From 51a24022aaab7ab1d186b3f74d4dbe66b9e73f0f Mon Sep 17 00:00:00 2001
From: shenglian zhou <shenglian_zhou@163.com>
Date: Sat, 18 Feb 2023 22:12:05 +0800
Subject: [PATCH] fix: reset prevValues of SFillInfo so that new group can use
 it as prev values

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

diff --git a/src/query/src/qFill.c b/src/query/src/qFill.c
index 021a0a8e51..755b59ef7d 100644
--- a/src/query/src/qFill.c
+++ b/src/query/src/qFill.c
@@ -399,6 +399,8 @@ void taosResetFillInfo(SFillInfo* pFillInfo, TSKEY startTimestamp) {
   pFillInfo->numOfRows    = 0;
   pFillInfo->numOfCurrent = 0;
   pFillInfo->numOfTotal   = 0;
+  //free prevValues so that the new group has no prevValues then fill(linear) of new group won't use old group values.
+  tfree(pFillInfo->prevValues);
 }
 
 void* taosDestroyFillInfo(SFillInfo* pFillInfo) {
-- 
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