Jim C. Nasby wrote:
> In addition to/instead of abstracting cmin/cmax to a phantom ID, what
> about allowing for two versions of the tuple header, one with cid info
> and one without? That would allow for cid info to be stripped out when
> pages were written to disk.
>
How exactly would that help? You can't just strip out cid info when
writing to disk, if you don't want to lose the information.
And it's certainly a lot more complicated than the phantom id thing.
--
Heikki Linnakangas
EnterpriseDB http://www.enterprisedb.com