Merge 'trunk' into 'DBIx-Class-current'
[dbsrgits/DBIx-Class-Historic.git] / lib / DBIx / Class / Storage / DBI / Oracle.pm
CommitLineData
843f8ecd 1package DBIx::Class::Storage::DBI::Oracle;
2
3use strict;
4use warnings;
5
6use Carp qw/croak/;
7
286f32b3 8use base qw/DBIx::Class::Storage::DBI::MultiDistinctEmulation/;
843f8ecd 9
10# __PACKAGE__->load_components(qw/PK::Auto/);
11
12sub last_insert_id {
ca48cd7d 13 my ($self,$source,$col) = @_;
14 my $seq = ($source->column_info($col)->{sequence} ||= $self->get_autoinc_seq($source,$col));
15 my $sql = "SELECT " . $seq . ".currval FROM DUAL";
843f8ecd 16 my ($id) = $self->_dbh->selectrow_array($sql);
75d07914 17 return $id;
843f8ecd 18}
19
20sub get_autoinc_seq {
ca48cd7d 21 my ($self,$source,$col) = @_;
22
843f8ecd 23 # look up the correct sequence automatically
24 my $dbh = $self->_dbh;
bb4069d6 25 my $sql = q{
843f8ecd 26 SELECT trigger_body FROM ALL_TRIGGERS t
27 WHERE t.table_name = ?
28 AND t.triggering_event = 'INSERT'
29 AND t.status = 'ENABLED'
30 };
31 # trigger_body is a LONG
32 $dbh->{LongReadLen} = 64 * 1024 if ($dbh->{LongReadLen} < 64 * 1024);
33 my $sth = $dbh->prepare($sql);
34 $sth->execute( uc($source->name) );
35 while (my ($insert_trigger) = $sth->fetchrow_array) {
ca48cd7d 36 return uc($1) if $insert_trigger =~ m!(\w+)\.nextval!i; # col name goes here???
843f8ecd 37 }
ca48cd7d 38 croak "Unable to find a sequence INSERT trigger on table '" . $source->name . "'.";
843f8ecd 39}
40
411;
42
75d07914 43=head1 NAME
843f8ecd 44
45DBIx::Class::Storage::DBI::Oracle - Automatic primary key class for Oracle
46
47=head1 SYNOPSIS
48
49 # In your table classes
50 __PACKAGE__->load_components(qw/PK::Auto Core/);
51 __PACKAGE__->set_primary_key('id');
52 __PACKAGE__->sequence('mysequence');
53
54=head1 DESCRIPTION
55
56This class implements autoincrements for Oracle.
57
58=head1 AUTHORS
59
60Andy Grundman <andy@hybridized.org>
61
62Scott Connelly <scottsweep@yahoo.com>
63
64=head1 LICENSE
65
66You may distribute this code under the same terms as Perl itself.
67
68=cut