FieldType::NUMBER, self::FIELD_SEASON_TICKET_SEQ_NO => FieldType::SINGLE_LINE_TEXT, self::FIELD_VEHICLE_NO => FieldType::SINGLE_LINE_TEXT, self::FIELD_CONTRACT_START_DATE => FieldType::DATE, self::FIELD_CONTRACT_END_DATE => FieldType::DATE, ]; protected const FIELD_NAMES = [ ...parent::FIELD_NAMES, self::FIELD_SEASON_TICKET_SEQ_NO => 'season_ticket_seq_no', self::FIELD_VEHICLE_NO => 'vehicle_no', self::FIELD_CONTRACT_START_DATE => 'contract_start_date', self::FIELD_CONTRACT_END_DATE => 'contract_end_date', ]; }