Method _layer

dask/dataframe/dask_expr/_expr.py:3113–3117

(self)

        return self.obj.key

    def _layer(self) -> dict:
        dc = self.obj.__dask_optimize__(self.obj.dask, self.obj.key).to_dict().copy()
        dc[(self.obj.key, 0)] = dc[self.obj.key]
        dc.pop(self.obj.key)
        return dc

    def _divisions(self):
        return (None, None)