Re: SQLJSON

Dave Cramer

On 26 June 2015 at 13:01, Steven Schlansker <stevenschlansker(at)gmail(dot)com>
wrote:

>
> On Jun 26, 2015, at 7:57 AM, Dave Cramer <davecramer(at)gmail(dot)com> wrote:
>
> > I'm looking for comments on how to implement a SQLJSON type in JDBC.
> >
> > As there is no getSQLJSON in the resultset interface this could only be
> used in getObject.
> >
> > Notionally it would model itself after SQLXML.
> https://docs.oracle.com/javase/7/docs/api/index.html?java/sql/SQLXML.html
>
> I used JSON extensively in one of my projects, but have never used
> SQLXML. I'm having trouble understanding why the SQLXML interface adds any
> value to passing rs.getBinaryStream to your favorite JSON parser.
> Especially since you would have to use getObject, I am not seeing how:
>
> rs.getObject("field", SQLJSON.class).mapToType(MyType.class)
>
> is simpler than:
> jacksonObjectMapper.readValue(rs.getBinaryStream("field"), MyType.class)
>
> which already works today as far as I understand. Doubly so since nobody
> will agree on which JSON parsing library to use.
>
> I'm sure I'm missing something?
>
>
I don't think you are; as you rightly pointed out now we would have to add
a json parser to the driver, which I'm reluctant to do