From: Neil Conway <neilc@samurai.com>
To: weigelt@metux.de
Cc: pgsql-performance@postgresql.org
Subject: Re: Index + mismatching datatypes [WAS: index on custom
Date: Mon, 07 Nov 2005 15:45:57 -0500
Message-ID: <1131396357.6884.110.camel@localhost.localdomain> (raw)
In-Reply-To: <20051107180738.GC15990@nibiru.local>
References: <1128352451.312090.37640@g44g2000cwa.googlegroups.com>
<20051006081919.GA17081@zoom.spline.inf.fu-berlin.de>
<20051107180738.GC15990@nibiru.local>
On Mon, 2005-07-11 at 19:07 +0100, Enrico Weigelt wrote:
> I've got a similar problem: I have to match different datatypes,
> ie. bigint vs. integer vs. oid.
>
> Of course I tried to use casted index (aka ON (foo::oid)), but
> it didn't work.
Don't include the cast in the index definition, include it in the query
itself:
SELECT ... FROM foo WHERE int8col = 5::int8
for example. Alternatively, upgrade to 8.0 or better, which doesn't
require this workaround.
-Neil
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To: pgsql-performance@postgresql.org
Cc: neilc@samurai.com, weigelt@metux.de
Subject: Re: Index + mismatching datatypes [WAS: index on custom
In-Reply-To: <1131396357.6884.110.camel@localhost.localdomain>
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