I wrote: > Just for fun, I hacked together a first cut at this. Oh, just for the archives: I forgot about not suppressing volatile expressions --- checking that would increase the cost of this significantly, though it's only another line or two. regards, tom lane -- Sent via pgsql-performance mailing list (pgsql-performance@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-performance
