode = NULL;
-  char*        astStr = NULL;
-  int32_t      sqlLen;
-
-  terrno = TSDB_CODE_SUCCESS;
-  if (taos == NULL || streamName == NULL || sql == NULL) {
-    tscError("invalid parameters for creating stream, connObj:%p, stream name:%s, sql:%s", taos, streamName, sql);
-    terrno = TSDB_CODE_TSC_INVALID_INPUT;
-    goto _return;
-  }
-  sqlLen = strlen(sql);
-
-  if (strlen(tbName) >= TSDB_TABLE_NAME_LEN) {
-    tscError("output tb name too long, max length:%d", TSDB_TABLE_NAME_LEN - 1);
-    terrno = TSDB_CODE_TSC_INVALID_INPUT;
-    goto _return;
-  }
-
-  if (sqlLen > TSDB_MAX_ALLOWED_SQL_LEN) {
-    tscError("sql string exceeds max length:%d", TSDB_MAX_ALLOWED_SQL_LEN);
-    terrno = TSDB_CODE_TSC_EXCEED_SQL_LIMIT;
-    goto _return;
-  }
-
-  tscDebug("start to create stream: %s", streamName);
-
-  int32_t code = 0;
-  CHECK_CODE_GOTO(buildRequest(pTscObj, sql, sqlLen, &pRequest), _return);
-  CHECK_CODE_GOTO(parseSql(pRequest, false, &pQueryNode, NULL), _return);
-  CHECK_CODE_GOTO(nodesNodeToString(pQueryNode->pRoot, false, &astStr, NULL), _return);
-
-  /*printf("%s\n", pStr);*/
-
-  SName name = {.acctId = pTscObj->acctId, .type = TSDB_TABLE_NAME_T};
-  strcpy(name.dbname, pRequest->pDb);
-  strcpy(name.tname, streamName);
-
-  SCMCreateStreamReq req = {
-      .igExists = 1,
-      .ast = astStr,
-      .sql = (char*)sql,
-  };
-  tNameExtractFullName(&name, req.name);
-  strcpy(req.targetStbFullName, tbName);
-
-  int   tlen = tSerializeSCMCreateStreamReq(NULL, 0, &req);
-  void* buf = taosMemoryMalloc(tlen);
-  if (buf == NULL) {
-    goto _return;
-  }
-
-  tSerializeSCMCreateStreamReq(buf, tlen, &req);
-
-  pRequest->body.requestMsg = (SDataBuf){
-      .pData = buf,
-      .len = tlen,
-      .handle = NULL,
-  };
-  pRequest->type = TDMT_MND_CREATE_STREAM;
-
-  SMsgSendInfo* sendInfo = buildMsgInfoImpl(pRequest);
-  SEpSet        epSet = getEpSet_s(&pTscObj->pAppInfo->mgmtEp);
-
-  int64_t transporterId = 0;
-  asyncSendMsgToServer(pTscObj->pAppInfo->pTransporter, &epSet, &transporterId, sendInfo);
-
-  tsem_wait(&pRequest->body.rspSem);
-
-_return:
-  taosMemoryFreeClear(astStr);
-  qDestroyQuery(pQueryNode);
-  /*if (sendInfo != NULL) {*/
-  /*destroySendMsgInfo(sendInfo);*/
-  /*}*/
-
-  if (pRequest != NULL && terrno != TSDB_CODE_SUCCESS) {
-    pRequest->code = terrno;
-  }
-
-  return pRequest;
-}
-#endif
-
 #if 0
 int32_t tmqGetSkipLogNum(tmq_message_t* tmq_message) {
   if (tmq_message == NULL) return 0;
@@ -1540,10 +1364,11 @@ const char* tmq_get_table_name(TAOS_RES* res) {
   }
   return NULL;
 }
-DLL_EXPORT void tmq_commit_async(tmq_t* tmq, const tmq_topic_vgroup_list_t* offsets, tmq_commit_cb* cb, void* param) {
+
+void tmq_commit_async(tmq_t* tmq, const tmq_topic_vgroup_list_t* offsets, tmq_commit_cb* cb, void* param) {
   tmqCommitInner(tmq, offsets, 0, 1, cb, param);
 }
 
-DLL_EXPORT tmq_resp_err_t tmq_commit_sync(tmq_t* tmq, const tmq_topic_vgroup_list_t* offsets) {
+tmq_resp_err_t tmq_commit_sync(tmq_t* tmq, const tmq_topic_vgroup_list_t* offsets) {
   return tmqCommitInner(tmq, offsets, 0, 0, NULL, NULL);
 }
diff --git a/source/common/src/tdatablock.c b/source/common/src/tdatablock.c
index f7b03336e956dd4d829577cbee42ec94c0997b6a..4ebedc98c110a15d2d80eeb20617a71b20536981 100644
--- a/source/common/src/tdatablock.c
+++ b/source/common/src/tdatablock.c
@@ -684,7 +684,8 @@ size_t blockDataGetRowSize(SSDataBlock* pBlock) {
  */
 size_t blockDataGetSerialMetaSize(uint32_t numOfCols) {
   // | total rows/total length | block group id | column schema | each column length |
-  return sizeof(int32_t) + sizeof(uint64_t) + numOfCols * (sizeof(int16_t) + sizeof(int32_t)) + numOfCols * sizeof(int32_t);
+  return sizeof(int32_t) + sizeof(uint64_t) + numOfCols * (sizeof(int16_t) + sizeof(int32_t)) +
+         numOfCols * sizeof(int32_t);
 }
 
 double blockDataGetSerialRowSize(const SSDataBlock* pBlock) {
@@ -1893,12 +1894,12 @@ void blockCompressEncode(const SSDataBlock* pBlock, char* data, int32_t* dataLen
   uint64_t* groupId = (uint64_t*)data;
   data += sizeof(uint64_t);
 
-  for(int32_t i = 0; i < numOfCols; ++i) {
+  for (int32_t i = 0; i < numOfCols; ++i) {
     SColumnInfoData* pColInfoData = taosArrayGet(pBlock->pDataBlock, i);
-    *((int16_t*) data) = pColInfoData->info.type;
+    *((int16_t*)data) = pColInfoData->info.type;
     data += sizeof(int16_t);
 
-    *((int32_t*) data) = pColInfoData->info.bytes;
+    *((int32_t*)data) = pColInfoData->info.bytes;
     data += sizeof(int32_t);
   }
 
@@ -1944,6 +1945,8 @@ void blockCompressEncode(const SSDataBlock* pBlock, char* data, int32_t* dataLen
 
 const char* blockCompressDecode(SSDataBlock* pBlock, int32_t numOfCols, int32_t numOfRows, const char* pData) {
   blockDataEnsureCapacity(pBlock, numOfRows);
+  pBlock->info.rows = numOfRows;
+
   const char* pStart = pData;
 
   int32_t dataLen = *(int32_t*)pStart;
@@ -1952,13 +1955,25 @@ const char* blockCompressDecode(SSDataBlock* pBlock, int32_t numOfCols, int32_t
   pBlock->info.groupId = *(uint64_t*)pStart;
   pStart += sizeof(uint64_t);
 
-  for(int32_t i = 0; i < numOfCols; ++i) {
+  if (pBlock->pDataBlock == NULL) {
+    pBlock->pDataBlock = taosArrayInit(numOfCols, sizeof(SColumnInfoData));
+    taosArraySetSize(pBlock->pDataBlock, numOfCols);
+  }
+
+  pBlock->info.numOfCols = taosArrayGetSize(pBlock->pDataBlock);
+  ASSERT(pBlock->pDataBlock->size >= numOfCols);
+
+  for (int32_t i = 0; i < numOfCols; ++i) {
     SColumnInfoData* pColInfoData = taosArrayGet(pBlock->pDataBlock, i);
     pColInfoData->info.type = *(int16_t*)pStart;
     pStart += sizeof(int16_t);
 
     pColInfoData->info.bytes = *(int32_t*)pStart;
     pStart += sizeof(int32_t);
+
+    if (IS_VAR_DATA_TYPE(pColInfoData->info.type)) {
+      pBlock->info.hasVarCol = true;
+    }
   }
 
   blockDataEnsureCapacity(pBlock, numOfRows);
@@ -1983,11 +1998,17 @@ const char* blockCompressDecode(SSDataBlock* pBlock, int32_t numOfCols, int32_t
         pColInfoData->pData = taosMemoryMalloc(colLen[i]);
       }
     } else {
+      if (pColInfoData->nullbitmap == NULL) {
+        pColInfoData->nullbitmap = taosMemoryCalloc(1, BitmapLen(numOfRows));
+      }
       memcpy(pColInfoData->nullbitmap, pStart, BitmapLen(numOfRows));
       pStart += BitmapLen(numOfRows);
     }
 
     if (colLen[i] > 0) {
+      if (pColInfoData->pData == NULL) {
+        pColInfoData->pData = taosMemoryCalloc(1, colLen[i]);
+      }
       memcpy(pColInfoData->pData, pStart, colLen[i]);
     }
 
diff --git a/source/dnode/mgmt/mgmt_vnode/src/vmHandle.c b/source/dnode/mgmt/mgmt_vnode/src/vmHandle.c
index 0ae6c2b3360553e33f000b245568d833a53faf75..90e4e30261b8699e6c0f680087aa753ac5569f6c 100644
--- a/source/dnode/mgmt/mgmt_vnode/src/vmHandle.c
+++ b/source/dnode/mgmt/mgmt_vnode/src/vmHandle.c
@@ -352,7 +352,9 @@ SArray *vmGetMsgHandles() {
   if (dmSetMgmtHandle(pArray, TDMT_STREAM_TASK_DEPLOY, vmPutMsgToWriteQueue, 0) == NULL) goto _OVER;
   if (dmSetMgmtHandle(pArray, TDMT_STREAM_TASK_RUN, vmPutMsgToFetchQueue, 0) == NULL) goto _OVER;
   if (dmSetMgmtHandle(pArray, TDMT_STREAM_TASK_DISPATCH, vmPutMsgToFetchQueue, 0) == NULL) goto _OVER;
+  if (dmSetMgmtHandle(pArray, TDMT_STREAM_TASK_DISPATCH_RSP, vmPutMsgToFetchQueue, 0) == NULL) goto _OVER;
   if (dmSetMgmtHandle(pArray, TDMT_STREAM_TASK_RECOVER, vmPutMsgToFetchQueue, 0) == NULL) goto _OVER;
+  if (dmSetMgmtHandle(pArray, TDMT_STREAM_TASK_RECOVER_RSP, vmPutMsgToFetchQueue, 0) == NULL) goto _OVER;
 
   if (dmSetMgmtHandle(pArray, TDMT_VND_ALTER_REPLICA, vmPutMsgToWriteQueue, 0) == NULL) goto _OVER;
   if (dmSetMgmtHandle(pArray, TDMT_VND_ALTER_CONFIG, vmPutMsgToWriteQueue, 0) == NULL) goto _OVER;
diff --git a/source/dnode/vnode/src/tq/tq.c b/source/dnode/vnode/src/tq/tq.c
index 181cddee47bab68470147f3d79da4db38bf9cc7d..a1b8d81d58f6abff1305b158bb48049752599b92 100644
--- a/source/dnode/vnode/src/tq/tq.c
+++ b/source/dnode/vnode/src/tq/tq.c
@@ -448,7 +448,7 @@ int32_t tqProcessTaskRecoverReq(STQ* pTq, SRpcMsg* pMsg) {
 }
 
 int32_t tqProcessTaskDispatchRsp(STQ* pTq, SRpcMsg* pMsg) {
-  SStreamDispatchRsp* pRsp = pMsg->pCont;
+  SStreamDispatchRsp* pRsp = POINTER_SHIFT(pMsg->pCont, sizeof(SMsgHead));
   int32_t             taskId = pRsp->taskId;
   SStreamTask*        pTask = taosHashGet(pTq->pStreamTasks, &taskId, sizeof(int32_t));
   streamProcessDispatchRsp(pTask, &pTq->pVnode->msgCb, pRsp);
diff --git a/source/libs/executor/src/scanoperator.c b/source/libs/executor/src/scanoperator.c
index cc76cc29e4afdbf40c9f2293c6066b5cdb63af2b..1e2a26386bbfee90c5285d3c86cac441d5748ff6 100644
--- a/source/libs/executor/src/scanoperator.c
+++ b/source/libs/executor/src/scanoperator.c
@@ -737,8 +737,8 @@ static bool isStateWindow(SStreamBlockScanInfo* pInfo) {
 static bool prepareDataScan(SStreamBlockScanInfo* pInfo) {
   SSDataBlock* pSDB = pInfo->pUpdateRes;
   STimeWindow  win = {
-      .skey = INT64_MIN,
-      .ekey = INT64_MAX,
+       .skey = INT64_MIN,
+       .ekey = INT64_MAX,
   };
   bool needRead = false;
   if (!isStateWindow(pInfo) && pInfo->updateResIndex < pSDB->info.rows) {
@@ -846,7 +846,7 @@ static SSDataBlock* doStreamBlockScan(SOperatorInfo* pOperator) {
   size_t total = taosArrayGetSize(pInfo->pBlockLists);
   if (pInfo->blockType == STREAM_DATA_TYPE_SSDATA_BLOCK) {
     if (pInfo->validBlockIndex >= total) {
-      doClearBufferedBlocks(pInfo);
+      /*doClearBufferedBlocks(pInfo);*/
       pOperator->status = OP_EXEC_DONE;
       return NULL;
     }
diff --git a/source/libs/stream/src/stream.c b/source/libs/stream/src/stream.c
index 823ce6d2fe68703b42f10e1036c25428b08939ec..069595390db7833e025f3f9498e169cfb6980581 100644
--- a/source/libs/stream/src/stream.c
+++ b/source/libs/stream/src/stream.c
@@ -59,7 +59,7 @@ int32_t streamTaskEnqueue(SStreamTask* pTask, SStreamDispatchReq* pReq, SRpcMsg*
 
   // rsp by input status
   void* buf = rpcMallocCont(sizeof(SMsgHead) + sizeof(SStreamDispatchRsp));
-  ((SMsgHead*)buf)->vgId = htonl(pReq->sourceVg);
+  ((SMsgHead*)buf)->vgId = htonl(pReq->upstreamNodeId);
   SStreamDispatchRsp* pCont = POINTER_SHIFT(buf, sizeof(SMsgHead));
   pCont->inputStatus = status;
   pCont->streamId = pReq->streamId;
@@ -78,7 +78,18 @@ int32_t streamProcessDispatchReq(SStreamTask* pTask, SMsgCb* pMsgCb, SStreamDisp
   // 2.1. idle: exec
   // 2.2. executing: return
   // 2.3. closing: keep trying
-  streamExec(pTask, pMsgCb);
+  if (pTask->execType != TASK_EXEC__NONE) {
+    streamExec(pTask, pMsgCb);
+  } else {
+    ASSERT(pTask->sinkType != TASK_SINK__NONE);
+    while (1) {
+      void* data = streamQueueNextItem(pTask->inputQueue);
+      if (data == NULL) return 0;
+      if (streamTaskOutput(pTask, data) < 0) {
+        ASSERT(0);
+      }
+    }
+  }
 
   // 3. handle output
   // 3.1 check and set status
diff --git a/source/libs/stream/src/streamDispatch.c b/source/libs/stream/src/streamDispatch.c
index d1e3fa079916b1413ef189b2eb71680cfbbafb0a..16da418677dad58bbfac70add0c625635a30da6f 100644
--- a/source/libs/stream/src/streamDispatch.c
+++ b/source/libs/stream/src/streamDispatch.c
@@ -22,6 +22,7 @@ int32_t tEncodeStreamDispatchReq(SEncoder* pEncoder, const SStreamDispatchReq* p
   if (tEncodeI32(pEncoder, pReq->sourceTaskId) < 0) return -1;
   if (tEncodeI32(pEncoder, pReq->sourceVg) < 0) return -1;
   if (tEncodeI32(pEncoder, pReq->sourceChildId) < 0) return -1;
+  if (tEncodeI32(pEncoder, pReq->upstreamNodeId) < 0) return -1;
   if (tEncodeI32(pEncoder, pReq->blockNum) < 0) return -1;
   ASSERT(taosArrayGetSize(pReq->data) == pReq->blockNum);
   ASSERT(taosArrayGetSize(pReq->dataLen) == pReq->blockNum);
@@ -42,6 +43,7 @@ int32_t tDecodeStreamDispatchReq(SDecoder* pDecoder, SStreamDispatchReq* pReq) {
   if (tDecodeI32(pDecoder, &pReq->sourceTaskId) < 0) return -1;
   if (tDecodeI32(pDecoder, &pReq->sourceVg) < 0) return -1;
   if (tDecodeI32(pDecoder, &pReq->sourceChildId) < 0) return -1;
+  if (tDecodeI32(pDecoder, &pReq->upstreamNodeId) < 0) return -1;
   if (tDecodeI32(pDecoder, &pReq->blockNum) < 0) return -1;
   ASSERT(pReq->blockNum > 0);
   pReq->data = taosArrayInit(pReq->blockNum, sizeof(void*));
@@ -94,6 +96,7 @@ int32_t streamBuildDispatchMsg(SStreamTask* pTask, SStreamDataBlock* data, SRpcM
       .sourceTaskId = pTask->taskId,
       .sourceVg = data->sourceVg,
       .sourceChildId = pTask->childId,
+      .upstreamNodeId = pTask->nodeId,
       .blockNum = blockNum,
   };
 
@@ -184,13 +187,17 @@ int32_t streamDispatch(SStreamTask* pTask, SMsgCb* pMsgCb) {
 #endif
 
   SStreamDataBlock* pBlock = streamQueueNextItem(pTask->outputQueue);
-  if (pBlock == NULL) return 0;
+  if (pBlock == NULL) {
+    atomic_store_8(&pTask->outputStatus, TASK_OUTPUT_STATUS__NORMAL);
+    return 0;
+  }
   ASSERT(pBlock->type == STREAM_DATA_TYPE_SSDATA_BLOCK);
 
   SRpcMsg dispatchMsg = {0};
   SEpSet* pEpSet = NULL;
   if (streamBuildDispatchMsg(pTask, pBlock, &dispatchMsg, &pEpSet) < 0) {
     ASSERT(0);
+    atomic_store_8(&pTask->outputStatus, TASK_OUTPUT_STATUS__NORMAL);
     return -1;
   }
 
diff --git a/source/libs/stream/src/streamExec.c b/source/libs/stream/src/streamExec.c
index 72df516e0d63222e6ebab82a086b9116e7c62432..fe1a85774316068d7691a41d7c2a4ff2ae59e20e 100644
--- a/source/libs/stream/src/streamExec.c
+++ b/source/libs/stream/src/streamExec.c
@@ -65,6 +65,7 @@ static SArray* streamExecForQall(SStreamTask* pTask, SArray* pRes) {
       }
       qRes->type = STREAM_INPUT__DATA_BLOCK;
       qRes->blocks = pRes;
+      /*qRes->sourceVg = pTask->nodeId;*/
       if (streamTaskOutput(pTask, qRes) < 0) {
         streamQueueProcessFail(pTask->inputQueue);
         taosArrayDestroy(pRes);