Hi Richard, > > I have a question: > I see there is a get(Iterable<Key> keys), that only returns entities > that exist (i.e. doesn't throw an exception when an entity isn't > found). This looks like it could be really useful, e.g. as an IN > query. Is there a 'reasonable' maximum to the amount of keys you can > put in? E.g. 20, 100, 500? > The maximum number of entities in a batch put or batch delete is 500. The maximum number of entities in a batch get is 1000.
See the following document: http://code.google.com/appengine/docs/java/datastore/overview.html#Quotas_and_Limits Hope this helps, Yasuo Higa --~--~---------~--~----~------------~-------~--~----~ 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 google-appengine-java@googlegroups.com To unsubscribe from this group, send email to google-appengine-java+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/google-appengine-java?hl=en -~----------~----~----~----~------~----~------~--~---