how to determine which types take a length argument

From: Robert Treat <xzilla(at)users(dot)sourceforge(dot)net>
To: pgsql-hackers(at)postgresql(dot)org
Subject: how to determine which types take a length argument
Date: 2006-08-09 14:44:22
Message-ID: 200608091044.22796.xzilla@users.sourceforge.net
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Is there a way to determine which datatypes take a length argument (eg.
varchar, time, etc...) by looking in the system catalogs? pg_type doesnt seem
to have the info... or is there a single place in the back end code that
contains this info?

--
Robert Treat
Build A Brighter LAMP :: Linux Apache {middleware} PostgreSQL

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