NAME

Class::DBI::Pg - Class::DBI extension for Postgres

SYNOPSIS

use strict;
use base qw(Class::DBI::Pg);

__PACKAGE__->set_db(Main => 'dbi:Pg:dbname=dbname', 'user', 'password');
__PACKAGE__->set_up_table('film');

DESCRIPTION

Class::DBI::Pg automate the setup of Class::DBI columns and primary key for Postgres.

select Postgres system catalog and find out all columns, primary key and SERIAL type column.

create table.

CREATE TABLE cd (
    id SERIAL NOT NULL PRIMARY KEY,
    title TEXT,
    artist TEXT,
    release_date DATE
);

setup your class.

package CD;
use strict;
use base qw(Class::DBI::Pg);

__PACKAGE__->set_db(Main => 'dbi:Pg:dbname=db', 'user', 'password');
__PACKAGE__->set_up_table('cd');

This is almost the same as the following way.

package CD;

use strict;
use base qw(Class::DBI);

__PACKAGE__->set_db(Main => 'dbi:Pg:dbname=db', 'user', 'password');
__PACKAGE__->table('cd');
__PACKAGE__->columns(Primary => 'id');
__PACKAGE__->columns(All => qw(id title artist release_date));
__PACKAGE__->sequence('cd_id_seq');

METHODS

set_up_table TABLENAME HASHREF

Declares the Class::DBI class specified by TABLENAME. HASHREF can specify options to when setting up the table.

ColumnGroup

You can specify the column group that you want your columns to be in.

$class->set_up_table($table,  { ColumnGroup => 'Essential' });

The default is 'All'

Primary

Overrides primary key setting. This can be useful when working with views instead of tables.

pg_version

Returns the postgres version that you are currently using.

AUTHOR

Daisuke Maki dmaki@cpan.org

AUTHOR EMERITUS

Sebastian Riedel, sri@oook.de IKEBE Tomohiro, ikebe@edge.co.jp

LICENSE

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

SEE ALSO

Class::DBI Class::DBI::mysql DBD::Pg