I wrote: > It looks like the problem is we're building a MergeAppend plan and not > getting the targetlist for the MergeAppend node right. Found it --- simple oversight in building optimized min/max plans. If you need a patch now, see http://git.postgresql.org/gitweb/?p=postgresql.git;a=patch;h=5d0731da521f090f80ea39529fe274ac6d6bffa1 regards, tom lane -- Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general