呼び出されたテーブルが更新、挿入、または削除されたときに、mysql トリガーを実行してテーブルleave_taken
colの値を更新したいと考えています。num
leave
この行をに挿入した場合のようにleave
:
INSERT INTO `leave` (`id_leave`, `staff_leave_application_id_staff_leave_application`, `staff_leave_application_staff_id_staff`, `leave_type_id_leave_type`, `date`, `active`, `date_updated`) VALUES
(7, 7, 6, 7, '2013-01-21', 1, '2013-01-18'),
(8, 7, 6, 7, '2013-01-22', 1, '2013-01-18'),
(9, 7, 6, 7, '2013-01-23', 1, '2013-01-18'),
(10, 7, 6, 7, '2013-01-24', 1, '2013-01-18'),
(11, 7, 6, 7, '2013-01-25', 2, '2013-01-18');
次に、テーブルのleave_taken
colnum
値が次のように更新されまし5
た。
staff_leave_application_staff_id_staff = currently updated staff_leave_application_staff_id_staff,
and
leave_type_id_leave_type = currently updated leave_type_id_leave_type
以下の表を含めました。
テーブル休暇
CREATE TABLE IF NOT EXISTS `leave` (
`id_leave` int(11) NOT NULL AUTO_INCREMENT,
`staff_leave_application_id_staff_leave_application` int(11) NOT NULL,
`staff_leave_application_staff_id_staff` int(11) NOT NULL,
`leave_type_id_leave_type` int(11) NOT NULL,
`date` date NOT NULL,
`active` int(11) NOT NULL DEFAULT '1',
`date_updated` date NOT NULL,
PRIMARY KEY (`id_leave`,`staff_leave_application_id_staff_leave_application`,`staff_leave_application_staff_id_staff`),
KEY `fk_table1_leave_type1` (`leave_type_id_leave_type`),
KEY `fk_table1_staff_leave_application1` (`staff_leave_application_id_staff_leave_application`,`staff_leave_application_staff_id_staff`)
) ENGINE=InnoDB DEFAULT CHARSET=latin1 AUTO_INCREMENT=12 ;
テーブル 取得休暇:
CREATE TABLE IF NOT EXISTS `leave_balance` (
`id_leave_balance` int(11) NOT NULL AUTO_INCREMENT,
`staff_id_staff` int(11) NOT NULL,
`leave_type_id_leave_type` int(11) NOT NULL,
`balance` int(3) NOT NULL,
`date_added` date NOT NULL,
PRIMARY KEY (`id_leave_balance`),
UNIQUE KEY `id_leave_balance_UNIQUE` (`id_leave_balance`),
KEY `fk_leave_balance_staff1` (`staff_id_staff`),
KEY `fk_leave_balance_leave_type1` (`leave_type_id_leave_type`)
) ENGINE=InnoDB DEFAULT CHARSET=latin1 AUTO_INCREMENT=1 ;