diff --git a/source/client/src/clientTmq.c b/source/client/src/clientTmq.c
index 838b851d6d29c2e30f08635ccfd2ee937ac571fa..0bc33739c6b46b6426421ca728df7d29791b1e37 100644
--- a/source/client/src/clientTmq.c
+++ b/source/client/src/clientTmq.c
@@ -210,6 +210,8 @@ typedef struct {
 typedef struct {
   SMqCommitCbParamSet* params;
   STqOffset*           pOffset;
+  /*char                 topicName[TSDB_TOPIC_FNAME_LEN];*/
+  /*int32_t              vgId;*/
 } SMqCommitCbParam;
 
 tmq_conf_t* tmq_conf_new() {
@@ -407,6 +409,14 @@ int32_t tmqCommitDone(SMqCommitCbParamSet* pParamSet) {
   return 0;
 }
 
+static void tmqCommitRspCountDown(SMqCommitCbParamSet* pParamSet) {
+  int32_t waitingRspNum = atomic_sub_fetch_32(&pParamSet->waitingRspNum, 1);
+  ASSERT(waitingRspNum >= 0);
+  if (waitingRspNum == 0) {
+    tmqCommitDone(pParamSet);
+  }
+}
+
 int32_t tmqCommitCb(void* param, SDataBuf* pBuf, int32_t code) {
   SMqCommitCbParam*    pParam = (SMqCommitCbParam*)param;
   SMqCommitCbParamSet* pParamSet = (SMqCommitCbParamSet*)pParam->params;
@@ -420,18 +430,13 @@ int32_t tmqCommitCb(void* param, SDataBuf* pBuf, int32_t code) {
 #endif
 
   taosMemoryFree(pParam->pOffset);
-  if (pBuf->pData) taosMemoryFree(pBuf->pData);
+  taosMemoryFree(pBuf->pData);
 
   /*tscDebug("receive offset commit cb of %s on vgId:%d, offset is %" PRId64, pParam->pOffset->subKey, pParam->->vgId,
    * pOffset->version);*/
 
-  // count down waiting rsp
-  int32_t waitingRspNum = atomic_sub_fetch_32(&pParamSet->waitingRspNum, 1);
-  ASSERT(waitingRspNum >= 0);
+  tmqCommitRspCountDown(pParamSet);
 
-  if (waitingRspNum == 0) {
-    tmqCommitDone(pParamSet);
-  }
   return 0;
 }
 
@@ -591,14 +596,10 @@ FAIL:
   return 0;
 }
 
-int32_t tmqCommitInner(tmq_t* tmq, const TAOS_RES* msg, int8_t automatic, int8_t async, tmq_commit_cb* userCb,
-                       void* userParam) {
+static int32_t tmqCommitConsumerImpl(tmq_t* tmq, int8_t automatic, int8_t async, tmq_commit_cb* userCb,
+                                     void* userParam) {
   int32_t code = -1;
 
-  if (msg != NULL) {
-    return tmqCommitMsgImpl(tmq, msg, async, userCb, userParam);
-  }
-
   SMqCommitCbParamSet* pParamSet = taosMemoryCalloc(1, sizeof(SMqCommitCbParamSet));
   if (pParamSet == NULL) {
     code = TSDB_CODE_OUT_OF_MEMORY;
@@ -646,33 +647,37 @@ int32_t tmqCommitInner(tmq_t* tmq, const TAOS_RES* msg, int8_t automatic, int8_t
     }
   }
 
+  // no request is sent
   if (pParamSet->totalRspNum == 0) {
     tsem_destroy(&pParamSet->rspSem);
     taosMemoryFree(pParamSet);
     return 0;
   }
 
-  int32_t waitingRspNum = atomic_sub_fetch_32(&pParamSet->waitingRspNum, 1);
-  ASSERT(waitingRspNum >= 0);
-  if (waitingRspNum == 0) {
-    tmqCommitDone(pParamSet);
-  }
+  // count down since waiting rsp num init as 1
+  tmqCommitRspCountDown(pParamSet);
 
   if (!async) {
     tsem_wait(&pParamSet->rspSem);
     code = pParamSet->rspErr;
     tsem_destroy(&pParamSet->rspSem);
     taosMemoryFree(pParamSet);
-  }
-
 #if 0
-  if (!async) {
     taosArrayDestroyP(pParamSet->successfulOffsets, taosMemoryFree);
     taosArrayDestroyP(pParamSet->failedOffsets, taosMemoryFree);
-  }
 #endif
+  }
 
-  return 0;
+  return code;
+}
+
+int32_t tmqCommitInner(tmq_t* tmq, const TAOS_RES* msg, int8_t automatic, int8_t async, tmq_commit_cb* userCb,
+                       void* userParam) {
+  if (msg) {
+    return tmqCommitMsgImpl(tmq, msg, async, userCb, userParam);
+  } else {
+    return tmqCommitConsumerImpl(tmq, automatic, async, userCb, userParam);
+  }
 }
 
 void tmqAssignAskEpTask(void* param, void* tmrId) {
diff --git a/source/dnode/vnode/src/inc/tq.h b/source/dnode/vnode/src/inc/tq.h
index 69e6cdce9f25159247ffc4b331d7a7ef701e58fa..7f418439a89f8a638a3dc3a86213518fdf0b297a 100644
--- a/source/dnode/vnode/src/inc/tq.h
+++ b/source/dnode/vnode/src/inc/tq.h
@@ -149,7 +149,7 @@ int32_t tEncodeSTqHandle(SEncoder* pEncoder, const STqHandle* pHandle);
 int32_t tDecodeSTqHandle(SDecoder* pDecoder, STqHandle* pHandle);
 
 // tqRead
-int32_t tqScan(STQ* pTq, const STqHandle* pHandle, STaosxRsp* pRsp, SMqMetaRsp* pMetaRsp, STqOffsetVal* offset);
+int32_t tqScanTaosx(STQ* pTq, const STqHandle* pHandle, STaosxRsp* pRsp, SMqMetaRsp* pMetaRsp, STqOffsetVal* offset);
 int32_t tqScanData(STQ* pTq, const STqHandle* pHandle, SMqDataRsp* pRsp, STqOffsetVal* pOffset);
 int64_t tqFetchLog(STQ* pTq, STqHandle* pHandle, int64_t* fetchOffset, SWalCkHead** pHeadWithCkSum);
 
@@ -181,8 +181,8 @@ int32_t         tqOffsetDelete(STqOffsetStore* pStore, const char* subscribeKey)
 int32_t         tqOffsetCommitFile(STqOffsetStore* pStore);
 
 // tqSink
-void tqTableSink(SStreamTask* pTask, void* vnode, int64_t ver, void* data);
-void tqTableSink1(SStreamTask* pTask, void* vnode, int64_t ver, void* data);
+void tqSinkToTableMerge(SStreamTask* pTask, void* vnode, int64_t ver, void* data);
+void tqSinkToTablePipeline(SStreamTask* pTask, void* vnode, int64_t ver, void* data);
 
 // tqOffset
 char*   tqOffsetBuildFName(const char* path, int32_t ver);
diff --git a/source/dnode/vnode/src/tq/tq.c b/source/dnode/vnode/src/tq/tq.c
index 5e1cc150637f9acd2d6ff9e60717911cd4f252f6..6d71496008c80f30bdc666d9b9911e36f1412772 100644
--- a/source/dnode/vnode/src/tq/tq.c
+++ b/source/dnode/vnode/src/tq/tq.c
@@ -595,7 +595,7 @@ int32_t tqProcessPollReq(STQ* pTq, SRpcMsg* pMsg) {
   tqInitTaosxRsp(&taosxRsp, pReq);
 
   if (fetchOffsetNew.type != TMQ_OFFSET__LOG) {
-    tqScan(pTq, pHandle, &taosxRsp, &metaRsp, &fetchOffsetNew);
+    tqScanTaosx(pTq, pHandle, &taosxRsp, &metaRsp, &fetchOffsetNew);
 
     if (metaRsp.metaRspLen > 0) {
       if (tqSendMetaPollRsp(pTq, pMsg, pReq, &metaRsp) < 0) {
@@ -924,7 +924,7 @@ int32_t tqExpandTask(STQ* pTq, SStreamTask* pTask) {
     pTask->smaSink.smaSink = smaHandleRes;
   } else if (pTask->outputType == TASK_OUTPUT__TABLE) {
     pTask->tbSink.vnode = pTq->pVnode;
-    pTask->tbSink.tbSinkFunc = tqTableSink1;
+    pTask->tbSink.tbSinkFunc = tqSinkToTablePipeline;
 
     ASSERT(pTask->tbSink.pSchemaWrapper);
     ASSERT(pTask->tbSink.pSchemaWrapper->pSchema);
diff --git a/source/dnode/vnode/src/tq/tqExec.c b/source/dnode/vnode/src/tq/tqExec.c
index 58d051bec1aaa1d6d88309eb4ef17f2a9c736d4e..305ee829826f626c4dd85e2128269a34865216b8 100644
--- a/source/dnode/vnode/src/tq/tqExec.c
+++ b/source/dnode/vnode/src/tq/tqExec.c
@@ -123,7 +123,7 @@ int32_t tqScanData(STQ* pTq, const STqHandle* pHandle, SMqDataRsp* pRsp, STqOffs
   return 0;
 }
 
-int32_t tqScan(STQ* pTq, const STqHandle* pHandle, STaosxRsp* pRsp, SMqMetaRsp* pMetaRsp, STqOffsetVal* pOffset) {
+int32_t tqScanTaosx(STQ* pTq, const STqHandle* pHandle, STaosxRsp* pRsp, SMqMetaRsp* pMetaRsp, STqOffsetVal* pOffset) {
   const STqExecHandle* pExec = &pHandle->execHandle;
   qTaskInfo_t          task = pExec->task;
 
diff --git a/source/dnode/vnode/src/tq/tqSink.c b/source/dnode/vnode/src/tq/tqSink.c
index ab195b1eb33ef301c20c1e0a2d80b8e125495776..79d7e27642bb8d56882f4525d614d244ba1df0d2 100644
--- a/source/dnode/vnode/src/tq/tqSink.c
+++ b/source/dnode/vnode/src/tq/tqSink.c
@@ -284,7 +284,7 @@ SSubmitReq* tqBlockToSubmit(SVnode* pVnode, const SArray* pBlocks, const STSchem
   return ret;
 }
 
-void tqTableSink1(SStreamTask* pTask, void* vnode, int64_t ver, void* data) {
+void tqSinkToTablePipeline(SStreamTask* pTask, void* vnode, int64_t ver, void* data) {
   const SArray*   pBlocks = (const SArray*)data;
   SVnode*         pVnode = (SVnode*)vnode;
   int64_t         suid = pTask->tbSink.stbUid;
@@ -528,7 +528,7 @@ void tqTableSink1(SStreamTask* pTask, void* vnode, int64_t ver, void* data) {
   taosArrayDestroy(tagArray);
 }
 
-void tqTableSink(SStreamTask* pTask, void* vnode, int64_t ver, void* data) {
+void tqSinkToTableMerge(SStreamTask* pTask, void* vnode, int64_t ver, void* data) {
   const SArray*   pRes = (const SArray*)data;
   SVnode*         pVnode = (SVnode*)vnode;
   SBatchDeleteReq deleteReq = {0};