"Jonathan S. Katz" <jkatz(at)postgresql(dot)org> writes:
> I would like to decompose the returned multirange into its individual
> ranges, similarly to how I would "unnest" an array:
+1 for adding such a feature, but I suppose it's too late for v14.
AFAICS, "unnest(anymultirange) returns setof anyrange" could coexist
alongside the existing variants of unnest(), so I don't see any
fundamental stumbling block to having it.
regards, tom lane