On 2020-Sep-03, Tom Lane wrote: > Alvaro Herrera <alvhe...@2ndquadrant.com> writes: > > On 2020-Sep-03, Tom Lane wrote: > >> Uh ... is it really possible for gotlen to be more than total_len? > >> (I've not looked at the surrounding code here, but that seems weird.) > > > Well, as I understand, total_len comes from one page, and gotlen comes > > from the continuation record(s) in the next page(s) of WAL. So if > > things are messed up, it could happen. (This *is* the code that > > validates the record, so it can't make too many assumptions.) > > Got it. No further objections.
Many thanks for looking! Pushed now. -- Álvaro Herrera https://www.2ndQuadrant.com/ PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services
