On Fri, Jan 15, 2021 at 12:27 AM Simon Riggs <simon.ri...@enterprisedb.com> wrote:
> > Yes, I think it can. The current situation is that the Start or End is > set to the Transaction Start Timestamp. > So if t2 starts before t1, then if t1 creates a row and t2 deletes it > then we will have start=t1 end=t2, but t2<t1 > Your tests don't show that because it must happen concurrently. > We need to add an isolation test to show this, or to prove it doesn't > happen. > > Does MVCC allow that? i am not expert on MVCC but i don't think t2 can see the row create by translation started before itself regards Surafel
