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

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