> -----Original Message-----
> From: Manfred Koizar
>
> If there is interest in reducing on-disk tuple header size and I have
> not missed any strong arguments against dropping t_natts, I'll
> investigate further. Comments?
If a dbms is proper, it prepares a mechanism from the first
to handle ADD COLUMN without touching the tuples. If the
machanism is lost(I believe so) by removing t_natts, I would
say good bye to PostgreSQL.
regards,
Hiroshi Inoue