Also try:

https://bitbucket.org/adunstan/json_91

--Raghav


On Sun, Jun 24, 2012 at 3:45 AM, Joe Van Dyk <j...@tanga.com> wrote:

> On Sat, Jun 23, 2012 at 3:03 PM, Joe Van Dyk <j...@tanga.com> wrote:
> > How can I use row_to_json for a subset of columns in a row? (without
> > creating a new view or using a CTE?)
> >
> > What I want returned:
> > {"email_address":"j...@tanga.com","username":"joevandyk"}
> > Note that there is no "id" column in the result.
> >
> >
> > create table users (id serial primary key, email_address varchar,
> > username varchar);
> > insert into users (email_address, username) values ('j...@tanga.com',
> > 'joevandyk');
>
> This is the best I can come up with:
>
> select row_to_json(f) from (select email_address, username from users) f;
>     {"email_address":"j...@tanga.com","username":"joevandyk"}
>
> Is there a cleaner way to do this?
>
> --
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