No, there isn't. Think of the datastore as a giant dictionary/hash table/whatever. Think of indexes as another dictionary where the key is:
SomeEntity:property1:value:entityKeyHere123 A "None" value is indexed, but an "empty" property is one which is not indexed. Because it's not indexed, we can't find it. -- Ikai Lan Developer Programs Engineer, Google App Engine Blogger: http://googleappengine.blogspot.com Reddit: http://www.reddit.com/r/appengine Twitter: http://twitter.com/app_engine On Tue, Jan 11, 2011 at 12:30 PM, mcnemesis <[email protected]> wrote: > > I recently had to update one of my model's properties from type * > StringProperty* to *TextProperty* in order to overcome the restrictive > limit (a maximum of 500 characters). That wasn't a problem till I realized > some of my old queries like: > > SomeEntity.gql('WHERE property1 != :1',None) > > where property1 is a property in the model couldn't work :-(. > > The query previously worked, and it did help me to only fetch those > entities that had a value set for property1. > > How can I efficiently obtain the same results in this scenario where the > type is *TextProperty*? > > -- > 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. > -- 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.
