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Old 01-31-2009
Memcached Functions for MySQL 0.8 (Default branch)
This is a set of MySQL UDFs (user defined functions) to work with memcached using libmemcached. With these functions, you can get, set, append, prepend, delete, increment, and decrement objects in memcached, provide statistics, and set which servers to use and which behavior the server connections will use. These functions can be combined with MySQL triggers. You can also use memcached as a global sequence generator for MySQL by making use of the increment function. These functions are compatible with all versions of MySQL.License: GNU General Public License (GPL)Changes:
memc_servers_behavior_get(''), memc_list_distribution_types(), memc_list_hash_types(), memc_behavior_get() (an alias to memc_servers_behavior_get() ), and memc_behavior_set() (an alias to memc_servers_behavior_set() ) functions were added. memc_servers_behavior_set() now works for all types of behaviors - Boolean, named behaviors (string), and numeric.Image

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apache::session::lock::mysql

Apache::Session::Lock::MySQL(3pm)			User Contributed Perl Documentation			 Apache::Session::Lock::MySQL(3pm)

NAME

       Apache::Session::Lock::MySQL - Provides mutual exclusion using MySQL

SYNOPSIS

	use Apache::Session::Lock::MySQL;

	my $locker = Apache::Session::Lock::MySQL->new();

	$locker->acquire_read_lock($ref);
	$locker->acquire_write_lock($ref);
	$locker->release_read_lock($ref);
	$locker->release_write_lock($ref);
	$locker->release_all_locks($ref);

DESCRIPTION

       Apache::Session::Lock::MySQL fulfills the locking interface of Apache::Session.	Mutual exclusion is achieved through the use of MySQL's
       GET_LOCK and RELEASE_LOCK functions.  MySQL does not support the notion of read and write locks, so this module only supports exclusive
       locks.  When you request a shared read lock, it is instead promoted to an exclusive write lock.

CONFIGURATION

       The module must know how to connect to your MySQL database to acquire locks.  You must provide a datasource name, a user name, and a
       password.  These options are passed in the usual Apache::Session style, and are very similar to the options for
       Apache::Session::Store::MySQL.  Example:

	tie %hash, 'Apache::Session::MySQL', $id, {
	    LockDataSource => 'dbi:mysql:database',
	    LockUserName   => 'database_user',
	    LockPassword   => 'K00l'
	};

       Instead, you may pass in an already opened DBI handle to your database.

	tie %hash, 'Apache::Session::MySQL', $id, {
	    LockHandle => $dbh
	};

AUTHOR

       This module was written by Jeffrey William Baker <jwbaker@acm.org>.

SEE ALSO

       Apache::Session

perl v5.10.1							    2010-10-18					 Apache::Session::Lock::MySQL(3pm)