Re: BUG #18986: SIGSEGV in nodeModifyTable.c during Parallel Execution

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От Yaroslav Syrytsia
Тема Re: BUG #18986: SIGSEGV in nodeModifyTable.c during Parallel Execution
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Msg-id 2109154296.466969.1752658413508@office-sso.mailbox.org
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Ответ на Re: BUG #18986: SIGSEGV in nodeModifyTable.c during Parallel Execution  (Tom Lane <tgl@sss.pgh.pa.us>)
Список pgsql-bugs
Hello,

I made a small reproducer here - https://github.com/joy4eg/pg-merge-crash

It creates a few tables and then executes MERGE statements in parallel. 

Yaroslav.

> On 2025-07-15 20:13 CEST Tom Lane <tgl@sss.pgh.pa.us> wrote:
> 
>  
> PG Bug reporting form <noreply@postgresql.org> writes:
> > During testing a flow in an app, I encountered a segfault that only happens
> > during parallel execution:
> > https://gist.github.com/joy4eg/708458e204f52129a8e54a13534586b7
> 
> This report isn't terribly helpful, since you have not explained
> how to trigger the crash.  If we can't duplicate it, it's hard
> to decide what is the appropriate fix.
> 
>             regards, tom lane



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