update_vector.py 文件源码

def update(timestamp,radar,distance,bearing,latitude,longitude):
        return_datasets=[]


        add_datasets = [(
                    VectorDataset(
                        radarcode = radar,
                        timestamp = timestamp,
            distance = distance,
            bearing = bearing,
            latitude = latitude,
            longitude = longitude
                    )
                )]
        session.add_all(add_datasets)
    try: 
            session.commit()
    except exc.IntegrityError:
        print  " Can not insert duplicate vector" 
    except: 
        print "Unexpected error:", sys.exc_info()[0]
        raise

    session.close()