PARAM_FREED
select_return_implies_hook(PARAM_FREED, &set_param_freed);
select_return_states_hook(PARAM_FREED, &set_param_freed);
select_return_implies_hook(PARAM_FREED, &set_param_freed);
sql_insert_return_implies(PARAM_FREED, param, param_name, "1");
sql_insert_return_states(return_id, return_ranges, PARAM_FREED,
select_return_states_hook(PARAM_FREED, &set_param_freed);