Hello!
Looks like the refresh_flush event is not triggered when the only field to
update after flush is the primary key fed from RETURNING clause. However it
should, as far as I understand what is mentioned in the documentation.
Environment: SQLAlchemy 1.0.14, PostgreSQL 9.5, Python 3.4
Here is how to reproduce this problem:
from sqlalchemy.ext.declarative import declarative_base
from sqlalchemy import Column, Integer
from sqlalchemy import create_engine
from sqlalchemy.orm import Session
from sqlalchemy import event
Base = declarative_base()
def receive_refresh_flush(target, context, attrs):
print('refresh_flush received')
class Test(Base):
__tablename__ = 'refresh_flush_test'
id = Column(Integer, primary_key=True)
# uncomment the field below to receive the event
# dummy = Column(Integer, default=0)
engine = create_engine('postgresql://test:test@localhost:5432/test')
Base.metadata.create_all(engine)
session = Session(engine)
event.listen(Test, 'refresh_flush', receive_refresh_flush)
obj = Test()
session.add(obj)
session.commit()
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