Re: How to select values in a JSON type of column?

From: Snjezana Frketic <frketic(dot)snjezana(at)gmail(dot)com>
To: Thomas Kellerer <shammat(at)gmx(dot)net>
Cc: pgsql-general(at)lists(dot)postgresql(dot)org
Subject: Re: How to select values in a JSON type of column?
Date: 2020-11-18 16:00:07
Message-ID: CA+9_ahZJRqHVa11i6C7SEbbbp0YF6j2BDhvhFkWXrekBhsyvWQ@mail.gmail.com
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I actually have version 9.3.17 😬

On Wed, 18 Nov 2020 at 15:55, Thomas Kellerer <shammat(at)gmx(dot)net> wrote:

> Snjezana Frketic schrieb am 18.11.2020 um 11:29:
> > I have a column called |targeting| in a table called |campaigns| .
> > [...]
> > and I need to select all the |ids| in |includes|.
> > Currently, I am doing it like this
> >
> >
> SELECT |targeting#>'{targets,0,audienceSegments,0,includes,0,segments,allOf,0,ids}'FROM
> campaigns;|
> >
>
> If you are on Postgres 12 or later, this can be done using
> jsonb_path_query_array:
>
> select jsonb_path_query_array(targeting, '$.targets[*].*.includes.**.
> ids.id')
> from campaigns
>
>
> Online example:
> https://dbfiddle.uk/?rdbms=postgres_12&fiddle=ee7f6e73055ffb3a98fcfd3d86763e35
>
> Thomas
>
>
>

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