Re: Please provide examples of rows from

On Sun, Sep 20, 2020 at 02:14:00PM -0400, Tom Lane wrote:
> I wrote:
> > You're right that the only suitable core function is going to be
> > json[b]_to_recordset, but I don't see why you can't extend the
> > existing example for that. Something like
>
> Meh, I was too hasty and pushed "send" with a broken example. Better
>
> =# select * from rows from (json_to_recordset('[{"a":1,"b":"foo"},{"a":"2","b":"bar"}]') as (a int, b text), generate_series(1,3)) as x(p,q,s);
> p | q | s
> ---+-----+---
> 1 | foo | 1
> 2 | bar | 2
> | | 3
> (3 rows)

Yes, this is very helpful. I was afraid the JSON would overwhelm the
example, but this looks good. I wrote the attached doc patch which I
think improves this. I plan to apply it to all supported versions.

--
Bruce Momjian <bruce(at)momjian(dot)us> https://momjian.us
EnterpriseDB https://enterprisedb.com

The usefulness of a cup is in its emptiness, Bruce Lee