Andrew Dunstan <andrew(at)dunslane(dot)net> writes:
> On 2023-06-29 Th 15:25, Tom Lane wrote:
>> Maybe we should bite the bullet and provide
>> invalidation based on a pg_type inval callback.
> Yeah, Robert has just convinced me, so I'll do it like that. It doesn't
> look too hard.
Oh, I have a better idea. We're only going to need all this for
pass-by-ref types, right? Why not make the hash key be the value
itself? Wrap it in a bytea perhaps to avoid needing a bespoke
hash function.
regards, tom lane