Multi-column GIN

From: "Heikki Linnakangas" <heikki(at)enterprisedb(dot)com>
To: "Teodor Sigaev" <teodor(at)sigaev(dot)ru>
Cc: "Patches" <pgsql-patches(at)postgresql(dot)org>, "Pgsql Hackers" <pgsql-hackers(at)postgresql(dot)org>
Subject: Multi-column GIN
Date: 2008-07-04 08:26:01
Message-ID: 486DDE99.4050203@enterprisedb.com
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Dumb question:

What's the benefit of a multi-column GIN index over multiple
single-column GIN indexes?

--
Heikki Linnakangas
EnterpriseDB http://www.enterprisedb.com

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