drop database if exists `testdb1`;
drop database if exists `testdb-1`;
drop database if exists `#mysql50#testdb-1`;
create database `testdb1`;
create database `#mysql50#testdb-1`;
create table `testdb1`.`t1` (a int);
create table `testdb1`.`#mysql50#t-1` (a int);
create table `#mysql50#testdb-1`.`t1` (a int);
create table `#mysql50#testdb-1`.`#mysql50#t-1` (a int);
show create database `testdb1`;
Database	Create Database
testdb1	CREATE DATABASE `testdb1` /*!40100 DEFAULT CHARACTER SET latin1 */
show create database `testdb-1`;
ERROR 42000: Unknown database 'testdb-1'
show create database `#mysql50#testdb-1`;
Database	Create Database
#mysql50#testdb-1	CREATE DATABASE `#mysql50#testdb-1` /*!40100 DEFAULT CHARACTER SET latin1 */
show tables in `testdb1`;
Tables_in_testdb1
#mysql50#t-1
t1
show tables in `#mysql50#testdb-1`;
Tables_in_#mysql50#testdb-1
#mysql50#t-1
t1
show create database `testdb1`;
Database	Create Database
testdb1	CREATE DATABASE `testdb1` /*!40100 DEFAULT CHARACTER SET latin1 */
show create database `testdb-1`;
Database	Create Database
testdb-1	CREATE DATABASE `testdb-1` /*!40100 DEFAULT CHARACTER SET latin1 */
show create database `#mysql50#testdb-1`;
ERROR 42000: Unknown database '#mysql50#testdb-1'
show tables in `testdb1`;
Tables_in_testdb1
t1
t-1
show tables in `testdb-1`;
Tables_in_testdb-1
t1
t-1
drop database `testdb1`;
drop database `testdb-1`;