On Mar 21, 2007, at 5:11 AM, Tom Lane wrote:
> I'm inclined not to worry about these, since changing them can't
> 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(at)nasby(dot)net
EnterpriseDB http://enterprisedb.com 512.569.9461 (cell)
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