Re: pgsql: Remove unused wait events.

> On 25 Oct 2021, at 19:18, Tom Lane <tgl@sss.pgh.pa.us> wrote:
> 
> Robert Haas <robertmhaas@gmail.com> writes:
>> ... But while I agree it's good to remove unused stuff in the
>> master, it doesn't seem like we really need to back-patch it.
> 
> Yeah, exactly.  I don't see any benefit that's commensurate with
> even a small risk of breaking extensions --- and apparently, in
> this case that's not a risk but a certainty.

Since this will cause integer values to have different textual enum value
representations in 14 and 15+, do we want to skip two numbers by assigning the
next wait event the integer value of WAIT_EVENT_WAL_WRITE incremented by three?
Or enum integer reuse not something we guarantee against across major versions?

--
Daniel Gustafsson		https://vmware.com/