+ struct session_handle *sh = (struct session_handle*) handle;
+ struct result_set *set = get_set(sh, rr->setname);
+
+ if (!set)
+ {
+ rr->errcode = YAZ_BIB1_SPECIFIED_RESULT_SET_DOES_NOT_EXIST;
+ rr->errstring = odr_strdup(rr->stream, rr->setname);
+ return 0;
+ }
+ do_delay(&set->present_delay);