None numeric exclusion constraints using GIST

From: Richard Broersma <richard(dot)broersma(at)gmail(dot)com>
To: PostgreSQL List - Novice <pgsql-novice(at)postgresql(dot)org>
Subject: None numeric exclusion constraints using GIST
Date: 2011-05-05 15:14:05
Message-ID: BANLkTimizvxd+cenKRoSOCLpoXuOPV-fBQ@mail.gmail.com
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Is there provision for creating none numeric exclusion constraints on
GIST indexes?

From my reading of the following, ti doesn't appear to be possible:

http://www.postgresql.org/docs/9.1/static/sql-createtable.html#SQL-CREATETABLE-EXCLUDE
http://www.postgresql.org/docs/9.1/static/datatype-geometric.html
http://www.postgresql.org/docs/9.1/static/sql-createindex.html
http://www.depesz.com/index.php/2010/01/03/waiting-for-8-5-exclusion-constraints/

Is this correct?

--
Regards,
Richard Broersma Jr.

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