| 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 | 
| Views: | Whole Thread | Raw Message | Download mbox | Resend email | 
| Thread: | |
| Lists: | pgsql-general | 
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
GPG: 1024D/3E1D0C1C: CA12 09E0 E8D5 8870 5839  932A 614D 4C34 3E1D 0C1C
     "The LORD is my light and my salvation; whom shall I 
      fear? the LORD is the strength of my life; of whom 
      shall I be afraid?"           Psalms 27:1 
| From | Date | Subject | |
|---|---|---|---|
| Next Message | Thomas T. Thai | 2002-03-06 06:51:15 | Re: help with getting index scan | 
| Previous Message | Marshall Spight | 2002-03-06 06:20:09 | Re: Conditional Statement |