Re: 16-bit page checksums for 9.2

On 29.02.2012 17:42, Simon Riggs wrote:
> On Wed, Feb 29, 2012 at 3:30 PM, Heikki Linnakangas
> <heikki.linnakangas@enterprisedb.com>  wrote:
>
>> Surely it can be done online. You'll just need a third state between off and
>> on, where checksums are written but not verified, while the cluster is
>> scanned.
>
> Are you saying you would accept the patch if we had this?

I think I would still be uncomfortable with the hacks in the page 
header. Less so than in the current form - you wouldn't need a flag to 
indicate whether the page has a valid checksum or not, which would clean 
it up quite a bit - but still.

--   Heikki Linnakangas  EnterpriseDB   http://www.enterprisedb.com