On Wed, 2007-09-26 at 00:02 -0400, Tom Lane wrote:
> Ow Mun Heng <[EMAIL PROTECTED]> writes:
> > Where can I erad more about this new "feature"?
>
> http://developer.postgresql.org/pgdocs/postgres/sql-createfunction.html
>
> http://developer.postgresql.org/pgdocs/postgres/ always has a current
>
Ow Mun Heng <[EMAIL PROTECTED]> writes:
> Where can I erad more about this new "feature"?
http://developer.postgresql.org/pgdocs/postgres/sql-createfunction.html
http://developer.postgresql.org/pgdocs/postgres/ always has a current
snapshot of CVS-HEAD documentation...
re
On Tue, 2007-09-25 at 11:31 +0200, Steinar H. Gunderson wrote:
> On Tue, Sep 25, 2007 at 12:53:55AM -0400, Carlo Stonebanks wrote:
> > My problem is that I think that SRF's are causing my problems. The SRF's
> > gets an automatic row estimate of 1000 rows. Add a condition to it, the
> > planner gue
On Tue, Sep 25, 2007 at 12:53:55AM -0400, Carlo Stonebanks wrote:
> My problem is that I think that SRF's are causing my problems. The SRF's
> gets an automatic row estimate of 1000 rows. Add a condition to it, the
> planner guesses 333 rows. Even at 333, this is an overestimate of the number
> of
To: Carlo Stonebanks
> Cc: pgsql-performance@postgresql.org
> Subject: Re: [PERFORM] REPOST: Nested loops row estimates always too high
>
> On Mon, 2007-09-24 at 14:12 -0400, Carlo Stonebanks wrote:
> > Has anyone offered any answers to you? No one else has replied to this
>
a great way to place the enterprise's
db-centric business logic at the server.
Carlo
-Original Message-
From: Ow Mun Heng [mailto:[EMAIL PROTECTED]
Sent: September 24, 2007 8:51 PM
To: Carlo Stonebanks
Cc: pgsql-performance@postgresql.org
Subject: Re: [PERFORM] REPOST: Nested loops
On Mon, 2007-09-24 at 14:12 -0400, Carlo Stonebanks wrote:
> Has anyone offered any answers to you? No one else has replied to this post.
Overestimate of selectivity. I guess it's mainly due to my one to many
table relationships. I've tried everything from concatenated join
columns and indexing it
Has anyone offered any answers to you? No one else has replied to this post.
"Ow Mun Heng" <[EMAIL PROTECTED]> wrote in message
news:[EMAIL PROTECTED]
On Thu, 2007-09-20 at 11:02 -0400, Carlo Stonebanks wrote:
(SORRY FOR THE REPOST, I DON'T SEE MY ORIGINAL QUESTION OR ANY ANSWERS
HERE)
I am
On Thu, 2007-09-20 at 11:02 -0400, Carlo Stonebanks wrote:
> (SORRY FOR THE REPOST, I DON'T SEE MY ORIGINAL QUESTION OR ANY ANSWERS HERE)
>
> I am noticing that my queries are spending a lot of time in nested loops.
> The table/index row estimates are not bad, but the nested loops can be off
> b