Is this something for 8.4 CVS? ---------------------------------------------------------------------------
Pavan Deolasee wrote: > On Mon, Dec 8, 2008 at 11:33 AM, Pavan Deolasee > <pavan.deola...@gmail.com>wrote: > > > > > > > On Sat, Dec 6, 2008 at 8:08 PM, Heikki Linnakangas < > > heikki.linnakan...@enterprisedb.com> wrote: > > > >> > >> If you see a straightforward way, please submit a patch! > >> > >> > > Will do that. > > > > > > Here is a patch which implements this. The PD_ALL_VISIBLE flag is set if all > tuples in the page are visible to all transactions and there are no DEAD > line pointers in the page. The second check is required so that VACUUM takes > up the page. We could slightly distinguish the two cases (one where the page > requires vacuuming only because of DEAD line pointers and the other where > the page-tuples do not require any visibility checks), but I thought its not > worth the complexity. > > Thanks, > Pavan > > -- > Pavan Deolasee > EnterpriseDB http://www.enterprisedb.com [ Attachment, skipping... ] > > -- > Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) > To make changes to your subscription: > http://www.postgresql.org/mailpref/pgsql-hackers -- Bruce Momjian <br...@momjian.us> http://momjian.us EnterpriseDB http://enterprisedb.com + If your life is a hard drive, Christ can be your backup. + -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
