Re: Idea for getting rid of VACUUM FREEZE on cold pages - Mailing list pgsql-hackers

On 25/05/10 23:56, Josh Berkus wrote:
> Do we get a bit in the visibility map for a page which has aborted
> transaction rows on it?

If there's a tuple with an aborted xmin on a page, the bit in the 
visibility map is not set. A tuple with aborted xmax doesn't matter.

--   Heikki Linnakangas  EnterpriseDB   http://www.enterprisedb.com