mirror of
https://github.com/FirebirdSQL/firebird-qa.git
synced 2025-01-22 21:43:06 +01:00
45 lines
874 B
Python
45 lines
874 B
Python
#coding:utf-8
|
|
|
|
"""
|
|
ID: issue-820
|
|
ISSUE: 820
|
|
TITLE: Redundant evaluations in COALESCE
|
|
DESCRIPTION:
|
|
JIRA: CORE-474
|
|
FBTEST: bugs.core_0474
|
|
"""
|
|
|
|
import pytest
|
|
from firebird.qa import *
|
|
|
|
db = db_factory()
|
|
|
|
test_script = """
|
|
create generator g1;
|
|
commit;
|
|
set list on;
|
|
select
|
|
coalesce(
|
|
nullif(gen_id(g1,1),1),
|
|
nullif(gen_id(g1,1),2),
|
|
gen_id(g1,1),
|
|
nullif(gen_id(g1,1),4),
|
|
gen_id(g1,1)
|
|
)
|
|
as curr_gen
|
|
from rdb$database;
|
|
"""
|
|
|
|
act = isql_act('db', test_script)
|
|
|
|
expected_stdout = """
|
|
CURR_GEN 3
|
|
"""
|
|
|
|
@pytest.mark.version('>=3')
|
|
def test_1(act: Action):
|
|
act.expected_stdout = expected_stdout
|
|
act.execute()
|
|
assert act.clean_stdout == act.clean_expected_stdout
|
|
|