| From: | Alvaro Herrera <alvherre(at)2ndquadrant(dot)com> |
|---|---|
| To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
| Cc: | Robert Haas <robertmhaas(at)gmail(dot)com>, Michael Paquier <michael(at)paquier(dot)xyz>, Andres Freund <andres(at)anarazel(dot)de>, PostgreSQL Hackers <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: TopoSort() fix |
| Date: | 2019-07-30 03:21:57 |
| Message-ID: | 20190730032157.GA652@alvherre.pgsql |
| Views: | Raw Message | Whole Thread | Download mbox | Resend email |
| Thread: | |
| Lists: | pgsql-hackers |
On 2019-Jul-29, Tom Lane wrote:
> FYI, I just got done inventing a way to reach that code, and I have
> to suspect that it's impossible to do so in production, because under
> ordinary circumstances no parallel worker will take any exclusive lock
> that isn't already held by its leader.
Hmm, okay, so this wasn't a bug that would have bit anyone in practice,
yeah? That's reassuring.
Thanks,
--
Álvaro Herrera https://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services
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