With cx_Oracle 7.0, DML RETURNING statements now return a list instead of a scalar. I suspect all statements in Pony using RETURNING INTO are affected, but I specifically encountered entities with an auto generated PK fail in pony.orm.core._save_created_ at line 4943, raising TypeError: unhashable type: 'list'
See https://github.com/oracle/python-cx_Oracle/issues/224
With cx_Oracle 7.0, DML RETURNING statements now return a list instead of a scalar. I suspect all statements in Pony using RETURNING INTO are affected, but I specifically encountered entities with an auto generated PK fail in
pony.orm.core._save_created_at line 4943, raisingTypeError: unhashable type: 'list'See https://github.com/oracle/python-cx_Oracle/issues/224