I am not sure what am I doning wrong here? It complains \"Joins are only supported when all fi开发者_运维技巧lters are \'equals\' filters.\" when the query is executed. How can I get around that?
Is there any way to modify the findModel method in SubService to return a Foo or Boo type rather than an Object type.
I would like to know if the following is possible in JDO. I have a 1-N relationship between a Parent and a Child class. So my classes look like
Are this JDOQL same as the following SQL? Query query = pm.newQuery(Vote.class, \":p.contains(personId)\");
I am approaching to Gwt + Gae world. My essential need is to send over the Gwt-Rpc wire my Entity classes, without duplicating them into DTOs.
I am using google app engine and JDO. In one of my servlets i am adding objects in a linkedlist and saving everything using persistence manager. Till the end of servlet it shows that everything is wor
I\'m doing an query and getting a list of albums names from my JDO, they are then displayed in a selection menu in html like this
I am dusting off my google app-engine / datastore skills ... and getting stuck on something very simple.
Here is my example: Add new entry to datastore //position 1 Add new entry to datastore //position 2 Add new entry to datastore //position 3
Google says: Note: The JDO implementation does the work to delete dependent child objects, not the datastore. If you delete a parent entity using the low-level API开发者_JAVA百科 or the Admin Consol
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