NAME
    Dancer::Plugin::DBIC - DBIx::Class interface for Dancer applications

VERSION
    version 0.2104

SYNOPSIS
        use Dancer;
        use Dancer::Plugin::DBIC qw(schema resultset rset);

        get '/users/:user_id' => sub {
            my $user_id = param 'user_id';
            my $user;

            # all of the following are equivalent:
            $user = schema('default')->resultset('User')->find($user_id);
            $user = schema->resultset('User')->find($user_id);
            $user = resultset('User')->find($user_id);
            $user = rset('User')->find($user_id);

            template user_profile => {
                user => $user
            };
        };

        dance;

DESCRIPTION
    This plugin makes it very easy to create Dancer applications that
    interface with databases. It automatically exports the keyword "schema"
    which returns a DBIx::Class::Schema object. You just need to configure
    your database connection information. For performance, schema objects
    are cached in memory and are lazy loaded the first time they are
    accessed.

    This plugin is now just a thin wrapper around DBICx::Sugar.

CONFIGURATION
    Configuration can be done in your Dancer config file.

  simple example
    Here is a simple example. It defines one database named "default":

        plugins:
          DBIC:
            default:
              dsn: dbi:SQLite:dbname=myapp.db
              schema_class: MyApp::Schema

  multiple schemas
    In this example, there are 2 databases configured named "default" and
    "foo":

        plugins:
          DBIC:
            default:
              dsn: dbi:SQLite:dbname=myapp.db
              schema_class: MyApp::Schema
            foo:
              dsn: dbi:Pg:dbname=foo
              schema_class: Foo::Schema
              user: bob
              password: secret
              options:
                RaiseError: 1
                PrintError: 1

    Each database configured must at least have a dsn option. The dsn option
    should be the DBI driver connection string. All other options are
    optional.

    If you only have one schema configured, or one of them is named
    "default", you can call "schema" without an argument to get the only or
    "default" schema, respectively.

    If a schema_class option is not provided, then
    DBIx::Class::Schema::Loader will be used to dynamically load the schema
    by introspecting the database corresponding to the dsn value. You need
    DBIx::Class::Schema::Loader installed for this to work.

    WARNING: Dynamic loading is not recommended for production environments.
    It is almost always better to provide a schema_class option.

    The schema_class option should be the name of your DBIx::Class::Schema
    class. See "SCHEMA GENERATION" Optionally, a database configuration may
    have user, password, and options parameters as described in the
    documentation for "connect()" in DBI.

  connect_info
    Alternatively, you may also declare your connection information inside
    an array named "connect_info":

        plugins:
          DBIC:
            default:
              schema_class: MyApp::Schema
              connect_info:
                - dbi:Pg:dbname=foo
                - bob
                - secret
                -
                  RaiseError: 1
                  PrintError: 1

  replicated
    You can also add database read slaves to your configuration with the
    "replicated" config option. This will automatically make your read
    queries go to a slave and your write queries go to the master. Keep in
    mind that this will require additional dependencies:
    DBIx::Class::Optional::Dependencies#Storage::Replicated See
    DBIx::Class::Storage::DBI::Replicated for more details. Here is an
    example configuration that adds two read slaves:

        plugins:
          DBIC:
            default:
              schema_class: MyApp::Schema
              dsn: dbi:Pg:dbname=master
              replicated:
                balancer_type: ::Random     # optional
                balancer_args:              # optional
                    auto_validate_every: 5  # optional
                    master_read_weight:1    # optional
                # pool_type and pool_args are also allowed and are also optional
                replicants:
                  -
                    - dbi:Pg:dbname=slave1
                    - user1
                    - password1
                    -
                      quote_names: 1
                      pg_enable_utf8: 1
                  -
                    - dbi:Pg:dbname=slave2
                    - user2
                    - password2
                    -
                      quote_names: 1
                      pg_enable_utf8: 1

  alias
    Schema aliases allow you to reference the same underlying database by
    multiple names. For example:

        plugins:
          DBIC:
            default:
              dsn: dbi:Pg:dbname=master
              schema_class: MyApp::Schema
            slave1:
              alias: default

    Now you can access the default schema with "schema()",
    "schema('default')", or "schema('slave1')". This can come in handy if,
    for example, you have master/slave replication in your production
    environment but only a single database in your development environment.
    You can continue to reference "schema('slave1')" in your code in both
    environments by simply creating a schema alias in your development.yml
    config file, as shown above.

FUNCTIONS
  schema
        my $user = schema->resultset('User')->find('bob');

    The "schema" keyword returns a DBIx::Class::Schema object ready for you
    to use. If you have configured only one database, then you can simply
    call "schema" with no arguments. If you have configured multiple
    databases, you can still call "schema" with no arguments if there is a
    database named "default" in the configuration. With no argument, the
    "default" schema is returned. Otherwise, you must provide "schema()"
    with the name of the database:

        my $user = schema('foo')->resultset('User')->find('bob');

  resultset
    This is a convenience method that will save you some typing. Use this
    only when accessing the "default" schema.

        my $user = resultset('User')->find('bob');

    is equivalent to:

        my $user = schema->resultset('User')->find('bob');

  rset
        my $user = rset('User')->find('bob');

    This is simply an alias for "resultset".

SCHEMA GENERATION
    Setting the schema_class option and having proper DBIx::Class classes is
    the recommended approach for performance and stability. You can use the
    dbicdump command line tool provided by DBIx::Class::Schema::Loader to
    help you. For example, if your app were named Foo, then you could run
    the following from the root of your project directory:

        dbicdump -o dump_directory=./lib Foo::Schema dbi:SQLite:/path/to/foo.db

    For this example, your "schema_class" setting would be 'Foo::Schema'.

SEE ALSO
    *   DBICx::Sugar

CONTRIBUTORS
    *   Alexis Sukrieh <sukria@sukria.net>

    *   Dagfinn Ilmari Mannsåker <<https://github.com/ilmari>>

    *   David Precious <davidp@preshweb.co.uk>

    *   Fabrice Gabolde <<https://github.com/fgabolde>>

    *   Franck Cuny <franck@lumberjaph.net>

    *   Steven Humphrey <<https://github.com/shumphrey>>

    *   Yanick Champoux <<https://github.com/yanick>>

AUTHORS
    *   Al Newkirk <awncorp@cpan.org>

    *   Naveed Massjouni <naveed@vt.edu>

COPYRIGHT AND LICENSE
    This software is copyright (c) 2010 by awncorp.

    This is free software; you can redistribute it and/or modify it under
    the same terms as the Perl 5 programming language system itself.