Andres Freund <andres@anarazel.de> writes:
> On 2018-10-09 16:17:44 -0700, Mark Dilger wrote:
>> I have no objection, but I'm curious, when retiring a datatype and
>> associated functions, do the Oids that were assigned to them become
>> available for new uses, or do you have to expire them to avoid breaking
>> pg_upgrade and such? Retiring built-in types and functions seems
>> rare enough that I've not seen how this is handled before.
> I don't really see a need for preserving them.
Yeah, should be fine to recycle them.
regards, tom lane