Re: [HACKERS] number of attributes in page files?

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Mario Weilguni <mweilguni(at)sime(dot)com>
Cc: pgsql-performance(at)postgresql(dot)org, pgsql-hackers(at)postgresql(dot)org
Subject: Re: [HACKERS] number of attributes in page files?
Date: 2002-10-11 12:12:50
Message-ID: 4295.1034338370@sss.pgh.pa.us
Views: Raw Message | Whole Thread | Download mbox | Resend email
Thread:
Lists: pgsql-hackers pgsql-performance

Mario Weilguni <mweilguni(at)sime(dot)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

In response to

Responses

Browse pgsql-hackers by date

  From Date Subject
Next Message snpe 2002-10-11 12:27:40 Re: Out of memory error on huge resultset
Previous Message Anuradha Ratnaweera 2002-10-11 11:15:00 Re: Peer to peer replication of Postgresql databases

Browse pgsql-performance by date

  From Date Subject
Next Message Mario Weilguni 2002-10-11 14:00:13 Re: [HACKERS] number of attributes in page files?
Previous Message Mario Weilguni 2002-10-11 08:44:03 Compile test with gcc 3.2