Re: Re: [COMMITTERS] pgsql: Introduce group locking to prevent parallel processes from deadl

On Tue, Feb 16, 2016 at 8:37 PM, Craig Ringer <craig@2ndquadrant.com> wrote:
> On 14 February 2016 at 08:05, Robert Haas <robertmhaas@gmail.com> wrote:
>> The concept of a
>> lock group is formally separate from the concept of a parallel group
>> created by a ParallelContext, but it is not clear that there will ever
>> be any other context in which a lock group will be a good idea.
>
> Just coming back to this in terms of what Stephen and I raised: Robert, do
> you think this design as it stands can handle cases where a normal
> standalone backend gets promoted to a lock-group leader that others can then
> join?

That's the exact intended purpose of it.

-- 
Robert Haas
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