2021-04-26 20:07:00 +02:00
|
|
|
#coding:utf-8
|
|
|
|
|
2022-01-18 20:45:21 +01:00
|
|
|
"""
|
|
|
|
ID: issue-732
|
|
|
|
ISSUE: 732
|
|
|
|
TITLE: NULLS FIRST does not work with unions
|
|
|
|
DESCRIPTION:
|
|
|
|
JIRA: CORE-389
|
2022-02-02 15:46:19 +01:00
|
|
|
FBTEST: bugs.core_0389
|
2022-01-18 20:45:21 +01:00
|
|
|
"""
|
2021-04-26 20:07:00 +02:00
|
|
|
|
2022-01-18 20:45:21 +01:00
|
|
|
import pytest
|
|
|
|
from firebird.qa import *
|
2021-04-26 20:07:00 +02:00
|
|
|
|
2022-01-18 20:45:21 +01:00
|
|
|
init_script = """
|
2021-04-26 20:07:00 +02:00
|
|
|
create table t(x int);
|
|
|
|
insert into t values(2222);
|
|
|
|
insert into t values(222 );
|
|
|
|
insert into t values(22);
|
|
|
|
insert into t values(2);
|
|
|
|
insert into t values(null);
|
|
|
|
insert into t values(null);
|
2021-12-22 20:23:11 +01:00
|
|
|
"""
|
2021-04-26 20:07:00 +02:00
|
|
|
|
2022-01-18 20:45:21 +01:00
|
|
|
db = db_factory(page_size=4096, init=init_script)
|
2021-04-26 20:07:00 +02:00
|
|
|
|
2022-01-18 20:45:21 +01:00
|
|
|
test_script = """
|
2021-04-26 20:07:00 +02:00
|
|
|
select distinct x
|
|
|
|
from t
|
2022-01-18 20:45:21 +01:00
|
|
|
|
2021-04-26 20:07:00 +02:00
|
|
|
union all
|
2022-01-18 20:45:21 +01:00
|
|
|
|
2021-04-26 20:07:00 +02:00
|
|
|
select distinct x
|
|
|
|
from t
|
2022-01-18 20:45:21 +01:00
|
|
|
|
2021-04-26 20:07:00 +02:00
|
|
|
order by 1 nulls first
|
|
|
|
;
|
|
|
|
--------------------------
|
|
|
|
select distinct x
|
|
|
|
from t
|
2022-01-18 20:45:21 +01:00
|
|
|
|
2021-04-26 20:07:00 +02:00
|
|
|
union all
|
2022-01-18 20:45:21 +01:00
|
|
|
|
2021-04-26 20:07:00 +02:00
|
|
|
select distinct x
|
|
|
|
from t
|
2022-01-18 20:45:21 +01:00
|
|
|
|
2021-04-26 20:07:00 +02:00
|
|
|
order by 1 desc nulls first
|
|
|
|
;
|
|
|
|
--------------------------
|
|
|
|
select x
|
|
|
|
from t
|
|
|
|
|
|
|
|
union
|
|
|
|
|
|
|
|
select x
|
|
|
|
from t
|
|
|
|
|
|
|
|
order by 1 nulls first
|
|
|
|
;
|
2021-12-22 20:23:11 +01:00
|
|
|
"""
|
2021-04-26 20:07:00 +02:00
|
|
|
|
2022-01-18 20:45:21 +01:00
|
|
|
act = isql_act('db', test_script, substitutions=[('=.*', '')])
|
|
|
|
|
|
|
|
expected_stdout = """
|
|
|
|
X
|
|
|
|
============
|
|
|
|
<null>
|
|
|
|
<null>
|
|
|
|
2
|
|
|
|
2
|
|
|
|
22
|
|
|
|
22
|
|
|
|
222
|
|
|
|
222
|
|
|
|
2222
|
|
|
|
2222
|
|
|
|
|
|
|
|
|
|
|
|
X
|
|
|
|
============
|
|
|
|
<null>
|
|
|
|
<null>
|
|
|
|
2222
|
|
|
|
2222
|
|
|
|
222
|
|
|
|
222
|
|
|
|
22
|
|
|
|
22
|
|
|
|
2
|
|
|
|
2
|
|
|
|
|
|
|
|
X
|
|
|
|
============
|
|
|
|
<null>
|
|
|
|
2
|
|
|
|
22
|
|
|
|
222
|
2021-04-26 20:07:00 +02:00
|
|
|
2222
|
2021-12-22 20:23:11 +01:00
|
|
|
"""
|
2021-04-26 20:07:00 +02:00
|
|
|
|
2022-01-18 20:45:21 +01:00
|
|
|
@pytest.mark.version('>=3')
|
|
|
|
def test_1(act: Action):
|
|
|
|
act.expected_stdout = expected_stdout
|
|
|
|
act.execute()
|
|
|
|
assert act.clean_stdout == act.clean_expected_stdout
|
2021-04-26 20:07:00 +02:00
|
|
|
|