Content-Type: text/plain;
	charset=utf-8
Mime-Version: 1.0 (Mac OS X Mail 16.0 \(3774.200.91.1.1\))
Subject: Re: JSON Path and GIN Questions
From: "David E. Wheeler" <david@justatheory.com>
In-Reply-To: <636E83FD-DC39-48F2-8F81-ED133AF5289A@justatheory.com>
Date: Sun, 17 Dec 2023 12:55:05 -0500
Cc: pgsql-hackers@lists.postgresql.org
Content-Transfer-Encoding: quoted-printable
Message-Id: <F6B4494D-359E-43C7-93EE-797E1AAC2C4B@justatheory.com>
References: <15DD78A5-B5C4-4332-ACFE-55723259C07F@justatheory.com>
 <133696180.303713.1694566807910@office.mailbox.org>
 <640942d7-c996-0562-62c9-d69a4c1f9b1e@xs4all.nl>
 <C4BBA1CB-9EA1-4124-8CAD-8DDD646C453F@justatheory.com>
 <aab40650-d292-3ece-e398-af2da8888e08@xs4all.nl>
 <3063408.1694666518@sss.pgh.pa.us>
 <D791AD43-8DE9-4358-A77C-5BC5D82AFA73@justatheory.com>
 <3802532.1694812485@sss.pgh.pa.us>
 <8504C88E-A036-47F4-8FAE-9BA95F55CB03@justatheory.com>
 <3826235.1694824574@sss.pgh.pa.us>
 <EE76F3CF-5C80-49E1-A472-315D54EE5111@justatheory.com>
 <4097442.1694967650@sss.pgh.pa.us>
 <636E83FD-DC39-48F2-8F81-ED133AF5289A@justatheory.com>
To: Tom Lane <tgl@sss.pgh.pa.us>
Archived-At: <https://www.postgresql.org/message-id/F6B4494D-359E-43C7-93EE-797E1AAC2C4B%40justatheory.com>
Precedence: bulk

On Sep 17, 2023, at 18:09, David E. Wheeler <david@justatheory.com> =
wrote:

> I think this is useful, but also that it=E2=80=99s worth calling out =
explicitly that functions do not count as indexable operators. True by =
definition, of course, but I at least had assumed that since an operator =
is, in a sense, syntax sugar for a function call, they are in some sense =
the same thing.
>=20
> A header might be useful, something like =E2=80=9CWhat Counts as an =
indexable expression=E2=80=9D.

Hey Tom, are you still thinking about adding this bit to the docs? I =
took a quick look at master and didn=E2=80=99t see it there.

Thanks,

David