fix case

tests/system-test/2-query/union.py

@@ -144,9 +144,9 @@ class TDTestCase:
             for join_tb in join_tblist:
                 select_claus_list = self.__query_condition(join_tb)
                 for select_claus in select_claus_list:
-                    group_claus = self.__group_condition(tbname=join_tb, col=select_claus)
+                    group_claus = self.__group_condition( col=select_claus)
                     where_claus = self.__where_condition(query_conditon=select_claus)
-                    having_claus = self.__group_condition(tbname=join_tb, col=select_claus, having=f"{select_claus} is not null")
+                    having_claus = self.__group_condition( col=select_claus, having=f"{select_claus} is not null")
                     sqls.extend(
                         (
                             self.__single_sql(select_claus, join_tb, where_claus, group_claus),
@@ -159,9 +159,9 @@ class TDTestCase:
         for tb in __no_join_tblist:
                 select_claus_list = self.__query_condition(tb)
                 for select_claus in select_claus_list:
-                    group_claus = self.__group_condition(tbname=tb, col=select_claus)
+                    group_claus = self.__group_condition(col=select_claus)
                     where_claus = self.__where_condition(query_conditon=select_claus)
-                    having_claus = self.__group_condition(tbname=tb, col=select_claus, having=f"{select_claus} is not null")
+                    having_claus = self.__group_condition(col=select_claus, having=f"{select_claus} is not null")
                     sqls.extend(
                         (
                             self.__single_sql(select_claus, join_tb, where_claus, group_claus),