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57 lines
1.1 KiB
Python
57 lines
1.1 KiB
Python
#coding:utf-8
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"""
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ID: issue-3651
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ISSUE: 3651
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TITLE: BAD PLAN with using LEFT OUTER JOIN in SUBSELECT
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DESCRIPTION:
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JIRA: CORE-3283
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FBTEST: bugs.core_3283
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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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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 = isql_act('db', test_script)
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expected_stdout = """
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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('>=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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