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  1. MariaDB Server
  2. MDEV-20341

Unstable innodb.innodb_bug14704286

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    Description

      Result

      CURRENT_TEST: innodb.innodb_bug14704286
      mysqltest: At line 83: query 'reap' succeeded - should have failed with errno 1317...
       
      The result from queries just before the failure was:
      < snip >
      18	18	18	18
      19	19	19	19
      20	20	20	20
      connection conn1;
      select * from t1 force index(value) where value=12;
      connection conn3;
      Timeout in wait_condition.inc for select * from information_schema.processlist where state = 'Sending data' and
      info = 'select * from t1 force index(value) where value=12'
      Id	User	Host	db	Command	Time	State	Info	Progress
      2	system user		NULL	Daemon	NULL	InnoDB purge worker	NULL	0.000
      3	system user		NULL	Daemon	NULL	InnoDB purge worker	NULL	0.000
      1	system user		NULL	Daemon	NULL	InnoDB purge coordinator	NULL	0.000
      4	system user		NULL	Daemon	NULL	InnoDB purge worker	NULL	0.000
      5	system user		NULL	Daemon	NULL	InnoDB shutdown handler	NULL	0.000
      16	root	localhost	test	Sleep	31		NULL	0.000
      17	root	localhost	test	Sleep	30		NULL	0.000
      18	root	localhost	test	Sleep	30		NULL	0.000
      19	root	localhost	test	Query	0	Init	show full processlist	0.000
      kill query @id;
      connection conn1;
      

      All failures

      Cause

      Race condition: query may be already finished at the moment of kill.

      Notes

      There in mysql-test are about ~67 occurrences of ER_QUERY_INTERRUPTED, which are mostly correct as the queries are absolutely long or waiting on lock. Probably there are some incorrect ER_QUERY_INTERRUPTED queries of relatively short time.

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              midenok Aleksey Midenkov
              midenok Aleksey Midenkov
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                Created:
                Updated:
                Resolved:

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