On Fri, Mar 2, 2018 at 6:26 PM, Tomas Vondra <tomas.von...@2ndquadrant.com> wrote: > Hmmm, OK. So we need to have a valid checksum on a page, disable > checksums, set some hint bits on the page (which won't be WAL-logged), > enable checksums again and still get a valid checksum even with the new > hint bits? That's possible, albeit unlikely.
No, the problem is if - as is much more likely - the checksum is not still valid. -- Robert Haas EnterpriseDB: http://www.enterprisedb.com The Enterprise PostgreSQL Company