From 51dc9fa425b19584c8724837879111624387fb6e Mon Sep 17 00:00:00 2001
From: Haojun Liao <hjliao@taosdata.com>
Date: Wed, 30 Jun 2021 19:34:48 +0800
Subject: [PATCH] [td-225]fix bug by regression test.

---
 src/tsdb/src/tsdbRead.c | 6 +-----
 1 file changed, 1 insertion(+), 5 deletions(-)

diff --git a/src/tsdb/src/tsdbRead.c b/src/tsdb/src/tsdbRead.c
index cb50eaf896..7d366ec814 100644
--- a/src/tsdb/src/tsdbRead.c
+++ b/src/tsdb/src/tsdbRead.c
@@ -280,16 +280,12 @@ static SArray* createCheckInfoFromTableGroup(STsdbQueryHandle* pQueryHandle, STa
       info.tableId.uid = info.pTableObj->tableId.uid;
 
       if (ASCENDING_TRAVERSE(pQueryHandle->order)) {
-        if (info.lastKey == INT64_MIN) {
+        if (info.lastKey == INT64_MIN || info.lastKey < pQueryHandle->window.skey) {
           info.lastKey = pQueryHandle->window.skey;
         }
 
         assert(info.lastKey >= pQueryHandle->window.skey && info.lastKey <= pQueryHandle->window.ekey);
       } else {
-        if (info.lastKey == INT64_MIN) {
-          info.lastKey = pQueryHandle->window.ekey;
-        }
-
         assert(info.lastKey >= pQueryHandle->window.ekey && info.lastKey <= pQueryHandle->window.skey);
       }
 
-- 
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