Re: ERROR: XX000: could not find memoization table entry (reproducible)

David Rowley <dgrowleyml@gmail.com>

From: David Rowley <dgrowleyml@gmail.com>

To: Emmanuel Touzery <emmanuel.touzery@plandela.si>

Cc: "pgsql-bugs@lists.postgresql.org" <pgsql-bugs@lists.postgresql.org>

Date: 2025-10-22T08:30:16Z

Lists: pgsql-bugs

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Fix incorrect zero extension of Datum in JIT tuple deform code
- 4afab175bc13 13.23 landed
- e4316ec4dd0c 14.20 landed
- b8ecfbe5af4f 15.15 landed
- 3398b0d02785 16.11 landed
- 10945148eec6 17.7 landed
- ceb51d09b46b 18.1 landed
- 6911f80379d4 19 (unreleased) landed

On Wed, 22 Oct 2025 at 21:02, David Rowley <dgrowleyml@gmail.com> wrote:
>
> On Wed, 22 Oct 2025 at 20:36, Emmanuel Touzery
> <emmanuel.touzery@plandela.si> wrote:
> > When the issue occurs... With \set verbose, psql displays:
> >
> > ERROR:  XX000: could not find memoization table entry
> > LOCATION:  cache_reduce_memory, nodeMemoize.c:484
>
> Thanks for the recreation steps and dump file. I can recreate it here.
> I'm just looking now.

Are you able to confirm if you still get the error with:

SET jit_tuple_deforming TO off;

and if you do; does it still happen if you do:

SET jit TO off;

David