public inbox for [email protected]  

help / color / mirror / Atom feed

From: Richard Guo <[email protected]>
To: wenhui qiu <[email protected]>
Cc: Pg Hackers <[email protected]>
Subject: Re: Clean up remove_rel_from_query() after self-join elimination commit
Date: Sat, 18 Apr 2026 19:17:20 +0900
Message-ID: <CAMbWs48RYf3dDS4P+HC43x-KLrN0uF-aU-Mk0Ld5JoWGErOqUg@mail.gmail.com> (raw)
In-Reply-To: <CAGjGUAKZ-gaT6z=4_BR8J5Xq7c85ckWuZ3_sHUo6oseto6npHA@mail.gmail.com>
References: <CAMbWs48JC4OVqE=3gMB6se2WmRNNfMyFyYxm-09vgpm+Vwe8Hg@mail.gmail.com>
	<[email protected]>
	<CAGjGUAKZ-gaT6z=4_BR8J5Xq7c85ckWuZ3_sHUo6oseto6npHA@mail.gmail.com>

On Tue, Apr 7, 2026 at 6:57 PM wenhui qiu <[email protected]> wrote:
> Assert(!is_outer_join || joinrelids != NULL);

Worth asserting.  If a caller sets sjinfo but passes NULL for
joinrelids, this would silently over-delete PHVs.

> Assert(!is_self_join || joinrelids == NULL);

I prefer to not add this one.  It's not defending any invariant.

- Richard

view thread (7+ 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]
  Subject: Re: Clean up remove_rel_from_query() after self-join elimination commit
  In-Reply-To: <CAMbWs48RYf3dDS4P+HC43x-KLrN0uF-aU-Mk0Ld5JoWGErOqUg@mail.gmail.com>

* 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