def partitioning(self):
        return project_partitioning(self.columnlist, self.input.partitioning())
Use special form during creation.
dataset/ETHPy150Open uwescience/raco/raco/algebra.py/Project.partitioning--crossover with--dataset/ETHPy150Open evennia/evennia/evennia/objects/admin.py/ObjectDBAdmin.get_form