@decorators.classproperty<EOL><INDENT>def query(cls):<DEDENT>
query_class = cls.query_class<EOL>return query_class(orm_class=cls)<EOL>
return a new Query instance ready to make a db call using the child class

example -- fluid interface
    results = Orm.query.is_foo('value').desc_bar().get()

return -- Query() -- every time this is called a new query instance is created using cls.query_class