Gokulakannan Somasundaram <gokul007@gmail.com> writes:
> I think, somewhere things have been misunderstood. we only need 8
> bytes more per index entry. I thought Postgres has a 8 byte transaction id,
> but it is only 4 bytes, so we only need to save the insertion and deletion
> xids. So 8 bytes more per tuple.
What makes you think you can get away without cmin/cmax?
regards, tom lane