Re: Defer selection of asynchronous subplans until the executor initialization stage

From: Etsuro Fujita <etsuro(dot)fujita(at)gmail(dot)com>
To: Justin Pryzby <pryzby(at)telsasoft(dot)com>
Cc: Zhihong Yu <zyu(at)yugabyte(dot)com>, Alexander Pyhalov <a(dot)pyhalov(at)postgrespro(dot)ru>, "Andrey V(dot) Lepikhov" <a(dot)lepikhov(at)postgrespro(dot)ru>, Kyotaro Horiguchi <horikyota(dot)ntt(at)gmail(dot)com>, pgsql-hackers(at)lists(dot)postgresql(dot)org
Subject: Re: Defer selection of asynchronous subplans until the executor initialization stage
Date: 2022-04-08 16:58:53
Message-ID: CAPmGK15gv8c8+PfdruH7zzdXu_E1dSrqiSfTLkBf4CYBvJ4G+w@mail.gmail.com
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Hi,

On Fri, Apr 8, 2022 at 9:43 PM Justin Pryzby <pryzby(at)telsasoft(dot)com> wrote:
> This patch seems to be causing the planner to crash.
> Here's a query reduced from sqlsmith.
>
> | explain SELECT 1 FROM information_schema.constraint_column_usage WHERE 1 <= pg_trigger_depth();
>
> Program terminated with signal SIGSEGV, Segmentation fault.

Reproduced. Will look into this.

Thanks for the report!

Best regards,
Etsuro Fujita

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