classTimestampType(object):"""Choose which type that parsing TDengine timestamp data to - DATETIME: use python datetime.datetime, note that it does not support nanosecond precision, and python taos will use raw c_int64 as a fallback for nanosecond results. - NUMPY: use numpy.datetime64 type. - RAW: use raw c_int64. - TAOS: use taos' TaosTimestamp. """DATETIME=0,NUMPY=1,RAW=2,TAOS=3,classTaosTimestamp:pass