def __init__(self, config, data):
        self._config = config
        self._data = data
        self._state = None
        self.update()
Connect columns to their respective foreign tables
dataset/ETHPy150Open home-assistant/home-assistant/homeassistant/components/binary_sensor/apcupsd.py/OnlineStatus.__init__--crossover with--dataset/ETHPy150Open perseas/Pyrseas/pyrseas/dbobject/foreign.py/ForeignTableDict.link_refs