Hello All,

I'm trying to GRANT ALL to a user only on DBs that math a prefix, but i 
can't find the way to so it on the documentation. Let's assume the username 
is "john". I want him to have all privileges only on databases with the 
prefix john, so he can:

- create and drop databases starting ONLY with john (like john_sessions, 
john123, john_mytest, john_mail, etc)
- have any kind of privileges on such databases

According to the documentation, i can use % and _ as wildcards. However, 
mysql gives my an error if i try to use % wildcard. Only _ wildcard is 
accepted, but the following example:

GRANT ALL ON JOHN_.* to 'JOHN'@'%' IDENTIFIED BY 'foo';

..only allows user john to create databases starting with john, followed by 
ONE single character. Using this, i can give 32 different grants in order to 
allow up to 32 characters after 'john', but i'm sure that's not the way.

If i try the wildcard %, i get an error. I've tried the following:

GRANT ALL ON JOHN%.* to 'JOHN'@'%' IDENTIFIED BY 'foo';
GRANT ALL ON 'JOHN%'.* to 'JOHN'@'%' IDENTIFIED BY 'foo';
GRANT ALL ON "JOHN%".* to 'JOHN'@'%' IDENTIFIED BY 'foo';
GRANT ALL ON 'JOHN%'.'*' to 'JOHN'@'%' IDENTIFIED BY 'foo';
GRANT ALL ON JOHN*.* to 'JOHN'@'%' IDENTIFIED BY 'foo';
GRANT ALL ON 'JOHN*'.* to 'JOHN'@'%' IDENTIFIED BY 'foo';

..and almost all similar ways. Am i missing something? I temporarily fixed 
the problem by directly editing mysql.db to change the wildcard _ for % in 
the respective record, and it works fine. However, i really want to know the 
right way to do it. I hope someone there gives me the answer.

Thanks a lot, have fun.

Francisco


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