Silence with_deferred_fk_checks() warning on PostgreSQL 9.4
[dbsrgits/DBIx-Class.git] / lib / DBIx / Class / ResultSourceProxy / Table.pm
1 package DBIx::Class::ResultSourceProxy::Table;
2
3 use strict;
4 use warnings;
5
6 use base qw/DBIx::Class::ResultSourceProxy/;
7
8 use DBIx::Class::ResultSource::Table;
9 use Scalar::Util 'blessed';
10 use namespace::clean;
11
12 __PACKAGE__->mk_classdata(table_class => 'DBIx::Class::ResultSource::Table');
13
14 __PACKAGE__->mk_classdata('table_alias'); # FIXME: Doesn't actually do
15                                           # anything yet!
16
17 sub _init_result_source_instance {
18     my $class = shift;
19
20     $class->mk_classdata('result_source_instance')
21         unless $class->can('result_source_instance');
22
23     my $table = $class->result_source_instance;
24     my $class_has_table_instance = ($table and $table->result_class eq $class);
25     return $table if $class_has_table_instance;
26
27     my $table_class = $class->table_class;
28     $class->ensure_class_loaded($table_class);
29
30     if( $table ) {
31         $table = $table_class->new({
32             %$table,
33             result_class => $class,
34             source_name => undef,
35             schema => undef
36         });
37     }
38     else {
39         $table = $table_class->new({
40             name            => undef,
41             result_class    => $class,
42             source_name     => undef,
43         });
44     }
45
46     $class->result_source_instance($table);
47
48     return $table;
49 }
50
51 =head1 NAME
52
53 DBIx::Class::ResultSourceProxy::Table - provides a classdata table
54 object and method proxies
55
56 =head1 SYNOPSIS
57
58   __PACKAGE__->table('cd');
59   __PACKAGE__->add_columns(qw/cdid artist title year/);
60   __PACKAGE__->set_primary_key('cdid');
61
62 =head1 METHODS
63
64 =head2 add_columns
65
66   __PACKAGE__->add_columns(qw/cdid artist title year/);
67
68 Adds columns to the current class and creates accessors for them.
69
70 =cut
71
72 =head2 table
73
74   __PACKAGE__->table('tbl_name');
75
76 Gets or sets the table name.
77
78 =cut
79
80 sub table {
81   my ($class, $table) = @_;
82   return $class->result_source_instance->name unless $table;
83
84   unless (blessed $table && $table->isa($class->table_class)) {
85
86     my $table_class = $class->table_class;
87     $class->ensure_class_loaded($table_class);
88
89     $table = $table_class->new({
90         $class->can('result_source_instance')
91           ? %{$class->result_source_instance||{}}
92           : ()
93         ,
94         name => $table,
95         result_class => $class,
96     });
97   }
98
99   $class->mk_classdata('result_source_instance')
100     unless $class->can('result_source_instance');
101
102   $class->result_source_instance($table);
103
104   return $class->result_source_instance->name;
105 }
106
107 =head2 table_class
108
109   __PACKAGE__->table_class('DBIx::Class::ResultSource::Table');
110
111 Gets or sets the table class used for construction and validation.
112
113 =head2 has_column
114
115   if ($obj->has_column($col)) { ... }
116
117 Returns 1 if the class has a column of this name, 0 otherwise.
118
119 =head2 column_info
120
121   my $info = $obj->column_info($col);
122
123 Returns the column metadata hashref for a column. For a description of
124 the various types of column data in this hashref, see
125 L<DBIx::Class::ResultSource/add_column>
126
127 =head2 columns
128
129   my @column_names = $obj->columns;
130
131 =head1 FURTHER QUESTIONS?
132
133 Check the list of L<additional DBIC resources|DBIx::Class/GETTING HELP/SUPPORT>.
134
135 =head1 COPYRIGHT AND LICENSE
136
137 This module is free software L<copyright|DBIx::Class/COPYRIGHT AND LICENSE>
138 by the L<DBIx::Class (DBIC) authors|DBIx::Class/AUTHORS>. You can
139 redistribute it and/or modify it under the same terms as the
140 L<DBIx::Class library|DBIx::Class/COPYRIGHT AND LICENSE>.
141
142 =cut
143
144 1;
145
146