diff --git a/include/common/tcommon.h b/include/common/tcommon.h
index 81e3af88a5..24e5d186b9 100644
--- a/include/common/tcommon.h
+++ b/include/common/tcommon.h
@@ -253,7 +253,7 @@ typedef struct SQueryTableDataCond {
   STimeWindow  twindows;
   int64_t      startVersion;
   int64_t      endVersion;
-  bool         trimData;    // response the actual data, not only the rows in the attribute of info.row of ssdatablock
+  bool         notLoadData;    // response the actual data, not only the rows in the attribute of info.row of ssdatablock
 } SQueryTableDataCond;
 
 int32_t tEncodeDataBlock(void** buf, const SSDataBlock* pBlock);
diff --git a/source/dnode/vnode/src/tsdb/tsdbRead2.c b/source/dnode/vnode/src/tsdb/tsdbRead2.c
index e09ac504d0..bb0efd858b 100644
--- a/source/dnode/vnode/src/tsdb/tsdbRead2.c
+++ b/source/dnode/vnode/src/tsdb/tsdbRead2.c
@@ -3945,8 +3945,7 @@ int32_t tsdbReaderOpen2(void* pVnode, SQueryTableDataCond* pCond, void* pTableLi
   }
 
   pReader->flag = READER_STATUS_SUSPEND;
-//  pReader->info.execMode = pCond->trimData ? READER_EXEC_ROWS : READER_EXEC_DATA;
-  pReader->info.execMode = READER_EXEC_ROWS;
+  pReader->info.execMode = pCond->notLoadData ? READER_EXEC_ROWS : READER_EXEC_DATA;
 
   pReader->pIgnoreTables = pIgnoreTables;
   tsdbDebug("%p total numOfTable:%d, window:%" PRId64 " - %" PRId64 ", verRange:%" PRId64 " - %" PRId64
diff --git a/source/libs/executor/src/executil.c b/source/libs/executor/src/executil.c
index 39b47504c6..b0c0799351 100644
--- a/source/libs/executor/src/executil.c
+++ b/source/libs/executor/src/executil.c
@@ -1734,6 +1734,9 @@ int32_t initQueryTableDataCond(SQueryTableDataCond* pCond, const STableScanPhysi
   pCond->endVersion = -1;
   pCond->skipRollup = readHandle->skipRollup;
 
+  // allowed read stt file optimization mode
+  pCond->notLoadData = (pTableScanNode->dataRequired == FUNC_DATA_REQUIRED_NOT_LOAD);
+
   int32_t j = 0;
   for (int32_t i = 0; i < pCond->numOfCols; ++i) {
     STargetNode* pNode = (STargetNode*)nodesListGetNode(pTableScanNode->scan.pScanCols, i);
diff --git a/source/libs/executor/src/scanoperator.c b/source/libs/executor/src/scanoperator.c
index 813e086c55..7885f3bee1 100644
--- a/source/libs/executor/src/scanoperator.c
+++ b/source/libs/executor/src/scanoperator.c
@@ -1059,7 +1059,6 @@ SOperatorInfo* createTableScanOperatorInfo(STableScanPhysiNode* pTableScanNode,
   pInfo->base.readerAPI = pTaskInfo->storageAPI.tsdReader;
   initResultSizeInfo(&pOperator->resultInfo, 4096);
   pInfo->pResBlock = createDataBlockFromDescNode(pDescNode);
-  //  blockDataEnsureCapacity(pInfo->pResBlock, pOperator->resultInfo.capacity);
 
   code = filterInitFromNode((SNode*)pTableScanNode->scan.node.pConditions, &pOperator->exprSupp.pFilterInfo, 0);
   if (code != TSDB_CODE_SUCCESS) {