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67 lines
1.5 KiB
Python
67 lines
1.5 KiB
Python
#coding:utf-8
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"""
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ID: issue-3081
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ISSUE: 3081
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TITLE: Full outer join cannot use available indices (very slow execution)
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DESCRIPTION:
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JIRA: CORE-2678
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FBTEST: bugs.core_2678
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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 table td_data1 (
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c1 varchar(20) character set win1251 not null collate win1251,
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c2 integer not null,
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c3 date not null,
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d1 float not null
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);
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create index idx_td_data1 on td_data1(c1,c2,c3);
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commit;
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create table td_data2 (
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c1 varchar(20) character set win1251 not null collate win1251,
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c2 integer not null,
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c3 date not null,
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d2 float not null
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);
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create index idx_td_data2 on td_data2(c1,c2,c3);
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commit;
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set planonly;
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select
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d1.c1, d2.c1,
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d1.c2, d2.c2,
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d1.c3, d2.c3,
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coalesce(sum(d1.d1), 0) t1,
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coalesce(sum(d2.d2), 0) t2
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from td_data1 d1
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full join td_data2 d2
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on
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d2.c1 = d1.c1
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and d2.c2 = d1.c2
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and d2.c3 = d1.c3
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group by
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d1.c1, d2.c1,
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d1.c2, d2.c2,
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d1.c3, d2.c3;
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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 (JOIN (D2 NATURAL, D1 INDEX (IDX_TD_DATA1)), JOIN (D1 NATURAL, D2 INDEX (IDX_TD_DATA2))))
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"""
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@pytest.mark.version('>=3.0')
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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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