On Mon, Oct 1, 2012 at 10:04:09AM -0700, Jeff Davis wrote: > On Mon, 2012-10-01 at 12:35 -0400, Bruce Momjian wrote: > > The heap/index files are copied unmodified from the old cluster, so > > there are no checksums on the pages. > > That's fine though, the patch still reads the old format the same way, > and the pages are treated as though they have no checksum. How is that a > reason for defaulting the GUC to off?
No idea then. > I'm missing something here. Are we worried about users who turn the GUC > on and then expect all of their old data pages to magically be > protected? Perhaps we don't allow this to be turned per page, but rather per cluster, and per-cluster would require the entire cluster to be rewritten. -- Bruce Momjian <br...@momjian.us> http://momjian.us EnterpriseDB http://enterprisedb.com + It's impossible for everything to be true. + -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers