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package DBIx::Class::Storage::DBI::Oracle;
use strict;
use warnings;
use Carp qw/croak/;
use base qw/DBIx::Class::Storage::DBI::MultiDistinctEmulation/;
# __PACKAGE__->load_components(qw/PK::Auto/);
sub last_insert_id {
my ($self,$source,$col) = @_;
my $seq = ($source->column_info($col)->{sequence} ||= $self->get_autoinc_seq($source,$col));
my $sql = "SELECT " . $seq . ".currval FROM DUAL";
my ($id) = $self->_dbh->selectrow_array($sql);
return $id;
}
sub get_autoinc_seq {
my ($self,$source,$col) = @_;
# look up the correct sequence automatically
my $dbh = $self->_dbh;
my $sql = q{
SELECT trigger_body FROM ALL_TRIGGERS t
WHERE t.table_name = ?
AND t.triggering_event = 'INSERT'
AND t.status = 'ENABLED'
};
# trigger_body is a LONG
$dbh->{LongReadLen} = 64 * 1024 if ($dbh->{LongReadLen} < 64 * 1024);
my $sth = $dbh->prepare($sql);
$sth->execute( uc($source->name) );
while (my ($insert_trigger) = $sth->fetchrow_array) {
return uc($1) if $insert_trigger =~ m!(\w+)\.nextval!i; # col name goes here???
}
croak "Unable to find a sequence INSERT trigger on table '" . $source->name . "'.";
}
sub columns_info_for {
my ($self, $table) = @_;
$self->next::method(uc($table));
}
1;
=head1 NAME
DBIx::Class::Storage::DBI::Oracle - Automatic primary key class for Oracle
=head1 SYNOPSIS
# In your table classes
__PACKAGE__->load_components(qw/PK::Auto Core/);
__PACKAGE__->set_primary_key('id');
__PACKAGE__->sequence('mysequence');
=head1 DESCRIPTION
This class implements autoincrements for Oracle.
=head1 AUTHORS
Andy Grundman <andy@hybridized.org>
Scott Connelly <scottsweep@yahoo.com>
=head1 LICENSE
You may distribute this code under the same terms as Perl itself.
=cut
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