+__PACKAGE__->add_filter_specs(
+ part_type => sub {
+ my ($key, $value, $prefix) = @_;
+ return __PACKAGE__->type_filter($value, $prefix);
+ },
+ all => sub {
+ my ($key, $value, $prefix) = @_;
+ return or => [ map { $prefix . $_ => $value } qw(partnumber description) ]
+ }
+);