2018-03-12 20:28 GMT-03:00 PG Doc comments form <noreply@postgresql.org>:
> I need to add a value to an enum, so I found this page, which answered my
> question. However, I found it quite confusing that it only documents adding
> a value. I would expect it to also document how to remove a value from an
> enum? Is this not possible? If not, I consider it a bug. But either way, if
> it is not possible, you should explicitly document it on this page.
>
If it is not document, this means that it is not supported. It is not
a bug. It is by design. Read the discussion about this feature at [1].
Removing a enum value requires a table rewrite. I'm not sure it is
worth a note.
[1] https://www.postgresql.org/message-id/4C1B95E2.6090508@dunslane.net
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