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From: Michael Paquier <[email protected]>
To: Richard Guo <[email protected]>
Cc: Tender Wang <[email protected]>
Cc: Justin Pryzby <[email protected]>
Cc: [email protected]
Cc: Paul Jungwirth <[email protected]>
Cc: Tom Lane <[email protected]>
Subject: Re: pg17: XX000: no relation entry for relid 0
Date: Sat, 11 Apr 2026 05:34:34 +0900
Message-ID: <[email protected]> (raw)
In-Reply-To: <CAMbWs49Wi81GGO_drC4PJgQUehz4_+ekmxHyO9nvLzP1-mJuCw@mail.gmail.com>
References: <adjW8rfPDkplC7lF@pryzbyj2023>
	<CAHewXN=_C3apEh4nDndgbOiYnFAYDDuMWAozPP0G3iL=7zQbJg@mail.gmail.com>
	<CAMbWs49Wi81GGO_drC4PJgQUehz4_+ekmxHyO9nvLzP1-mJuCw@mail.gmail.com>

On Fri, Apr 10, 2026 at 11:38:50PM +0900, Richard Guo wrote:
> Nice catch.  It seems that we need at least three branches to
> reproduce this, so that there's a nested UNION ALL whose output type
> doesn't match the parent's expected type.  At the outer branch maybe
> we can use NULL::bigint[] instead to be a little simpler.

Indeed, three branches:
$ git branch --contains 9391f7152
+ REL_17_STABLE
+ REL_18_STABLE
* master
--
Michael


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