ManyToMany relationship with extra fields in symfony2 orm doctrine

Question

Hi i have that same question as here: Many-to-many self relation with extra fields? but i cant find an answer :/ I tried first ManyToOne and at the other site OneToMany ... but

Answer 1

I was trying to have a many to many relationship with extra fields, and couldn't make it work either... The thing I read in a forum (can't remember where) was:

If you add data to a relationship, then it's not a relationship anymore. It's a new entity.

And it's the right thing to do. Create a new entity with the new fields, and if you need it, create a custom repository to add the methods you need.

A <--- Many to many with field ---> B

would become

A --One to many--> C (with new fields) <-- One to many--B

and of course, C has ManyToOne relationships with both A and B.

I searched everywhere on how to do this, but in the end, it's the right thing to do, if you add data, it's no longer a relationship.

You can also copy what contains usually do, or try to overwrite it in a custom repository, to do whatever you need it to do.

I hope this helps.