Re: JSON output from psql - Mailing list pgsql-hackers

From Gurjeet Singh
Subject Re: JSON output from psql
Date
Msg-id CABwTF4WSGVF+BDVMG1O3AVYUrristMs9C5z2T+4v2i4AzWf+zg@mail.gmail.com
Whole thread Raw
In response to Re: JSON output from psql  (Robert Haas <robertmhaas@gmail.com>)
Responses Re: JSON output from psql  (Robert Haas <robertmhaas@gmail.com>)
List pgsql-hackers
On Mon, May 11, 2020 at 1:24 PM Robert Haas <robertmhaas@gmail.com> wrote:
On Fri, May 8, 2020 at 7:32 PM Gurjeet Singh <gurjeet@singh.im> wrote:
> There's no standard format that comes to mind, but perhaps an output format similar to that of (array of row_to_json()) would be desirable. For example, `select relname, relnamespace from pg_class;` would emit the following:
>
> [
> {"relname": "pgclass", "relnamespace": 11},
> {"relname": "pg_statistic", "relnamespace": 11},
> ]

I don't see why psql needs any special support. You can already
generate this using the existing server side functions, if you want
it.

That's a good point! It might still be desirable, perhaps for performance trade-off of JSON conversion on the client-side instead of on the server-side.

Best regards,
--

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