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843f8ecd |
1 | package DBIx::Class::Storage::DBI::Pg; |
2 | |
3 | use strict; |
4 | use warnings; |
5 | |
6 | use base qw/DBIx::Class::Storage::DBI/; |
7 | |
8 | # __PACKAGE__->load_components(qw/PK::Auto/); |
9 | |
17614944 |
10 | # Warn about problematic versions of DBD::Pg |
11 | warn "DBD::Pg 1.49 is strongly recommended" |
12 | if ($DBD::Pg::VERSION < 1.49); |
13 | |
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14 | sub last_insert_id { |
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15 | my ($self,$source,$col) = @_; |
16 | my $seq = ($source->column_info($col)->{sequence} ||= $self->get_autoinc_seq($source,$col)); |
17 | $self->_dbh->last_insert_id(undef,undef,undef,undef, {sequence => $seq}); |
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18 | } |
19 | |
20 | sub get_autoinc_seq { |
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21 | my ($self,$source,$col) = @_; |
22 | |
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23 | my @pri = $source->primary_columns; |
24 | my $dbh = $self->_dbh; |
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25 | my ($schema,$table) = $source->name =~ /^(.+)\.(.+)$/ ? ($1,$2) |
26 | : (undef,$source->name); |
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27 | while (my $col = shift @pri) { |
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28 | my $info = $dbh->column_info(undef,$schema,$table,$col)->fetchrow_hashref; |
29 | if (defined $info->{COLUMN_DEF} and $info->{COLUMN_DEF} =~ |
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30 | /^nextval\(+'([^']+)'::(?:text|regclass)\)/) |
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31 | { |
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32 | my $seq = $1; |
33 | return $seq =~ /\./ ? $seq : $info->{TABLE_SCHEM} . "." . $seq; # may need to strip quotes -- see if this works |
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34 | } |
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35 | } |
36 | } |
37 | |
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38 | sub sqlt_type { |
39 | return 'PostgreSQL'; |
40 | } |
41 | |
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42 | sub datetime_parser_type { return "DateTime::Format::Pg"; } |
43 | |
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44 | 1; |
45 | |
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46 | =head1 NAME |
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47 | |
48 | DBIx::Class::Storage::DBI::Pg - Automatic primary key class for PostgreSQL |
49 | |
50 | =head1 SYNOPSIS |
51 | |
52 | # In your table classes |
53 | __PACKAGE__->load_components(qw/PK::Auto Core/); |
54 | __PACKAGE__->set_primary_key('id'); |
55 | __PACKAGE__->sequence('mysequence'); |
56 | |
57 | =head1 DESCRIPTION |
58 | |
59 | This class implements autoincrements for PostgreSQL. |
60 | |
61 | =head1 AUTHORS |
62 | |
63 | Marcus Ramberg <m.ramberg@cpan.org> |
64 | |
65 | =head1 LICENSE |
66 | |
67 | You may distribute this code under the same terms as Perl itself. |
68 | |
69 | =cut |