Google App Engine ～ クエリとその制限 | R-Labspackage com.sample.util; import java.util.ArrayList; import java.util.Iterator; import java.util.List; import com.google.appengine.api.datastore.DatastoreServiceFactory; import com.google.appengine.api.datastore.Entity; import com.google.appengine.api.datastore.FetchOptions; import com.google.appengine.api.datastore.Key; import com.google.appengine.api.datastore.PreparedQuery; import com.google.ap
