Re: Extracting JSON data into columns

On Mon, Feb 22, 2016 at 7:48 AM, Ferrell, Denise SDC <
denise(dot)ferrell(at)sdc-world(dot)com> wrote:

> Running PostgreSQL 9.3 on Linux.
>
> I'm looking for the syntax to extract JSON values into columns from one
> incoming column in file.
>
> Thank you in advance.
> Denise
>

​Syntax is well documented:

​http://www.postgresql.org/docs/9.3/interactive/functions-json.html

​Not tested...​

​WITH json_data (jd) AS (
VALUES ('{"key":"value", "key2":"value2"}'::json)
)​
​SELECT jd->>'key' AS col1, jd->>'key2' AS col2
FROM json_data​

Also useful is the:

json_populate_record(...)

function.

Try them and ask specific questions if you still have them. Incorporating
a self-contained example like mine lowers the bar for others to provide
useful help.

Also consider upgrading to 9.5 if you expect to do heavy JSON work -
features for this type have been being added at a good clip these past
couple of years.

David J.