From 7763a2e6a37213799b72de28ef51271ef98b92d0 Mon Sep 17 00:00:00 2001
From: dapan1121 <89396746@qq.com>
Date: Thu, 25 Feb 2021 16:36:46 +0800
Subject: [PATCH] fix bug

---
 src/query/src/qExecutor.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/query/src/qExecutor.c b/src/query/src/qExecutor.c
index 3d3e7295b9..f8119b0d4a 100644
--- a/src/query/src/qExecutor.c
+++ b/src/query/src/qExecutor.c
@@ -4743,7 +4743,11 @@ static FORCE_INLINE void setEnvForEachBlock(SQInfo* pQInfo, STableQueryInfo* pTa
   }
 
   if (QUERY_IS_INTERVAL_QUERY(pQuery)) {
-    setIntervalQueryRange(pQInfo, pBlockInfo->window.skey);
+    if (!QUERY_IS_ASC_QUERY(pRuntimeEnv->pQuery)) {
+      setIntervalQueryRange(pQInfo, pBlockInfo->window.ekey);
+    } else {
+      setIntervalQueryRange(pQInfo, pBlockInfo->window.skey);
+    }
   } else {  // non-interval query
     setExecutionContext(pQInfo, pTableQueryInfo->groupIndex, pBlockInfo->window.ekey + step);
   }