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97 lines
2.8 KiB
Python
97 lines
2.8 KiB
Python
#coding:utf-8
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"""
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ID: issue-8304
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ISSUE: https://github.com/FirebirdSQL/firebird/issues/8304
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TITLE: wrong results using minvalue/maxvalue in join condition
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DESCRIPTION:
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NOTES:
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[04.11.2024] pzotov
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Confirmed bug on 6.0.0.515-d53f368 (dob: 30.10.2024).
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Checked on 6.0.0.515-1c3dc43; 5.0.2.1551-90fdb97; 4.0.6.3165 (intermediate build).
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"""
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import pytest
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from firebird.qa import *
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db = db_factory()
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test_script = """
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create domain dm_sml smallint default 0 not null;
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create domain dm_txt varchar(100) not null;
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create table tbl1 (
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ds int,
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ru dm_sml,
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wi dm_sml,
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ko dm_sml
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);
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create table tbl2 (
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id int,
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ru dm_sml,
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ru_txt dm_txt,
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wi dm_sml,
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wi_txt dm_txt,
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ko dm_sml,
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ko_txt dm_txt
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);
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commit;
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insert into tbl1 (ds, ru, wi, ko) values(50, 1, 1, 0);
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insert into tbl2 (id, ru, ru_txt, wi, wi_txt, ko, ko_txt) values(1, 1, 'a', 1, 'a', 1, 'a');
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insert into tbl2 (id, ru, ru_txt, wi, wi_txt, ko, ko_txt) values(2, 1, 'b', 1, 'b', 0, 'b');
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insert into tbl2 (id, ru, ru_txt, wi, wi_txt, ko, ko_txt) values(3, 1, 'c', 0, 'c', 1, 'c');
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insert into tbl2 (id, ru, ru_txt, wi, wi_txt, ko, ko_txt) values(4, 1, 'd', 0, 'd', 0, 'd');
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insert into tbl2 (id, ru, ru_txt, wi, wi_txt, ko, ko_txt) values(5, 0, 'e', 1, 'e', 1, 'e');
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insert into tbl2 (id, ru, ru_txt, wi, wi_txt, ko, ko_txt) values(6, 0, 'f', 1, 'f', 0, 'f');
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insert into tbl2 (id, ru, ru_txt, wi, wi_txt, ko, ko_txt) values(7, 0, 'g', 0, 'g', 1, 'g');
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insert into tbl2 (id, ru, ru_txt, wi, wi_txt, ko, ko_txt) values(8, 0, 'h', 0, 'h', 0, 'h');
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commit;
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set count on;
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set list on;
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-- no record - wrong:
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select 'case-1' as msg, a.*
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from tbl1 a
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join tbl2 b on minvalue(a.ko, 1) = b.ko and
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minvalue(a.ru, 1) = b.ru and
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minvalue(a.wi, 1) = b.wi
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;
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-- one record - correct:
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select 'case-2' as msg, a.*
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from tbl1 a
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join tbl2 b on decode(a.ko, 0, 0, 1) = b.ko and
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decode(a.ru, 0, 0, 1) = b.ru and
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decode(a.wi, 0, 0, 1) = b.wi
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;
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"""
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act = isql_act('db', test_script)
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expected_stdout = """
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MSG case-1
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DS 50
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RU 1
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WI 1
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KO 0
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Records affected: 1
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MSG case-2
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DS 50
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RU 1
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WI 1
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KO 0
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Records affected: 1
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"""
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@pytest.mark.version('>=4.0.6')
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def test_1(act: Action):
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act.expected_stdout = expected_stdout
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act.execute(combine_output = True)
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assert act.clean_stdout == act.clean_expected_stdout
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