On Tue, Oct 24, 2017 at 9:28 PM, Tom Lane <t...@sss.pgh.pa.us> wrote: > I don't like changing well-defined, user-visible query behavior for > no other reason than a performance gain (of a size that hasn't even > been shown to be interesting, btw). Will we change it back in another > ten years if the performance tradeoff changes? > > Also, if I recall the old discussion properly, one concern was getting > uniform behavior across different platforms. I'm worried that if we do > what Andres suggests, we'll get behavior that is not only different but > platform-specific. Now, to the extent that you believe that every modern > platform implements edge-case IEEE float behavior the same way, that worry > may be obsolete. But I don't think I believe that.
Yeah, those are reasonable concerns. -- Robert Haas EnterpriseDB: http://www.enterprisedb.com The Enterprise PostgreSQL Company -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
