Hi, You should read http://code.google.com/appengine/articles/transaction_isolation.html
You will get there most of your answers regards didier On Dec 23, 4:36 pm, Michael Green <[email protected]> wrote: > I have a relationship model with one-to-many relationships between a > grandparent, multiple parents each with multiple children. If I model these > as owned, will wrapping an update to one of the grandchildren inside a > transaction lock the entire entity group for all descendants of a single > grandparent? Does the answer differ if the ownership is uni-directional vs. > bidirectional? -- You received this message because you are subscribed to the Google Groups "Google App Engine for Java" group. To post to this group, send email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/google-appengine-java?hl=en.
