On Wed, Mar 23, 2011 at 6:00 PM, Tom Lane <t...@sss.pgh.pa.us> wrote: > Claudio Freire <klaussfre...@gmail.com> writes: >> In my head, safer = better worst-case performance. > > If the planner starts operating on the basis of worst case rather than > expected-case performance, the complaints will be far more numerous than > they are today.
I imagine, that's why, if you put my comment in context, I was talking about picking a safer plan only when the "better on average one" fails miserably. -- Sent via pgsql-performance mailing list (pgsql-performance@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-performance
