Re: Oid registry

On 9/24/12 10:26 PM, Andrew Dunstan wrote:
> Well, an obvious case is how record_to_json handles fields. If it knows
> nothing about the type all it can do is output the string value. That
> doesn't work well for types such as hstore. If it could reliably
> recognize a field as an hstore it might well be able to do lots better.

I think the fix there is that the type supplies a "to JSON" function as
part of its type definition (just like input and output functions).  "to
XML" would also be useful.  Most types wouldn't need them and default to
string output.