Hello people.

3 questions:
1. is it possible to filter an property inside the Entity property?
For example:
Article(author = users.get_current_user(), skey='monmon').save()
Invite(author = users.get_current_user(), entry = Article.get('monmon')).save()

##here is the filter
invites = Invite.all().filter('entry.author =', user.get_current_user())

2. Is it possible to pass some thing like 'or' to filter ?
Some thing like this:
articles = Article.all().filter('author =',
user.get_current_user()).or('user =', user.get_current_user())

3. (not a query question). Some one know if GAE offers some kind of
facility to an invite/collaboration system ?
I need to invite google users to edit or comment on my system.

Thanks

Cheers

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