Re: Hashable custom types

From: Peter Geoghegan <pg(at)heroku(dot)com>
To: Paul Ramsey <pramsey(at)cleverelephant(dot)ca>
Cc: Pgsql Hackers <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: Hashable custom types
Date: 2014-04-25 23:54:17
Message-ID: CAM3SWZQ2H=_aEYBuYi8vkk+SQv_1FXZL=euJQhohdrRf7U=9sg@mail.gmail.com
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On Fri, Apr 25, 2014 at 4:47 PM, Paul Ramsey <pramsey(at)cleverelephant(dot)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

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