Stefan Kaltenbrunner <stefan(at)kaltenbrunner(dot)cc> writes:
> I played around with roles a bit today and noticed some minor things:
> ALTER ROLE seems to support ALTER ROLE <name> ROLE <name> - but that
> form is not mentioned in the docs:
There are some cases that work, but are not documented (or supported),
as a result of the fact that the same productions are used in the
grammar to support both the ROLE commands and the older GROUP commands.
I don't think it's worth bloating the grammar to suppress this.
regards, tom lane