diff --git a/source/libs/executor/inc/executorimpl.h b/source/libs/executor/inc/executorimpl.h
index b4e786746b0b44918b02418f30d39cd1aa208827..c330ee05963f4a21862b6a5f4c2011bf83a3736e 100644
--- a/source/libs/executor/inc/executorimpl.h
+++ b/source/libs/executor/inc/executorimpl.h
@@ -334,7 +334,6 @@ typedef struct STableScanInfo {
   SScanInfo              scanInfo;
   int32_t                scanTimes;
   SSDataBlock*           pResBlock;
-  int32_t                scanFlag;  // table scan flag to denote if it is a repeat/reverse/main scan
   SSampleExecInfo        sample;  // sample execution info
   int32_t                currentGroupId;
   int32_t                currentTable;
diff --git a/source/libs/executor/src/scanoperator.c b/source/libs/executor/src/scanoperator.c
index a110b73763d234248478d1344fb55b4dbb135b28..8e86cae4bd9587364112a036949791056f4429c7 100644
--- a/source/libs/executor/src/scanoperator.c
+++ b/source/libs/executor/src/scanoperator.c
@@ -767,7 +767,7 @@ static SSDataBlock* doGroupedTableScan(SOperatorInfo* pOperator) {
 
     if (pTableScanInfo->scanTimes < pTableScanInfo->scanInfo.numOfAsc) {
       setTaskStatus(pTaskInfo, TASK_NOT_COMPLETED);
-      pTableScanInfo->scanFlag = REPEAT_SCAN;
+      pTableScanInfo->base.scanFlag = REPEAT_SCAN;
       qDebug("start to repeat ascending order scan data blocks due to query func required, %s", GET_TASKID(pTaskInfo));
 
       // do prepare for the next round table scan operation
@@ -793,7 +793,7 @@ static SSDataBlock* doGroupedTableScan(SOperatorInfo* pOperator) {
 
       if (pTableScanInfo->scanTimes < total) {
         setTaskStatus(pTaskInfo, TASK_NOT_COMPLETED);
-        pTableScanInfo->scanFlag = REPEAT_SCAN;
+        pTableScanInfo->base.scanFlag = REPEAT_SCAN;
 
         qDebug("%s start to repeat descending order scan data blocks", GET_TASKID(pTaskInfo));
         tsdbReaderReset(pTableScanInfo->base.dataReader, &pTableScanInfo->base.cond);
@@ -942,6 +942,8 @@ SOperatorInfo* createTableScanOperatorInfo(STableScanPhysiNode* pTableScanNode,
   }
 
   pInfo->scanInfo = (SScanInfo){.numOfAsc = pTableScanNode->scanSeq[0], .numOfDesc = pTableScanNode->scanSeq[1]};
+
+  pInfo->base.scanFlag = MAIN_SCAN;
   pInfo->base.pdInfo.interval = extractIntervalInfo(pTableScanNode);
   pInfo->base.readHandle = *readHandle;
   pInfo->sample.sampleRatio = pTableScanNode->ratio;
@@ -958,7 +960,6 @@ SOperatorInfo* createTableScanOperatorInfo(STableScanPhysiNode* pTableScanNode,
     goto _error;
   }
 
-  pInfo->scanFlag = MAIN_SCAN;
   pInfo->currentGroupId = -1;
   pInfo->assignBlockUid = pTableScanNode->assignBlockUid;