mirror of
https://github.com/FirebirdSQL/firebird-qa.git
synced 2025-01-22 21:43:06 +01:00
44 lines
847 B
Python
44 lines
847 B
Python
#coding:utf-8
|
|
|
|
"""
|
|
ID: issue-1967
|
|
ISSUE: 1967
|
|
TITLE: Unnecessary index scan happens when the same index is mapped to both WHERE and ORDER BY clauses
|
|
DESCRIPTION:
|
|
JIRA: CORE-1550
|
|
FBTEST: bugs.core_1550
|
|
"""
|
|
|
|
import pytest
|
|
from firebird.qa import *
|
|
|
|
db = db_factory()
|
|
|
|
test_script = """
|
|
recreate table test(id int);
|
|
commit;
|
|
insert into test(id) select r.rdb$relation_id from rdb$relations r;
|
|
commit;
|
|
create index test_id on test(id);
|
|
commit;
|
|
|
|
set planonly;
|
|
select *
|
|
from test
|
|
where id < 10
|
|
order by id;
|
|
"""
|
|
|
|
act = isql_act('db', test_script)
|
|
|
|
expected_stdout = """
|
|
PLAN (TEST ORDER TEST_ID)
|
|
"""
|
|
|
|
@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
|
|
|