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

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От David G. Johnston
Тема Re: PG 14 pg_basebackup accepts --compress=server-zst option
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Msg-id CAKFQuwYhAbOwvMfCSWg4VMAWDUX1kCZAdG1XQMKnWWFZYyOpTA@mail.gmail.com
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Ответ на Re: PG 14 pg_basebackup accepts --compress=server-zst option  (Kashif Zeeshan <kashi.zeeshan@gmail.com>)
Ответы Re: PG 14 pg_basebackup accepts --compress=server-zst option
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On Thursday, June 6, 2024, Kashif Zeeshan <kashi.zeeshan@gmail.com> wrote:
Hi

On Fri, Jun 7, 2024 at 6:54 AM Ron Johnson <ronljohnsonjr@gmail.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.

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