mirror of
https://github.com/FirebirdSQL/firebird-qa.git
synced 2025-01-22 13:33:07 +01:00
43 lines
1.1 KiB
Python
43 lines
1.1 KiB
Python
#coding:utf-8
|
|
|
|
"""
|
|
ID: issue-3679
|
|
ISSUE: 3679
|
|
TITLE: Sub-optimal join plan when the slave table depends on the master one via the OR predicate
|
|
DESCRIPTION:
|
|
JIRA: CORE-3312
|
|
FBTEST: bugs.core_3312
|
|
"""
|
|
|
|
import pytest
|
|
from firebird.qa import *
|
|
|
|
db = db_factory()
|
|
|
|
test_script = """SET PLANONLY ON;
|
|
select *
|
|
from rdb$relations r
|
|
join rdb$security_classes sc
|
|
on (r.rdb$security_class = sc.rdb$security_class
|
|
or r.rdb$default_class = sc.rdb$security_class);
|
|
select *
|
|
from rdb$relations r
|
|
join rdb$security_classes sc
|
|
on (r.rdb$security_class = sc.rdb$security_class and r.rdb$relation_id = 0)
|
|
or (r.rdb$default_class = sc.rdb$security_class and r.rdb$relation_id = 1);
|
|
"""
|
|
|
|
act = isql_act('db', test_script)
|
|
|
|
expected_stdout = """
|
|
PLAN JOIN (R NATURAL, SC INDEX (RDB$INDEX_7, RDB$INDEX_7))
|
|
PLAN JOIN (R INDEX (RDB$INDEX_1, RDB$INDEX_1), SC INDEX (RDB$INDEX_7, RDB$INDEX_7))
|
|
"""
|
|
|
|
@pytest.mark.version('>=3')
|
|
def test_1(act: Action):
|
|
act.expected_stdout = expected_stdout
|
|
act.execute()
|
|
assert act.clean_stdout == act.clean_expected_stdout
|
|
|