diff --git a/source/libs/executor/inc/executorimpl.h b/source/libs/executor/inc/executorimpl.h
index ecb04bf5bc3cc2afbd9eb3db9309a09c94ed0df7..4b0ce0e545b4eaa0cab6cf1ac45cf2463d6111cc 100644
--- a/source/libs/executor/inc/executorimpl.h
+++ b/source/libs/executor/inc/executorimpl.h
@@ -478,6 +478,7 @@ typedef struct SStreamScanInfo {
   uint64_t    tableUid;  // queried super table uid
   SExprInfo*  pPseudoExpr;
   int32_t     numOfPseudoExpr;
+  SExprSupp   tbnameCalSup;
   int32_t     primaryTsIndex;  // primary time stamp slot id
   SReadHandle readHandle;
   SInterval   interval;       // if the upstream is an interval operator, the interval info is also kept here.
diff --git a/source/libs/executor/src/executorimpl.c b/source/libs/executor/src/executorimpl.c
index 44cd665052f22e0d855b2cd1ea410602de4b97b3..2f191db74db0a3a509a021101d929ea8f8e9695d 100644
--- a/source/libs/executor/src/executorimpl.c
+++ b/source/libs/executor/src/executorimpl.c
@@ -4249,6 +4249,8 @@ int32_t buildDataBlockFromGroupRes(SOperatorInfo* pOperator, SStreamState* pStat
       char* tbname = taosHashGet(pInfo->pGroupIdTbNameMap, &pBlock->info.groupId, sizeof(int64_t));
       if (tbname != NULL) {
         memcpy(pBlock->info.parTbName, tbname, TSDB_TABLE_NAME_LEN);
+      } else {
+        pBlock->info.parTbName[0] = 0;
       }
     } else {
       // current value belongs to different group, it can't be packed into one datablock
diff --git a/source/libs/executor/src/groupoperator.c b/source/libs/executor/src/groupoperator.c
index 5e7afa1303b408c4e640b2c92ecb665ef67aba93..44dc362e2244582d28230388840c1757f310de69 100644
--- a/source/libs/executor/src/groupoperator.c
+++ b/source/libs/executor/src/groupoperator.c
@@ -873,7 +873,7 @@ static SSDataBlock* buildStreamPartitionResult(SOperatorInfo* pOperator) {
       colDataAppend(pDestCol, pDest->info.rows, pSrcData, isNull);
     }
     pDest->info.rows++;
-    if (i == 0) {
+    if (pInfo->tbnameCalSup.numOfExprs > 0 && i == 0) {
       SSDataBlock* pTmpBlock = blockCopyOneRow(pSrc, rowIndex);
       SSDataBlock* pResBlock = createDataBlock();
       pResBlock->info.rowSize = TSDB_TABLE_NAME_LEN;
@@ -892,6 +892,9 @@ static SSDataBlock* buildStreamPartitionResult(SOperatorInfo* pOperator) {
       } else {
         pDest->info.parTbName[0] = 0;
       }
+      /*printf("\n\n set name %s\n\n", pDest->info.parTbName);*/
+      blockDataDestroy(pTmpBlock);
+      blockDataDestroy(pResBlock);
     }
   }
   blockDataUpdateTsWindow(pDest, pInfo->tsColIndex);
@@ -915,7 +918,6 @@ static void doStreamHashPartitionImpl(SStreamPartitionOperatorInfo* pInfo, SSDat
     } else {
       SPartitionDataInfo newParData = {0};
       newParData.groupId = calcGroupId(pInfo->partitionSup.keyBuf, keyLen);
-      /*newParData.tbname = */
       newParData.rowIds = taosArrayInit(64, sizeof(int32_t));
       taosArrayPush(newParData.rowIds, &i);
       taosHashPut(pInfo->pPartitions, pInfo->partitionSup.keyBuf, keyLen, &newParData, sizeof(SPartitionDataInfo));
diff --git a/source/libs/executor/src/scanoperator.c b/source/libs/executor/src/scanoperator.c
index e43a6011de1f5af4a55ccb58338e1e87e7ae02b9..670b2a2f5ea6146725f0efc9360fa2d52cf8cf19 100644
--- a/source/libs/executor/src/scanoperator.c
+++ b/source/libs/executor/src/scanoperator.c
@@ -1415,6 +1415,30 @@ static int32_t setBlockIntoRes(SStreamScanInfo* pInfo, const SSDataBlock* pBlock
   }
   blockDataUpdateTsWindow(pInfo->pRes, pInfo->primaryTsIndex);
   blockDataFreeRes((SSDataBlock*)pBlock);
+
+  if (pInfo->tbnameCalSup.numOfExprs > 0 && pInfo->pRes->info.rows > 0) {
+    SSDataBlock* pTmpBlock = blockCopyOneRow(pInfo->pRes, 0);
+    SSDataBlock* pResBlock = createDataBlock();
+    pResBlock->info.rowSize = TSDB_TABLE_NAME_LEN;
+    SColumnInfoData data = createColumnInfoData(TSDB_DATA_TYPE_VARCHAR, TSDB_TABLE_NAME_LEN, 0);
+    taosArrayPush(pResBlock->pDataBlock, &data);
+    blockDataEnsureCapacity(pResBlock, 1);
+    projectApplyFunctions(pInfo->tbnameCalSup.pExprInfo, pResBlock, pTmpBlock, pInfo->tbnameCalSup.pCtx, 1, NULL);
+    ASSERT(pResBlock->info.rows == 1);
+    ASSERT(taosArrayGetSize(pResBlock->pDataBlock) == 1);
+    SColumnInfoData* pCol = taosArrayGet(pResBlock->pDataBlock, 0);
+    ASSERT(pCol->info.type == TSDB_DATA_TYPE_VARCHAR);
+    void* pData = colDataGetData(pCol, 0);
+    // TODO check tbname validation
+    if (pData != (void*)-1) {
+      memcpy(pInfo->pRes->info.parTbName, varDataVal(pData), varDataLen(pData));
+    } else {
+      pInfo->pRes->info.parTbName[0] = 0;
+    }
+    blockDataDestroy(pTmpBlock);
+    blockDataDestroy(pResBlock);
+  }
+
   return 0;
 }
 
@@ -2089,6 +2113,19 @@ SOperatorInfo* createStreamScanOperatorInfo(SReadHandle* pHandle, STableScanPhys
     }
   }
 
+  if (pTableScanNode->pSubtable != NULL) {
+    SExprInfo* pSubTableExpr = taosMemoryCalloc(1, sizeof(SExprInfo));
+    if (pSubTableExpr == NULL) {
+      terrno = TSDB_CODE_OUT_OF_MEMORY;
+      goto _error;
+    }
+    pInfo->tbnameCalSup.pExprInfo = pSubTableExpr;
+    createExprFromOneNode(pSubTableExpr, pTableScanNode->pSubtable, 0);
+    if (initExprSupp(&pInfo->tbnameCalSup, pSubTableExpr, 1) != 0) {
+      goto _error;
+    }
+  }
+
   pInfo->pBlockLists = taosArrayInit(4, POINTER_BYTES);
   if (pInfo->pBlockLists == NULL) {
     terrno = TSDB_CODE_OUT_OF_MEMORY;
diff --git a/source/libs/executor/src/timewindowoperator.c b/source/libs/executor/src/timewindowoperator.c
index e0a5bbffa45fac6eff4e24ce2270037883e64552..b0610c71e11e676f9ecbba8d355f54df3c551b6b 100644
--- a/source/libs/executor/src/timewindowoperator.c
+++ b/source/libs/executor/src/timewindowoperator.c
@@ -1761,6 +1761,7 @@ void destroyStreamFinalIntervalOperatorInfo(void* param) {
   nodesDestroyNode((SNode*)pInfo->pPhyNode);
   colDataDestroy(&pInfo->twAggSup.timeWindowData);
   cleanupGroupResInfo(&pInfo->groupResInfo);
+  taosHashCleanup(pInfo->pGroupIdTbNameMap);
 
   taosMemoryFreeClear(param);
 }
@@ -3291,6 +3292,11 @@ static SSDataBlock* doStreamFinalIntervalAgg(SOperatorInfo* pOperator) {
     }
     printDataBlock(pBlock, IS_FINAL_OP(pInfo) ? "interval final recv" : "interval semi recv");
 
+    if (pBlock->info.parTbName[0]) {
+      taosHashPut(pInfo->pGroupIdTbNameMap, &pBlock->info.groupId, sizeof(int64_t), &pBlock->info.parTbName,
+                  TSDB_TABLE_NAME_LEN);
+    }
+
     ASSERT(pBlock->info.type != STREAM_INVERT);
     if (pBlock->info.type == STREAM_NORMAL || pBlock->info.type == STREAM_PULL_DATA) {
       pInfo->binfo.pRes->info.type = pBlock->info.type;
@@ -3501,6 +3507,9 @@ SOperatorInfo* createStreamFinalIntervalOperatorInfo(SOperatorInfo* downstream,
   pInfo->delKey.ts = INT64_MAX;
   pInfo->delKey.groupId = 0;
 
+  pInfo->pGroupIdTbNameMap =
+      taosHashInit(1024, taosGetDefaultHashFunction(TSDB_DATA_TYPE_UBIGINT), false, HASH_NO_LOCK);
+
   pOperator->operatorType = pPhyNode->type;
   pOperator->blocking = true;
   pOperator->status = OP_NOT_OPENED;
@@ -5666,6 +5675,12 @@ static SSDataBlock* doStreamIntervalAgg(SOperatorInfo* pOperator) {
     }
     printDataBlock(pBlock, "single interval recv");
 
+    if (pBlock->info.parTbName[0]) {
+      taosHashPut(pInfo->pGroupIdTbNameMap, &pBlock->info.groupId, sizeof(int64_t), &pBlock->info.parTbName,
+                  TSDB_TABLE_NAME_LEN);
+      /*printf("\n\n put tbname %s\n\n", pBlock->info.parTbName);*/
+    }
+
     if (pBlock->info.type == STREAM_DELETE_DATA || pBlock->info.type == STREAM_DELETE_RESULT ||
         pBlock->info.type == STREAM_CLEAR) {
       doDeleteWindows(pOperator, &pInfo->interval, pBlock, pInfo->pDelWins, pUpdatedMap);
@@ -5807,6 +5822,9 @@ SOperatorInfo* createStreamIntervalOperatorInfo(SOperatorInfo* downstream, SPhys
   pInfo->delKey.ts = INT64_MAX;
   pInfo->delKey.groupId = 0;
 
+  pInfo->pGroupIdTbNameMap =
+      taosHashInit(1024, taosGetDefaultHashFunction(TSDB_DATA_TYPE_UBIGINT), false, HASH_NO_LOCK);
+
   pOperator->name = "StreamIntervalOperator";
   pOperator->operatorType = QUERY_NODE_PHYSICAL_PLAN_STREAM_INTERVAL;
   pOperator->blocking = true;