Mario Weilguni <mweilguni@sime.com> writes:
> Is it possible to get rid of the "t_natts" fields in the tuple header?
> Is this field only for "alter table add/drop" support?
"Only"? A lot of people consider that pretty important ...
But removing 2 bytes isn't going to save anything, on most machines,
because of alignment considerations.
regards, tom lane