void session_init_databases(struct session *s);
void statistics(struct session *s, struct statistics *stat);
-void session_sort(struct session *se, const char *field, int increasing);
+void session_sort(struct session *se, const char *field, int increasing,
+ int clear_set);
enum pazpar2_error_code session_search(struct session *s, const char *query,
const char *startrecs,