Set foreign keys on children from associated parents when building

[mattwynne]

We're working in a context where we are creating associated records in our factories, and we set the parent record's ID as we build them.

e.g.

Factory.build(:wheel, 
  car: Factory.build(:car, car_id: "some-car-id")
)

We have noticed that when we use Factory.insert, wheel.car_id is set. We would like that same behaviour from build.

We've got a patch for this locally in our codebase, would it be useful to submit as a PR?

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[doomspork]

@mattwynne if you wouldn't mind opening a PR I'd be glad to look at the solution and discuss getting it into the repo if it makes sense!

[github-actions]

This issue has been automatically marked as "stale:discard". We are sorry that we haven't been able to prioritize it yet.
If this issue still relevant, please leave any comment if you have any new additional information that helps to solve this issue. We encourage you to create a pull request, if you can. We are happy to help you with that.