1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178
|
--------------
SET AUTOCOMMIT = 0
--------------
--------------
START TRANSACTION
--------------
--------------
DROP DATABASE IF EXISTS `base`
--------------
--------------
CREATE DATABASE `base`
DEFAULT CHARACTER SET `latin1`
DEFAULT COLLATE `latin1_general_ci`
--------------
--------------
DROP TABLE IF EXISTS `pere`
--------------
--------------
CREATE TABLE `pere`
( `id` 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 `pere` (`lib`) values
('un'),('deux'),('trois')
--------------
--------------
select * from pere
--------------
+----+-------+
| id | lib |
+----+-------+
| 1 | un |
| 2 | deux |
| 3 | trois |
+----+-------+
--------------
DROP TABLE IF EXISTS `fils1`
--------------
--------------
CREATE TABLE `fils1`
( `id` integer unsigned NOT NULL auto_increment primary key,
`pere_id` integer unsigned NOT NULL,
`montant` decimal(15,2) NULL,
CONSTRAINT `FK_FILS1_PERE` FOREIGN KEY (`pere_id`) REFERENCES `pere` (`id`) ON DELETE CASCADE ON UPDATE CASCADE
) ENGINE=InnoDB
DEFAULT CHARSET=`latin1` COLLATE=`latin1_general_ci`
ROW_FORMAT=COMPRESSED
--------------
--------------
insert into `fils1` (`pere_id`,`montant`) values
(1,10.00),(1,25.00),(1, 5.00),(2,14.00),(2,26.00),(3,28.00),(3,12.00)
--------------
--------------
select * from fils1
--------------
+----+---------+---------+
| id | pere_id | montant |
+----+---------+---------+
| 1 | 1 | 10.00 |
| 2 | 1 | 25.00 |
| 3 | 1 | 5.00 |
| 4 | 2 | 14.00 |
| 5 | 2 | 26.00 |
| 6 | 3 | 28.00 |
| 7 | 3 | 12.00 |
+----+---------+---------+
--------------
DROP TABLE IF EXISTS `fils2`
--------------
--------------
CREATE TABLE `fils2`
( `id` integer unsigned NOT NULL auto_increment primary key,
`pere_id` integer unsigned NOT NULL,
`montant` decimal(15,2) NULL,
CONSTRAINT `FK_FILS2_PERE` FOREIGN KEY (`pere_id`) REFERENCES `pere` (`id`) ON DELETE CASCADE ON UPDATE CASCADE
) ENGINE=InnoDB
DEFAULT CHARSET=`latin1` COLLATE=`latin1_general_ci`
ROW_FORMAT=COMPRESSED
--------------
--------------
insert into `fils2` (`pere_id`,`montant`) values
(1,17.00),(1,NULL),(2,22.00),(2,18.00),(3,23.00),(3,8.00),(3,9.00)
--------------
--------------
select * from fils2
--------------
+----+---------+---------+
| id | pere_id | montant |
+----+---------+---------+
| 1 | 1 | 17.00 |
| 2 | 1 | NULL |
| 3 | 2 | 22.00 |
| 4 | 2 | 18.00 |
| 5 | 3 | 23.00 |
| 6 | 3 | 8.00 |
| 7 | 3 | 9.00 |
+----+---------+---------+
--------------
select t1.lib, sum(coalesce(t2.montant,0)) as total_fils1
from pere as t1
inner join fils1 as t2
on t2.pere_id = t1.id
group by t1.lib
order by t1.id
--------------
+-------+-------------+
| lib | total_fils1 |
+-------+-------------+
| un | 40.00 |
| deux | 40.00 |
| trois | 40.00 |
+-------+-------------+
--------------
select t1.lib, sum(coalesce(t3.montant,0)) as total_fils2
from pere as t1
inner join fils2 as t3
on t3.pere_id = t1.id
group by t1.lib
order by t1.id
--------------
+-------+-------------+
| lib | total_fils2 |
+-------+-------------+
| un | 17.00 |
| deux | 40.00 |
| trois | 40.00 |
+-------+-------------+
--------------
select t1.lib,
(select sum(coalesce(t2.montant,0)) from fils1 as t2 where t2.pere_id = t1.id group by t2.pere_id) as total_fils1,
(select sum(coalesce(t3.montant,0)) from fils2 as t3 where t3.pere_id = t1.id group by t3.pere_id) as total_fils2
from pere as t1
order by t1.id
--------------
+-------+-------------+-------------+
| lib | total_fils1 | total_fils2 |
+-------+-------------+-------------+
| un | 40.00 | 17.00 |
| deux | 40.00 | 40.00 |
| trois | 40.00 | 40.00 |
+-------+-------------+-------------+
--------------
COMMIT
--------------
--------------
SET AUTOCOMMIT = 1
--------------
Appuyez sur une touche pour continuer... |
Partager