Hello, i have 2 classes:
class ModelA:
_name = "model.a"
first_field = fields.One2many(
comodel_name="model.b",
inverse_name="second_field",
ondelete="cascade"
)
class ModelB:
_name = "model.b"
second_field = fields.Many2one(
comodel_name="model.a",
ondelete="cascade"
)
If one2many is deleted, many2one will also be deleted. However, if many2one is deleted, the data in one2many still remains. How to delete the one2many if many2one has been deleted?