Simon Riggs <[EMAIL PROTECTED]> writes: > OK, that sounds good. Are you also working on transforming NOT IN into > different form? Or is that the same thing as (1)?
I'm not currently thinking about NOT IN. It could be transformed to an antijoin if we could prove that no nulls are involved, but that seems less than trivial as I noted earlier. regards, tom lane -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers