On 24.08.21 11:55, David Rowley wrote:
> If it's going to be a problem detecting the lack of hashability during
> planning then maybe we can just add a hash opclass for BIT to fix this
> particular case.
The following types have btree opclasses but not hash opclasses:
money
bit
bit varying
tsvector
tsquery
Also among contrib:
cube
ltree
seg
We could fix the first three relatively easily (although money is used
in test cases as not having a hash opclass). Not sure what to do about
the rest.