MySQL::NameLocker
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This document discusses using MySQL locks at the application level with MoFedge to prevent bad flows like double submissions. It recommends using the Mysql::NameLocker module to lock a session ID during validation and unlock it after dispatch by calling GET_LOCK() and RELEASE_LOCK() on the database handle. Examples are provided of how to initialize and unset the locker in the valid_add and post_dispatch_add subroutines. More information is available in the CVS repository and SourceForge link provided.
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- 1. Application Level Lock by MySQL with MoFedge. Tokuhiro Matsuno 2007-01-26(Fri) 社内勉強会
- 2. Bad Flow Validation Add Validation Add Session1 Session2 DB DOUBLE!
- 3. GET_LOCK/RELEASE_LOCK SELECT GET_LOCK(‘HOGE’, 10); 10 is timeout. SELECT RELEASE_LOCK(‘HOGE’);
- 4. Good Flow Validation Add Redirect Session1 Session2 DB Lock Lock another page
- 5. How to lock. use Mysql::NameLocker.
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