Re: HOT for PostgreSQL 8.3

Hannu Krosing wrote:
>> But actually that 1 free byte in the header is not currently just waste 
>> of space. If you have any nulls in your tuple, there's going to be a 
>> null bitmap in addition to the header. 1 byte is conveniently enough to 
>> store the null bitmap for a table with max 8 columns,
> 
> Are we actually doing that ? I.E are null bitmaps really allocated in 1
> byte steps nowadays ?

Yes.

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