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55 lines
1.5 KiB
Python
55 lines
1.5 KiB
Python
#coding:utf-8
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#
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# id: bugs.core_5146
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# title: Suboptimal join order if one table has a selective predicate and MIN is calculated for the other one
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# decription:
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# tracker_id: CORE-5146
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# min_versions: ['3.0']
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# versions: 3.0
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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: 3.0
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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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-- Confirmed:
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-- effective plan on: V3.0.0.32435, T4.0.0.113
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-- ineffect. plan on: V3.0.0.32378, T4.0.0.98
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recreate table houritems(houritemid int, projectid int); -- hi
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recreate table dihourentries(houritemid int, datevalue int); -- he
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create index hi_itemid on houritems(houritemid);
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create index hi_projid on houritems(projectid);
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create index he_itemid on dihourentries(houritemid);
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create index he_datevl on dihourentries(datevalue);
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set planonly;
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select min(he.datevalue)
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from houritems hi inner join dihourentries he on hi.houritemid = he.houritemid
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where hi.projectid = ?;
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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 JOIN (HI INDEX (HI_PROJID), HE INDEX (HE_ITEMID))
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"""
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@pytest.mark.version('>=3.0')
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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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