"Jonah H. Harris" <[EMAIL PROTECTED]> writes: > On Thu, Oct 2, 2008 at 9:07 AM, Brian Hurt <[EMAIL PROTECTED]> wrote: >> I have a stupid question wrt hint bits and CRC checksums- it seems to me >> that it should be possible, if you change the hint bits, to be able to very >> easily calculate what the change in the CRC checksum should be. > > Doesn't the problem still remain? The problem being that the buffer > can be changed as it's written, yes?
It's even worse than that. Two processes can both be fiddling hint bits on different tuples (or even the same tuple) at the same time. -- Gregory Stark EnterpriseDB http://www.enterprisedb.com Ask me about EnterpriseDB's RemoteDBA services! -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
