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
| --------------
SET AUTOCOMMIT = 0
--------------
--------------
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 `test`
--------------
--------------
CREATE TABLE `test` (
`id` integer UNSIGNED NOT NULL auto_increment,
`naissance` char(10) NOT NULL,
constraint PK_test_id Primary Key (id)
) ENGINE=InnoDB
DEFAULT CHARSET=`latin1` COLLATE=`latin1_general_ci`
ROW_FORMAT=COMPRESSED
--------------
--------------
INSERT INTO `test` (`naissance`) value ('1985-05-28'), ('1978'), ('1978/12/23'), ('1985')
--------------
--------------
select * from `test`
--------------
+----+------------+
| id | naissance |
+----+------------+
| 1 | 1985-05-28 |
| 2 | 1978 |
| 3 | 1978/12/23 |
| 4 | 1985 |
+----+------------+
--------------
drop function if exists `age`
--------------
--------------
create function age(
naissance char(10)
)
returns smallint
language sql
begin
declare datdeb date;
declare calc smallint;
set datdeb = left(concat(trim(naissance), '-01-01'), 10);
set calc = year(subdate(curdate(), to_days(datdeb)));
return calc;
end
--------------
--------------
select *, age(naissance) as Age
from test
--------------
+----+------------+------+
| id | naissance | Age |
+----+------------+------+
| 1 | 1985-05-28 | 30 |
| 2 | 1978 | 38 |
| 3 | 1978/12/23 | 37 |
| 4 | 1985 | 31 |
+----+------------+------+
--------------
COMMIT
--------------
--------------
SET AUTOCOMMIT = 1
--------------
Appuyez sur une touche pour continuer... |