public static string switch_cache_db_execute_sql2str(SWIGTYPE_p_switch_cache_db_handle dbh, string sql, string str, uint len, ref string err) { string ret = freeswitchPINVOKE.switch_cache_db_execute_sql2str(SWIGTYPE_p_switch_cache_db_handle.getCPtr(dbh), sql, str, len, ref err); return ret; }