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99 lines
2.9 KiB
Python
99 lines
2.9 KiB
Python
#coding:utf-8
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#
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# id: bugs.core_3858
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# title: Very poor performance of SIMILAR TO on some arguments + unable to disconnect via DELETE FROM MON$ATTACHMENTS
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# decription:
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# Confirmed normal work (evaluation for less than 2 ms) on WI-T4.0.0.1598
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# Note. Part of pattern: "[[:ALNUM:]\\_\\-]" -- looks strange but it is correct.
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# And it should NOT be changed to somewhat like "[[:ALNUM:]]\\_\\-": previoud FB versions hanged exactly
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# because of this "strange and wrong" pattern.
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#
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# tracker_id: CORE-3858
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# min_versions: ['4.0']
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# versions: 4.0
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# qmid: None
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import pytest
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from firebird.qa import db_factory, isql_act, Action
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# version: 4.0
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# resources: None
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substitutions_1 = []
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init_script_1 = """"""
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db_1 = db_factory(sql_dialect=3, init=init_script_1)
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test_script_1 = """
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set list on;
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set count on;
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set term ^;
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execute block as
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begin
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rdb$set_context( 'USER_SESSION','DTS_START', cast('now' as timestamp) );
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rdb$set_context( 'USER_SESSION','MAX_THRESHOLD_MS', 500 );
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-- ^
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-- |
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-- #############################
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-- MAX ALLOWED EXECUTION TIME,MS
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-- #############################
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end
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^
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set term ;^
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select 1 as result from rdb$database where
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'
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group by
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MATCODE,
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MATNAME,
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NOTE,
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GROUPCODE,
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STATE,
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MATPROD,
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MATFULL,
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KOLVO,
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EDIZM,
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MATGRPCOD,
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CODE,
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TEXTTOHIST,
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INV_ROOMDOC,
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INV_ROOM,
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PARENTCODE,
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INVIS
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'
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similar to
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'%group[[:WHITESPACE:]]+by[[:WHITESPACE:]]+([[:ALNUM:]]|_)+([[:WHITESPACE:]]*,[[:WHITESPACE:]]*[[:ALNUM:]]+){12,}[[:WHITESPACE:]]*%'
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;
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set count off;
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select
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iif( evaluated_ms <= max_allowed_ms
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,'acceptable'
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,'TOO LONG: ' || evaluated_ms || ' ms - this is more then threshold = ' || max_allowed_ms || ' ms'
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) as duration
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from (
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select
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datediff( millisecond from cast(rdb$get_context( 'USER_SESSION','DTS_START') as timestamp) to current_timestamp ) evaluated_ms
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,cast( rdb$get_context( 'USER_SESSION','MAX_THRESHOLD_MS' ) as int ) as max_allowed_ms
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from rdb$database
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);
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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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RESULT 1
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Records affected: 1
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DURATION acceptable
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"""
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@pytest.mark.version('>=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_expected_stdout == act_1.clean_stdout
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