I believe so. What have you observed when saving your models? On Wed, Feb 24, 2010 at 12:55 PM, Jairo Vasquez <[email protected]>wrote:
> Thanks Ikai, > > But what is the difference between empty values and None when you > define a Model in GAE? Because you just define a property without a > default value and when you create an instance of that entity, the > value will be None isn't it? > > On Feb 24, 1:36 pm, "Ikai L (Google)" <[email protected]> wrote: > > That *should* create an index. We index null values, but we don't index > > empty values. That is, if you have an entity: > > > > Animal { > > String name; > > int age; > > > > } > > > > And create 100 entities, then add: > > > > Animal { > > String name; > > int age; > > String nickname; > > > > } > > > > The 100 entities that were created will have an EMPTY nickname and will > not > > be queryable by this attribute, but Animals created after the change that > > populate this field will be indexable. > > > > On Tue, Feb 23, 2010 at 9:58 PM, Jairo Vasquez Moreno < > > > > > > > > > > > > [email protected]> wrote: > > > Hi Nick, > > > > > I know every write to Datastore creates an index entry for each > indexable > > > value. But when a value is not set (None) will an index entry be > created? > > > > > My doubt is, is it better to let a property None and then filter by > > > property=None or set the with something e.g property="-1" and then > filter by > > > property="-1". Because I'm leaving a property as None and then doing > some > > > stuff with those entity with None but this is generating more > > > DeadLineExcedeed errors as expected (even decreasing the number of > entities > > > to fetch) so I think maybe the filter is getting to much time and I > don't > > > know what else could be. > > > > > Thanks in advance. > > > > > -- > > > Jairo Vasquez Moreno > > > Mentez Developer > > >www.mentez.com > > > Medellin - Colombia > > > > > -- > > > You received this message because you are subscribed to the Google > Groups > > > "Google App Engine" group. > > > To post to this group, send email to [email protected] > . > > > To unsubscribe from this group, send email to > > > [email protected]<google-appengine%[email protected]><google-appengine%2Bunsubscrib > [email protected]> > > > . > > > For more options, visit this group at > > >http://groups.google.com/group/google-appengine?hl=en. > > > > -- > > Ikai Lan > > Developer Programs Engineer, Google App Enginehttp:// > googleappengine.blogspot.com|http://twitter.com/app_engine > > -- > You received this message because you are subscribed to the Google Groups > "Google App Engine" group. > To post to this group, send email to [email protected]. > To unsubscribe from this group, send email to > [email protected]<google-appengine%[email protected]> > . > For more options, visit this group at > http://groups.google.com/group/google-appengine?hl=en. > > -- Ikai Lan Developer Programs Engineer, Google App Engine http://googleappengine.blogspot.com | http://twitter.com/app_engine -- You received this message because you are subscribed to the Google Groups "Google App Engine" group. To post to this group, send email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/google-appengine?hl=en.
