'Initializes the data columns, and creates the default
indexes.'

def init(self):

    self.db[self.colname_geoip_country].drop()
    self.db[self.colname_geoip_as].drop()
    self.db[self.colname_geoip_city].drop()
    self.db[self.colname_country_codes].drop()
    self.db[self.colname_city_locations].drop()
    self.create_indexes()
