Teodor Sigaev <teodor(at)sigaev(dot)ru> writes:
>> dead easy to implement this: effectively, we just decree that the
>> index column storage type for NAME is always CSTRING. Because the
> Isn't it a reason to add STORAGE option of CREATE OPERATOR CLASS to BTree? as
> it's done for GiST and GIN indexes.
Hmm ... I don't see a point in exposing that as a user-level facility,
unless you can point to other use-cases besides NAME. But it would be
cute to implement the hack by changing the initial contents of
pg_opclass instead of inserting code in the backend. I'll give that
a try.
regards, tom lane