covering indexes?

From: Kevin Kempter <kevink(at)consistentstate(dot)com>
To: pgsql-general(at)postgresql(dot)org
Subject: covering indexes?
Date: 2009-02-12 15:09:38
Message-ID: 200902120809.39099.kevink@consistentstate.com
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Hi all;

I saw in the 8.1 release notes that a bug fix for covering index logic was
included. Can anyone point me to documentation on how to get PostgreSQL to
take advantage of a covering index (i.e. the query will return data only from
the index with no need to hit the table) ?

Thanks in advance...

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