Please explain the gin index

From: Kevin Murphy <murphy(at)genome(dot)chop(dot)edu>
To: PostgreSQL general <pgsql-general(at)postgresql(dot)org>
Subject: Please explain the gin index
Date: 2006-07-18 14:44:36
Message-ID: 44BCF3D4.4080000@genome.chop.edu
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PG tsearch2 users,

I notice there is an 8.1 backport of tsearch2 for 8.2
(http://www.sai.msu.su/~megera/oddmuse/index.cgi/Tsearch2WhatsNew)

Has anybody used this?

What are the performance differences between the new GIN index and GIST?

Thanks,
Kevin Murphy

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