Doctrine 2 association without foreign key constraints

Question

I\'m in the process of converting a legacy PHP application to Symfony 2. The application data is not very consistent at the moment, so I would like to avoid creating foreign

Answer 1

You have to set lost foreign keys to null, then you can set your contstraint. Following query gives you the ids from datasets to change:

select p.id from product p
left join manufacturer m on m.id=p.manufakturer_id
where m.id is null