From: | Achilleus Mantzios <achill(at)matrix(dot)gatewaynet(dot)com> |
---|---|
To: | Ibrahim Tekin <itekin(at)gmail(dot)com> |
Cc: | Stefan Schwarzer <stefan(dot)schwarzer(at)grid(dot)unep(dot)ch>, <pgsql-sql(at)postgresql(dot)org> |
Subject: | Re: Avoid querying a specific field - how? |
Date: | 2006-02-21 17:06:39 |
Message-ID: | Pine.LNX.4.44.0602211906020.7427-100000@matrix.gatewaynet.com |
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Lists: | pgsql-sql |
O Ibrahim Tekin έγραψε στις Feb 21, 2006 :
> i may i misunderstood your question but it seems to me, partial indexes will
> work for you.
> check this example:
> http://www.postgresql.org/docs/8.1/interactive/indexes-partial.html#INDEXES-PARTIAL-EX2
>
> On 2/21/06, Stefan Schwarzer <stefan(dot)schwarzer(at)grid(dot)unep(dot)ch> wrote:
> >
> > Hi,
> >
> > does anyone know how to build a query that SELECTs all fields but not
> > a specific one? I have a couple of tables, holding statistical
> > information as well as the geospatial one (via Postgis). When I query
> > the table I'd like to query only the statistical part - not the
> > geospatial, which is not necessary and slows done incredibly the
> > query. I searched a bit within the Postgres SQL domain. It seems
> > there is an EXCEPT statement, but it seems that it works differently...
Why dont you exclude the geospatial fields??
If * is a must then build a view.
> >
> > Thanks for any help,
> >
> > Stef
> >
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>
--
-Achilleus
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