Hi Nick,
The Javadocs need to be updated, but the method is available in SDK 1.2.1
and later. Eclipse's tool tip reports:
public Query setKeysOnly()
Makes this query fetch and return only keys, not full entities.
Returns:
this (for chaining)
Happy coding,
Jeff
On Tue, Jun 16, 2009 at 3:56 PM, Nick <ncdept...@gmail.com> wrote:
>
> Hi Jeff,
>
> I wasn't using the low level API, but now that I'm looking, I can't
> seem find the option you are talking about:
>
>
> http://code.google.com/appengine/docs/java/javadoc/com/google/appengine/api/datastore/Query.html
>
> I'm probably missing something here, but could you point me to the
> documentation or supply a code sample by any chance?
>
> Thanks,
> Nick
>
>
> On Jun 16, 1:17 pm, "Jeff S (Google)" <j...@google.com> wrote:
> > Hi Nick,
> >
> > The Java API does have a setKeysOnly() method on the low level Query
> class
> > which will allow you to fetch just the keys. Are you using the lower
> level
> > API? In a future release the JDO/JPA layer will make use of this
> > method for queries
> > that only request the key property.
> >
> > Happy coding,
> >
> > Jeff
> >
> > On Sun, Jun 14, 2009 at 12:30 PM, Nick <ncdept...@gmail.com> wrote:
> >
> > > Hi Guys,
> >
> > > I realize that key only queries are now supported with the Python SDK,
> > > but I can't seem to find this support for Java. Can this be done with
> > > the Java API and if so, can you point me toward the documentation for
> > > this?
> >
> > > If not, will this be supported for Java soon? This is a nice feature
> > > and could significantly improve performance in my application.
> >
> > > Thanks,
> > > Nick
> >
>
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