Thursday, August 7, 2008

Re: [HACKERS] Visibility Groups

On Thu, Aug 7, 2008 at 12:38 PM, Simon Riggs wrote:
> I propose creating "Visibility Groups" that *explicitly* limit the
> ability of a transaction to access data outside its visibility group(s).

Doesn't every transaction need to access data from the catalogs?
Wouldn't the inclusion of a catalogs visibility group in every
transaction negate any potential benefits?


> Once set, any attempt to lock an object outside of a transactions
> defined visibility_groups will result in an error:

Or is this about locking and not about data access?

Jochem

--
Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org)
To make changes to your subscription:
http://www.postgresql.org/mailpref/pgsql-hackers

No comments: