mirror of
https://github.com/FirebirdSQL/firebird-qa.git
synced 2025-01-22 13:33:07 +01:00
59 lines
1.4 KiB
Python
59 lines
1.4 KiB
Python
#coding:utf-8
|
|
|
|
"""
|
|
ID: issue.full-join-push-where-predicate
|
|
TITLE: WHERE-filter must be applied after FULL JOIN result
|
|
DESCRIPTION:
|
|
See (rus): https://www.sql.ru/forum/1326682/dva-cte-ih-full-join-i-uslovie-daut-nekorrektnyy-rezultat
|
|
Confirmed bug on 2.5.9.27151.
|
|
Checked on 3.0.6.33322, 4.0.0.2073 -- all fine.
|
|
FBTEST: full_join_push_where_predicate
|
|
"""
|
|
|
|
import pytest
|
|
from firebird.qa import *
|
|
|
|
db = db_factory()
|
|
|
|
test_script = """
|
|
set list on;
|
|
|
|
recreate table t (
|
|
f1 varchar(10),
|
|
f2 integer
|
|
);
|
|
|
|
insert into t (f1, f2) values ('a', 1);
|
|
insert into t (f1, f2) values ('b', 1);
|
|
insert into t (f1, f2) values ('c', 1);
|
|
insert into t (f1, f2) values ('b', 2);
|
|
insert into t (f1, f2) values ('c', 2);
|
|
insert into t (f1, f2) values ('d', 2);
|
|
commit;
|
|
|
|
with
|
|
t1 as (select f1 from t where f2 = 1)
|
|
,t2 as (select f1 from t where f2 = 2)
|
|
select
|
|
t1.f1 t1_f1,
|
|
t2.f1 t2_f1
|
|
from
|
|
t1 full join t2 on t1.f1 = t2.f1
|
|
where t1.f1 is null
|
|
order by 1,2
|
|
;
|
|
"""
|
|
|
|
act = isql_act('db', test_script, substitutions=[('[ \t]+', ' ')])
|
|
|
|
expected_stdout = """
|
|
T1_F1 <null>
|
|
T2_F1 d
|
|
"""
|
|
|
|
@pytest.mark.version('>=3.0')
|
|
def test_1(act: Action):
|
|
act.expected_stdout = expected_stdout
|
|
act.execute()
|
|
assert act.clean_stdout == act.clean_expected_stdout
|