__call__ (
        self,
        where=None,
        join=(),
        outer=(),
        rename=(),
        keep=None,
        calc=(),
        groupBy=(),
        )

__getattr__ ( self,  attr )

__getitem__ ( self,  key )

attributes ( self )

clone ( self )

getCondition ( self )

getInnerRVs ( self )

getOuterRVs ( self )

keys ( self )