Hannu Krosing <[EMAIL PROTECTED]> writes:
> What if we would just reuse the root tuple directly instead of turning
> it into a stub ?
> This would create a cycle of ctid pointers, which changes the lookup
> process from 'follow ctid chaint until the end' to 'follow the tid chain
> until you reach the start'.

How do you know which one is newest?  What happens when you have to put
a newer version off-page for lack of space?

                        regards, tom lane

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