[RDBO] multiple $obj->add_foo() statements

Hi, If I instead of $p->add_prices ({ price => 7.89, region => 'DE' }, { price => 1.11, region => 'JP' }); $p->save; do $p->add_prices({ price => 7.89, region => 'DE' });, $p->add_prices({ price => 1.11, region => 'JP' });, $p->save; then it appear

[RDBO] Only the first unique key is used for load?

With RDBO 0.760 I have a class setup like the following, __PACKAGE__->meta->setup( table => 'users', columns => [ id => { type => 'integer', not_null => 1 }, email => { type => 'varchar', default => '', length => 255, not_null => 1 }, name =