Re: SQL/MED - core functionality

Heikki Linnakangas <heikki.linnakangas@enterprisedb.com> writes:
> On 25.11.2010 18:28, Tom Lane wrote:
>> Or just specify a format for the extra information.  Perhaps it could be
>> thought of as being a value of type bytea?  Obviously we can't just have
>> a fixed amount of info, but maybe a blob with a length word is enough.

> That seems quite awkward to work with. Let's at least make it a Node *, 
> so that you can store a Value or List there, or anything else that 
> already has copyObject support.

Yeah, that works.  A struct could be emulated by using a List with a
known order of elements.  If someone did need a binary blob, they could
represent it as a Const of type bytea.
        regards, tom lane