From: Larry Rosenman <ler@lerctr.org>
To: Michael Glaesemann <grzm@myrealbox.com>
Cc: pgsql-sql@postgresql.org
Subject: Re: Query issue/8.0.1/Serendipity
Date: Tue, 8 Mar 2005 06:28:38 -0600
Message-ID: <200503080628.39117.ler@lerctr.org> (raw)
In-Reply-To: <a5c61556de7ac42a8e84e857dcff3988@myrealbox.com>
References: <200503080548.17179.ler@lerctr.org>
<a5c61556de7ac42a8e84e857dcff3988@myrealbox.com>
On Tuesday 08 March 2005 06:21 am, Michael Glaesemann wrote:
> Larry,
>
> Restating your SQL in a more reader-friendly form:
[snip]
>
This is from an error page (and machine generated to boot :) )
> I can see you're using a lot of left joins. You are beginning your left
> joins off of ec, so I believe neither e nor c can be referenced as join
> conditions. It might work if you reorder the first part of the FROM
> clause as the following:
>
> FROM serendipity_category c
> , serendipity_entrycat ec
> , serendipity_entries e
> LEFT OUTER JOIN serendipity_entryproperties ep_cache_extended
>
> (Thugh I can't be sure without seeing table definitions.)
a pg_dump -s is at:
http://www.lerctr.org/~ler/s9y.sql>
> It also appears you have a redundant e.timestamp constraint in the
> WHERE clause: if e.timestamp is >= 1110241185 it's definitely going to
> be <= 1112335200
this query is machine generated, so I'm sure it's based on timestamps.
>
> Hope this helps. I find white space helps me read my own SQL much more
> easily.
understood, as I said, it's machine generated :)
>
> Michael Glaesemann
> grzm myrealbox com
--
Larry Rosenman http://www.lerctr.org/~ler
Phone: +1 214-351-4152 E-Mail: ler@lerctr.org
US Mail: 3535 Gaspar Drive, Dallas, TX 75220-3611
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To: pgsql-sql@postgresql.org
Cc: ler@lerctr.org, grzm@myrealbox.com
Subject: Re: Query issue/8.0.1/Serendipity
In-Reply-To: <200503080628.39117.ler@lerctr.org>
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