Philip Warner <[EMAIL PROTECTED]> writes: > At 17:16 19/11/00 -0500, Tom Lane wrote: >> http://www.postgresql.org/cgi/cvsweb.cgi/pgsql/src/backend/utils/fmgr/README > There is no mention of the handling of toasted values for old C functions. Did you not read to the end? : To allow old-style dynamic functions to work safely on toastable datatypes, : the handler for old-style functions will automatically detoast toastable : arguments before passing them to the old-style function. A new-style : function is expected to take care of toasted arguments by using the : standard argument access macros defined above. regards, tom lane