Re: CHECK constraints and optimizations
Tom Lane <tgl@sss.pgh.pa.us>
From: Tom Lane <tgl@sss.pgh.pa.us>
To: Edmund Dengler <edmundd@eSentire.com>
Cc: pgsql-general@postgresql.org
Date: 2004-05-06T01:09:25Z
Lists: pgsql-general
Edmund Dengler <edmundd@eSentire.com> writes: > Just trying some tests out, and wanted to know about some optimizations. > If I do a CHECK constraint on a table, is this used to optimize a SELECT It is not. regards, tom lane