Horton

Re: assertion failure at cost_memoize_rescan()

David Rowley <dgrowleyml@gmail.com>

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From: David Rowley <dgrowleyml@gmail.com>
To: Richard Guo <guofenglinux@gmail.com>
Cc: Kohei KaiGai <kaigai@heterodb.com>, Tomas Vondra <tomas.vondra@enterprisedb.com>, Pg Hackers <pgsql-hackers@postgresql.org>
Date: 2024-06-18T22:23:23Z
Lists: pgsql-hackers 
On Tue, 18 Jun 2024 at 15:14, Richard Guo <guofenglinux@gmail.com> wrote:
>
> On Tue, Jun 18, 2024 at 10:53 AM David Rowley <dgrowleyml@gmail.com> wrote:
> > I think the best solution is to apply the attached.  I didn't test,
> > but it should fix the issue you reported and also ensure that
> > MemoizePath.calls is never zero, which would also cause issues in the
> > hit_ratio calculation in cost_memoize_rescan().
>
> +1.

Thanks for looking. Pushed.

David

Commits

  1. Fix possible Assert failure in cost_memoize_rescan