Andres Freund <andres@2ndquadrant.com> writes:
> On 2014-04-25 17:05:26 -0400, Tom Lane wrote:
>> I think this is just a hangover from
>> before we paid much attention to expression typmods at all, and
>> propose the attached patch.
> Any chance it could cause problems with stored trees being different
> from newly generated ones due to it? I.e. is it something that can be
> done without a catversion bump?
Not sure. I wasn't proposing this as a back-patch, just 9.4 only.
regards, tom lane