Re: small exclusion constraints patch
Tom Lane <tgl@sss.pgh.pa.us>
From: Tom Lane <tgl@sss.pgh.pa.us>
To: Jeff Davis <pgsql@j-davis.com>
Cc: pgsql-hackers@postgresql.org
Date: 2010-07-16T00:46:22Z
Lists: pgsql-hackers
Jeff Davis <pgsql@j-davis.com> writes: > Currently, the check for exclusion constraints performs a sanity check > that's slightly too strict -- it assumes that a tuple will conflict with > itself. That is not always the case: the operator might be "<>", in > which case it's perfectly valid for the search for conflicts to not find > itself. > This patch simply removes that sanity check, and leaves a comment in > place. Applied (for 9.1 only). regards, tom lane