diff --git a/src/tsdb/src/tsdbRead.c b/src/tsdb/src/tsdbRead.c
index 7bd0639578004135547d54f93ac35421ffec78e5..9ca78533ba1650483f65d891f7b00178e62621f5 100644
--- a/src/tsdb/src/tsdbRead.c
+++ b/src/tsdb/src/tsdbRead.c
@@ -592,7 +592,10 @@ static bool doLoadFileDataBlock(STsdbQueryHandle* pQueryHandle, SCompBlock* pBlo
     pCheckInfo->pDataCols = tdNewDataCols(pMeta->maxRowBytes, pMeta->maxCols, pRepo->config.maxRowsPerFileBlock);
   }
 
-  tdInitDataCols(pCheckInfo->pDataCols, tsdbGetTableSchema(pCheckInfo->pTableObj));
+  STSchema* pSchema = tsdbGetTableSchema(pCheckInfo->pTableObj);
+  tdInitDataCols(pCheckInfo->pDataCols, pSchema);
+  tdInitDataCols(pQueryHandle->rhelper.pDataCols[0], pSchema);
+  tdInitDataCols(pQueryHandle->rhelper.pDataCols[1], pSchema);
 
   if (tsdbLoadBlockData(&(pQueryHandle->rhelper), pBlock, pCheckInfo->pCompInfo) == 0) {
     SDataBlockLoadInfo* pBlockLoadInfo = &pQueryHandle->dataBlockLoadInfo;