diff --git a/src/client/src/tscFunctionImpl.c b/src/client/src/tscFunctionImpl.c
index 1b4f92d3fc9fc78951e23eaec4c438d7522bf7f1..81893841f7cd2af32335a495b62c537e89f5ae0e 100644
--- a/src/client/src/tscFunctionImpl.c
+++ b/src/client/src/tscFunctionImpl.c
@@ -4025,11 +4025,11 @@ static void ts_comp_function(SQLFunctionCtx *pCtx) {
   
   // primary ts must be existed, so no need to check its existance
   if (pCtx->order == TSDB_ORDER_ASC) {
-    tsBufAppend(pTSbuf, 0, &pCtx->tag, input, pCtx->size * TSDB_KEYSIZE);
+    tsBufAppend(pTSbuf, pCtx->param[0].i64Key, &pCtx->tag, input, pCtx->size * TSDB_KEYSIZE);
   } else {
     for (int32_t i = pCtx->size - 1; i >= 0; --i) {
       char *d = GET_INPUT_CHAR_INDEX(pCtx, i);
-      tsBufAppend(pTSbuf, 0, &pCtx->tag, d, TSDB_KEYSIZE);
+      tsBufAppend(pTSbuf, pCtx->param[0].i64Key, &pCtx->tag, d, TSDB_KEYSIZE);
     }
   }
   
diff --git a/src/client/src/tscSubquery.c b/src/client/src/tscSubquery.c
index 2a684f8608ef2f9d384f2d7450cee95af95f5eb1..ca778d4f920c3de608ce01e1081357c3b4ff930a 100644
--- a/src/client/src/tscSubquery.c
+++ b/src/client/src/tscSubquery.c
@@ -158,9 +158,9 @@ static int64_t doTSBlockIntersect(SSqlObj* pSql, SJoinSupporter* pSupporter1, SJ
   tsBufDestroy(pSupporter1->pTSBuf);
   tsBufDestroy(pSupporter2->pTSBuf);
 
-  tscDebug("%p input1:%" PRId64 ", input2:%" PRId64 ", final:%" PRId64 " for secondary query after ts blocks "
-           "intersecting, skey:%" PRId64 ", ekey:%" PRId64, pSql, numOfInput1, numOfInput2, output1->numOfTotal,
-           win->skey, win->ekey);
+  tscDebug("%p input1:%" PRId64 ", input2:%" PRId64 ", final:%" PRId64 " in %d vnodes for secondary query after ts blocks "
+           "intersecting, skey:%" PRId64 ", ekey:%" PRId64 ", numOfVnode:%d", pSql, numOfInput1, numOfInput2, output1->numOfTotal,
+           output1->numOfVnodes, win->skey, win->ekey, tsBufGetNumOfVnodes(output1));
 
   return output1->numOfTotal;
 }
diff --git a/src/query/inc/qTsbuf.h b/src/query/inc/qTsbuf.h
index 46e6f79014f32c9b3052824bdb702556f5c4f060..be3d97dad763a95463dba2c6d7eb7e3c16c7c330 100644
--- a/src/query/inc/qTsbuf.h
+++ b/src/query/inc/qTsbuf.h
@@ -136,6 +136,10 @@ void tsBufSetCursor(STSBuf* pTSBuf, STSCursor* pCur);
  */
 void tsBufDisplay(STSBuf* pTSBuf);
 
+int32_t tsBufGetNumOfVnodes(STSBuf* pTSBuf);
+
+void tsBufGetVnodeIdList(STSBuf* pTSBuf, int32_t* num, int32_t** vnodeId);
+
 #ifdef __cplusplus
 }
 #endif
diff --git a/src/query/src/qExecutor.c b/src/query/src/qExecutor.c
index 3cb8db9fafe4ea8fa985377424152c7d0daecf12..224ecfe08ccd7a36d1518f776a8d72028b72e7ec 100644
--- a/src/query/src/qExecutor.c
+++ b/src/query/src/qExecutor.c
@@ -1005,9 +1005,10 @@ static void blockwiseApplyFunctions(SQueryRuntimeEnv *pRuntimeEnv, SDataStatis *
     longjmp(pRuntimeEnv->env, TSDB_CODE_QRY_OUT_OF_MEMORY);
   }
 
+  SQInfo* pQInfo = GET_QINFO_ADDR(pQuery);
   for (int32_t k = 0; k < pQuery->numOfOutput; ++k) {
     char *dataBlock = getDataBlock(pRuntimeEnv, &sasArray[k], k, pDataBlockInfo->rows, pDataBlock);
-    setExecParams(pQuery, &pCtx[k], dataBlock, tsCols, pDataBlockInfo, pStatis, &sasArray[k], k);
+    setExecParams(pQuery, &pCtx[k], dataBlock, tsCols, pDataBlockInfo, pStatis, &sasArray[k], k, pQInfo->vgId);
   }
 
   int32_t step = GET_FORWARD_DIRECTION_FACTOR(pQuery->order.order);
@@ -1469,7 +1470,7 @@ static int32_t tableApplyFunctionsOnBlock(SQueryRuntimeEnv *pRuntimeEnv, SDataBl
 }
 
 void setExecParams(SQuery *pQuery, SQLFunctionCtx *pCtx, void* inputData, TSKEY *tsCol, SDataBlockInfo* pBlockInfo,
-                   SDataStatis *pStatis, void *param, int32_t colIndex) {
+                   SDataStatis *pStatis, void *param, int32_t colIndex, int32_t vgId) {
 
   int32_t functionId = pQuery->pSelectExpr[colIndex].base.functionId;
   int32_t colId = pQuery->pSelectExpr[colIndex].base.colInfo.colId;
@@ -1542,6 +1543,9 @@ void setExecParams(SQuery *pQuery, SQLFunctionCtx *pCtx, void* inputData, TSKEY
         }
       }
     }
+  } else if (functionId == TSDB_FUNC_TS_COMP) {
+    pCtx->param[0].i64Key = vgId;
+    pCtx->param[0].nType = TSDB_DATA_TYPE_BIGINT;
   }
 
 #if defined(_DEBUG_VIEW)
diff --git a/src/query/src/qTsbuf.c b/src/query/src/qTsbuf.c
index b264f6cdc9d815a12cc5a3ab0e5c09c0d670bcdb..30cf070c0af58feb83370cc67f7b83be5a134ddd 100644
--- a/src/query/src/qTsbuf.c
+++ b/src/query/src/qTsbuf.c
@@ -561,6 +561,19 @@ static void tsBufGetBlock(STSBuf* pTSBuf, int32_t vnodeIndex, int32_t blockIndex
   pCur->tsIndex = (pCur->order == TSDB_ORDER_ASC) ? 0 : pBlock->numOfElem - 1;
 }
 
+static int32_t doUpdateVnodeInfo(STSBuf* pTSBuf, int64_t offset, STSVnodeBlockInfo* pVInfo) {
+  if (offset < 0 || offset >= getDataStartOffset()) {
+    return -1;
+  }
+
+  if (fseek(pTSBuf->f, (int32_t)offset, SEEK_SET) != 0) {
+    return -1;
+  }
+
+  fwrite(pVInfo, sizeof(STSVnodeBlockInfo), 1, pTSBuf->f);
+  return 0;
+}
+
 STSVnodeBlockInfo* tsBufGetVnodeBlockInfo(STSBuf* pTSBuf, int32_t vnodeId) {
   int32_t j = tsBufFindVnodeIndexFromId(pTSBuf->pData, pTSBuf->numOfVnodes, vnodeId);
   if (j == -1) {
@@ -915,19 +928,6 @@ static int32_t getDataStartOffset() {
   return sizeof(STSBufFileHeader) + TS_COMP_FILE_VNODE_MAX * sizeof(STSVnodeBlockInfo);
 }
 
-static int32_t doUpdateVnodeInfo(STSBuf* pTSBuf, int64_t offset, STSVnodeBlockInfo* pVInfo) {
-  if (offset < 0 || offset >= getDataStartOffset()) {
-    return -1;
-  }
-  
-  if (fseek(pTSBuf->f, (int32_t)offset, SEEK_SET) != 0) {
-    return -1;
-  }
-  
-  fwrite(pVInfo, sizeof(STSVnodeBlockInfo), 1, pTSBuf->f);
-  return 0;
-}
-
 // update prev vnode length info in file
 static void TSBufUpdateVnodeInfo(STSBuf* pTSBuf, int32_t index, STSVnodeBlockInfo* pBlockInfo) {
   int32_t offset = sizeof(STSBufFileHeader) + index * sizeof(STSVnodeBlockInfo);
@@ -969,3 +969,29 @@ static STSBuf* allocResForTSBuf(STSBuf* pTSBuf) {
   pTSBuf->fileSize += getDataStartOffset();
   return pTSBuf;
 }
+
+int32_t tsBufGetNumOfVnodes(STSBuf* pTSBuf) {
+  if (pTSBuf == NULL) {
+    return 0;
+  }
+
+  return pTSBuf->pData->len;
+}
+
+void tsBufGetVnodeIdList(STSBuf* pTSBuf, int32_t* num, int32_t** vnodeId) {
+  int32_t size = tsBugGetNumOfVnodes(pTSBuf);
+  if (num != NULL) {
+    *num = size;
+  }
+
+  *vnodeId = NULL;
+  if (size == 0) {
+    return;
+  }
+
+  (*vnodeId) = malloc(tsBugGetNumOfVnodes(pTSBuf) * sizeof(int32_t));
+
+  for(int32_t i = 0; i < size; ++i) {
+    (*vnodeId)[i] = pTSBuf->pData[i].info.vnode;
+  }
+}
\ No newline at end of file