*don't exist if you use a toolkit that maps Entities to typesafe classes. That's not to say mapped classes aren't useful; they're probably the 95% case. But for that 5%, it's nice to be able to pull additional tricks out of your toolbelt.
On Fri, Sep 10, 2010 at 11:18 AM, Ikai L (Google) <[email protected]> wrote: > I think learning the low-level API is a must for all Java developers. It > opens your mind to possible solutions that don't exist. With > JDO/JPA/Objectify/db.Model, every Entity has the same schema because that > makes it easier to map data to object definitions. With the low-level API, > you can have dynamically named properties, partial indexes (Objectify > supports this), and you understand the distinction between empty and null > properties. > > > On Fri, Sep 10, 2010 at 6:01 AM, Jaroslav Záruba < > [email protected]> wrote: > >> That's yet another 'proof' for me that Objectify should replace JDO in >> GAE, officially! :P >> >> >> On Fri, Sep 10, 2010 at 5:11 AM, Dmitriy T. <[email protected]> wrote: >> >>> The author of this article just underqualified. >>> >>> For example: >>> "So I took to writing the service in Python. I quickly realized that >>> Python had much more control over the datastore. It was really easy to >>> pick which fields to index and which fields to ignore. In Java, all >>> fields were indexed." >>> >>> He even don't know how to make unindexed property in Java. About Java >>> GAE low-level API or about Objectify he probably know nothing. >>> >>> >>> On Sep 10, 1:19 am, Francois Masurel <[email protected]> wrote: >>> > I've just found this article about App Engine : >>> > >>> > http://moderndeveloper.blogspot.com/2010/09/google-app-engine-scaling. >>> .. >>> > >>> > They say that Python is 50% faster than Java for their specific use >>> > case. >>> > >>> > Does that mean that we should preferably use Python for heavy traffic >>> > services ? >>> > >>> > Francois >>> >>> -- >>> You received this message because you are subscribed to the Google Groups >>> "Google App Engine" group. >>> To post to this group, send email to [email protected]. >>> To unsubscribe from this group, send email to >>> [email protected]<google-appengine%[email protected]> >>> . >>> For more options, visit this group at >>> http://groups.google.com/group/google-appengine?hl=en. >>> >>> >> -- >> You received this message because you are subscribed to the Google Groups >> "Google App Engine" group. >> To post to this group, send email to [email protected]. >> To unsubscribe from this group, send email to >> [email protected]<google-appengine%[email protected]> >> . >> For more options, visit this group at >> http://groups.google.com/group/google-appengine?hl=en. >> > > > > -- > Ikai Lan > Developer Programs Engineer, Google App Engine > Blog: http://googleappengine.blogspot.com > Twitter: http://twitter.com/app_engine > Reddit: http://www.reddit.com/r/appengine > > -- Ikai Lan Developer Programs Engineer, Google App Engine Blog: http://googleappengine.blogspot.com Twitter: http://twitter.com/app_engine Reddit: http://www.reddit.com/r/appengine -- You received this message because you are subscribed to the Google Groups "Google App Engine" 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?hl=en.
