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73 lines
1.7 KiB
Python
73 lines
1.7 KiB
Python
#coding:utf-8
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#
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# id: bugs.core_1005
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# title: DISTINCT vs NULLS LAST clause: wrong order of NULLs
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# decription:
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# tracker_id: CORE-1005
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# min_versions: []
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# versions: 2.0.1
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# qmid: bugs.core_1005
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import pytest
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from firebird.qa import db_factory, isql_act, Action
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# version: 2.0.1
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# resources: None
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substitutions_1 = []
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init_script_1 = """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_1 = db_factory(sql_dialect=3, init=init_script_1)
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test_script_1 = """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_1 = isql_act('db_1', test_script_1, substitutions=substitutions_1)
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expected_stdout_1 = """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('>=2.0.1')
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def test_1(act_1: Action):
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act_1.expected_stdout = expected_stdout_1
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act_1.execute()
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assert act_1.clean_expected_stdout == act_1.clean_stdout
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