foreign key and not nullable generated id

[imho <si...@gmail.com>]

Hi all,
I noticed this problem : 
Due to the order of the sql statements, I need to allow nullable id on a
foreign key (I have entity A and entity B, which is thefk), because the
order of the statement result in : 
insert A and B
and THEN update A to set the id of B

So jpa need to make a first insert with a "default value" for the the B Id.
As it is not nullable, I have an exception.

What is the workaround? Change the id property to nullable works, but is not
really good because it means adapt my db model to the way the entities are
persisted.

Thank you!

imho
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