Re: [sqlsmith] Parallel worker executor crash on master

On Sat, Dec 16, 2017 at 12:57 AM, Andreas Seltenreich
<seltenreich@gmx.de> wrote:
> Hi,
>
> sqlsmith just crashed a parallel worker while testing master at
> 699bf7d05c.  I can reproduce it with the following recipe on a fresh
> regression database.  Backtrace and query plan below as well.
>

This seems to be another symptom of the problem related to
es_query_dsa for which Thomas has sent a patch on a different thread
[1].  After applying that patch, I am not able to see the problem.  I
think due to the wrong usage of dsa across nodes, it can lead to
sending some wrong values for params to workers.

[1] - https://www.postgresql.org/message-id/CAEepm%3D0Mv9BigJPpribGQhnHqVGYo2%2BkmzekGUVJJc9Y_ZVaYA%40mail.gmail.com

With Regards,
Amit Kapila.
EnterpriseDB: http://www.enterprisedb.com