Comments on message.send(): JDO Support Spreads For Good Reason

While JPA is supported, it has API methods like "c...

2009-05-16T23:46:00.000-07:00

While JPA is supported, it has API methods like "createNativeQuery" which accepts ... SQL. Hence of no use whatsoever to BigTable. The JDO API allows an implementation to support other query languages, so Google could add an implementation of GQL through that API with very little effort; impossible with JPA.

Many JPA annotations are tailored to RDBMS, whereas JDO provides genericity,

@Chris, Yes, JPA is indeed supported, at least th...

2009-05-14T13:28:00.000-07:00

@Chris,

Yes, JPA is indeed supported, at least the parts that are not relationally specific. I would recommend using the JDO API, since most of the JPA API is a functional subset of the JDO API. I'll try to work on a detailed document of some the differences between the two APIs for everyone's benefit.

To me, GAEJ+JDO is round hole/round peg, GAEJ+JPA is a round hole/

JPA can be used with GAE, at least it's on the fea...

2009-05-14T13:13:00.000-07:00

JPA can be used with GAE, at least it's on the feature list:

http://code.google.com/appengine/docs/java/datastore/usingjpa.html