Hi Mike,

I responded to your earlier, identical thread.

-Nick Johnson

On Sun, May 17, 2009 at 9:19 PM, Mike Cantelon <[email protected]> wrote:
>
> Hi all,
>
> I'm running into a strange issue with the Python datastore API where
> using a ">" or "<" operator to filter a DateTimeProperty property
> gives me an "Error: Server Error".
>
> Here is the working code (using the "=" operator on the "created"
> property):
>
> class Session(db.Model):
>  fcid = db.StringProperty()
>  name = db.StringProperty()
>  #authenticated = db.StringProperty()
>  created = db.DateTimeProperty(auto_now_add=True)
>
> def test_case():
>  # kill existing sessions
>  q = db.GqlQuery("SELECT __key__ FROM Session")
>  results = q.fetch(10)
>  db.delete(results)
>
>  # make new session
>  session = Session()
>  session.fcid = 'mike'
>  session.name = 'Mike Cantelon'
>  session.put()
>
>  # so now if we get all sessions with a created greater than an hour
> ago
>  # we should get one
>  hour = datetime.timedelta(hours=1)
>  date_hour_ago = datetime.datetime.today() - hour
>  sessions = Session.all()
>  sessions.filter("fcid =", 'mike')
>  sessions.filter("created =", date_hour_ago)
>
>  for session in sessions:
>    print session.name
>    print session.created
>
> Here is the code that results in the error (the only difference is
> using a ">" or "<" filter operator on the "created" property):
>
> class Session(db.Model):
>  fcid = db.StringProperty()
>  name = db.StringProperty()
>  #authenticated = db.StringProperty()
>  created = db.DateTimeProperty(auto_now_add=True)
>
> def test_case():
>  # kill existing sessions
>  q = db.GqlQuery("SELECT __key__ FROM Session")
>  results = q.fetch(10)
>  db.delete(results)
>
>  # make new session
>  session = Session()
>  session.fcid = 'mike'
>  session.name = 'Mike Cantelon'
>  session.put()
>
>  # so now if we get all sessions with a created greater than an hour
> ago
>  # we should get one
>  hour = datetime.timedelta(hours=1)
>  date_hour_ago = datetime.datetime.today() - hour
>  sessions = Session.all()
>  sessions.filter("fcid =", 'mike')
>  sessions.filter("created >", date_hour_ago)
>
>  for session in sessions:
>    print session.name
>    print session.created
>
> Any advice on the underlying issue would be appreciated!
>
> Cheers,
> Mike
>
> 

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