From 3fda7a864733a91538bb667882eaebf6f4323a2e Mon Sep 17 00:00:00 2001
From: Haojun Liao <hjliao@taosdata.com>
Date: Sun, 4 Apr 2021 11:16:15 +0800
Subject: [PATCH] [td-3662]fix bug found by regression test.

---
 src/client/src/tscLocalMerge.c                   | 3 +++
 tests/script/general/parser/select_with_tags.sim | 3 +++
 2 files changed, 6 insertions(+)

diff --git a/src/client/src/tscLocalMerge.c b/src/client/src/tscLocalMerge.c
index a5b2f46eed..704254b0cb 100644
--- a/src/client/src/tscLocalMerge.c
+++ b/src/client/src/tscLocalMerge.c
@@ -351,6 +351,8 @@ void tscCreateLocalMerger(tExtMemBuffer **pMemBuffer, int32_t numOfBuffer, tOrde
   }
 
   assert(finalmodel->rowSize > 0 && finalmodel->rowSize <= pReducer->rowSize);
+  printf("------xxxx:%d\n", pReducer->rowSize * pReducer->resColModel->capacity);
+
   pReducer->pFinalRes = calloc(1, pReducer->rowSize * pReducer->resColModel->capacity);
 
   if (pReducer->pTempBuffer == NULL || pReducer->discardData == NULL || pReducer->pResultBuf == NULL ||
@@ -942,6 +944,7 @@ static void genFinalResWithoutFill(SSqlRes* pRes, SLocalMerger *pLocalMerge, SQu
     savePrevRecordAndSetupFillInfo(pLocalMerge, pQueryInfo, pLocalMerge->pFillInfo);
   }
 
+  printf("size: %d\n", pRes->numOfRows * pLocalMerge->finalModel->rowSize);
   memcpy(pRes->data, pBeforeFillData->data, (size_t)(pRes->numOfRows * pLocalMerge->finalModel->rowSize));
 
   pRes->numOfClauseTotal += pRes->numOfRows;
diff --git a/tests/script/general/parser/select_with_tags.sim b/tests/script/general/parser/select_with_tags.sim
index 38a514a51b..286949421e 100644
--- a/tests/script/general/parser/select_with_tags.sim
+++ b/tests/script/general/parser/select_with_tags.sim
@@ -159,6 +159,9 @@ if $data03 != @abc15@ then
    return -1
 endi
 
+sql select top(c6, 3) from select_tags_mt0 interval(10a)
+
+
 sql select top(c1, 100), tbname, t1, t2 from select_tags_mt0;
 if $rows != 100 then
    return -1