Hi John, Looks like pictures can't be attached directly. Try uploading it somewhere and providing a link.
However, since you're talking about ranges, my guess would be that you're using SQL which is currently NOT transactional. This support currently in development though, probably other members of the community can provide more details on the progress. -Val On Tue, Jul 24, 2018 at 4:52 PM John Wilson <sami.hailu...@gmail.com> wrote: > Hi, > > Do Ignite transactions with serializable isolation level protect against > phantom reads? For example, in the below example, does Ignite, in > pessimistic mode, lock all entries in the range 10 to 30? > > Thanks. > > > >