On Thu, Nov 13, 2014 at 2:26 AM, Jeff Davis <pg...@j-davis.com> wrote: > The current deadlock detector would see a dependency graph like: > > A2 -> B -> A1 > > But with lock groups, it would see: > > (A1 A2) -> B -> (A1 A2) > > which is a cycle, and can be detected regardless of the synchronization > method used between A1 and A2. There are some details to work out to > avoid false positives, of course. > > Is that about right?
Yep. -- Robert Haas EnterpriseDB: http://www.enterprisedb.com The Enterprise PostgreSQL Company -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers