On Mar 21, 2007, at 5:11 AM, Tom Lane wrote:
> constraint_exclusion
>
> I'm inclined not to worry about these, since changing them can't
> affect
> the semantics of the query, at worst its performance.
Hrm... wasn't that option added in case there was a bug in the
exclusion code? I certainly can't think of any performance reason why
you'd want to disable it... so it might be worth invalidating plans
if it changes.
--
Jim Nasby jim@nasby.net
EnterpriseDB http://enterprisedb.com 512.569.9461 (cell)