Horton

Re: TopoSort() fix

Michael Paquier <michael@paquier.xyz>

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From: Michael Paquier <michael@paquier.xyz>
To: Tom Lane <tgl@sss.pgh.pa.us>
Cc: Andres Freund <andres@anarazel.de>, Alvaro Herrera <alvherre@2ndquadrant.com>, Rui Hai Jiang <ruihaij@gmail.com>, Robert Haas <robertmhaas@gmail.com>, PostgreSQL Hackers <pgsql-hackers@postgresql.org>
Date: 2019-07-30T02:31:05Z
Lists: pgsql-hackers 
On Mon, Jul 29, 2019 at 10:56:05AM -0400, Tom Lane wrote:
> Michael Paquier <michael@paquier.xyz> writes:
>> +1.  Any volunteers?
> 
> If Robert doesn't weigh in pretty soon, I'll take responsibility for it.

Thanks Tom for taking care of it!
--
Michael

Commits

  1. Add an isolation test to exercise parallel-worker deadlock resolution.

  2. Mark advisory-lock functions as parallel restricted, not parallel unsafe.

  3. Fix busted logic for parallel lock grouping in TopoSort().