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69 lines
1.5 KiB
Python
69 lines
1.5 KiB
Python
#coding:utf-8
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"""
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ID: issue-1416
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ISSUE: 1416
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TITLE: DISTINCT vs NULLS LAST clause: wrong order of NULLs
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DESCRIPTION:
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JIRA: CORE-1005
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FBTEST: bugs.core_1005
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"""
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import pytest
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from firebird.qa import *
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init_script = """create table T (A int, B int) ;
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commit ;
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insert into T values (1,1);
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insert into T values (1,1);
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insert into T values (2,2);
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insert into T values (3,3);
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insert into T values (null,null);
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insert into T values (null,null);
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insert into T values (4,4);
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commit ;
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"""
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db = db_factory(init=init_script)
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test_script = """select distinct A, B from T order by A nulls last, B nulls last ;
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select distinct A, B from T order by A nulls last ;
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select distinct A, B from T order by B nulls last ;
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"""
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act = isql_act('db', test_script)
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expected_stdout = """A B
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============ ============
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1 1
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2 2
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3 3
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4 4
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<null> <null>
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A B
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============ ============
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1 1
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2 2
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3 3
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4 4
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<null> <null>
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A B
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============ ============
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1 1
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2 2
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3 3
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4 4
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<null> <null>
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"""
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@pytest.mark.version('>=3')
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def test_1(act: Action):
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act.expected_stdout = expected_stdout
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act.execute()
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assert act.clean_stdout == act.clean_expected_stdout
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