2010/8/29 Tom Lane <t...@sss.pgh.pa.us>: > Martijn van Oosterhout <klep...@svana.org> writes: >> On Sun, Aug 29, 2010 at 11:23:29AM -0400, Tom Lane wrote: >>> It has nothing to do with boolean operators, just double evaluation. > >> I was wondering, wouldn't it be possible to avoid the double evaluation >> by simply creating an extra slot for the intermediate value. > > Possibly, but the trick would be to figure out when to evaluate the > values so that it would still behave the same as without inlining. > I don't think the existing Param mechanism could do this without > some additional help. >
maybe subject for ToDo? Regards Pavel Stehule > 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
