Re: Functions too slow, even with iscachable?

From: Philip Warner <pjw(at)rhyme(dot)com(dot)au>
To: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Ang Chin Han <angch(at)pintoo(dot)com>
Cc: pgsql-sql(at)postgresql(dot)org
Subject: Re: Functions too slow, even with iscachable?
Date: 2000-08-07 15:07:38
Message-ID: 3.0.5.32.20000808010738.0281eca0@mail.rhyme.com.au
Views: Raw Message | Whole Thread | Download mbox | Resend email
Thread:
Lists: pgsql-sql

At 10:58 7/08/00 -0400, Tom Lane wrote:
>
>Looks like we need to teach the optimizer that expressions involving
>params can be treated like simple params for the purposes of
>optimization.
>

So long as the function is cacheable...

----------------------------------------------------------------
Philip Warner | __---_____
Albatross Consulting Pty. Ltd. |----/ - \
(A.C.N. 008 659 498) | /(@) ______---_
Tel: (+61) 0500 83 82 81 | _________ \
Fax: (+61) 0500 83 82 82 | ___________ |
Http://www.rhyme.com.au | / \|
| --________--
PGP key available upon request, | /
and from pgp5.ai.mit.edu:11371 |/

In response to

Responses

Browse pgsql-sql by date

  From Date Subject
Next Message Rob van der Leek 2000-08-07 15:17:09 Changing user passwords
Previous Message Tom Lane 2000-08-07 14:58:27 Re: Functions too slow, even with iscachable?