Scan the entire dataset for a random sample

scan-the-dataset.py

def print_sensor_data(rec, pp):
    k, _, b = rec
    print(k[2])
    print(b['t'])
    print("=" * 30)


print("\nScan for a random sampling (about 0.25%) of all the sensor data")
if options.interactive:
    pause()
predexp =  [
    pxp.rec_digest_modulo(365),
    pxp.integer_value(1),
    pxp.integer_equal()
]
query = client.query(namespace, set)
query.predexp(predexp)
query.foreach(print_sensor_data)