Bruce Momjian wrote: > On Mon, May 27, 2013 at 03:06:13PM -0400, Alvaro Herrera wrote: > > Bruce Momjian wrote:
> > I would have each data segment be self-identifying, i.e. have a magic > > number at the beginning of the file and the relation OID, some fork > > identification and the segment number somewhere -- probably the special > > space of the first page. > > Is this something we want on the TODO? I was not clear how to do with > without making the first page format special or wasting space on all the > other pages. I don't think the special space has to necessarily be identically sized in all the pages -- I admit I haven't looked closely, but the special size is part of the page header. -- Álvaro Herrera 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
