Horton

Re: ERROR wrong varnullingrels (b 3) (expected (b)) with LEFT JOIN LATERAL and CTE

Tom Lane <tgl@sss.pgh.pa.us>

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From: Tom Lane <tgl@sss.pgh.pa.us>
To: Bertrand Mamasam <golgote@gmail.com>
Cc: pgsql-general@postgresql.org
Date: 2024-11-28T22:35:25Z
Lists: pgsql-general 
I wrote:
> Thanks for the test case!  A quick "git bisect" says I broke it at
> cb8e50a4a09fe541e32cd54ea90a97f2924121a1 is the first bad commit
> commit cb8e50a4a09fe541e32cd54ea90a97f2924121a1
> Author: Tom Lane <tgl@sss.pgh.pa.us>
> Date:   Fri Aug 30 12:42:12 2024 -0400
>     Avoid inserting PlaceHolderVars in cases where pre-v16 PG did not.
> Apparently that change was less safe than I thought.  Looking ...

Fixed here:

https://git.postgresql.org/gitweb/?p=postgresql.git;a=commitdiff;h=85990e2fd5610576635c65db9292297b1730c947

Thanks for the report!

			regards, tom lane

Commits

  1. Avoid mislabeling of lateral references when pulling up a subquery.

  2. Avoid inserting PlaceHolderVars in cases where pre-v16 PG did not.