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firebird-qa/tests/functional/tabloid/test_eqc_141347.py

64 lines
1.5 KiB
Python

#coding:utf-8
"""
ID: tabloid.eqc-141347
TITLE: Check correctness of LEFT JOIN result when right source has two FK and one of
fields from FK present both in ON and WHERE clauses.
DESCRIPTION:
FBTEST: functional.tabloid.eqc_141347
"""
import pytest
from firebird.qa import *
db = db_factory()
test_script = """
set list on;
recreate table t2 (
id int primary key,
pid0 int,
pid1 int
);
recreate table t1 (id int primary key);
recreate table t0 (id int primary key);
alter table t2
add constraint fk_t0 foreign key (pid0) references t0
,add constraint fk_t1 foreign key (pid1) references t1
;
commit;
insert into t0 (id) values (1);
insert into t1 (id) values (1);
insert into t1 (id) values (2);
insert into t1 (id) values (3);
insert into t1 (id) values (4);
insert into t2 (id, pid1, pid0) values (1, 1, 1);
insert into t2 (id, pid1, pid0) values (2, 4, 1);
commit;
select a.id, b.pid1
from t1 a
left join t2 b on ( a.id = b.pid1 ) and ( b.pid0 = 1 )
where (b.pid1 is null);
"""
act = isql_act('db', test_script)
expected_stdout = """
ID 2
PID1 <null>
ID 3
PID1 <null>
"""
@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