From ef054d9ddc0e1b45a0d7adea88eabe8ec95725c3 Mon Sep 17 00:00:00 2001
From: Ganlin Zhao <ganlinzhao@hotmail.com>
Date: Wed, 30 Nov 2022 18:01:20 +0800
Subject: [PATCH] fix(query): fix interp with fill(prev) error

---
 source/libs/executor/src/timesliceoperator.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/source/libs/executor/src/timesliceoperator.c b/source/libs/executor/src/timesliceoperator.c
index d8cef86971..90f5dde7c3 100644
--- a/source/libs/executor/src/timesliceoperator.c
+++ b/source/libs/executor/src/timesliceoperator.c
@@ -467,11 +467,11 @@ static SSDataBlock* doTimeslice(SOperatorInfo* pOperator) {
         // add current row if timestamp match
         if (ts == pSliceInfo->current && pSliceInfo->current <= pSliceInfo->win.ekey) {
           addCurrentRowToResult(pSliceInfo, &pOperator->exprSupp, pResBlock, pBlock, i);
-          doKeepPrevRows(pSliceInfo, pBlock, i);
 
           pSliceInfo->current =
               taosTimeAdd(pSliceInfo->current, pInterval->interval, pInterval->intervalUnit, pInterval->precision);
         }
+        doKeepPrevRows(pSliceInfo, pBlock, i);
 
         if (pSliceInfo->current > pSliceInfo->win.ekey) {
           setOperatorCompleted(pOperator);
-- 
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