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https://github.com/FirebirdSQL/firebird-qa.git
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87 lines
2.2 KiB
Python
87 lines
2.2 KiB
Python
#coding:utf-8
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#
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# id: bugs.core_1812
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# title: Index is not used for some date/time expressions in dialect 1
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# decription:
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# 02.02.2019. Added separate code for FB 4.0: statements like SELECT TIMESTAMP 'now' FROM RDB$DATABASE;
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# -- can not be used anymore (Statement failed, SQLSTATE = 22018 / conversion error from string "now").
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# Details about timezone datatype see in: doc\\sql.extensions\\README.time_zone.md
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#
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# tracker_id: CORE-1812
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# min_versions: []
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# versions: 2.5.0, 4.0
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# qmid: bugs.core_1812
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import pytest
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from firebird.qa import db_factory, isql_act, Action
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# version: 2.5.0
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# resources: None
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substitutions_1 = []
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init_script_1 = """
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create table t (col timestamp) ;
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create index it on t (col) ;
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commit ;
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"""
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db_1 = db_factory(sql_dialect=1, init=init_script_1)
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test_script_1 = """
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SET PLAN ON;
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select * from t where col > timestamp 'now' - 7 ;
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select * from t where col > 'now' - 7 ;
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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 (T INDEX (IT))
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PLAN (T INDEX (IT))
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"""
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@pytest.mark.version('>=2.5.0,<4.0')
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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_stdout == act_1.clean_expected_stdout
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# version: 4.0
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# resources: None
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substitutions_2 = []
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init_script_2 = """"""
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db_2 = db_factory(sql_dialect=1, init=init_script_2)
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test_script_2 = """
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create table test (dts timestamp) ;
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commit;
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insert into test
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select dateadd( rand() * 10 second to localtimestamp )
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from rdb$types, rdb$types;
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commit;
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create index test_dts on test(dts);
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commit;
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set planonly;
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select * from test where dts = localtimestamp;
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select * from test where dts = current_timestamp;
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"""
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act_2 = isql_act('db_2', test_script_2, substitutions=substitutions_2)
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expected_stdout_2 = """
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PLAN (TEST INDEX (TEST_DTS))
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PLAN (TEST NATURAL)
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"""
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@pytest.mark.version('>=4.0')
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def test_2(act_2: Action):
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act_2.expected_stdout = expected_stdout_2
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act_2.execute()
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assert act_2.clean_stdout == act_2.clean_expected_stdout
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