On Tue, Jan 31, 2012 at 2:15 PM, Dean Rasheed <dean.a.rash...@gmail.com> wrote: > In the case when we're asked to clear a bit, it would first try to pin > the relevant page, which would go through vm_readbuf() with extend set > to true. Then vm_extend() would notice that the visibility map had > already been extended, and it would read in the new page with the set > bit. So this case would continue to work, wouldn't it?
Ah, maybe. I haven't tried to code it up. Do you want to take a crack at it? -- Robert Haas EnterpriseDB: http://www.enterprisedb.com The Enterprise PostgreSQL Company -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
