Persistence::LOB - LOBs mapping object.

 Persistence::Fetchable
    |
    +----Persistence::LOB

    use Persistence::ORM':all';
    use Persistence::Entity ':all';

    my $photo_entity = Persistence::Entity->new(
        name    => 'photo',
        alias   => 'ph',
        primary_key => ['id'],
        columns => [
            sql_column(name => 'id'),
            sql_column(name => 'name', unique => 1),
        ],
        lobs => [
            sql_lob(name => 'blob_content', size_column => 'doc_size'),
        ]
    );
    $entity_manager->add_entities($photo_entity);

    package Photo;
    use Abstract::Meta::Class ':all';
    use Persistence::ORM ':all';
    entity 'photo';

    column 'id'   => has('$.id');
    column 'name' => has('$.name');
    lob    'blob_content' => (attribute => has('$.image'), fetch_method => LAZY);




    package EagerPhoto;
    use Abstract::Meta::Class ':all';
    use Persistence::ORM ':all';
    entity 'photo';

    column 'id'   => has('$.id');
    column 'name' => has('$.name');
    lob    'blob_content' => (attribute => has('$.image'), fetch_method => EAGER);

    my ($photo) = $entity_manager->find(photo => 'Photo', id => 10);
    $photo->name('Moon');
    $photo->set_image($moon_image);
    $entity_manager->update($photo);

Represents a base class for object relationship.

LAZY EAGER NONE ALL ON_INSERT ON_UPDATE ON_DELETE method by ':all' tag.

attribute

orm

initialise

install_fetch_interceptor

deserialise_attribute

Deserializes attribute value.

Persistence::Relationship Persistence::Entity Persistence::Entity::Manager Persistence::ORM

The Persistence::LOB module is free software. You may distribute under the terms of either the GNU General Public License or the Artistic License, as specified in the Perl README file.

Adrian Witas, <adrian@webapp.strefa.pl</gt>