Re: BUG #4688: Bug in cache.

Heikki Linnakangas <heikki.linnakangas@enterprisedb.com> writes:
> Tom Lane wrote:
>> Although this qualifies as pilot error (superusers are expected to know
>> what they're doing), should we attempt to prevent the case?

> We can't detect binary-incompatibility in general, so I presume you
> meant just for the case of composite types. Hmm, I guess we could do it
> in that case.

Right, I was envisioning "if both types are composite and there's no
function supplied, throw error".

> I believe the command has been like that for a long time, and this is
> the first time someone managed to shoot one's foot.

True.  Maybe it's not worth the trouble.

            regards, tom lane