Paul Wehr writes:
> A last try on this question. In the absence of any response, I'll assume
> the postgresql query optimizer simply doesn't take foreign keys into
> account in this way.
It does not, and never has, and yes there's a TODO item about that.
regards, tom lan
On Mon, Apr 13, 2009 at 2:36 PM, Paul Wehr
wrote:
>
> I am looking for a way to get the plan to show only a seq scan of test2,
> since test1 does not contribute any columns, and we know from the
> not-deferrable-not-null-primary-key that there will always be exactly one
> match.
>
> Am I just miss
On Mon, Apr 13, 2009 at 1:36 PM, Paul Wehr
wrote:
>
> A last try on this question. In the absence of any response, I'll assume
> the postgresql query optimizer simply doesn't take foreign keys into
> account in this way.
>
> Original Message
> Subject: Using foreign key constrai
A last try on this question. In the absence of any response, I'll assume
the postgresql query optimizer simply doesn't take foreign keys into
account in this way.
Original Message
Subject: Using foreign key constraint to eliminate unnecessary joins in
view
Date: Sun, 29 Mar 200