Re: HOT for PostgreSQL 8.3

Heikki Linnakangas <heikki@enterprisedb.com> writes:
> Hannu Krosing wrote:
>> Are we actually doing that ? I.E are null bitmaps really allocated in 1
>> byte steps nowadays ?

> Yes.

Not really; we still have to MAXALIGN at the end of the bitmap.  The
point is that you can get 8 bits in there before paying the first
additional MAXALIGN increment.

It's all moot anyway since 8 bits isn't enough for a pointer ...
        regards, tom lane