diff --git a/source/dnode/vnode/inc/vnode.h b/source/dnode/vnode/inc/vnode.h
index bed6e93e5a..3d4a3e1969 100644
--- a/source/dnode/vnode/inc/vnode.h
+++ b/source/dnode/vnode/inc/vnode.h
@@ -159,7 +159,7 @@ int32_t tsdbReaderOpen(SVnode *pVnode, SQueryTableDataCond *pCond, SArray *pTabl
 void     tsdbReaderClose(STsdbReader *pReader);
 bool     tsdbNextDataBlock(STsdbReader *pReader);
 bool     tsdbTableNextDataBlock(STsdbReader *pReader, int64_t uid);
-void     tsdbRetrieveDataBlockInfo(STsdbReader *pReader, SDataBlockInfo *pDataBlockInfo);
+void     tsdbRetrieveDataBlockInfo(const STsdbReader* pReader, int32_t* rows, uint64_t* uid, STimeWindow* pWindow);
 int32_t  tsdbRetrieveDatablockSMA(STsdbReader *pReader, SColumnDataAgg ***pBlockStatis, bool *allHave);
 SArray  *tsdbRetrieveDataBlock(STsdbReader *pTsdbReadHandle, SArray *pColumnIdList);
 int32_t  tsdbReaderReset(STsdbReader *pReader, SQueryTableDataCond *pCond);
diff --git a/source/dnode/vnode/src/tsdb/tsdbRead.c b/source/dnode/vnode/src/tsdb/tsdbRead.c
index a0fbf545f3..895b7adc5b 100644
--- a/source/dnode/vnode/src/tsdb/tsdbRead.c
+++ b/source/dnode/vnode/src/tsdb/tsdbRead.c
@@ -3787,24 +3787,24 @@ bool tsdbTableNextDataBlock(STsdbReader* pReader, int64_t uid) {
   return true;
 }
 
-static void setBlockInfo(STsdbReader* pReader, SDataBlockInfo* pDataBlockInfo) {
-  ASSERT(pDataBlockInfo != NULL && pReader != NULL);
-  pDataBlockInfo->rows = pReader->pResBlock->info.rows;
-  pDataBlockInfo->uid = pReader->pResBlock->info.uid;
-  pDataBlockInfo->window = pReader->pResBlock->info.window;
+static void setBlockInfo(const STsdbReader* pReader, int32_t* rows, uint64_t* uid, STimeWindow* pWindow) {
+  ASSERT(pReader != NULL);
+  *rows = pReader->pResBlock->info.rows;
+  *uid = pReader->pResBlock->info.uid;
+  *pWindow = pReader->pResBlock->info.window;
 }
 
-void tsdbRetrieveDataBlockInfo(STsdbReader* pReader, SDataBlockInfo* pDataBlockInfo) {
+void tsdbRetrieveDataBlockInfo(const STsdbReader* pReader, int32_t* rows, uint64_t* uid, STimeWindow* pWindow) {
   if (pReader->type == TIMEWINDOW_RANGE_EXTERNAL) {
     if (pReader->step == EXTERNAL_ROWS_MAIN) {
-      setBlockInfo(pReader, pDataBlockInfo);
+      setBlockInfo(pReader, rows, uid, pWindow);
     } else if (pReader->step == EXTERNAL_ROWS_PREV) {
-      setBlockInfo(pReader->innerReader[0], pDataBlockInfo);
+      setBlockInfo(pReader->innerReader[0], rows, uid, pWindow);
     } else {
-      setBlockInfo(pReader->innerReader[1], pDataBlockInfo);
+      setBlockInfo(pReader->innerReader[1], rows, uid, pWindow);
     }
   } else {
-    setBlockInfo(pReader, pDataBlockInfo);
+    setBlockInfo(pReader, rows, uid, pWindow);
   }
 }
 
diff --git a/source/libs/executor/src/scanoperator.c b/source/libs/executor/src/scanoperator.c
index b1adbd14c0..3102e63737 100644
--- a/source/libs/executor/src/scanoperator.c
+++ b/source/libs/executor/src/scanoperator.c
@@ -618,13 +618,14 @@ static SSDataBlock* doTableScanImpl(SOperatorInfo* pOperator) {
 
     blockDataCleanup(pBlock);
 
-    SDataBlockInfo binfo = pBlock->info;
-    tsdbRetrieveDataBlockInfo(pTableScanInfo->dataReader, &binfo);
+    SDataBlockInfo* pBInfo = &pBlock->info;
 
-    binfo.capacity = binfo.rows;
-    blockDataEnsureCapacity(pBlock, binfo.rows);
-    pBlock->info = binfo;
-    ASSERT(binfo.uid != 0);
+    int32_t rows = 0;
+    tsdbRetrieveDataBlockInfo(pTableScanInfo->dataReader, &rows, &pBInfo->uid, &pBInfo->window);
+    blockDataEnsureCapacity(pBlock, rows);
+    pBlock->info.rows = rows;
+
+    ASSERT(pBInfo->uid != 0);
 
     pBlock->info.groupId = getTableGroupId(&pTaskInfo->tableqinfoList, pBlock->info.uid);
 
@@ -1120,20 +1121,19 @@ static SSDataBlock* readPreVersionData(SOperatorInfo* pTableScanOp, uint64_t tbU
 
   bool hasBlock = tsdbNextDataBlock(pReader);
   if (hasBlock) {
-    SDataBlockInfo binfo = {0};
-    tsdbRetrieveDataBlockInfo(pReader, &binfo);
+    SDataBlockInfo* pBInfo = &pBlock->info;
+
+    int32_t rows = 0;
+    tsdbRetrieveDataBlockInfo(pReader, &rows, &pBInfo->uid, &pBInfo->window);
 
     SArray* pCols = tsdbRetrieveDataBlock(pReader, NULL);
-    blockDataEnsureCapacity(pBlock, binfo.rows);
-
-    pBlock->info.window = binfo.window;
-    pBlock->info.uid = binfo.uid;
-    pBlock->info.rows = binfo.rows;
+    blockDataEnsureCapacity(pBlock, pBInfo->rows);
+    pBInfo->rows = rows;
 
     relocateColumnData(pBlock, pTableScanInfo->matchInfo.pList, pCols, true);
     doSetTagColumnData(pTableScanInfo, pBlock, pTaskInfo);
 
-    pBlock->info.groupId = getTableGroupId(&pTaskInfo->tableqinfoList, binfo.uid);
+    pBlock->info.groupId = getTableGroupId(&pTaskInfo->tableqinfoList, pBInfo->uid);
   }
 
   tsdbReaderClose(pReader);
@@ -2121,7 +2121,9 @@ static SSDataBlock* doRawScan(SOperatorInfo* pOperator) {
         longjmp(pTaskInfo->env, TSDB_CODE_TSC_QUERY_CANCELLED);
       }
 
-      tsdbRetrieveDataBlockInfo(pInfo->dataReader, &pBlock->info);
+      int32_t rows = 0;
+      tsdbRetrieveDataBlockInfo(pInfo->dataReader, &rows, &pBlock->info.uid, &pBlock->info.window);
+      pBlock->info.rows = rows;
 
       SArray* pCols = tsdbRetrieveDataBlock(pInfo->dataReader, NULL);
       pBlock->pDataBlock = pCols;
@@ -4561,14 +4563,11 @@ static SSDataBlock* getTableDataBlockTemp(void* param) {
     }
 
     blockDataCleanup(pBlock);
-    SDataBlockInfo binfo = pBlock->info;
-    tsdbRetrieveDataBlockInfo(reader, &binfo);
 
-    blockDataEnsureCapacity(pBlock, binfo.rows);
-    pBlock->info.type = binfo.type;
-    pBlock->info.uid = binfo.uid;
-    pBlock->info.window = binfo.window;
-    pBlock->info.rows = binfo.rows;
+    int32_t rows = 0;
+    tsdbRetrieveDataBlockInfo(reader, &rows, &pBlock->info.uid, &pBlock->info.window);
+    blockDataEnsureCapacity(pBlock, rows);
+    pBlock->info.rows = rows;
 
     if (tsdbIsAscendingOrder(pInfo->pReader)) {
       pQueryCond->twindows.skey = pBlock->info.window.ekey + 1;
@@ -4627,14 +4626,11 @@ static SSDataBlock* getTableDataBlock2(void* param) {
     }
 
     blockDataCleanup(pBlock);
-    SDataBlockInfo binfo = pBlock->info;
-    tsdbRetrieveDataBlockInfo(reader, &binfo);
 
-    blockDataEnsureCapacity(pBlock, binfo.rows);
-    pBlock->info.type = binfo.type;
-    pBlock->info.uid = binfo.uid;
-    pBlock->info.window = binfo.window;
-    pBlock->info.rows = binfo.rows;
+    int32_t rows = 0;
+    tsdbRetrieveDataBlockInfo(reader, &rows, &pBlock->info.uid, &pBlock->info.window);
+    blockDataEnsureCapacity(pBlock, rows);
+    pBlock->info.rows = rows;
 
     uint32_t status = 0;
     int32_t  code = loadDataBlockFromOneTable2(pOperator, pTableScanInfo, pBlock, &status);
@@ -4684,14 +4680,11 @@ static SSDataBlock* getTableDataBlock(void* param) {
     }
 
     blockDataCleanup(pBlock);
-    SDataBlockInfo binfo = pBlock->info;
-    tsdbRetrieveDataBlockInfo(reader, &binfo);
 
-    blockDataEnsureCapacity(pBlock, binfo.rows);
-    pBlock->info.type = binfo.type;
-    pBlock->info.uid = binfo.uid;
-    pBlock->info.window = binfo.window;
-    pBlock->info.rows = binfo.rows;
+    int32_t rows = 0;
+    tsdbRetrieveDataBlockInfo(reader, &rows, &pBlock->info.uid, &pBlock->info.window);
+    blockDataEnsureCapacity(pBlock, rows);
+    pBlock->info.rows = rows;
 
     uint32_t status = 0;
     int32_t  code = loadDataBlockFromOneTable(pOperator, pTableScanInfo, readerIdx, pBlock, &status);