Filtering by entity key name in Google App Engine on Python
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by Bemmu
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Published on 2010-03-30T10:57:29Z
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2010/03/30
11:03 UTC
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On Google App Engine to query the data store with Python, one can use GQL or Entity.all() and then filter it. So for example these are equivalent
gql = "SELECT * FROM User WHERE age >= 18"
db.GqlQuery(gql)
and
query = User.all()
query.filter("age >=", 18)
Now, it's also possible to query things by key name. I know that in GQL you do it like this
gql = "SELECT * FROM User WHERE __key__ >= Key('User', 'abc')"
db.GqlQuery(gql)
But how would you now use filter to do the same?
query = User.all()
query.filter("__key__ >=", ?????)
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