Re: help with getting index scan

From: Oliver Elphick <olly(at)lfix(dot)co(dot)uk>
To: "Thomas T(dot) Thai" <tom(at)minnesota(dot)com>
Cc: Masaru Sugawara <rk73(at)sea(dot)plala(dot)or(dot)jp>, PostgreSQL General <pgsql-general(at)postgresql(dot)org>
Subject: Re: help with getting index scan
Date: 2002-03-06 06:34:58
Message-ID: 1015396500.1406.93.camel@linda
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On Wed, 2002-03-06 at 06:08, Thomas T. Thai wrote:
> On Wed, 6 Mar 2002, Masaru Sugawara wrote:
>
> Both of your queries generated an error:
>
> ERROR: parser: parse error at or near "WHERE"
>
> I can't see which where it is though.
>
> [...]
> > I would think there is obviously room for more research. To force the planner
> > use the InitPlan, my two queries are changed a bit:
> >
> > set enable_seqscan to on;
> > explain analyze --- (1')
> > SELECT *
> > FROM (SELECT p.name, p.address, p.city, p.state,
> > geo_distance((SELECT point(z.longitude, z.latitude)
> > FROM zipcodes AS z
> > WHERE z.zip_code='55404'),
> > point(p.long, p.lat)) as dist
> > FROM phone_address AS p,
> > (SELECT * FROM phone_cat WHERE nameftx ## 'salon') AS pc,
> > phone_cat_address AS pca,

probably that comma after pca

> > WHERE pc.cid = pca.cid AND pca.aid = p.aid
> > ) AS ss
> > WHERE ss.dist < 35
> > ORDER BY ss.dist
> > LIMIT 20;

--
Oliver Elphick Oliver(dot)Elphick(at)lfix(dot)co(dot)uk
Isle of Wight http://www.lfix.co.uk/oliver
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shall I be afraid?" Psalms 27:1

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