* Greg Stark (gsstark@mit.edu) wrote:
> I'm not sure this solves the cases of subtransactions -- but perhaps
> we just wouldn't store frozenxid if we're in a subtransaction. And I'm
> not sure we have access to the relation id when we're doing visibility
> checks. I think we do. This would involve no serious ugliness in the
> actual on-disk storage and it would make data loads a write-once
> operation which is the holy grail :)
I'd be happy with a "data loading mode" that even disallowed
subtransactions if necessary to achieve the write-once (well, plus WAL
if you're archiving) operation...
Thanks, Stephen