/* reset list of sorted results and clear to relevance search */
se->sorted_results = nmem_malloc(se->nmem, sizeof(*se->sorted_results));
se->sorted_results->field = nmem_strdup(se->nmem, sort_field);
se->sorted_results->increasing = increasing;
se->sorted_results->position = position;
se->sorted_results->next = 0;
/* reset list of sorted results and clear to relevance search */
se->sorted_results = nmem_malloc(se->nmem, sizeof(*se->sorted_results));
se->sorted_results->field = nmem_strdup(se->nmem, sort_field);
se->sorted_results->increasing = increasing;
se->sorted_results->position = position;
se->sorted_results->next = 0;