public inbox for [email protected]
help / color / mirror / Atom feedFrom: Michael Paquier <[email protected]>
To: Mats Kindahl <[email protected]>
Cc: Aleksander Alekseev <[email protected]>
Cc: [email protected]
Subject: Re: Hooking into ExplainOneQuery() complicated by missing standard_ExplainOneQuery
Date: Wed, 6 Mar 2024 08:25:16 +0900
Message-ID: <[email protected]> (raw)
In-Reply-To: <CA+14427odXsZ9Wycb2hLv3RmsOdx_vzZdTtiWhaRR1r3SOVupg@mail.gmail.com>
References: <CA+14427V_B4EAoC_o-iYYucRdMSOTfpuH9k-QbexffY1HYJBiA@mail.gmail.com>
<CAJ7c6TNumEgVKmR+b=r5cfB3pAdxq9eF4+B9QbtCri9tzC5T4Q@mail.gmail.com>
<[email protected]>
<CA+14427odXsZ9Wycb2hLv3RmsOdx_vzZdTtiWhaRR1r3SOVupg@mail.gmail.com>
On Tue, Mar 05, 2024 at 08:21:34AM +0100, Mats Kindahl wrote:
> I realize that a more advanced system is possible to create where you can
> customize the output even more, but in this case I just wanted to add a
> section with some additional information related to plan execution. Also,
> the code in explain.c seems to not be written with extensibility in mind,
> so I did not want to make too big a change here before thinking through how
> this would work.
Sure.
> Just to elaborate: the intention was to allow a section to be added to
> every node in the plan containing information from further down and also
> allow this information to propagate upwards. We happen to have buffer
> information right now, but allowing something similar to be added
> dynamically by extending ExplainNode and passing down a callback to
> standard_ExplainOneQuery.
Or an extra hook at the end of ExplainNode() to be able to append more
information at node level? Not sure if others would agree with that,
though.
--
Michael
Attachments:
[application/pgp-signature] signature.asc (833B, ../[email protected]/2-signature.asc)
download
view thread (8+ messages) latest in thread
reply
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Reply to all the recipients using the --to and --cc options:
reply via email
To: [email protected]
Cc: [email protected], [email protected], [email protected], [email protected]
Subject: Re: Hooking into ExplainOneQuery() complicated by missing standard_ExplainOneQuery
In-Reply-To: <[email protected]>
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
This inbox is served by agora; see mirroring instructions
for how to clone and mirror all data and code used for this inbox