From 86032d83e575323b720b161fce3d4f13afc5b24d Mon Sep 17 00:00:00 2001
From: Haojun Liao <hjliao@taosdata.com>
Date: Thu, 13 Aug 2020 00:35:10 +0800
Subject: [PATCH] [td-225] restrict the number of tags assignment.

---
 src/query/src/qFill.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/query/src/qFill.c b/src/query/src/qFill.c
index ac44feb576..d28d99ceb8 100644
--- a/src/query/src/qFill.c
+++ b/src/query/src/qFill.c
@@ -131,7 +131,7 @@ void taosFillCopyInputDataFromOneFilePage(SFillInfo* pFillInfo, tFilePage* pInpu
   assert(pFillInfo->numOfRows == pInput->num);
   int32_t t = 0;
   
-  for(int32_t i = 0; i < pFillInfo->numOfCols; ++i) {
+  for(int32_t i = 0; i < pFillInfo->numOfCols && t < pFillInfo->numOfTags; ++i) {
     SFillColInfo* pCol = &pFillInfo->pFillCol[i];
     
     char* s = pInput->data + pCol->col.offset * pInput->num;
-- 
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