Re: row_to_json question

From: Raghavendra <raghavendra(dot)rao(at)enterprisedb(dot)com>
To: Joe Van Dyk <joe(at)tanga(dot)com>
Cc: pgsql-general(at)postgresql(dot)org
Subject: Re: row_to_json question
Date: 2012-06-24 02:44:13
Message-ID: CA+h6AhhX93KMZk2eEi47hsXoeuAq+W-StM=LoJCsBKwEpgGL-A@mail.gmail.com
Views: Raw Message | Whole Thread | Download mbox | Resend email
Thread:
Lists: pgsql-general

Also try:

https://bitbucket.org/adunstan/json_91

--Raghav

On Sun, Jun 24, 2012 at 3:45 AM, Joe Van Dyk <joe(at)tanga(dot)com> wrote:

> On Sat, Jun 23, 2012 at 3:03 PM, Joe Van Dyk <joe(at)tanga(dot)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":"joe(at)tanga(dot)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 ('joe(at)tanga(dot)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":"joe(at)tanga(dot)com","username":"joevandyk"}
>
> Is there a cleaner way to do this?
>
> --
> Sent via pgsql-general mailing list (pgsql-general(at)postgresql(dot)org)
> To make changes to your subscription:
> http://www.postgresql.org/mailpref/pgsql-general
>

In response to

Browse pgsql-general by date

  From Date Subject
Next Message Craig Ringer 2012-06-24 06:49:40 Re: Error message "psql: could not connect to server: No such file or directory"
Previous Message Joe Van Dyk 2012-06-23 22:15:57 Re: row_to_json question