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firebird-qa/tests/functional/tabloid/test_pg_14421.py

62 lines
1.4 KiB
Python

#coding:utf-8
"""
ID: tabloid.pg-14421
TITLE: UPDATE/DETERE RETURNING should issue only one row when applying to table with self-referencing FK
DESCRIPTION:
Original issue:
https://www.postgresql.org/message-id/cakfquwyrb5iyfqs6o9mmtbxp96l40bxpnfgosj8xm88ag%2b5_aa%40mail.gmail.com
FBTEST: functional.tabloid.pg_14421
"""
import pytest
from firebird.qa import *
db = db_factory()
test_script = """
set list on;
recreate table test(
id int primary key,
pid int references test(id) on delete cascade on update cascade
);
insert into test values (1, null);
insert into test values (2, 1);
insert into test values (3, 2);
insert into test values (4, 2);
insert into test values (5, 2);
insert into test values (6, 2);
insert into test values (7, 2);
commit;
delete from test
where id = 2
returning id as old_id
;
rollback;
update test set id=9 where id=2
returning old.id as old_id, new.id as new_id
;
rollback;
"""
act = isql_act('db', test_script)
expected_stdout = """
OLD_ID 2
OLD_ID 2
NEW_ID 9
"""
@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