On Thu, Feb 18, 2021 at 01:54:37PM +0000, PG Doc comments form wrote: > The following documentation comment has been logged on the website: > > Page: https://www.postgresql.org/docs/13/routine-vacuuming.html > Description: > > Hello, > > transaction ID modulo is not correct. > > The sentence "Normal XIDs are compared using modulo-2^32 arithmetic" should > be "Normal XIDs are compared using modulo-2^31 arithmetic"
Uh, we use full 32-bit values that wrap around; the top bit is just another bit to us. I think the docs are correct. -- Bruce Momjian <br...@momjian.us> https://momjian.us EDB https://enterprisedb.com The usefulness of a cup is in its emptiness, Bruce Lee
