From: Wells Oliver <wells.oliver@gmail.com>
To: Tom Lane <tgl@sss.pgh.pa.us>
Cc: Alvaro Herrera <alvherre@alvh.no-ip.org>
Cc: pgsql-admin <pgsql-admin@postgresql.org>
Subject: Re: json_build_object, numeric types, and function limits on 100 arguments
Date: Tue, 26 Jan 2021 22:39:35 -0800
Message-ID: <CAOC+FBVkTvWHumTdrOC0XBiYZ73NPV760u7+fQ+O2iD7ik6OwA@mail.gmail.com> (raw)
In-Reply-To: <2338155.1611697339@sss.pgh.pa.us>
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<20210126135238.GA20826@alvherre.pgsql>
<CAOC+FBUobjupfTb9BKctomaygUf6_24AZo0QHQ2g2e1GaGL7tQ@mail.gmail.com>
<2338155.1611697339@sss.pgh.pa.us>
Thanks, Tom. Doing something like:
with t as ( select somekey, someotherkey from mytable ) select
json_agg(t)->0 from t;
Feels a lot more, errr, natural. Would rather have the object than an array
of 1 containing the object, thus the ->0 but this works well and feels
SQL-ish indeed.
On Tue, Jan 26, 2021 at 1:42 PM Tom Lane <tgl@sss.pgh.pa.us> wrote:
> Wells Oliver <wells.oliver@gmail.com> writes:
> > Yeah, thanks, I thought about that: concatenating a few different objects
> > to make a bigger object. Seemed silly, but if there's not a cleaner
> > solution, it does work.
>
> A more SQL-ish way to deal with this might be to use jsonb_agg()
> or jsonb_object_agg().
>
> regards, tom lane
>
--
Wells Oliver
wells.oliver@gmail.com <wellsoliver@gmail.com>
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To: pgsql-admin@postgresql.org
Cc: wells.oliver@gmail.com, tgl@sss.pgh.pa.us, alvherre@alvh.no-ip.org
Subject: Re: json_build_object, numeric types, and function limits on 100 arguments
In-Reply-To: <CAOC+FBVkTvWHumTdrOC0XBiYZ73NPV760u7+fQ+O2iD7ik6OwA@mail.gmail.com>
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