On Sun, Jan 18, 2009 at 2:52 AM, Tom Lane <tgl@sss.pgh.pa.us> wrote:
> "Brendan Jurd" <direvus@gmail.com> writes:
>> Update. Turns out that 8.4 DOES know how to execute the view. If you
>> try to group on a user-defined composite type, 8.4 just goes ahead and
>> groups it, rather than giving the old "could not identify an ordering
>> operator" error.
>
> Is there a hash opclass for the type? 8.4 can group types that have
> hash but not btree opclasses, but prior versions insisted on btree.
Well I sure didn't create one. I've only been attempting to create a
btree opclass. Is there some kind of default hash opclass for
composites?
Cheers,
BJ