Ruby on Rails

John Merlino <stoicism1@...> writes:

>
> I tried doing this in subbook model:
>
> belongs_to :book
>
> before_create :add_sequence
>
> def add_sequence
> self.sequence = self.id
> end
>
> But that didn't do anything at all when running the seed task.
>
> Any idea how to update another field with id of record before that
> record is saved to database?
>
> Thanks for response
>

How can you update a record with the id when the id doesn't exist yet? You
can't. However, you might try changing your call to after_create rather than
before_create.

Mind you, this seems like replication of the id field anyway, so what's the
point?

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