# synchronize newly inserted ids from one table to the next
# TODO: this performs some unnecessary attribute transfers
# from an attribute to itself, since the attribute is often mapped
- # to multiple, equivalent columns
- if mapper.__inherits_equated_pairs:
- sync.populate(state, mapper, state, mapper, mapper.__inherits_equated_pairs)
+ # to multiple, equivalent columns. it also may fire off more
+ # than needed overall.
+ for m in mapper.iterate_to_root():
+ if m.__inherits_equated_pairs:
+ sync.populate(state, m, state, m, m.__inherits_equated_pairs)
# testlib.pragma exempt:__hash__
inserted_objects.add((state, connection))