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SET AUTOCOMMIT = 0
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--------------
START TRANSACTION
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--------------
DROP DATABASE IF EXISTS `base`
--------------
--------------
CREATE DATABASE `base`
DEFAULT CHARACTER SET `latin1`
DEFAULT COLLATE `latin1_general_ci`
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--------------
DROP TABLE IF EXISTS `releve`
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--------------
CREATE TABLE `releve`
( `id` integer unsigned NOT NULL AUTO_INCREMENT primary key,
`date` date NOT NULL,
`numero` tinyint unsigned NOT NULL,
`valeur` decimal(15,2) NOT NULL
) ENGINE=InnoDB
DEFAULT CHARSET=`latin1` COLLATE=`latin1_general_ci`
ROW_FORMAT=COMPRESSED
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DROP TABLE IF EXISTS `moyenne_mobile`
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--------------
CREATE TABLE `moyenne_mobile`
( `releve` integer unsigned NOT NULL,
`periode` tinyint unsigned NOT NULL,
`moyenne` decimal(15,6) NOT NULL,
CONSTRAINT `FK_01` FOREIGN KEY (`releve`) REFERENCES `releve` (`id`) ON DELETE CASCADE ON UPDATE CASCADE,
primary key (`releve`,`periode`)
) ENGINE=InnoDB
DEFAULT CHARSET=`latin1` COLLATE=`latin1_general_ci`
ROW_FORMAT=COMPRESSED
--------------
--------------
DROP PROCEDURE IF EXISTS `calcul`
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--------------
CREATE PROCEDURE `calcul`
(
IN in_id integer unsigned,
IN in_date date,
IN in_numero tinyint,
IN in_periode tinyint
)
DETERMINISTIC
NO SQL
BEGIN
DECLARE _moy decimal(15,6);
select avg(valeur) into _moy from (select valeur from releve where date<=in_date and numero=in_numero order by date desc limit in_periode) as x;
replace into moyenne_mobile (`releve`,`periode`,`moyenne`) values (in_id, in_periode, _moy);
END
--------------
--------------
DROP TRIGGER IF EXISTS `insert`
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--------------
CREATE TRIGGER `insert`
AFTER insert ON `releve`
FOR EACH ROW BEGIN
call `calcul` (new.id, new.date, new.numero, 3);
call `calcul` (new.id, new.date, new.numero, 6);
call `calcul` (new.id, new.date, new.numero, 12);
END
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--------------
DROP PROCEDURE IF EXISTS `balayage`
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--------------
CREATE PROCEDURE `balayage`
(
IN in_date date,
IN in_numero tinyint,
IN in_periode tinyint
)
DETERMINISTIC
NO SQL
BEGIN
DECLARE _id INTEGER UNSIGNED DEFAULT NULL;
DECLARE _date date DEFAULT NULL;
DECLARE _fin INTEGER UNSIGNED DEFAULT 1;
DECLARE _tab CURSOR FOR SELECT id, date from `releve` where date>=in_date and numero=in_numero order by date limit in_periode;
DECLARE CONTINUE HANDLER FOR NOT FOUND SET _fin = 0;
OPEN _tab;
FETCH _tab INTO _id, _date;
WHILE (_fin)
DO
call `calcul` (_id, _date, in_numero, in_periode);
FETCH _tab INTO _id, _date;
END WHILE;
CLOSE _tab;
END
--------------
--------------
DROP TRIGGER IF EXISTS `update`
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CREATE TRIGGER `update`
AFTER update ON `releve`
FOR EACH ROW BEGIN
call `balayage` (new.date, new.numero, 3);
call `balayage` (new.date, new.numero, 6);
call `balayage` (new.date, new.numero, 12);
END
--------------
--------------
INSERT INTO `releve` (`date`,`numero`,`valeur`) VALUES
('2016-01-01', 1,120), ('2016-02-01', 1,125), ('2016-03-01', 1,130), ('2016-04-01', 1,135), ('2016-05-01', 1,140), ('2016-06-01', 1,145),
('2016-07-01', 1,150), ('2016-08-01', 1,155), ('2016-09-01', 1,160), ('2016-10-01', 1,165), ('2016-11-01', 1,170), ('2016-12-01', 1,175),
('2016-01-01', 2, 60), ('2016-02-01', 2, 62), ('2016-03-01', 2, 64), ('2016-04-01', 2, 66), ('2016-05-01', 2, 68), ('2016-06-01', 2, 70),
('2016-07-01', 2, 72), ('2016-08-01', 2, 74), ('2016-09-01', 2, 76), ('2016-10-01', 2, 78), ('2016-11-01', 2, 80), ('2016-12-01', 2, 82)
--------------
--------------
select * from releve order by numero, date
--------------
+----+------------+--------+--------+
| id | date | numero | valeur |
+----+------------+--------+--------+
| 1 | 2016-01-01 | 1 | 120.00 |
| 2 | 2016-02-01 | 1 | 125.00 |
| 3 | 2016-03-01 | 1 | 130.00 |
| 4 | 2016-04-01 | 1 | 135.00 |
| 5 | 2016-05-01 | 1 | 140.00 |
| 6 | 2016-06-01 | 1 | 145.00 |
| 7 | 2016-07-01 | 1 | 150.00 |
| 8 | 2016-08-01 | 1 | 155.00 |
| 9 | 2016-09-01 | 1 | 160.00 |
| 10 | 2016-10-01 | 1 | 165.00 |
| 11 | 2016-11-01 | 1 | 170.00 |
| 12 | 2016-12-01 | 1 | 175.00 |
| 13 | 2016-01-01 | 2 | 60.00 |
| 14 | 2016-02-01 | 2 | 62.00 |
| 15 | 2016-03-01 | 2 | 64.00 |
| 16 | 2016-04-01 | 2 | 66.00 |
| 17 | 2016-05-01 | 2 | 68.00 |
| 18 | 2016-06-01 | 2 | 70.00 |
| 19 | 2016-07-01 | 2 | 72.00 |
| 20 | 2016-08-01 | 2 | 74.00 |
| 21 | 2016-09-01 | 2 | 76.00 |
| 22 | 2016-10-01 | 2 | 78.00 |
| 23 | 2016-11-01 | 2 | 80.00 |
| 24 | 2016-12-01 | 2 | 82.00 |
+----+------------+--------+--------+
--------------
select * from moyenne_mobile order by releve
--------------
+--------+---------+------------+
| releve | periode | moyenne |
+--------+---------+------------+
| 1 | 3 | 120.000000 |
| 1 | 6 | 120.000000 |
| 1 | 12 | 120.000000 |
| 2 | 3 | 122.500000 |
| 2 | 6 | 122.500000 |
| 2 | 12 | 122.500000 |
| 3 | 3 | 125.000000 |
| 3 | 6 | 125.000000 |
| 3 | 12 | 125.000000 |
| 4 | 3 | 130.000000 |
| 4 | 6 | 127.500000 |
| 4 | 12 | 127.500000 |
| 5 | 3 | 135.000000 |
| 5 | 6 | 130.000000 |
| 5 | 12 | 130.000000 |
| 6 | 3 | 140.000000 |
| 6 | 6 | 132.500000 |
| 6 | 12 | 132.500000 |
| 7 | 3 | 145.000000 |
| 7 | 6 | 137.500000 |
| 7 | 12 | 135.000000 |
| 8 | 3 | 150.000000 |
| 8 | 6 | 142.500000 |
| 8 | 12 | 137.500000 |
| 9 | 3 | 155.000000 |
| 9 | 6 | 147.500000 |
| 9 | 12 | 140.000000 |
| 10 | 3 | 160.000000 |
| 10 | 6 | 152.500000 |
| 10 | 12 | 142.500000 |
| 11 | 3 | 165.000000 |
| 11 | 6 | 157.500000 |
| 11 | 12 | 145.000000 |
| 12 | 3 | 170.000000 |
| 12 | 6 | 162.500000 |
| 12 | 12 | 147.500000 |
| 13 | 3 | 60.000000 |
| 13 | 6 | 60.000000 |
| 13 | 12 | 60.000000 |
| 14 | 3 | 61.000000 |
| 14 | 6 | 61.000000 |
| 14 | 12 | 61.000000 |
| 15 | 3 | 62.000000 |
| 15 | 6 | 62.000000 |
| 15 | 12 | 62.000000 |
| 16 | 3 | 64.000000 |
| 16 | 6 | 63.000000 |
| 16 | 12 | 63.000000 |
| 17 | 3 | 66.000000 |
| 17 | 6 | 64.000000 |
| 17 | 12 | 64.000000 |
| 18 | 3 | 68.000000 |
| 18 | 6 | 65.000000 |
| 18 | 12 | 65.000000 |
| 19 | 3 | 70.000000 |
| 19 | 6 | 67.000000 |
| 19 | 12 | 66.000000 |
| 20 | 3 | 72.000000 |
| 20 | 6 | 69.000000 |
| 20 | 12 | 67.000000 |
| 21 | 3 | 74.000000 |
| 21 | 6 | 71.000000 |
| 21 | 12 | 68.000000 |
| 22 | 3 | 76.000000 |
| 22 | 6 | 73.000000 |
| 22 | 12 | 69.000000 |
| 23 | 3 | 78.000000 |
| 23 | 6 | 75.000000 |
| 23 | 12 | 70.000000 |
| 24 | 3 | 80.000000 |
| 24 | 6 | 77.000000 |
| 24 | 12 | 71.000000 |
+--------+---------+------------+
--------------
select tb1.id as 'identification relevé',
tb1.date as 'date du relevé',
tb1.numero as 'numéro relevé',
tb1.valeur as 'valeur du relevé',
tb2.moyenne as 'moyenne mobile 03',
tb3.moyenne as 'moyenne mobile 06',
tb4.moyenne as 'moyenne mobile 12'
from releve as tb1
inner join moyenne_mobile as tb2 on tb2.releve = tb1.id and tb2.periode = 3
inner join moyenne_mobile as tb3 on tb3.releve = tb1.id and tb3.periode = 6
inner join moyenne_mobile as tb4 on tb4.releve = tb1.id and tb4.periode = 12
order by date, numero
--------------
+-----------------------+----------------+---------------+------------------+-------------------+-------------------+-------------------+
| identification relevé | date du relevé | numéro relevé | valeur du relevé | moyenne mobile 03 | moyenne mobile 06 | moyenne mobile 12 |
+-----------------------+----------------+---------------+------------------+-------------------+-------------------+-------------------+
| 1 | 2016-01-01 | 1 | 120.00 | 120.000000 | 120.000000 | 120.000000 |
| 13 | 2016-01-01 | 2 | 60.00 | 60.000000 | 60.000000 | 60.000000 |
| 2 | 2016-02-01 | 1 | 125.00 | 122.500000 | 122.500000 | 122.500000 |
| 14 | 2016-02-01 | 2 | 62.00 | 61.000000 | 61.000000 | 61.000000 |
| 3 | 2016-03-01 | 1 | 130.00 | 125.000000 | 125.000000 | 125.000000 |
| 15 | 2016-03-01 | 2 | 64.00 | 62.000000 | 62.000000 | 62.000000 |
| 4 | 2016-04-01 | 1 | 135.00 | 130.000000 | 127.500000 | 127.500000 |
| 16 | 2016-04-01 | 2 | 66.00 | 64.000000 | 63.000000 | 63.000000 |
| 5 | 2016-05-01 | 1 | 140.00 | 135.000000 | 130.000000 | 130.000000 |
| 17 | 2016-05-01 | 2 | 68.00 | 66.000000 | 64.000000 | 64.000000 |
| 6 | 2016-06-01 | 1 | 145.00 | 140.000000 | 132.500000 | 132.500000 |
| 18 | 2016-06-01 | 2 | 70.00 | 68.000000 | 65.000000 | 65.000000 |
| 7 | 2016-07-01 | 1 | 150.00 | 145.000000 | 137.500000 | 135.000000 |
| 19 | 2016-07-01 | 2 | 72.00 | 70.000000 | 67.000000 | 66.000000 |
| 8 | 2016-08-01 | 1 | 155.00 | 150.000000 | 142.500000 | 137.500000 |
| 20 | 2016-08-01 | 2 | 74.00 | 72.000000 | 69.000000 | 67.000000 |
| 9 | 2016-09-01 | 1 | 160.00 | 155.000000 | 147.500000 | 140.000000 |
| 21 | 2016-09-01 | 2 | 76.00 | 74.000000 | 71.000000 | 68.000000 |
| 10 | 2016-10-01 | 1 | 165.00 | 160.000000 | 152.500000 | 142.500000 |
| 22 | 2016-10-01 | 2 | 78.00 | 76.000000 | 73.000000 | 69.000000 |
| 11 | 2016-11-01 | 1 | 170.00 | 165.000000 | 157.500000 | 145.000000 |
| 23 | 2016-11-01 | 2 | 80.00 | 78.000000 | 75.000000 | 70.000000 |
| 12 | 2016-12-01 | 1 | 175.00 | 170.000000 | 162.500000 | 147.500000 |
| 24 | 2016-12-01 | 2 | 82.00 | 80.000000 | 77.000000 | 71.000000 |
+-----------------------+----------------+---------------+------------------+-------------------+-------------------+-------------------+
--------------
truncate `moyenne_mobile`
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update `releve` set valeur = 200 where date = '2016-03-01' and numero = 1
--------------
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select * from releve where date = '2016-03-01' and numero = 1 order by date, numero
--------------
+----+------------+--------+--------+
| id | date | numero | valeur |
+----+------------+--------+--------+
| 3 | 2016-03-01 | 1 | 200.00 |
+----+------------+--------+--------+
--------------
select * from moyenne_mobile
--------------
+--------+---------+------------+
| releve | periode | moyenne |
+--------+---------+------------+
| 3 | 3 | 148.333333 |
| 3 | 6 | 148.333333 |
| 3 | 12 | 148.333333 |
| 4 | 3 | 153.333333 |
| 4 | 6 | 145.000000 |
| 4 | 12 | 145.000000 |
| 5 | 3 | 158.333333 |
| 5 | 6 | 144.000000 |
| 5 | 12 | 144.000000 |
| 6 | 6 | 144.166667 |
| 6 | 12 | 144.166667 |
| 7 | 6 | 149.166667 |
| 7 | 12 | 145.000000 |
| 8 | 6 | 154.166667 |
| 8 | 12 | 146.250000 |
| 9 | 12 | 147.777778 |
| 10 | 12 | 149.500000 |
| 11 | 12 | 151.363636 |
| 12 | 12 | 153.333333 |
+--------+---------+------------+
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COMMIT
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SET AUTOCOMMIT = 1
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