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| --------------
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 `test`
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CREATE TABLE `test` (
`id` int NOT NULL AUTO_INCREMENT PRIMARY KEY,
`texte` VARCHAR(255) NULL DEFAULT NULL
) ENGINE=InnoDB
DEFAULT CHARSET=`latin1` COLLATE=`latin1_general_ci`
ROW_FORMAT=COMPRESSED
--------------
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insert into `test` (`id`,`texte`) values (1, 'un'), (2, 'deux')
--------------
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select * from test
--------------
+----+-------+
| id | texte |
+----+-------+
| 1 | un |
| 2 | deux |
+----+-------+
--------------
DROP TABLE IF EXISTS `mouchard`
--------------
--------------
CREATE TABLE `mouchard` (
`id` INT NOT NULL AUTO_INCREMENT PRIMARY KEY,
`heure` DATETIME DEFAULT current_timestamp,
`libelle` VARCHAR(255) NULL DEFAULT NULL
) ENGINE=InnoDB
DEFAULT CHARSET=`latin1` COLLATE=`latin1_general_ci`
ROW_FORMAT=COMPRESSED
--------------
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DROP PROCEDURE IF EXISTS `updateTable`
--------------
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CREATE PROCEDURE `updateTable`
(
in input_table_name varchar(30),
in input_id int,
in input_col_name varchar(30),
in input_string_value varchar(30)
)
DETERMINISTIC
NO SQL
BEGIN
DECLARE msg VARCHAR(255);
DECLARE EXIT HANDLER FOR SQLSTATE '42S02'
BEGIN
SET msg = concat("Table inconnue \'", input_table_name, "\'");
INSERT INTO mouchard (libelle) VALUES (msg);
SIGNAL SQLSTATE VALUE '07001' SET MESSAGE_TEXT = msg, MYSQL_ERRNO = 7001;
end;
DECLARE EXIT HANDLER FOR SQLSTATE '42S22'
BEGIN
SET msg = concat("Colonne inconnue \'", input_col_name, "\' dans la table \'", input_table_name, "\'");
INSERT INTO mouchard (libelle) VALUES (msg);
SIGNAL SQLSTATE VALUE '07002' SET MESSAGE_TEXT = msg, MYSQL_ERRNO = 7002;
end;
SET @val=NULL;
SET @req1 = concat("select id into @val from ", input_table_name, " where id = ", input_id);
PREPARE stmt1 FROM @req1;
EXECUTE stmt1;
DEALLOCATE PREPARE stmt1;
if (input_id = @val) then
set @req2 = concat("update ", input_table_name, " set ", input_col_name, " = \'", input_string_value, "\' where id = ", input_id);
PREPARE stmt2 FROM @req2;
EXECUTE stmt2;
DEALLOCATE PREPARE stmt2;
INSERT INTO mouchard (libelle) VALUES (@req2);
ELSE
set @req3 = concat("insert into ", input_table_name, " (id, ", input_col_name, ") values (", input_id, ", \'", input_string_value, "\')");
PREPARE stmt3 FROM @req3;
EXECUTE stmt3;
DEALLOCATE PREPARE stmt3;
INSERT INTO mouchard (libelle) VALUES (@req3);
END IF;
END
--------------
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call `updateTable` ('test', 1, 'texte', 'ca marche')
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call `updateTable` ('test', 3, 'texte', 'bla bla bla')
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call `updateTable` ('test', 1, 'col', 'colonne')
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ERROR 7002 (07002) at line 121: Colonne inconnue 'col' dans la table 'test'
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call `updateTable` ('essai', 1, 'col', 'colonne')
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ERROR 7001 (07001) at line 122: Table inconnue 'essai'
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select * from test
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+----+-------------+
| id | texte |
+----+-------------+
| 1 | ca marche |
| 2 | deux |
| 3 | bla bla bla |
+----+-------------+
--------------
select * from mouchard
--------------
+----+---------------------+--------------------------------------------------------+
| id | heure | libelle |
+----+---------------------+--------------------------------------------------------+
| 1 | 2015-12-03 17:27:24 | update test set texte = 'ca marche' where id = 1 |
| 2 | 2015-12-03 17:27:24 | insert into test (id, texte) values (3, 'bla bla bla') |
| 3 | 2015-12-03 17:27:24 | Colonne inconnue 'col' dans la table 'test' |
| 4 | 2015-12-03 17:27:24 | Table inconnue 'essai' |
+----+---------------------+--------------------------------------------------------+
--------------
COMMIT
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SET AUTOCOMMIT = 1
--------------
Appuyez sur une touche pour continuer... |
