On Tue, Dec 20, 2022 at 11:12:22PM -0600, Justin Pryzby wrote: > Yes, and its current users (basebackup) output a gzip file, right ? > > pg_dump -Fc doesn't output a gzip file, but now it's using user-facing > compression specifications referring to it as "gzip".
Not all of them are compressed either, like the base TOC file. > If you tell someone they can write -Z gzip, they'll be justified in > expecting to see "gzip" as output. That's the point where my interpretation is different than yours, where I don't really see as an issue that we do not generate a gzip file all the time in the output. Honestly, I am not sure that there is anything to win here by not using the same option interface for all the binaries or have tweaks to make pg_dump cope with that (like using zlib as an extra alias). The custom, directory and tar formats of pg_dumps have their own idea of the files to compress or not (like the base TOC file is never compressed so as one can do a pg_restore -l). -- Michael
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