Tom Lane wrote: > Having said that, though, I believe that it's also probably a > *different* initial shuffle, which may well mean that GEQO gives > different plans in some cases. That doesn't bother me as long as > we only make the change in HEAD, but does anyone want to complain?
Uh, do we promise that plans found by geqo are stable? That would seem odd to me -- wouldn't they change shape on a whim, say because the stats are different? It seems odd to look for plan stability using a genetic algorithm. -- Álvaro Herrera http://www.2ndQuadrant.com/ PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
