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

Álvaro Herrera      
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services

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