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https://github.com/FirebirdSQL/firebird-qa.git
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121 lines
4.0 KiB
Python
121 lines
4.0 KiB
Python
#coding:utf-8
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#
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# id: bugs.core_5381
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# title: Regression: could not execute query (select from view with nested view)
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# decription:
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# Confirmed trouble on 3.0.1.32609: query PREPARING lasts more than 2 mintes and end up with:
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# Statement failed, SQLSTATE = HY000
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# request size limit exceeded
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# Works fine on WI-V3.0.2.32703 - query runs less than for 2 ms.
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# Decided to compare execution time of this query with threshold 1000 ms.
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# Checked on:
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# 4.0.0.1629: OK, 1.508s.
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# 3.0.5.33179: OK, 0.866s.
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#
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# tracker_id: CORE-5381
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# min_versions: ['3.0.2']
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# versions: 3.0.2
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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: 3.0.2
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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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create table t1(ID bigint not null primary key);
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create table t2(ID bigint not null primary key);
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create table t3(ID bigint not null primary key);
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create table t4(ID bigint not null primary key);
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create table t5(ID bigint not null primary key);
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create table t6(ID bigint not null primary key);
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create table t7(ID bigint not null primary key);
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create table t8(ID bigint not null primary key);
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create view inner_view(ID)
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as
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select t1.ID
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from t1
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inner join t8 B on B.ID = t1.ID
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inner join t2 C on C.ID = t1.ID
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left join t4 D on D.ID = t1.ID
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inner join t5 E on E.ID = t1.ID
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left join t6 F on F.ID = t1.ID
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inner join RDB$TYPES G1 on G1.rdb$type = t1.ID
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inner join RDB$RELATIONS G2 on G2.rdb$relation_id = t1.ID
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inner join RDB$DEPENDENCIES G3 on G3.rdb$dependent_type = t1.ID
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inner join RDB$COLLATIONS G4 on G4.rdb$collation_id = t1.ID
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inner join RDB$FIELDS G5 on G5.rdb$field_type = t1.ID
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inner join RDB$CHARACTER_SETS G6 on G6.rdb$character_set_id = t1.ID
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;
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create view test_view(ID)
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as
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select t1.ID
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from t1
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inner join inner_view on inner_view.ID = t1.ID
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inner join t7 on t7.ID = t1.ID
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left join t3 on t3.ID = t1.ID
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inner join RDB$TYPES D1 on D1.rdb$type = t1.ID
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inner join RDB$RELATIONS D2 on D2.rdb$relation_id = t1.ID
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inner join RDB$DEPENDENCIES D3 on D3.rdb$dependent_type = t1.ID
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inner join RDB$COLLATIONS D4 on D4.rdb$collation_id = t1.ID
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inner join RDB$FIELDS D5 on D5.rdb$field_type = t1.ID
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;
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commit;
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set list on;
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set term ^;
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execute block returns( result varchar(128) ) as
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declare dts_beg timestamp;
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declare c int;
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declare elap_ms int;
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declare max_allowed_ms int = 1000;
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-- #####
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-- ^
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-- |
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-- ###########################
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-- ### T H R E S H O L D ###
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-- ###########################
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begin
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dts_beg ='now';
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select A.ID
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from test_view A
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inner join RDB$TYPES D1 on D1.rdb$type = A.ID
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inner join RDB$RELATIONS D2 on D2.rdb$relation_id = A.ID
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inner join RDB$DEPENDENCIES D3 on D3.rdb$dependent_type = A.ID
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where A.ID = 1
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into c;
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elap_ms = datediff(millisecond from dts_beg to cast('now' as timestamp));
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result = iif(elap_ms <= max_allowed_ms, 'Acceptable.', 'TOO LONG: ' || elap_ms || ' ms - more than max allowed ' || max_allowed_ms || ' ms.' );
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suspend;
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end
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^
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set term ;^
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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 Acceptable.
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"""
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@pytest.mark.version('>=3.0.2')
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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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