I see that开发者_开发技巧 DataNucleus supports org.joda.DateTime http://www.datanucleus.org/products/accessplatform_2_2/jdo/types.html
Using JDO / DataNucleus / NeoDatis datastore I added @Unique to a field of a persistable object, however I am allowed to create multiple objects which violate the unique constraint. The docs for Data
I have the following data model class defined: @PersistenceCapable public class TestSerializableModelObj {
I\'m using the datastore of the Google App Engine (DataNucleus). I have two classes, one Chat and one Ratin开发者_C百科g. A chat can be rated more then ones so I created an one-many relationship by ad
I\'m successfully pulling back my objects however, I would like for them to already be sorted by a field in the object.
I\'m on windows XP using eclipse and the datanucleus enhancer for a gwt + gae app.When I run the enhancer, I get an error:
Started getting errors with SQL Server 2005 This is the first time i\'ve tested our app with Datanucleus 2.x (last test was made with DN 1.x)
I cant imagine any more methods to solve my problem.Here\'sa thread I made yesterday that describes the parent and child class in detail:https://stackoverflow.com/questions/3800450/many-to-one-unidire
I\'m trying to construct a JDOQL query (using datanucleus) that will search for m开发者_Python百科atches of a parent class based on criteria in an owned one-to-many child class.The query looks like th
I am getting below error whilst trying to persist an object that has a collection of interfaces which I want to hold a couple of different types of objects. Seems to be happening almost randomly. Some