Hi Stephen, Good observation! You're right. We don't need this property anymore. We'll update the docs.
-- Ikai Lan Developer Programs Engineer, Google App Engine Blogger: http://googleappengine.blogspot.com Reddit: http://www.reddit.com/r/appengine Twitter: http://twitter.com/app_engine On Fri, Feb 11, 2011 at 9:12 AM, Stephen Johnson <[email protected]>wrote: > Hi all, > I'm wondering if the descending indexes on keys for Java is still required > since the introduction of the __scatter__ property. The documentation still > has: > > - The entity to be mapped must have a descending index on key. There is > support for guessing the key range in the Python implementation, and we > plan > to add that same strategy to the Java implementation. > - Sharding is currently done by splitting the space of keys > lexicographically. For instance, suppose you have the keys 'a', 'ab', 'ac', > and 'e' and you request two splits. The framework will find that the first > key is 'a' and the last key is 'e'. 'a' is the first letter and 'e' is the > fifth, so the middle is 'c'. Therefore, the two splits are ['a'...'c') and > ['c'...), with the first split containing 'a', 'ab', and 'ac', and the last > split only containing 'e'. > > But I'm hoping someone knows if this has been removed since __scatter__ > property seems to be the new splitting/sharding method. > > Thanks, > Stephen > > -- > 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. > -- 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.
