| From: | Sergey Shinderuk <s(dot)shinderuk(at)postgrespro(dot)ru> |
|---|---|
| To: | Richard Guo <guofenglinux(at)gmail(dot)com> |
| Cc: | pgsql-bugs(at)lists(dot)postgresql(dot)org, David Rowley <dgrowleyml(at)gmail(dot)com>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
| Subject: | Re: BUG #19412: Wrong query result with not null constraint |
| Date: | 2026-02-20 10:54:10 |
| Message-ID: | 96b4135a-1b32-4c05-91f5-61c5e2559f73@postgrespro.ru |
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| Thread: | |
| Lists: | pgsql-bugs |
On 2/20/26 12:57, Richard Guo wrote:
> ... and then pushed and back-patched to v16.
Thank you!
> Thank you, Sergey, for the report and the excellent self-contained
> repro query. This is a great catch. (I'm curious how you found this
> bug -- was it from a production query or a fuzzing tool?)
The bug was encountered by our customer upgrading to v17 and my
colleague passed this repro to me.
--
Sergey Shinderuk https://postgrespro.com/
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