On Sep 21, 4:09 pm, Marnen Laibow-Koser <rails-mailing-l...@andreas-
s.net> wrote:
> Frederick Cheung wrote:
> > On Sep 21, 3:57 pm, Marnen Laibow-Koser <rails-mailing-l...@andreas-
> > s.net> wrote:
> >> > key.save
> >> to PostgreSQL.
>
> > would have thought that Active Record's optimistic locking would do
> > the job - if upon saving you get a StaleObjectError you know that you
> > need to try again.
>
> Perhaps it would; I've never used ActiveRecord locking at all, so I'll
> defer to you here. However, I tend to think that locking should
> generally be implemented at the database level, not the application
> level, which is why I suggested pessimistic here. Am I missing
> something?
Well with optimistic locking it is ultimately the database enforcing
stuff - after all it is the only thing that can. If my memory is
correct the docs for optimistic locking have a decent explanation of
how it works.
Fred
>
>
>
> > Fred
>
> Best,
> --
> Marnen Laibow-Koserhttp://www.marnen.org
> [email protected]
> --
> Posted viahttp://www.ruby-forum.com/.
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