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package DBIx::Class::Storage::DBI::Pg;
use strict;
use warnings;
use DBD::Pg;
use base qw/DBIx::Class::Storage::DBI/;
# __PACKAGE__->load_components(qw/PK::Auto/);
# Warn about problematic versions of DBD::Pg
warn "DBD::Pg 1.49 is strongly recommended"
if ($DBD::Pg::VERSION < 1.49);
sub last_insert_id {
my ($self,$source,$col) = @_;
my $seq = ($source->column_info($col)->{sequence} ||= $self->get_autoinc_seq($source,$col));
$self->_dbh->last_insert_id(undef,undef,undef,undef, {sequence => $seq});
}
sub get_autoinc_seq {
my ($self,$source,$col) = @_;
my @pri = $source->primary_columns;
my $dbh = $self->_dbh;
my ($schema,$table) = $source->name =~ /^(.+)\.(.+)$/ ? ($1,$2)
: (undef,$source->name);
while (my $col = shift @pri) {
my $info = $dbh->column_info(undef,$schema,$table,$col)->fetchrow_hashref;
if (defined $info->{COLUMN_DEF} and $info->{COLUMN_DEF} =~
/^nextval\(+'([^']+)'::(?:text|regclass)\)/)
{
my $seq = $1;
return $seq =~ /\./ ? $seq : $info->{TABLE_SCHEM} . "." . $seq; # may need to strip quotes -- see if this works
}
}
}
sub sqlt_type {
return 'PostgreSQL';
}
sub datetime_parser_type { return "DateTime::Format::Pg"; }
1;
=head1 NAME
DBIx::Class::Storage::DBI::Pg - Automatic primary key class for PostgreSQL
=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 PostgreSQL.
=head1 AUTHORS
Marcus Ramberg <m.ramberg@cpan.org>
=head1 LICENSE
You may distribute this code under the same terms as Perl itself.
=cut
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