From 4b9190ab38c93122fdebdc7083c9c00f848c5c43 Mon Sep 17 00:00:00 2001
From: wpan <wpan@taosdata.com>
Date: Fri, 9 Jul 2021 14:06:49 +0800
Subject: [PATCH] fix interval issue

---
 src/query/src/qExecutor.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/query/src/qExecutor.c b/src/query/src/qExecutor.c
index 557d38d7f1..b04db7ca1d 100644
--- a/src/query/src/qExecutor.c
+++ b/src/query/src/qExecutor.c
@@ -1304,7 +1304,8 @@ static void hashIntervalAgg(SOperatorInfo* pOperatorInfo, SResultRowInfo* pResul
         j++;
       }
 
-      for(; pResultRowInfo->pResult[j] != pResultRowInfo->current; ++j) {
+      SResultRow* current = pResultRowInfo->current;
+      for(; pResultRowInfo->pResult[j] != current && j < pResultRowInfo->size; ++j) {
       SResultRow* pRes = pResultRowInfo->pResult[j];
       if (pRes->closed) {
         assert(resultRowInterpolated(pRes, RESULT_ROW_START_INTERP) && resultRowInterpolated(pRes, RESULT_ROW_END_INTERP));