CR_CONNECTION_ERROR  945 mysqlnd/mysqlnd.c 		SET_CLIENT_ERROR(*conn->error_info, CR_CONNECTION_ERROR, UNKNOWN_SQLSTATE, conn->error_info->error? conn->error_info->error:"Unknown error");
CR_CONNECTION_ERROR  124 mysqlnd/mysqlnd_net.c 		SET_CLIENT_ERROR(*error_info, CR_CONNECTION_ERROR, UNKNOWN_SQLSTATE, "Unknown errror while connecting");
CR_CONNECTION_ERROR  180 mysqlnd/mysqlnd_net.c 		errcode = CR_CONNECTION_ERROR;
CR_CONNECTION_ERROR  181 mysqlnd/mysqlnd_net.c 		SET_CLIENT_ERROR(*error_info, errcode? errcode:CR_CONNECTION_ERROR, UNKNOWN_SQLSTATE, errstr);
CR_CONNECTION_ERROR 1370 mysqlnd/mysqlnd_ps.c 			SET_STMT_ERROR(stmt, CR_CONNECTION_ERROR, UNKNOWN_SQLSTATE,