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Data::Model::Driver::Memcached(3) User Contributed Perl Documentation Data::Model::Driver::Memcached(3)

Data::Model::Driver::Memcached - storage driver for memcached protocol

  package MyDB;
  use base 'Data::Model';
  use Data::Model::Schema;
  use Data::Model::Driver::Memcached;
  
  my $dbi_connect_options = {};
  my $driver = Data::Model::Driver::Memcached->new(
      memcached => Cache::Memcached::Fast->new({ servers => [ { address => "localhost:11211" }, ], }),
  );
  
  base_driver $driver;
  install_model model_name => schema {
    ....
  };

Storage is used via a memcached protocol.

It can save at memcached, Tokyo Tyrant, kai, groonga, etc.

  my $driver = Data::Model::Driver::Memcached->new(
      memcached  => Cache::Memcached::Fast->new({ servers => [ { address => "localhost:11211" }, ], }),
      serializer => 'Default', # default is L<Data::MessagePack> or messagepack minimum set for Data::Model
  );

you can use customizable serializer.

  {
      package MySerializer;
      sub serialize {
          my($class, $c, $hash) = @_;
          # you serialize of $hash
          return $serialize_string;
      }
      sub deserialize {
          my($class, $c, $serialize_string) = @_;
          ...
          return $hash;
      }
  }
  my $driver = Data::Model::Driver::Memcached->new(
      memcached  => Cache::Memcached::Fast->new({ servers => [ { address => "localhost:11211" }, ], }),
      serializer => '+MySerializer',
  );

strip tables key data, Because key data stored in a memcached key part.

  my $driver = Data::Model::Driver::Memcached->new(
      memcached  => Cache::Memcached::Fast->new({ servers => [ { address => "localhost:11211" }, ], }),
      strip_keys => 1,
  );

When value is undef, a value is not put into storage.

It becomes size saving at the time of obvious empty data.

  my $driver = Data::Model::Driver::Memcached->new(
      memcached          => Cache::Memcached::Fast->new({ servers => [ { address => "localhost:11211" }, ], }),
      ignore_undef_value => 1,
  );

compress your table name and column name.

  my $driver = Data::Model::Driver::Memcached->new(
      memcached  => Cache::Memcached::Fast->new({ servers => [ { address => "localhost:11211" }, ], namespace => 'test', }),
      serializer => 'Default',
      strip_keys => 1,
  );
  install_model simple => schema {
      schema_options model_name_realname => 's';
      key 'id';
      column 'id';
      column 'name';
      column 'nickname';
      schema_options column_name_rename => {
          id       => 1,
          name     => 2,
          nickname => 3,
      };
  };

  $model->set(
      simple => 'keyvalue' => {
          name     => 'osawa',
          nickname => 'yappo',
      }
  );
  # same code
  $memcached->add(
      'tests:keyvalue',
      Data::MessagePack->pack({ 2 => 'osawa', 3 => 'yappo' }),
  );

Cache::Memcache::Fast, Data::Model

Kazuhiro Osawa <yappo <at> shibuya <doet> pl>

This library is free software; you can redistribute it and/or modify it under the same terms as Perl itself.

Hey! The above document had some coding errors, which are explained below:
Around line 543:
Non-ASCII character seen before =encoding in '<doet>'. Assuming UTF-8
2013-07-08 perl v5.32.1

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