Python rollback Beispiele

Beispiel #1

Datei: tasks_generator.py Projekt: alex2018hillel/Site_Flask

def delete_Pages():
    try:
        num_rows_deleted = db_session.query(Pages).delete()
        db_session.commit()
    except:
        db_session.rollback()

Beispiel #2

Datei: car.py Projekt: alex2018hillel/Site_Flask

def delete_Users():
    try:
        num_rows_deleted = db_session.query(Cars).delete()
        db_session.commit()
    except:
        db_session.rollback()

Beispiel #3

def delete_Message():
    try:
        num_rows_deleted = db_session.query(Message).delete()
        db_session.commit()
    except:
        db_session.rollback()