From: | John Smith <john_smith_45678(at)yahoo(dot)com> |
---|---|
To: | Stephan Szabo <sszabo(at)megazone23(dot)bigpanda(dot)com> |
Cc: | pgsql-general(at)postgresql(dot)org |
Subject: | Re: UPDATE slow |
Date: | 2003-02-04 23:07:11 |
Message-ID: | 20030204230711.95025.qmail@web40712.mail.yahoo.com |
Views: | Raw Message | Whole Thread | Download mbox | Resend email |
Thread: | |
Lists: | pgsql-general |
Think that makes sense ;). However, I just dropped all the foreign key constraints on stats and there wasn't any speed increase in the query. I've also tried dropping the index on clicks (no speed-up there either).
John
Stephan Szabo <sszabo(at)megazone23(dot)bigpanda(dot)com> wrote:
On Tue, 4 Feb 2003, Stephan Szabo wrote:
>
> On Tue, 4 Feb 2003, John Smith wrote:
>
> > I should also probably note that neither of the foreign key columns is being updated.
>
> It doesn't matter, unfortunately. It currently checks even in that case
> due to ON * SET DEFAULT having a failure case if you don't check when no
> keys are changed (if you remove the default - and you can't necessarily
> check this beforehand either if the defaults are not stable). Among the
> various changes I've been working with is making it only do the check if
> one of the set default cases is given or if the key changed.
I've actually got most of that done as part of the other patches I've been
working on. I could probably try to do the same to 7.3 (as opposed to
7.4 devel) and make a separate patch out of it.
---------------------------------
Do you Yahoo!?
Yahoo! Mail Plus - Powerful. Affordable. Sign up now
From | Date | Subject | |
---|---|---|---|
Next Message | Tilo Schwarz | 2003-02-04 23:09:33 | Re: Q: explain on delete |
Previous Message | Lee Harr | 2003-02-04 23:03:08 | Re: What is the safest way to get last insert ID of a serial column ? |