From 23313ecf677314f3d9fd373bd5808e6d32fc0c25 Mon Sep 17 00:00:00 2001
From: dapan1121 <89396746@qq.com>
Date: Fri, 21 May 2021 15:14:36 +0800
Subject: [PATCH] fix bug

---
 src/tsdb/src/tsdbRead.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/tsdb/src/tsdbRead.c b/src/tsdb/src/tsdbRead.c
index c78739d7ce..f40c496bf4 100644
--- a/src/tsdb/src/tsdbRead.c
+++ b/src/tsdb/src/tsdbRead.c
@@ -2571,7 +2571,7 @@ static bool loadCachedLast(STsdbQueryHandle* pQueryHandle) {
             continue;
           }
 
-          SColumnInfoData* pColInfo = taosArrayGet(pQueryHandle->pColumns, n);
+          pColInfo = taosArrayGet(pQueryHandle->pColumns, n);
           pData = (char*)pColInfo->pData + numOfRows * pColInfo->info.bytes;;
 
           if (pColInfo->info.colId == PRIMARYKEY_TIMESTAMP_COL_INDEX) {
@@ -2596,7 +2596,7 @@ static bool loadCachedLast(STsdbQueryHandle* pQueryHandle) {
 
     // leave the real ts column as the last row, because last function only (not stable) use the last row as res
     if (priKey != TSKEY_INITIAL_VAL) {
-      SColumnInfoData* pColInfo = taosArrayGet(pQueryHandle->pColumns, priIdx);
+      pColInfo = taosArrayGet(pQueryHandle->pColumns, priIdx);
       pData = (char*)pColInfo->pData + numOfRows * pColInfo->info.bytes;
     
       *(TSKEY *)pData = priKey;
-- 
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