If you care about the nitty-gritty details, see http://www.postgresql.org/cgi/cvsweb.cgi/pgsql/src/backend/utils/fmgr/README particularly the final section "Telling the difference between old- and new-style functions". regards, tom lane
If you care about the nitty-gritty details, see http://www.postgresql.org/cgi/cvsweb.cgi/pgsql/src/backend/utils/fmgr/README particularly the final section "Telling the difference between old- and new-style functions". regards, tom lane