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56 lines
1.6 KiB
Python
56 lines
1.6 KiB
Python
#coding:utf-8
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"""
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ID: issue-5041
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ISSUE: 5041
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TITLE: Expression 'where bool_field IS true | false' should also use index as
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'where bool_field = true | false' (if such index exists)
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DESCRIPTION:
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NOTES:
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[28.01.2019]
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Changed expected PLAN of execution after dimitr's letter 28.01.2019 17:28:
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'is NOT <bool>' and 'is distinct from <bool>' should use PLAN NATURAL.
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JIRA: CORE-4735
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FBTEST: bugs.core_4735
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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 test(x boolean, unique(x) using index test_x);
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commit;
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set plan on;
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select 1 from test where x = true ;
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select 1 from test where x is true ;
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select 0 from test where x = false ;
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select 0 from test where x is false ;
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select 1 from test where x is not true ; -- this must have plan NATURAL, 26.01.2019
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select 1 from test where x is distinct from true ; -- this must have plan NATURAL, 26.01.2019
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select 1 from test where x is not false ; -- this must have plan NATURAL, 26.01.2019
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select 1 from test where x is distinct from false ; -- this must have plan NATURAL, 26.01.2019
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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 (TEST INDEX (TEST_X))
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PLAN (TEST INDEX (TEST_X))
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PLAN (TEST INDEX (TEST_X))
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PLAN (TEST INDEX (TEST_X))
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PLAN (TEST NATURAL)
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PLAN (TEST NATURAL)
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PLAN (TEST NATURAL)
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PLAN (TEST NATURAL)
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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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