Robert Haas <robertmh...@gmail.com> wrote:
> On Fri, May 11, 2012 at 11:36 AM, Kevin Grittner
> <kevin.gritt...@wicourts.gov> wrote:
>> Robert Haas <robertmh...@gmail.com> wrote:
>>> The trouble is, AFAICS, that you can't bound M very well without
>>> scanning the whole table.  I mean, it's bounded by theoretical
>>> limit, but that's it.
>>
>> What would the theoretical limit be?
> 
> MaxHeapTuplesPerPage?
 
What about dead line pointers without corresponding tuples?
 
-Kevin

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

Reply via email to