use strict;
use warnings;
-use Carp qw/croak/;
-
use base qw/DBIx::Class::Storage::DBI/;
-# __PACKAGE__->load_components(qw/PK::Auto/);
+sub _rebless {
+ my ($self) = @_;
-sub last_insert_id {
- my ($self, $source) = shift;
- $self->get_autoinc_seq($source) unless $self->{_autoinc_seq};
- my $sql = "SELECT " . $self->{_autoinc_seq} . ".currval FROM DUAL";
- my ($id) = $self->_dbh->selectrow_array($sql);
- return $id;
-}
+ my $version = eval { $self->_dbh->get_info(18); };
+
+ if ( !$@ ) {
+ my ($major, $minor, $patchlevel) = split(/\./, $version);
+
+ # Default driver
+ my $class = $major <= 8
+ ? 'DBIx::Class::Storage::DBI::Oracle::WhereJoins'
+ : 'DBIx::Class::Storage::DBI::Oracle::Generic';
-sub get_autoinc_seq {
- my ($self, $source) = shift;
-
- # return the user-defined sequence if known
- if ($source->sequence) {
- return $self->{_autoinc_seq} = $source->sequence;
- }
-
- # look up the correct sequence automatically
- my $dbh = $self->_dbh;
- my $sql = qq{
- 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) = $sth->fetchrow_array) {
- if ($insert_trigger =~ m!(\w+)\.nextval!i ) {
- $self->{_autoinc_seq} = uc($1);
+ # Load and rebless
+ eval "require $class";
+
+ bless $self, $class unless $@;
}
- }
- unless ($self->{_autoinc_seq}) {
- croak "Unable to find a sequence INSERT trigger on table '" . $self->_table_name . "'.";
- }
+}
+
+sub _svp_begin {
+ my ($self, $name) = @_;
+
+ $self->dbh->do("SAVEPOINT $name");
+}
+
+# Would've implemented _svp_release here, but Oracle doesn't support it.
+
+sub _svp_rollback {
+ my ($self, $name) = @_;
+
+ $self->dbh->do("ROLLBACK TO SAVEPOINT $name")
}
1;
-=head1 NAME
+=head1 NAME
-DBIx::Class::Storage::DBI::Oracle - Automatic primary key class for Oracle
+DBIx::Class::Storage::DBI::Oracle - Base class for Oracle driver
=head1 SYNOPSIS
# In your table classes
- __PACKAGE__->load_components(qw/PK::Auto Core/);
- __PACKAGE__->set_primary_key('id');
- __PACKAGE__->sequence('mysequence');
+ __PACKAGE__->load_components(qw/Core/);
=head1 DESCRIPTION
-This class implements autoincrements for Oracle.
+This class simply provides a mechanism for discovering and loading a sub-class
+for a specific version Oracle backend. It should be transparent to the user.
-=head1 AUTHORS
+For Oracle major versions <= 8 it loads the ::Oracle::WhereJoins subclass,
+which unrolls the ANSI join style DBIC normally generates into entries in
+the WHERE clause for compatibility purposes. To force usage of this version
+no matter the database version, add
-Andy Grundman <andy@hybridized.org>
+ __PACKAGE__->storage_type('::DBI::Oracle::WhereJoins');
+
+to your Schema class.
+
+=head1 AUTHORS
-Scott Connelly <scottsweep@yahoo.com>
+David Jack Olrik C<< <djo@cpan.org> >>
=head1 LICENSE