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DBIx::Class::Storage::DBI::Replicated::Replicant(3) User Contributed Perl Documentation DBIx::Class::Storage::DBI::Replicated::Replicant(3)

DBIx::Class::Storage::DBI::Replicated::Replicant - A replicated DBI Storage Role

This class is used internally by DBIx::Class::Storage::DBI::Replicated.

Replicants are DBI Storages that follow a master DBI Storage. Typically this is accomplished via an external replication system. Please see the documents for DBIx::Class::Storage::DBI::Replicated for more details.

This class exists to define methods of a DBI Storage that only make sense when it's a classic 'slave' in a pool of slave databases which replicate from a given master database.

This class defines the following attributes.

This is a boolean which allows you to programmatically activate or deactivate a replicant from the pool. This way you can do stuff like disallow a replicant when it gets too far behind the master, if it stops replicating, etc.

This attribute DOES NOT reflect a replicant's internal status, i.e. if it is properly replicating from a master and has not fallen too many seconds behind a reliability threshold. For that, use "is_replicating" in DBIx::Class::Storage::DBI::Replicated and "lag_behind_master" in DBIx::Class::Storage::DBI::Replicated. Since the implementation of those functions database specific (and not all DBIC supported DBs support replication) you should refer your database-specific storage driver for more information.

Reference to the master Storage.

This class defines the following methods.

Override the debugobj method to redirect this method call back to the master.

<http://en.wikipedia.org/wiki/Replicant>, DBIx::Class::Storage::DBI::Replicated

Check the list of additional DBIC resources.

This module is free software copyright by the DBIx::Class (DBIC) authors. You can redistribute it and/or modify it under the same terms as the DBIx::Class library.
2018-04-30 perl v5.32.1

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