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120 lines
4.0 KiB
Python
120 lines
4.0 KiB
Python
#coding:utf-8
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"""
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ID: issue-2729
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ISSUE: 2729
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TITLE: Make mon$statement_id value constant among monitoring snapshots
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DESCRIPTION:
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JIRA: CORE-2305
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FBTEST: bugs.core_2305
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"""
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import pytest
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from firebird.qa import *
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db = db_factory()
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test_script = """
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recreate table test(monitoring_att_id int, running_stt_id int);
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commit;
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set term ^;
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execute block as
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declare monitoring_att_id int;
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declare running_stt_id int;
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declare v_dbname varchar(255);
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declare v_stt varchar(1024);
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declare v_usr rdb$user = 'sysdba';
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declare v_pwd varchar(20) = 'masterkey';
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declare v_trn int;
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begin
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v_dbname = 'localhost:' || rdb$get_context('SYSTEM', 'DB_NAME');
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v_stt =
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'select current_connection, s.mon$statement_id '
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|| 'from mon$statements s '
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|| 'where s.mon$transaction_id = :x '
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|| 'order by s.mon$statement_id rows 1';
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v_trn = current_transaction;
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execute statement (v_stt) ( x := v_trn )
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into monitoring_att_id, running_stt_id;
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insert into test( monitoring_att_id, running_stt_id)
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values(:monitoring_att_id, :running_stt_id);
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execute statement (v_stt) ( x := v_trn )
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on external (v_dbname)
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as user :v_usr password :v_pwd role 'R_001'
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into monitoring_att_id, running_stt_id;
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insert into test( monitoring_att_id, running_stt_id)
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values(:monitoring_att_id, :running_stt_id);
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execute statement (v_stt) ( x := v_trn )
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on external (v_dbname)
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as user :v_usr password :v_pwd role 'R_002'
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into monitoring_att_id, running_stt_id;
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insert into test( monitoring_att_id, running_stt_id)
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values(:monitoring_att_id, :running_stt_id);
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end
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^
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set term ;^
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-- select * from test;
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-- Output of select * from test in 2.5.0:
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-- MONITORING_ATT_ID RUNNING_STT_ID
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-- ================= ==============
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-- 6 5
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-- 7 11
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-- 8 11
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-- Output of select * from test since 2.5.1:
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-- MONITORING_ATT_ID RUNNING_STT_ID
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-- ================= ==============
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-- 9 122
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-- 10 122
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-- 11 122
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set list on;
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select
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count(distinct monitoring_att_id) as num_of_mon$statement_observers
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,count(distinct running_stt_id) as distinct_statement_id_they_saw
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from test;
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commit;
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-- ||||||||||||||||||||||||||||
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-- ###################################||| FB 4.0+, SS and SC |||##############################
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-- ||||||||||||||||||||||||||||
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-- If we check SS or SC and ExtConnPoolLifeTime > 0 (config parameter FB 4.0+) then current
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-- DB (bugs.core_NNNN.fdb) will be 'captured' by firebird.exe process and fbt_run utility
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-- will not able to drop this database at the final point of test.
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-- Moreover, DB file will be hold until all activity in firebird.exe completed and AFTER this
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-- we have to wait for <ExtConnPoolLifeTime> seconds after it (discussion and small test see
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-- in the letter to hvlad and dimitr 13.10.2019 11:10).
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-- This means that one need to kill all connections to prevent from exception on cleanup phase:
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-- SQLCODE: -901 / lock time-out on wait transaction / object <this_test_DB> is in use
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-- #############################################################################################
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delete from mon$attachments where mon$attachment_id != current_connection;
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commit;
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"""
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act = isql_act('db', test_script)
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expected_stdout = """
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NUM_OF_MON$STATEMENT_OBSERVERS 3
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DISTINCT_STATEMENT_ID_THEY_SAW 1
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"""
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@pytest.mark.es_eds
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@pytest.mark.version('>=3')
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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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