Re: lastOverflowedXid does not handle transaction ID wraparound

[Andrey Borodin]

> 17 окт. 2021 г., в 21:55, Dmitry Dolgov <9erthali...@gmail.com> написал(а):
> I wonder what would be side
> effects of clearing it when the snapshot is not suboverfloved anymore?

I think we should just invalidate lastOverflowedXid on every XLOG_RUNNING_XACTS 
if subxid_overflow == false. I can't find a reason not to do so.

Best regards, Andrey Borodin.