Re: Potential G2-item cycles under serializable isolation - Mailing list pgsql-bugs

From Thomas Munro
Subject Re: Potential G2-item cycles under serializable isolation
Date
Msg-id CA+hUKGKZ6fxeFS9GwfBMpCccpOPM1mhpX4KkXtB6b3uHk8MjwA@mail.gmail.com
Whole thread Raw
In response to Re: Potential G2-item cycles under serializable isolation  (Kyle Kingsbury <aphyr@jepsen.io>)
List pgsql-bugs
On Mon, Jun 1, 2020 at 4:05 PM Kyle Kingsbury <aphyr@jepsen.io> wrote:
> I'll also see about getting a version of these tests that doesn't involve ON CONFLICT, in case that's relevant.

That should be interesting.  I'm wondering if the read of the old
value in the UPDATE case is not done with appropriate predicate locks,
so we miss a graph edge?



pgsql-bugs by date:

Previous
From: Kyle Kingsbury
Date:
Subject: Re: Potential G2-item cycles under serializable isolation
Next
From: Peter Geoghegan
Date:
Subject: Re: Potential G2-item cycles under serializable isolation