On Mon, 5 Jan 2004, Bruno Wolff III wrote:
> On Mon, Jan 05, 2004 at 11:33:40 -0500,
> Vivek Khera <[EMAIL PROTECTED]> wrote:
> >
> > Thanks. Then it sorta makes it moot for me to try deferred checks,
> > since the Pimary and Foreign keys never change once set. I wonder
> > what is making the transactions appear to run lockstep, then...
>
> I think this is probably the issue with foreign key checks needing an
> exclusive lock, since there is no shared lock that will prevent deletes.
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But, if he's updating the fk table but not the keyed column, it should no
longer be doing the check and grabbing the locks. If he's seeing it grab
the row locks still a full test case would be handy because it'd probably
mean we missed something.
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