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| --------------
START TRANSACTION
--------------
--------------
DROP DATABASE IF EXISTS `base`
--------------
--------------
CREATE DATABASE IF NOT EXISTS `base`
DEFAULT CHARACTER SET `latin1`
DEFAULT COLLATE `latin1_general_ci`
--------------
--------------
DROP TABLE IF EXISTS `fournisseur`
--------------
--------------
CREATE TABLE `fournisseur`
( `num` integer unsigned NOT NULL auto_increment primary key,
`lib` varchar(255) NOT NULL
) ENGINE=InnoDB
DEFAULT CHARSET=`latin1` COLLATE=`latin1_general_ci`
ROW_FORMAT=COMPRESSED
--------------
--------------
INSERT INTO `fournisseur` (`lib`) values
('Fournisseur Un'),('Fournisseur Deux'),('Fournisseur Trois'),('Fournisseur Quatre'),('Fournisseur Cinq')
--------------
--------------
select * from `fournisseur`
--------------
+-----+--------------------+
| num | lib |
+-----+--------------------+
| 1 | Fournisseur Un |
| 2 | Fournisseur Deux |
| 3 | Fournisseur Trois |
| 4 | Fournisseur Quatre |
| 5 | Fournisseur Cinq |
+-----+--------------------+
--------------
DROP TABLE IF EXISTS `stock`
--------------
--------------
CREATE TABLE `stock`
( `ref` integer unsigned NOT NULL auto_increment primary key,
`description` varchar(255) NOT NULL,
`etat` integer NOT NULL,
`initial` integer NULL default 0,
`date_deb` date NULL default NULL,
`date_fin` date NOT NULL
) ENGINE=InnoDB
DEFAULT CHARSET=`latin1` COLLATE=`latin1_general_ci`
ROW_FORMAT=COMPRESSED
--------------
--------------
INSERT INTO `stock` (`description`, `etat`,`date_fin`) values
('Stock A',0,'2022-12-31'),('Stock B',0,'2022-12-31'),('Stock C',0,'2022-12-31'),('Stock D',0,'2022-12-31'),('Stock E',0,'2022-12-31')
--------------
--------------
select * from `stock`
--------------
+-----+-------------+------+---------+----------+------------+
| ref | description | etat | initial | date_deb | date_fin |
+-----+-------------+------+---------+----------+------------+
| 1 | Stock A | 0 | 0 | NULL | 2022-12-31 |
| 2 | Stock B | 0 | 0 | NULL | 2022-12-31 |
| 3 | Stock C | 0 | 0 | NULL | 2022-12-31 |
| 4 | Stock D | 0 | 0 | NULL | 2022-12-31 |
| 5 | Stock E | 0 | 0 | NULL | 2022-12-31 |
+-----+-------------+------+---------+----------+------------+
--------------
DROP TABLE IF EXISTS `entree`
--------------
--------------
CREATE TABLE `entree`
( `id` integer unsigned NOT NULL auto_increment primary key,
`ref_fk` integer unsigned NOT NULL,
`num_fk` integer unsigned NOT NULL,
`qte` integer NOT NULL,
`date` date NOT NULL,
CONSTRAINT `FK_01` FOREIGN KEY (`ref_fk`) REFERENCES `stock` (`ref`) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT `FK_02` FOREIGN KEY (`num_fk`) REFERENCES `fournisseur` (`num`) ON DELETE CASCADE ON UPDATE CASCADE
) ENGINE=InnoDB
DEFAULT CHARSET=`latin1` COLLATE=`latin1_general_ci`
ROW_FORMAT=COMPRESSED
--------------
--------------
DROP TRIGGER IF EXISTS `ajouter`
--------------
--------------
CREATE TRIGGER `ajouter`
BEFORE INSERT ON `entree`
FOR EACH ROW
BEGIN
update `stock` set `etat` = `etat` + NEW.qte where `ref` = NEW.`ref_fk`;
END
--------------
--------------
INSERT INTO `entree` (`ref_fk`,`num_fk`,`qte`,`date`) values
(1,2, 25,'2023-01-01'),(2,3, 50,'2023-01-02'),(3,4, 50,'2023-01-03'),(4,5, 10,'2023-01-04'),(5,1, 40,'2023-01-05'),
(1,3, 10,'2023-01-06'),(2,4, 10,'2023-01-07'),(3,5, 10,'2023-01-08'),(4,1, 40,'2023-01-09'),(5,2, 40,'2023-01-10'),
(1,4, 30,'2023-01-11'),(2,5, 10,'2023-01-12'),(3,1, 20,'2023-01-13'),(4,2, 15,'2023-01-14'),(5,3, 30,'2023-01-15')
--------------
--------------
select * from `entree`
--------------
+----+--------+--------+-----+------------+
| id | ref_fk | num_fk | qte | date |
+----+--------+--------+-----+------------+
| 1 | 1 | 2 | 25 | 2023-01-01 |
| 2 | 2 | 3 | 50 | 2023-01-02 |
| 3 | 3 | 4 | 50 | 2023-01-03 |
| 4 | 4 | 5 | 10 | 2023-01-04 |
| 5 | 5 | 1 | 40 | 2023-01-05 |
| 6 | 1 | 3 | 10 | 2023-01-06 |
| 7 | 2 | 4 | 10 | 2023-01-07 |
| 8 | 3 | 5 | 10 | 2023-01-08 |
| 9 | 4 | 1 | 40 | 2023-01-09 |
| 10 | 5 | 2 | 40 | 2023-01-10 |
| 11 | 1 | 4 | 30 | 2023-01-11 |
| 12 | 2 | 5 | 10 | 2023-01-12 |
| 13 | 3 | 1 | 20 | 2023-01-13 |
| 14 | 4 | 2 | 15 | 2023-01-14 |
| 15 | 5 | 3 | 30 | 2023-01-15 |
+----+--------+--------+-----+------------+
--------------
DROP TABLE IF EXISTS `sortie`
--------------
--------------
CREATE TABLE `sortie`
( `id` integer unsigned NOT NULL auto_increment primary key,
`ref_fk` integer unsigned NOT NULL,
`qte` integer NOT NULL,
`date` date NOT NULL,
CONSTRAINT `FK_03` FOREIGN KEY (`ref_fk`) REFERENCES `stock` (`ref`) ON DELETE CASCADE ON UPDATE CASCADE
) ENGINE=InnoDB
DEFAULT CHARSET=`latin1` COLLATE=`latin1_general_ci`
ROW_FORMAT=COMPRESSED
--------------
--------------
DROP TRIGGER IF EXISTS `retrancher`
--------------
--------------
CREATE TRIGGER `retrancher`
BEFORE INSERT ON `sortie`
FOR EACH ROW
BEGIN
update `stock` set `etat` = `etat` - NEW.qte where `ref` = NEW.`ref_fk`;
END
--------------
--------------
INSERT INTO `sortie` (`ref_fk`,`qte`,`date`) values
(1, 05,'2023-01-06'),(2, 10,'2023-01-09'),(3, 20,'2023-01-10'),(4, 10,'2023-01-12'),(5, 40,'2023-01-15')
--------------
--------------
select * from `sortie`
--------------
+----+--------+-----+------------+
| id | ref_fk | qte | date |
+----+--------+-----+------------+
| 1 | 1 | 5 | 2023-01-06 |
| 2 | 2 | 10 | 2023-01-09 |
| 3 | 3 | 20 | 2023-01-10 |
| 4 | 4 | 10 | 2023-01-12 |
| 5 | 5 | 40 | 2023-01-15 |
+----+--------+-----+------------+
--------------
select * from `stock`
--------------
+-----+-------------+------+---------+----------+------------+
| ref | description | etat | initial | date_deb | date_fin |
+-----+-------------+------+---------+----------+------------+
| 1 | Stock A | 60 | 0 | NULL | 2022-12-31 |
| 2 | Stock B | 60 | 0 | NULL | 2022-12-31 |
| 3 | Stock C | 60 | 0 | NULL | 2022-12-31 |
| 4 | Stock D | 55 | 0 | NULL | 2022-12-31 |
| 5 | Stock E | 70 | 0 | NULL | 2022-12-31 |
+-----+-------------+------+---------+----------+------------+
--------------
update `stock` set `date_deb` = `date_fin`, `date_fin` = '2023-01-10'
--------------
--------------
drop view if exists `vue_1`
--------------
--------------
create view `vue_1` as
select ref_fk,
max(`entree_qte`) as entree_qte,
max(`sortie_qte`) as sortie_qte
from ( select t1.`ref_fk`,
sum(t1.`qte`) as entree_qte,
0 as sortie_qte
from `entree` as t1
inner join `stock` as t2
on t2.`ref` = t1.`ref_fk`
where t1.`date` > t2.`date_deb`
and t1.`date` <= t2.`date_fin`
group by t1.`ref_fk`
union
select t1.`ref_fk`,
0 as entree_qte,
sum(t1.`qte`) as sortie_qte
from `sortie` as t1
inner join `stock` as t2
on t2.`ref` = t1.`ref_fk`
where t1.`date` > t2.`date_deb`
and t1.`date` <= t2.`date_fin`
group by t1.`ref_fk`
) as x
group by ref_fk
--------------
--------------
select * from `vue_1`
--------------
+--------+------------+------------+
| ref_fk | entree_qte | sortie_qte |
+--------+------------+------------+
| 1 | 35 | 5 |
| 2 | 60 | 10 |
| 3 | 60 | 20 |
| 4 | 50 | 0 |
| 5 | 80 | 0 |
+--------+------------+------------+
--------------
update `stock` as t1
inner join `vue_1` as t2
set t1.`initial` = t2.`entree_qte` - t2.`sortie_qte`
where t1.`ref` = t2.`ref_fk`
--------------
--------------
select * from `stock`
--------------
+-----+-------------+------+---------+------------+------------+
| ref | description | etat | initial | date_deb | date_fin |
+-----+-------------+------+---------+------------+------------+
| 1 | Stock A | 60 | 30 | 2022-12-31 | 2023-01-10 |
| 2 | Stock B | 60 | 50 | 2022-12-31 | 2023-01-10 |
| 3 | Stock C | 60 | 40 | 2022-12-31 | 2023-01-10 |
| 4 | Stock D | 55 | 50 | 2022-12-31 | 2023-01-10 |
| 5 | Stock E | 70 | 80 | 2022-12-31 | 2023-01-10 |
+-----+-------------+------+---------+------------+------------+
--------------
drop view if exists `vue_2`
--------------
--------------
create view `vue_2` as
select ref_fk,
max(`entree_qte`) as entree_qte,
max(`sortie_qte`) as sortie_qte
from ( select t1.`ref_fk`,
sum(t1.`qte`) as entree_qte,
0 as sortie_qte
from `entree` as t1
inner join `stock` as t2
on t2.`ref` = t1.`ref_fk`
where t1.`date` > t2.`date_fin`
group by t1.`ref_fk`
union
select t1.`ref_fk`,
0 as entree_qte,
sum(t1.`qte`) as sortie_qte
from `sortie` as t1
inner join `stock` as t2
on t2.`ref` = t1.`ref_fk`
where t1.`date` > t2.`date_fin`
group by t1.`ref_fk`
) as x
group by ref_fk
--------------
--------------
select * from `vue_2`
--------------
+--------+------------+------------+
| ref_fk | entree_qte | sortie_qte |
+--------+------------+------------+
| 1 | 30 | 0 |
| 2 | 10 | 0 |
| 3 | 20 | 0 |
| 4 | 15 | 10 |
| 5 | 30 | 40 |
+--------+------------+------------+
--------------
drop view if exists `vue_5`
--------------
--------------
create view `vue_3` as
select t1.`description`,
t1.`initial`,
t1.`date_deb`,
t1.`date_fin`,
t2.entree_qte,
t2.sortie_qte,
t1.`initial` + t2.entree_qte - t2.sortie_qte as reel_qte,
t1.`etat`,
t1.`initial` + t2.entree_qte - t2.sortie_qte - t1.`etat` as 'difference'
from `stock` as t1
inner join `vue_2` as t2
on t2.`ref_fk` = t1.`ref`
--------------
--------------
select * from `vue_3`
--------------
+-------------+---------+------------+------------+------------+------------+----------+------+------------+
| description | initial | date_deb | date_fin | entree_qte | sortie_qte | reel_qte | etat | difference |
+-------------+---------+------------+------------+------------+------------+----------+------+------------+
| Stock A | 30 | 2022-12-31 | 2023-01-10 | 30 | 0 | 60 | 60 | 0 |
| Stock B | 50 | 2022-12-31 | 2023-01-10 | 10 | 0 | 60 | 60 | 0 |
| Stock C | 40 | 2022-12-31 | 2023-01-10 | 20 | 0 | 60 | 60 | 0 |
| Stock D | 50 | 2022-12-31 | 2023-01-10 | 15 | 10 | 55 | 55 | 0 |
| Stock E | 80 | 2022-12-31 | 2023-01-10 | 30 | 40 | 70 | 70 | 0 |
+-------------+---------+------------+------------+------------+------------+----------+------+------------+
--------------
update `stock` as t1
inner join `vue_2` as t2
set t1.`initial` = t1.`initial` + t2.`entree_qte` - t2.`sortie_qte`, t1.`etat` = 0
where t1.`ref` = t2.`ref_fk`
--------------
--------------
select * from `stock`
--------------
+-----+-------------+------+---------+------------+------------+
| ref | description | etat | initial | date_deb | date_fin |
+-----+-------------+------+---------+------------+------------+
| 1 | Stock A | 0 | 60 | 2022-12-31 | 2023-01-10 |
| 2 | Stock B | 0 | 60 | 2022-12-31 | 2023-01-10 |
| 3 | Stock C | 0 | 60 | 2022-12-31 | 2023-01-10 |
| 4 | Stock D | 0 | 55 | 2022-12-31 | 2023-01-10 |
| 5 | Stock E | 0 | 70 | 2022-12-31 | 2023-01-10 |
+-----+-------------+------+---------+------------+------------+
--------------
COMMIT
--------------
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