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SET AUTOCOMMIT = 0
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START TRANSACTION
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DROP DATABASE IF EXISTS `base`
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CREATE DATABASE `base`
DEFAULT CHARACTER SET `latin1`
DEFAULT COLLATE `latin1_general_ci`
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DROP TABLE IF EXISTS `hist`
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CREATE TABLE `hist`
( `id` integer unsigned NOT NULL AUTO_INCREMENT primary key,
`old` varchar(255) NULL,
`new` varchar(255) NULL
) ENGINE=InnoDB
DEFAULT CHARSET=`latin1` COLLATE=`latin1_general_ci`
ROW_FORMAT=COMPRESSED
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DROP TABLE IF EXISTS `parc`
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CREATE TABLE `parc`
( `id` integer unsigned NOT NULL primary key,
`serial` char(25) NOT NULL,
`status` integer unsigned NOT NULL,
`data` integer NOT NULL
) ENGINE=InnoDB
DEFAULT CHARSET=`latin1` COLLATE=`latin1_general_ci`
ROW_FORMAT=COMPRESSED
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CREATE TRIGGER `parc_before_insert`
BEFORE INSERT ON `parc`
FOR EACH ROW BEGIN
DECLARE _new varchar(255);
SET NEW.`data` = FLOOR(12345679 + (RAND() * 86419754));
SET _new = concat('before insert : ', cast(new.serial as char), ' -- ', cast(new.status as char), ' -- ', cast(new.data as char));
INSERT INTO `hist` (`old`,`new`) values ('', _new);
END
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CREATE TRIGGER `parc_after_insert`
AFTER INSERT ON `parc`
FOR EACH ROW BEGIN
DECLARE _new varchar(255);
SET _new = concat('after insert : ', cast(new.serial as char), ' -- ', cast(new.status as char), ' -- ', cast(new.data as char));
INSERT INTO `hist` (`old`,`new`) values ('', _new);
END
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CREATE TRIGGER `parc_before_update`
BEFORE UPDATE ON `parc`
FOR EACH ROW BEGIN
DECLARE _old varchar(255);
DECLARE _new varchar(255);
SET _old = concat('before update : ', cast(old.serial as char), ' -- ', cast(old.status as char), ' -- ', cast(old.data as char));
SET _new = concat('before update : ', cast(new.serial as char), ' -- ', cast(new.status as char), ' -- ', cast(new.data as char));
INSERT INTO `hist` (`old`,`new`) values (_old, _new);
END
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CREATE TRIGGER `parc_after_update`
AFTER UPDATE ON `parc`
FOR EACH ROW BEGIN
DECLARE _old varchar(255);
DECLARE _new varchar(255);
SET _old = concat('after update : ', cast(old.serial as char), ' -- ', cast(old.status as char), ' -- ', cast(old.data as char));
SET _new = concat('after update : ', cast(new.serial as char), ' -- ', cast(new.status as char), ' -- ', cast(new.data as char));
INSERT INTO `hist` (`old`,`new`) values (_old, _new);
END
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CREATE TRIGGER `parc_before_delete`
BEFORE DELETE ON `parc`
FOR EACH ROW BEGIN
DECLARE _old varchar(255);
SET _old = concat('before delete : ', cast(old.serial as char), ' -- ', cast(old.status as char), ' -- ', cast(old.data as char));
INSERT INTO `hist` (`old`,`new`) values (_old, '');
END
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CREATE TRIGGER `parc_after_delete`
AFTER DELETE ON `parc`
FOR EACH ROW BEGIN
DECLARE _old varchar(255);
SET _old = concat('after delete : ', cast(old.serial as char), ' -- ', cast(old.status as char), ' -- ', cast(old.data as char));
INSERT INTO `hist` (`old`,`new`) values (_old, '');
END
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INSERT INTO `parc` (`id`, `serial`, `status`) VALUES
(1, "A1", 10), (2, "A2", 10), (3, "A3", 10)
ON DUPLICATE KEY UPDATE status = values(`status`)
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select * from parc
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+----+--------+--------+----------+
| id | serial | status | data |
+----+--------+--------+----------+
| 1 | A1 | 10 | 61205804 |
| 2 | A2 | 10 | 54741178 |
| 3 | A3 | 10 | 77742801 |
+----+--------+--------+----------+
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INSERT INTO `hist` (`old`,`new`) VALUES ('------------------------------------', '------------------------------------')
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INSERT INTO `parc` (`id`, `serial`, `status`) VALUES
(1, "A1", 11), (2, "A2", 12), (3, "A3", 13)
ON DUPLICATE KEY UPDATE status = values(`status`)
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select * from parc
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+----+--------+--------+----------+
| id | serial | status | data |
+----+--------+--------+----------+
| 1 | A1 | 11 | 61205804 |
| 2 | A2 | 12 | 54741178 |
| 3 | A3 | 13 | 77742801 |
+----+--------+--------+----------+
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INSERT INTO `hist` (`old`,`new`) VALUES ('------------------------------------', '------------------------------------')
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REPLACE INTO `parc` (`id`, `serial`, `status`) VALUES (1, "A1", 14), (2, "A2", 15), (3, "A3", 16)
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select * from parc
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+----+--------+--------+----------+
| id | serial | status | data |
+----+--------+--------+----------+
| 1 | A1 | 14 | 72113386 |
| 2 | A2 | 15 | 92004406 |
| 3 | A3 | 16 | 58496688 |
+----+--------+--------+----------+
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INSERT INTO `hist` (`old`,`new`) VALUES ('------------------------------------', '------------------------------------')
--------------
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REPLACE INTO `parc` (`id`, `serial`, `status`) VALUES (4, "A1", 14), (5, "A2", 15), (6, "A3", 16)
--------------
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select * from parc
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+----+--------+--------+----------+
| id | serial | status | data |
+----+--------+--------+----------+
| 1 | A1 | 14 | 72113386 |
| 2 | A2 | 15 | 92004406 |
| 3 | A3 | 16 | 58496688 |
| 4 | A1 | 14 | 90544299 |
| 5 | A2 | 15 | 92046250 |
| 6 | A3 | 16 | 89832920 |
+----+--------+--------+----------+
--------------
select * from hist
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+----+--------------------------------------+--------------------------------------+
| id | old | new |
+----+--------------------------------------+--------------------------------------+
| 1 | | before insert : A1 -- 10 -- 61205804 |
| 2 | | after insert : A1 -- 10 -- 61205804 |
| 3 | | before insert : A2 -- 10 -- 54741178 |
| 4 | | after insert : A2 -- 10 -- 54741178 |
| 5 | | before insert : A3 -- 10 -- 77742801 |
| 6 | | after insert : A3 -- 10 -- 77742801 |
| 7 | ------------------------------------ | ------------------------------------ |
| 8 | | before insert : A1 -- 11 -- 39305288 |
| 9 | before update : A1 -- 10 -- 61205804 | before update : A1 -- 11 -- 61205804 |
| 10 | after update : A1 -- 10 -- 61205804 | after update : A1 -- 11 -- 61205804 |
| 11 | | before insert : A2 -- 12 -- 37372114 |
| 12 | before update : A2 -- 10 -- 54741178 | before update : A2 -- 12 -- 54741178 |
| 13 | after update : A2 -- 10 -- 54741178 | after update : A2 -- 12 -- 54741178 |
| 14 | | before insert : A3 -- 13 -- 56599032 |
| 15 | before update : A3 -- 10 -- 77742801 | before update : A3 -- 13 -- 77742801 |
| 16 | after update : A3 -- 10 -- 77742801 | after update : A3 -- 13 -- 77742801 |
| 17 | ------------------------------------ | ------------------------------------ |
| 18 | | before insert : A1 -- 14 -- 72113386 |
| 19 | before delete : A1 -- 11 -- 61205804 | |
| 20 | after delete : A1 -- 11 -- 61205804 | |
| 21 | | after insert : A1 -- 14 -- 72113386 |
| 22 | | before insert : A2 -- 15 -- 92004406 |
| 23 | before delete : A2 -- 12 -- 54741178 | |
| 24 | after delete : A2 -- 12 -- 54741178 | |
| 25 | | after insert : A2 -- 15 -- 92004406 |
| 26 | | before insert : A3 -- 16 -- 58496688 |
| 27 | before delete : A3 -- 13 -- 77742801 | |
| 28 | after delete : A3 -- 13 -- 77742801 | |
| 29 | | after insert : A3 -- 16 -- 58496688 |
| 30 | ------------------------------------ | ------------------------------------ |
| 31 | | before insert : A1 -- 14 -- 90544299 |
| 32 | | after insert : A1 -- 14 -- 90544299 |
| 33 | | before insert : A2 -- 15 -- 92046250 |
| 34 | | after insert : A2 -- 15 -- 92046250 |
| 35 | | before insert : A3 -- 16 -- 89832920 |
| 36 | | after insert : A3 -- 16 -- 89832920 |
+----+--------------------------------------+--------------------------------------+
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COMMIT
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SET AUTOCOMMIT = 1
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