1 package DBIx::Class::Storage::DBI::Oracle::Generic;
2 # -*- mode: cperl; cperl-indent-level: 2 -*-
9 DBIx::Class::Storage::DBI::Oracle - Automatic primary key class for Oracle
13 # In your table classes
14 __PACKAGE__->load_components(qw/PK::Auto Core/);
15 __PACKAGE__->add_columns({ id => { sequence => 'mysequence', auto_nextval => 1 } });
16 __PACKAGE__->set_primary_key('id');
17 __PACKAGE__->sequence('mysequence');
21 This class implements autoincrements for Oracle.
27 use Carp::Clan qw/^DBIx::Class/;
29 use base qw/DBIx::Class::Storage::DBI::MultiDistinctEmulation/;
31 # __PACKAGE__->load_components(qw/PK::Auto/);
33 sub _dbh_last_insert_id {
34 my ($self, $dbh, $source, @columns) = @_;
36 foreach my $col (@columns) {
37 my $seq = ($source->column_info($col)->{sequence} ||= $self->get_autoinc_seq($source,$col));
38 my $id = $self->_sequence_fetch( 'currval', $seq );
44 sub _dbh_get_autoinc_seq {
45 my ($self, $dbh, $source, $col) = @_;
47 # look up the correct sequence automatically
49 SELECT trigger_body FROM ALL_TRIGGERS t
50 WHERE t.table_name = ?
51 AND t.triggering_event = 'INSERT'
52 AND t.status = 'ENABLED'
55 # trigger_body is a LONG
56 $dbh->{LongReadLen} = 64 * 1024 if ($dbh->{LongReadLen} < 64 * 1024);
58 my $sth = $dbh->prepare($sql);
59 $sth->execute( uc($source->name) );
60 while (my ($insert_trigger) = $sth->fetchrow_array) {
61 return uc($1) if $insert_trigger =~ m!(\w+)\.nextval!i; # col name goes here???
63 $self->throw_exception("Unable to find a sequence INSERT trigger on table '" . $source->name . "'.");
68 Fetch nextval from sequence and handle insert statement.
73 my ( $self, $source, $to_insert ) = @_;
74 foreach my $col ( $source->columns ) {
75 if ( !defined $to_insert->{$col} ) {
76 my $col_info = $source->column_info($col);
78 if ( $col_info->{auto_nextval} ) {
79 $to_insert->{$col} = $self->_sequence_fetch( 'nextval', $col_info->{sequence} || $self->_dbh_get_autoinc_seq($self->dbh, $source) );
83 $self->next::method( $source, $to_insert );
87 my ( $self, $type, $seq ) = @_;
88 my ($id) = $self->dbh->selectrow_array("SELECT ${seq}.${type} FROM DUAL");
92 =head2 get_autoinc_seq
94 Returns the sequence name for an autoincrement column
99 my ($self, $source, $col) = @_;
101 $self->dbh_do($self->can('_dbh_get_autoinc_seq'), $source, $col);
104 =head2 columns_info_for
106 This wraps the superclass version of this method to force table
111 sub columns_info_for {
112 my ($self, $table) = @_;
114 $self->next::method(uc($table));
117 =head2 datetime_parser_type
119 This sets the proper DateTime::Format module for use with
120 L<DBIx::Class::InflateColumn::DateTime>.
124 sub datetime_parser_type { return "DateTime::Format::Oracle"; }
128 Andy Grundman <andy@hybridized.org>
130 Scott Connelly <scottsweep@yahoo.com>
134 You may distribute this code under the same terms as Perl itself.