- userid varchar (128) not null,
- sender varchar (128) not null,
- subject varchar (255),
- timestamp datetime,
- data longblob,
- key user_index (userid),
- foreign key (userid) references user (userid) on delete cascade,
+ userid varchar (128) not null,
+ sender varchar (128) not null,
+ subject varchar (255),
+ timestamp datetime,
+ data longblob,
+ key user_index (userid),
+ foreign key (userid) references user (userid) on delete cascade,