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firebird-qa/tests/bugs/core_3874_test.py

42 lines
774 B
Python

#coding:utf-8
"""
ID: issue-4211
ISSUE: 4211
TITLE: Computed column appears in non-existant rows of left join
DESCRIPTION:
JIRA: CORE-3874
FBTEST: bugs.core_3874
"""
import pytest
from firebird.qa import *
init_script = """CREATE TABLE TEST_TABLE (
ID INTEGER,
COMPUTED_COL VARCHAR(6) COMPUTED BY ('FAILED')
);
"""
db = db_factory(init=init_script)
test_script = """SELECT t.COMPUTED_COL
FROM RDB$DATABASE r
LEFT JOIN TEST_TABLE t
ON r.RDB$RELATION_ID = t.ID;
"""
act = isql_act('db', test_script)
expected_stdout = """COMPUTED_COL
============
<null>
"""
@pytest.mark.version('>=3')
def test_1(act: Action):
act.expected_stdout = expected_stdout
act.execute()
assert act.clean_stdout == act.clean_expected_stdout