diff --git a/source/libs/executor/inc/executorimpl.h b/source/libs/executor/inc/executorimpl.h
index 50c62b9017..c7a6ae5774 100644
--- a/source/libs/executor/inc/executorimpl.h
+++ b/source/libs/executor/inc/executorimpl.h
@@ -340,23 +340,23 @@ typedef struct STableScanInfo {
 } STableScanInfo;
 
 typedef struct STableMergeScanInfo {
-  STableListInfo*        tableListInfo;
-  int32_t                tableStartIndex;
-  int32_t                tableEndIndex;
-  bool                   hasGroupId;
-  uint64_t               groupId;
-  SArray*                dataReaders;  // array of tsdbReaderT*
-  SArray*                queryConds;   // array of queryTableDataCond
-  STsdbReader*           pReader;
-  SReadHandle            readHandle;
-  int32_t                bufPageSize;
-  uint32_t               sortBufSize;  // max buffer size for in-memory sort
-  SArray*                pSortInfo;
-  SSortHandle*           pSortHandle;
-  SSDataBlock*           pSortInputBlock;
-  int64_t                startTs;  // sort start time
-  SArray*                sortSourceParams;
-  SLimitInfo             limitInfo;
+  STableListInfo* tableListInfo;
+  int32_t         tableStartIndex;
+  int32_t         tableEndIndex;
+  bool            hasGroupId;
+  uint64_t        groupId;
+  SArray*         dataReaders;  // array of tsdbReaderT*
+  SReadHandle     readHandle;
+  int32_t         bufPageSize;
+  uint32_t        sortBufSize;  // max buffer size for in-memory sort
+  SArray*         pSortInfo;
+  SSortHandle*    pSortHandle;
+  SSDataBlock*    pSortInputBlock;
+  int64_t         startTs;  // sort start time
+  SArray*         sortSourceParams;
+  SLimitInfo      limitInfo;
+
+
   SFileBlockLoadRecorder readRecorder;
   int64_t                numOfRows;
   SScanInfo              scanInfo;
diff --git a/source/libs/executor/src/scanoperator.c b/source/libs/executor/src/scanoperator.c
index e854d479fc..7795eff410 100644
--- a/source/libs/executor/src/scanoperator.c
+++ b/source/libs/executor/src/scanoperator.c
@@ -4204,114 +4204,6 @@ int32_t createMultipleDataReaders2(SQueryTableDataCond* pQueryCond, SReadHandle*
   return TSDB_CODE_SUCCESS;
 }
 
-static int32_t loadDataBlockFromOneTable2(SOperatorInfo* pOperator, STableMergeScanInfo* pTableScanInfo,
-                                          SSDataBlock* pBlock, uint32_t* status) {
-  SExecTaskInfo*       pTaskInfo = pOperator->pTaskInfo;
-  STableMergeScanInfo* pInfo = pOperator->info;
-
-  uint64_t uid = pBlock->info.uid;
-
-  SFileBlockLoadRecorder* pCost = &pTableScanInfo->readRecorder;
-
-  pCost->totalBlocks += 1;
-  pCost->totalRows += pBlock->info.rows;
-
-  *status = pInfo->dataBlockLoadFlag;
-  if (pTableScanInfo->pFilterNode != NULL ||
-      overlapWithTimeWindow(&pTableScanInfo->interval, &pBlock->info, pTableScanInfo->cond.order)) {
-    (*status) = FUNC_DATA_REQUIRED_DATA_LOAD;
-  }
-
-  SDataBlockInfo* pBlockInfo = &pBlock->info;
-  taosMemoryFreeClear(pBlock->pBlockAgg);
-
-  if (*status == FUNC_DATA_REQUIRED_FILTEROUT) {
-    qDebug("%s data block filter out, brange:%" PRId64 "-%" PRId64 ", rows:%d", GET_TASKID(pTaskInfo),
-           pBlockInfo->window.skey, pBlockInfo->window.ekey, pBlockInfo->rows);
-    pCost->filterOutBlocks += 1;
-    return TSDB_CODE_SUCCESS;
-  } else if (*status == FUNC_DATA_REQUIRED_NOT_LOAD) {
-    qDebug("%s data block skipped, brange:%" PRId64 "-%" PRId64 ", rows:%d", GET_TASKID(pTaskInfo),
-           pBlockInfo->window.skey, pBlockInfo->window.ekey, pBlockInfo->rows);
-    pCost->skipBlocks += 1;
-
-    // clear all data in pBlock that are set when handing the previous block
-    for (int32_t i = 0; i < taosArrayGetSize(pBlock->pDataBlock); ++i) {
-      SColumnInfoData* pcol = taosArrayGet(pBlock->pDataBlock, i);
-      pcol->pData = NULL;
-    }
-
-    return TSDB_CODE_SUCCESS;
-  } else if (*status == FUNC_DATA_REQUIRED_STATIS_LOAD) {
-    pCost->loadBlockStatis += 1;
-
-    bool             allColumnsHaveAgg = true;
-    SColumnDataAgg** pColAgg = NULL;
-    STsdbReader*     reader = pTableScanInfo->pReader;
-    tsdbRetrieveDatablockSMA(reader, &pColAgg, &allColumnsHaveAgg);
-
-    if (allColumnsHaveAgg == true) {
-      int32_t numOfCols = taosArrayGetSize(pBlock->pDataBlock);
-
-      // todo create this buffer during creating operator
-      if (pBlock->pBlockAgg == NULL) {
-        pBlock->pBlockAgg = taosMemoryCalloc(numOfCols, POINTER_BYTES);
-      }
-
-      for (int32_t i = 0; i < numOfCols; ++i) {
-        SColMatchItem* pColMatchInfo = taosArrayGet(pTableScanInfo->matchInfo.pList, i);
-        if (!pColMatchInfo->needOutput) {
-          continue;
-        }
-        pBlock->pBlockAgg[pColMatchInfo->dstSlotId] = pColAgg[i];
-      }
-
-      return TSDB_CODE_SUCCESS;
-    } else {  // failed to load the block sma data, data block statistics does not exist, load data block instead
-      *status = FUNC_DATA_REQUIRED_DATA_LOAD;
-    }
-  }
-
-  ASSERT(*status == FUNC_DATA_REQUIRED_DATA_LOAD);
-
-  pCost->totalCheckedRows += pBlock->info.rows;
-  pCost->loadBlocks += 1;
-
-  STsdbReader* reader = pTableScanInfo->pReader;
-  SArray*      pCols = tsdbRetrieveDataBlock(reader, NULL);
-  if (pCols == NULL) {
-    return terrno;
-  }
-
-  relocateColumnData(pBlock, pTableScanInfo->matchInfo.pList, pCols, true);
-
-  // currently only the tbname pseudo column
-  if (pTableScanInfo->pseudoSup.numOfExprs > 0) {
-    int32_t code = addTagPseudoColumnData(&pTableScanInfo->readHandle, pTableScanInfo->pseudoSup.pExprInfo,
-                                          pTableScanInfo->pseudoSup.numOfExprs, pBlock, GET_TASKID(pTaskInfo));
-    if (code != TSDB_CODE_SUCCESS) {
-      T_LONG_JMP(pTaskInfo->env, code);
-    }
-  }
-
-  if (pTableScanInfo->pFilterNode != NULL) {
-    int64_t st = taosGetTimestampMs();
-    doFilter(pTableScanInfo->pFilterNode, pBlock, &pTableScanInfo->matchInfo, NULL);
-
-    double el = (taosGetTimestampUs() - st) / 1000.0;
-    pTableScanInfo->readRecorder.filterTime += el;
-
-    if (pBlock->info.rows == 0) {
-      pCost->filterOutBlocks += 1;
-      qDebug("%s data block filter out, brange:%" PRId64 "-%" PRId64 ", rows:%d, elapsed time:%.2f ms",
-             GET_TASKID(pTaskInfo), pBlockInfo->window.skey, pBlockInfo->window.ekey, pBlockInfo->rows, el);
-    } else {
-      qDebug("%s data block filter applied, elapsed time:%.2f ms", GET_TASKID(pTaskInfo), el);
-    }
-  }
-  return TSDB_CODE_SUCCESS;
-}
-
 // todo refactor
 static int32_t loadDataBlockFromOneTable(SOperatorInfo* pOperator, STableMergeScanInfo* pTableScanInfo,
                                          int32_t readerIdx, SSDataBlock* pBlock, uint32_t* status) {