def dependencies(self):
"""Set of attributes that the `attribute` depends on. If the
`attribute` is an expresion, then returns the direct dependencies from
the expression. If the attribute is an aggregate with an unary
function operating on a measure, then the measure is considered as a
dependency. Attribute can't have both expression and measure
specified, since you can have only expression or an function, not
both.
"""
if not self.expression:
return set()
return inspect_variables(self.expression)
def dependencies(self):
"""Set of attributes that the `attribute` depends on. If the
`attribute` is an expresion, then returns the direct dependencies from
the expression. If the attribute is an aggregate with an unary
function operating on a measure, then the measure is considered as a
dependency. Attribute can't have both expression and measure
specified, since you can have only expression or an function, not
both.
"""
if not self.expression:
return set()
return inspect_variables(self.expression)