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  #1 (permalink)  
Old 04-29-2008, 08:28 PM
Chuck
 
Posts: n/a
Default querying the grant tables

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I'm a little fuzzy on the exact meanings of the columns in the grant
tables and the docs at mysql.com aren't very clear either. Is there a
query I can write to determine who has the ability to run "drop database"?

Would it be this?

select host,user
from mysql.user
where drop_priv = 'Y';

Searching the docs for "drop_priv" brings up a page that lumps together
the column defs for several of the grant tables but doesn't clearly
state whether mysql.user.drop_user is for "drop table", "drop database",
or both.

TIA
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  #2 (permalink)  
Old 05-02-2008, 05:05 AM
sheel331@yahoo.com
 
Posts: n/a
Default Re: querying the grant tables

On Apr 29, 3:13*pm, Chuck <skilover_nos...@bluebottle.com> wrote:
> -----BEGIN PGP SIGNED MESSAGE-----
> Hash: SHA1
>
> I'm a little fuzzy on the exact meanings of the columns in the grant
> tables and the docs at mysql.com aren't very clear either. Is there a
> query I can write to determine who has the ability to run "drop database"?
>
> Would it be this?
>
> select host,user
> from mysql.user
> where drop_priv = 'Y';
>
> Searching the docs for "drop_priv" brings up a page that lumps together
> the column defs for several of the grant tables but doesn't clearly
> state whether mysql.user.drop_user is for "drop table", "drop database",
> or both.
>
> TIA
> -----BEGIN PGP SIGNATURE-----
> Version: GnuPG v1.4.5 (GNU/Linux)
> Comment: Using GnuPG with PCLinuxOS -http://enigmail.mozdev.org
>
> iEYEARECAAYFAkgXgWcACgkQzIf+rZpn0oTcsgCdEyHktE09Kr 0u5d2FwfNm/Kk9
> cE4An3bt7ZHUbHskLRyZC5xzWVEYreE+
> =bcyw
> -----END PGP SIGNATURE-----


Good Morning Chuck,

I'm new to mysql as well, but from how I understand it, the drop_priv
is all inclusive...

Hope this helps!
Sheel Shah
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  #3 (permalink)  
Old 05-02-2008, 05:05 AM
Peter H. Coffin
 
Posts: n/a
Default Re: querying the grant tables

On Tue, 29 Apr 2008 20:13:27 GMT, Chuck wrote:

> I'm a little fuzzy on the exact meanings of the columns in the grant
> tables and the docs at mysql.com aren't very clear either. Is there
> a query I can write to determine who has the ability to run "drop
> database"?
>
> Would it be this?
>
> select host,user
> from mysql.user
> where drop_priv = 'Y';


This will pick up the users with global drop privs.

> Searching the docs for "drop_priv" brings up a page that lumps
> together the column defs for several of the grant tables but doesn't
> clearly state whether mysql.user.drop_user is for "drop table", "drop
> database", or both.


You'll find drop privs listed also in mysql.db for the individual
databases, and mysql.tables_priv if you want to get down that far.

In short, the list of IDs that can drop a database is those with
drop_priv ='Y' in users union those with db.drop_priv = 'Y' AND
user.drop_priv = 'N'

--
81. If I am fighting with the hero atop a moving platform, have disarmed him,
and am about to finish him off and he glances behind me and drops flat, I
too will drop flat instead of quizzically turning around to find out what
he saw. --Peter Anspach's list of things to do as an Evil Overlord
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