I wrote:
> Here is the current line-up:
>
> command supports ONLY
>
> ALTER TABLE all other actions yes
> ALTER TABLE RENAME COLUMN yes
> ALTER TABLE RENAME no
> ALTER TABLE SET SCHEMA documented no, but accepted and ignored
This is actually a bit worse: All variants of ALTER TABLE accept ONLY,
but only about half of them are potentially recursive and about half of
them never recurse, and this is not documented in an obvious place (or
anywhere). I have added a Todo list item to sort this out.