create table t1 (a char(20), unique (a(5))) type=innodb;
create table t1 (a char(20), unique (a(5))) type=innodb;
ERROR HY000: Incorrect sub part key. The used key part isn't a string, the used length is longer than the key part or the store engine doesn't support unique sub keys
ERROR HY000: Incorrect sub part key. The used key part isn't a string, the used length is longer than the key part or the storage engine doesn't support unique sub keys
create table t1 (a char(20), index (a(5))) type=innodb;
create table t1 (a char(20), index (a(5))) type=innodb;
ERROR HY000: Incorrect sub part key. The used key part isn't a string, the used length is longer than the key part or the store engine doesn't support unique sub keys
ERROR HY000: Incorrect sub part key. The used key part isn't a string, the used length is longer than the key part or the storage engine doesn't support unique sub keys
"Incorrect sub part key. The used key part isn't a string, the used length is longer than the key part or the store engine doesn't support unique sub keys",
"Incorrect sub part key. The used key part isn't a string, the used length is longer than the key part or the storage engine doesn't support unique sub keys",
"You can't delete all columns with ALTER TABLE. Use DROP TABLE instead",
"You can't delete all columns with ALTER TABLE. Use DROP TABLE instead",
"Can't DROP '%-.64s'. Check that column/key exists",
"Can't DROP '%-.64s'. Check that column/key exists",