On Tue, 2012-09-04 at 19:21 +0400, Alexander Korotkov wrote: > New version of patch is attached. Parameter "randomization" was > introduced. It controls whether to randomize choose. Choose algorithm > was rewritten. > Do you expect it to be bad in any reasonable situations? I'm inclined to just make it always randomize if it's better. I think it would be hard for a user to guess when it's better and when not.
Maybe it's useful to turn randomization off for testing purposes, e.g. to ensure determinism? Regards, Jeff Davis -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers