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Viewing changes to mysql-test/suite/engines/funcs/t/rpl_get_lock.test

  • Committer: Bazaar Package Importer
  • Author(s): Norbert Tretkowski
  • Date: 2010-05-11 18:47:32 UTC
  • mto: (2.1.2 sid) (1.2.1 upstream)
  • mto: This revision was merged to the branch mainline in revision 4.
  • Revision ID: james.westby@ubuntu.com-20100511184732-jhn055kfhxze24kt
Tags: upstream-5.1.46
Import upstream version 5.1.46

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mysql-test/suite/engines/funcs/t/rpl_get_lock.test
 
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source include/master-slave.inc;
 
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create table t1(n int);
 
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--disable_warnings
 
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insert into t1 values(get_lock("lock",2));
 
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--enable_warnings
 
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dirty_close master;
 
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connection master1;
 
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select get_lock("lock",2);
 
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select release_lock("lock");
 
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#ignore 
 
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disable_query_log;
 
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let $1=2000;
 
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while ($1)
 
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{
 
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  do get_lock("lock",2);
 
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  do release_lock("lock");
 
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  dec $1;
 
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}
 
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enable_query_log;
 
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save_master_pos;
 
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connection slave;
 
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sync_with_master;
 
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select get_lock("lock",3);
 
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select * from t1;
 
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# There is no point in testing REPLICATIION of the IS_*_LOCK
 
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# functions; slave does not run with the same concurrency context as
 
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# master (generally in slave we can't know that on master this lock
 
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# was already held by another connection and so that the the
 
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# get_lock() we're replicating timed out on master hence returned 0,
 
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# or that the is_free_lock() we're playing returned 0 etc.
 
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# But here all we do is test these functions outside of replication.
 
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select is_free_lock("lock"), is_used_lock("lock") = connection_id();
 
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explain extended select is_free_lock("lock"), is_used_lock("lock");
 
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# Check lock functions
 
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select is_free_lock("lock2");
 
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select is_free_lock(NULL);
 
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connection master1;
 
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drop table t1;
 
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save_master_pos;
 
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connection slave;
 
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sync_with_master;
 
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# End of 4.1 tests