On 1 June 2013 19:25, Heikki Linnakangas <hlinnakan...@vmware.com> wrote:
> Hmm, it would probably be much easier to squeeze, say, one byte from the > tuple header, than full four bytes. Then you could store store a null bitmap > for upto 16 columns, without crossing the 24 byte mark. That would already > get you much of the benefit. It seemed worth recording the idea, though I agree that now its recorded its not the best idea for reducing table size. -- Simon Riggs http://www.2ndQuadrant.com/ PostgreSQL Development, 24x7 Support, Training & Services -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers