I've got a snippet of code that looks something like this....
public getSubEntities(Transaction transaction, Key parent) {
com.google.appengine.api.datastore.Query query;
com.google.appengine.api.datastore.PreparedQuery pquery;
Map<Key, Entity> out = new HashMap<Key, Entity>();
query = new
com.google.appengine.api.datastore.Query().setAncestor(parent);
pquery = datastore.prepare(transaction, query);
for (Entity e : pquery.asQueryResultIterable()) {
out.put(e.getKey(), e);
}
return out;
}
...but when I run it, it never finds any sub entities of the given key. I'm
guessing I'm missing somthing? I'm trying to find all the direct
sub-entities of the given entity key. I've checked that they're in the
datastore, but for whatever reason the loop never hits. Any suggestions? I
haven't tried this in the app engine, just the local data store.
--
Patrick H. Twohig.
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