On Wed, 2013-04-17 at 12:42 -0400, Bruce Momjian wrote:
> > AFAIK, there's currently no per-page checksum flag. Still, being only
> > able to go from checksummed to not-checksummed probably is for all
> > practical purposes the same as not being able to pg_upgrade at all.
> > Otherwise, why would people have enabled checksums in the first place?
> Good point, but it is _an_ option, at least.
> I would like to know the answer of how an upgrade from checksum to
> no-checksum would behave so I can modify pg_upgrade to allow it.

Why? 9.3 pg_upgrade certainly doesn't need it. When we get to 9.4, if
someone has checksums enabled and wants to disable it, why is pg_upgrade
the right time to do that? Wouldn't it make more sense to allow them to
do that at any time?

        Jeff Davis

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