Re: PG 14 pg_basebackup accepts --compress=server-zst option

On Thursday, June 6, 2024, Kashif Zeeshan <kashi(dot)zeeshan(at)gmail(dot)com> wrote:

> Hi
>
> On Fri, Jun 7, 2024 at 6:54 AM Ron Johnson <ronljohnsonjr(at)gmail(dot)com>
> wrote:
>
>>
>> https://www.postgresql.org/docs/14/app-pgbasebackup.html doesn't mention
>> "--compress=[{client|server}-]method". That first appears in the v15
>> docs.
>>
>> And yet pg_basebackup doesn't complain about an invalid option.
>> (Technically, this is a bug; I first noticed it a week after copying a
>> script from a PG 15 server to five PG 14 servers, and running it quite a
>> few times without fail.)
>>
>
Seems a bit suspect, but as your script doesn’t mention tar the option
itself is apparently ignored, I guess silently. Assuming this isn’t an
actual regression in behavior in a patch-released older version I don’t see
us adding an error message at this point.

> If the support is removed then it should be mentioned in the official
> documentation.
>

Support wasn’t removed. Re-read the email and check the version/times
being mentioned again.

David J.