Commit | Line | Data |
843f8ecd |
1 | package DBIx::Class::Storage::DBI::Oracle; |
2 | |
3 | use strict; |
4 | use warnings; |
5 | |
6 | use Carp qw/croak/; |
7 | |
8 | use base qw/DBIx::Class::Storage::DBI/; |
9 | |
10 | # __PACKAGE__->load_components(qw/PK::Auto/); |
11 | |
12 | sub last_insert_id { |
13 | my ($self, $source) = shift; |
14 | $self->get_autoinc_seq($source) unless $self->{_autoinc_seq}; |
15 | my $sql = "SELECT " . $self->{_autoinc_seq} . ".currval FROM DUAL"; |
16 | my ($id) = $self->_dbh->selectrow_array($sql); |
17 | return $id; |
18 | } |
19 | |
20 | sub get_autoinc_seq { |
21 | my ($self, $source) = shift; |
22 | |
23 | # return the user-defined sequence if known |
24 | if ($source->sequence) { |
25 | return $self->{_autoinc_seq} = $source->sequence; |
26 | } |
27 | |
28 | # look up the correct sequence automatically |
29 | my $dbh = $self->_dbh; |
30 | my $sql = qq{ |
31 | SELECT trigger_body FROM ALL_TRIGGERS t |
32 | WHERE t.table_name = ? |
33 | AND t.triggering_event = 'INSERT' |
34 | AND t.status = 'ENABLED' |
35 | }; |
36 | # trigger_body is a LONG |
37 | $dbh->{LongReadLen} = 64 * 1024 if ($dbh->{LongReadLen} < 64 * 1024); |
38 | my $sth = $dbh->prepare($sql); |
39 | $sth->execute( uc($source->name) ); |
40 | while (my ($insert_trigger) = $sth->fetchrow_array) { |
41 | if ($insert_trigger =~ m!(\w+)\.nextval!i ) { |
42 | $self->{_autoinc_seq} = uc($1); |
43 | } |
44 | } |
45 | unless ($self->{_autoinc_seq}) { |
46 | croak "Unable to find a sequence INSERT trigger on table '" . $self->_table_name . "'."; |
47 | } |
48 | } |
49 | |
50 | 1; |
51 | |
52 | =head1 NAME |
53 | |
54 | DBIx::Class::Storage::DBI::Oracle - Automatic primary key class for Oracle |
55 | |
56 | =head1 SYNOPSIS |
57 | |
58 | # In your table classes |
59 | __PACKAGE__->load_components(qw/PK::Auto Core/); |
60 | __PACKAGE__->set_primary_key('id'); |
61 | __PACKAGE__->sequence('mysequence'); |
62 | |
63 | =head1 DESCRIPTION |
64 | |
65 | This class implements autoincrements for Oracle. |
66 | |
67 | =head1 AUTHORS |
68 | |
69 | Andy Grundman <andy@hybridized.org> |
70 | |
71 | Scott Connelly <scottsweep@yahoo.com> |
72 | |
73 | =head1 LICENSE |
74 | |
75 | You may distribute this code under the same terms as Perl itself. |
76 | |
77 | =cut |