Documentation updates from omega, carbon
[dbsrgits/DBIx-Class.git] / lib / DBIx / Class / PK / Auto.pm
1 package DBIx::Class::PK::Auto;
2
3 #use base qw/DBIx::Class::PK/;
4 use base qw/DBIx::Class/;
5 use strict;
6 use warnings;
7
8 =head1 NAME
9
10 DBIx::Class::PK::Auto - Automatic primary key class
11
12 =head1 SYNOPSIS
13
14 __PACKAGE__->load_components(qw/Core/);
15 __PACKAGE__->set_primary_key('id');
16
17 =head1 DESCRIPTION
18
19 This class overrides the insert method to get automatically incremented primary
20 keys.
21
22   __PACKAGE__->load_components(qw/Core/);
23
24 PK::Auto is now part of Core.
25
26 See L<DBIx::Class::Manual::Component> for details of component interactions.
27
28 =head1 LOGIC
29
30 C<PK::Auto> does this by letting the database assign the primary key field and
31 fetching the assigned value afterwards.
32
33 =head1 METHODS
34
35 =head2 insert
36
37 The code that was handled here is now in Row for efficiency.
38
39 =head2 sequence
40
41 Manually define the correct sequence for your table, to avoid the overhead
42 associated with looking up the sequence automatically.
43
44 =cut
45
46 sub sequence {
47     my ($self,$seq) = @_;
48     foreach my $pri ($self->primary_columns) {
49         $self->column_info($pri)->{sequence} = $seq;
50     }
51 }
52
53 1;
54
55 =head1 AUTHORS
56
57 Matt S. Trout <mst@shadowcatsystems.co.uk>
58
59 =head1 LICENSE
60
61 You may distribute this code under the same terms as Perl itself.
62
63 =cut