On Fri, Apr 25, 2014 at 4:47 PM, Paul Ramsey <pramsey@cleverelephant.ca> wrote:
> Is it possible to make custom types hashable? There's no hook in the
> CREATE TYPE call for a hash function, but can one be hooked up
> somewhere else? In an operator?
See 35.14.6., System Dependencies on Operator Classes
--
Peter Geoghegan