On 2020-Sep-03, Tom Lane wrote:
> Alvaro Herrera <alvherre@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/
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