Re: about truncate

On Thu, Jan 08, 2009 at 02:39:52PM +0200, Peter Eisentraut wrote:
> David Fetter wrote:
>> +1 for adding recursion to GRANT/REVOKE :)
>
> This area is under SQL standard control, so we can't really invent our
> own behavior.
>
> Consider the following:
>
> CREATE TABLE persons (name, email);
> CREATE TABLE employees (grade, salary) INHERITS (persons);
>
> GRANT SELECT ON persons TO allstaff; -- ???
> GRANT SELECT ON employees TO managers;
>
> What you want in practice is that allstaff can read only those columns
> of employees that come from the persons table. Both recursive and
> nonrecursive GRANT do the wrong thing here.

What *would* do the right thing here, or would anything?

Cheers,
David (not getting into the design decisions implicit in the above
tables, which IMHO is not right)
--
David Fetter <david(at)fetter(dot)org> http://fetter.org/
Phone: +1 415 235 3778 AIM: dfetter666 Yahoo!: dfetter
Skype: davidfetter XMPP: david(dot)fetter(at)gmail(dot)com

Remember to vote!
Consider donating to Postgres: http://www.postgresql.org/about/donate