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From: Tom Lane <tgl@sss.pgh.pa.us>
To: marko@joh.to
cc: pgsql-bugs@lists.postgresql.org
Subject: Re: BUG #18803: ERROR: wrong varnullingrels (b) (expected (b 4)) for
 Var 2/1
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Date: Tue, 11 Feb 2025 10:33:38 -0500
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PG Bug reporting form <noreply@postgresql.org> writes:
> Given this schema:
> ...
> Running this query:
> ...
> produces the following error:
> ERROR:  wrong varnullingrels (b) (expected (b 4)) for Var 2/1

Thanks for the clear report!  We've seen a few variants of this,
and apparently yours is among the cases that are recently fixed.
Trying this example on a fresh 16-tip build (more or less 16.7)
just emits

DO

			regards, tom lane