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firebird-qa/tests/bugs/core_3553_test.py

46 lines
1.0 KiB
Python

#coding:utf-8
#
# id: bugs.core_3553
# title: Nested loop plan is chosen instead of the sort merge for joining independent streams using keys of different types
# decription:
# tracker_id: CORE-3553
# min_versions: ['2.1.5']
# versions: 3.0
# qmid: None
import pytest
from firebird.qa import db_factory, isql_act, Action
# version: 3.0
# resources: None
substitutions_1 = []
init_script_1 = """"""
db_1 = db_factory(page_size=4096, sql_dialect=3, init=init_script_1)
test_script_1 = """SET PLAN ON;
select count(*)
from rdb$database d1 join rdb$database d2
on cast(d1.rdb$relation_id as char(10)) = cast(d2.rdb$relation_id as char(20));
"""
act_1 = isql_act('db_1', test_script_1, substitutions=substitutions_1)
expected_stdout_1 = """
PLAN HASH (D2 NATURAL, D1 NATURAL)
COUNT
=====================
1
"""
@pytest.mark.version('>=3.0')
def test_1(act_1: Action):
act_1.expected_stdout = expected_stdout_1
act_1.execute()
assert act_1.clean_expected_stdout == act_1.clean_stdout