|id|first|last|..........
|1 |.....................
|2 |.....................

|id|roll_id|member_id|status|
|1 |1      |1        |P     |
|2 |1      |2        |V     |
|3 |2      |1        |A     |
|4 |2      |2        |C     |

|id|roll_date |roll_year|
|1 |2019-03-01|2019     |
|2 |2019-03-02|2019     |

public function roll()
{
    return $this->hasMany('AppRoll');
}

public function rollmapping()
{
    return $this->hasOne('AppRollmapping', 'id','roll_id');
}