Re: Permissions

Tom Lane wrote:
> Milen Dzhumerov <gamehack(at)gmail(dot)com> writes:
>
>> I've been trying to figure a few things lately but I could not so I'm
>> asking on the list. I need to programmatically (through JDBC):
>>
>
>
>> 1. Figure out if the currently logged in user can create a schema
>> 2. Figure out if a role has USAGE privileges on a schema
>> 3. Figure out if a role has CREATE privileges on a schema
>> 4. Figure out if a user can create a table in a schema
>>
>
>
>> I've been reading the online docs but I could nowhere see any examples
>> of finding out that information through the information_schema schema. I
>> was advised not to poke around with the pg_* schemas since they can
>> change frequently.
>>
>
> Check out the has_foo_privilege family of functions:
> http://www.postgresql.org/docs/8.1/static/functions-info.html
>
>
>> I can retrieve all the necessary permissions for tables from the
>> information_schema.table_privileges table with no problems but I'm
>> puzzled about database & schema privileges.
>>
>
> I think that those privileges are PG extensions to the standard, which
> is why the standard information_schema views don't know about them ...
>
> regards, tom lane
>
>
Thanks a lot. That's all I needed.

Kind regards,
gamehack