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51 lines
1.2 KiB
Python
51 lines
1.2 KiB
Python
#coding:utf-8
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#
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# id: bugs.core_3722
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# title: IS NOT DISTINCT FROM NULL doesn't use index
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# decription:
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# tracker_id: CORE-3722
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# min_versions: ['2.1.5']
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# versions: 2.1.5
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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: 2.1.5
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# resources: None
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substitutions_1 = []
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init_script_1 = """create table t (a varchar(5));
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create index t_a on t (a);
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"""
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db_1 = db_factory(page_size=4096, sql_dialect=3, init=init_script_1)
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test_script_1 = """SET PLAN ON;
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select * from t where a is null;
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select * from t where a is not distinct from null;
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select * from t where a is not distinct from null PLAN (T INDEX (T_A));
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select * from t where a is not distinct from nullif('', '');
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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 = """Database: localhost:C: btestnew mpugs.core_3722.fdb, User: SYSDBA
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SQL> SQL>
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PLAN (T INDEX (T_A))
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SQL>
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PLAN (T INDEX (T_A))
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SQL>
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PLAN (T INDEX (T_A))
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SQL>
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PLAN (T INDEX (T_A))
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SQL>"""
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@pytest.mark.version('>=2.1.5')
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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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