[sqlalchemy] SA ORM delete efficiency

Hi! I have a little questions about how does the SA work: Example: I borrowed a model from SA documentation example User/Address. My mapper is mapper(Address, addresses_table) mapper(User, users_table, properties = { 'addresses' : relation(Address, cascade="all, delete-orphan")

[sqlalchemy] SA ORM delete efficiency

Hi! I have a little questions about how does the SA work: Example: I borrowed a model from SA documentation example User/Address. My mapper is mapper(Address, addresses_table) mapper(User, users_table, properties = { 'addresses' : relation(Address, cascade="all, delete-orphan")