Re: Pg17 Crash in Planning (Arrays + Casting + UDF)

From: Fredrik Widlert <fredrik(dot)widlert(at)digpro(dot)se>
To: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: Nathan Bossart <nathandbossart(at)gmail(dot)com>, Paul Ramsey <pramsey(at)cleverelephant(dot)ca>, Pgsql Hackers <pgsql-hackers(at)postgresql(dot)org>, Regina Obe <lr(at)pcorp(dot)us>
Subject: Re: Pg17 Crash in Planning (Arrays + Casting + UDF)
Date: 2024-10-10 08:24:29
Message-ID: CADfhSr96Mpj7FoU1mPw6R=guEPLz-CA9az8UfbvVKxjd-QXtAg@mail.gmail.com
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As the original reporter on the PostGIS mailing list, I want to thank
everyone both
on that list and on the Postgres list for the very quick response.

Having the problem confirmed and a ticket opened in 2 minutes is really
impressive.

My report contained a very simplified version of our crashing query, but
I've now also
verified that the fix

> - else if (arrayexpr)
> + else if (arrayexpr && root != NULL)

also stops our original big query from crashing.

Thanks!
/Fredrik

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