check is None instead of is_empty for sparse fields - Githubissues

heynemann / motorengine

Motorengine is a port of MongoEngine for Tornado.

http://motorengine.readthedocs.org

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check is None instead of is_empty for sparse fields #108

Closed etataurov closed 6 years ago

etataurov commented 8 years ago

because None is the proper way to show absence of value.

following discussion in #106