Re: cast affects use of indexes ?

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Alex Vinogradovs <AVinogradovs(at)clearpathnet(dot)com>
Cc: pgsql-general <pgsql-general(at)postgresql(dot)org>
Subject: Re: cast affects use of indexes ?
Date: 2008-07-24 05:59:12
Message-ID: 20321.1216879152@sss.pgh.pa.us
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Alex Vinogradovs <AVinogradovs(at)clearpathnet(dot)com> writes:
> Is it possible to make it work properly without
> use of explicit casts ? Thanks!

Read
http://www.postgresql.org/docs/8.3/static/xindex.html
particularly the discussion of cross-type index operators.

regards, tom lane

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