Simplified handling of expressions in StatAggregate.
@@ -11,16 +11,7 @@ class StatAggregate(Aggregate):
def __init__(self, y, x, output_field=FloatField()):
if not x or not y:
raise ValueError('Both y and x must be provided.')
- super().__init__(y=y, x=x, output_field=output_field)
- self.x = x
- self.y = y
- self.source_expressions = self._parse_expressions(self.y, self.x)
-
- def get_source_expressions(self):
- return self.y, self.x
-
- def set_source_expressions(self, exprs):
- self.y, self.x = exprs
+ super().__init__(y, x, output_field=output_field)
def resolve_expression(self, query=None, allow_joins=True, reuse=None, summarize=False, for_save=False):
return super().resolve_expression(query, allow_joins, reuse, summarize)
