From 61baff01c9e830ea58c1bf9dda0ca0ee2b823fcb Mon Sep 17 00:00:00 2001
From: Leo Xu <381899826@qq.com>
Date: Fri, 23 Aug 2024 09:52:07 +0800
Subject: [PATCH] change assert to checkdata

---
 tests/system-test/2-query/concat.py    | 2 +-
 tests/system-test/2-query/concat_ws.py | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/tests/system-test/2-query/concat.py b/tests/system-test/2-query/concat.py
index 2c3667959e..b43d4fafa8 100644
--- a/tests/system-test/2-query/concat.py
+++ b/tests/system-test/2-query/concat.py
@@ -146,7 +146,7 @@ class TDTestCase:
         ]
         tdSql.query("select concat(null,null)")  # TD-31571
         tdSql.checkRows(1)
-        assert tdSql.getData(0, 0) == None
+        tdSql.checkData(0, 0, None)
         for tb in tbname:
             for i in range(2,8):
                 self.__concat_check(tb,i)
diff --git a/tests/system-test/2-query/concat_ws.py b/tests/system-test/2-query/concat_ws.py
index 29df526ff8..338166c61e 100644
--- a/tests/system-test/2-query/concat_ws.py
+++ b/tests/system-test/2-query/concat_ws.py
@@ -158,7 +158,7 @@ class TDTestCase:
         ]
         tdSql.query("select concat_ws(null,null,null);")  # TD-31572
         tdSql.checkRows(1)
-        assert tdSql.getData(0, 0) == None
+        tdSql.checkData(0, 0, None)
         for tb in tbname:
             for errsql in self.__concat_ws_err_check(tb):
                 tdSql.error(sql=errsql)