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63 lines
1.4 KiB
Python
63 lines
1.4 KiB
Python
#coding:utf-8
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#
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# id: bugs.core_3283
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# title: BAD PLAN with using LEFT OUTER JOIN in SUBSELECT
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# decription:
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# tracker_id: CORE-3283
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# min_versions: ['2.5.1']
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# versions: 2.5.1
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# qmid: None
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import pytest
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from firebird.qa import db_factory, isql_act, Action
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# version: 2.5.1
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# resources: None
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substitutions_1 = []
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init_script_1 = """"""
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db_1 = db_factory(sql_dialect=3, init=init_script_1)
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test_script_1 = """
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recreate table ttt (
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id int
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,constraint ttt_pk primary key (id) using index ttt_id
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);
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insert into ttt (id) values (0);
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insert into ttt (id) values (1);
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insert into ttt (id) values (2);
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insert into ttt (id) values (3);
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insert into ttt (id) values (4);
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insert into ttt (id) values (5);
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commit;
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set planonly;
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select t1.id from ttt t1
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where t1.id =
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(select t3.id
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from ttt t2
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left join ttt t3 on t3.id > t2.id
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where t2.id = 3
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order by t3.id
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rows 1
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);
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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 = """
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PLAN SORT (JOIN (T2 INDEX (TTT_ID), T3 INDEX (TTT_ID)))
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PLAN (T1 INDEX (TTT_ID))
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"""
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@pytest.mark.version('>=2.5.1')
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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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