Michael Paquier <michael.paquier@gmail.com> writes:
> On Wed, Jan 17, 2018 at 09:15:06PM -0500, Tom Lane wrote:
>> Probably the OP would not be very happy if the outcome of this discussion
>> is that "initdb -U user" fails, but I am not seeing a principled reason
>> why that should be allowed.
> Me neither.
Alternatively, we could consider removing all these artificial
restrictions on what a username can be, and just expecting the DBA
to know what he's doing. But what we've got right now is weirdly
inconsistent.
regards, tom lane