Hi! Are you using a billable account in appengine? I'm wondering if I can
use the blobstore service even with a free account. If not, are there other
alternatives for blobstore so that I can upload and retrieve a file? Thanks
On Tue, Sep 7, 2010 at 2:57 AM, Peter Liu <tinyee...@gmail.com> wrote:
> Just what I needed. Thank you.
>
> On Sep 6, 1:38 am, Sergio Lopes <slo...@gmail.com> wrote:
> > I'm using the Datastore API to query __BlobInfo__ entity directly.
> > In my case, for example, I can have multiple versions of the same
> > filename but I need to get the last one.
> > So:
> >
> > Query query = new Query("__BlobInfo__");
> > query.addFilter("filename", FilterOperator.EQUAL, filename);
> > query.addSort("creation", SortDirection.DESCENDING);
> >
> > DatastoreService datastore =
> > DatastoreServiceFactory.getDatastoreService();
> > PreparedQuery pq = datastore.prepare(query);
> > List<Entity> entList = pq.asList(FetchOptions.Builder.withLimit(1));
> >
> > Hope that helps...
> >
> > On 6 set, 05:13, Peter Liu <tinyee...@gmail.com> wrote:
> >
> > > Hi all,
> >
> > > Anyone know a simple way to query BlobInfo?
> >
> > > Simple use case will be query the BlobInfo that has a specific file
> > > name.
> >
> > > It seems there's a method to query BlobInfo for Python but I can't
> > > find it for java.
> >
> > > Thanks!
>
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