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SET AUTOCOMMIT = 0
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START TRANSACTION
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DROP DATABASE IF EXISTS `base`
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CREATE DATABASE `base`
DEFAULT CHARACTER SET `latin1`
DEFAULT COLLATE `latin1_general_ci`
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DROP TABLE IF EXISTS `tabone`
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CREATE TABLE `tabone`
( `id_client` integer unsigned NOT NULL
) ENGINE=InnoDB
DEFAULT CHARSET=`latin1` COLLATE=`latin1_general_ci`
ROW_FORMAT=COMPRESSED
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insert into `tabone` (`id_client`) values (1),(4)
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select * from `tabone`
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+-----------+
| id_client |
+-----------+
| 1 |
| 4 |
+-----------+
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DROP TABLE IF EXISTS `tabtwo`
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CREATE TABLE `tabtwo`
( `client` integer unsigned NOT NULL
) ENGINE=InnoDB
DEFAULT CHARSET=`latin1` COLLATE=`latin1_general_ci`
ROW_FORMAT=COMPRESSED
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insert into `tabtwo` (`client`) values (2),(4)
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select * from `tabtwo`
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+--------+
| client |
+--------+
| 2 |
| 4 |
+--------+
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DROP TABLE IF EXISTS `client`
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CREATE TABLE `client`
( `id` integer unsigned NOT NULL
) ENGINE=InnoDB
DEFAULT CHARSET=`latin1` COLLATE=`latin1_general_ci`
ROW_FORMAT=COMPRESSED
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insert into `client` (`id`) values (1),(2),(4)
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select * from `client`
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+----+
| id |
+----+
| 1 |
| 2 |
| 4 |
+----+
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commit
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DROP PROCEDURE IF EXISTS `fusion`
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CREATE PROCEDURE `fusion` (IN _source integer,
IN _dest integer)
DETERMINISTIC
NO SQL
BEGIN
declare _msg varchar(255) default null;
IF (_source IS NULL) THEN
set _msg = 'id_source ne peut pas être NULL.';
SIGNAL SQLSTATE value '07777' SET MESSAGE_TEXT = _msg , MYSQL_ERRNO = 01;
END IF;
IF (_dest IS NULL) THEN
set _msg = 'id_dest ne peut pas être NULL.';
SIGNAL SQLSTATE value '07777' SET MESSAGE_TEXT = _msg , MYSQL_ERRNO = 02;
END IF;
IF (_source = _dest) THEN
set _msg = concat('id_source = id_dest = ', _source, ', Impossible de transférer un client sur lui même.');
SIGNAL SQLSTATE value '07777' SET MESSAGE_TEXT = _msg , MYSQL_ERRNO = 03;
END IF;
if ((select 1 FROM INFORMATION_SCHEMA.COLUMNS where (table_schema, table_name, column_name) in (('base','tabone','id_client'))) is null) THEN
set _msg = 'La table ''tabone'' n''est pas conforme.';
SIGNAL SQLSTATE value '07777' SET MESSAGE_TEXT = _msg , MYSQL_ERRNO = 10;
END IF;
if ((select 1 FROM INFORMATION_SCHEMA.COLUMNS where (table_schema, table_name, column_name) in (('base','tabtwo','client'))) is null) THEN
set _msg = 'La table ''tabtwo'' n''est pas conforme.';
SIGNAL SQLSTATE value '07777' SET MESSAGE_TEXT = _msg , MYSQL_ERRNO = 11;
END IF;
if ((select 1 FROM INFORMATION_SCHEMA.COLUMNS where (table_schema, table_name, column_name) in (('base','client','id'))) is null) THEN
set _msg = 'La table ''client'' n''est pas conforme.';
SIGNAL SQLSTATE value '07777' SET MESSAGE_TEXT = _msg , MYSQL_ERRNO = 12;
END IF;
if ((select 1 from `client` where id = _source) is null) then
set _msg = concat('Source : Client = ', _source, ' non présent dans table ''client''.');
SIGNAL SQLSTATE value '07777' SET MESSAGE_TEXT = _msg , MYSQL_ERRNO = 20;
END IF;
if ((select 1 from `client` where id = _dest) is null) THEN
set _msg = concat('Destinataire : Client = ', _dest, ' non présent dans table ''client''.');
SIGNAL SQLSTATE value '07777' SET MESSAGE_TEXT = _msg , MYSQL_ERRNO = 21;
END IF;
if ((select 1 from `tabone` where id_client = _source) is null) THEN
set _msg = concat('Source : Client = ', _source, ' non présent dans table ''tabone''.');
SIGNAL SQLSTATE value '07777' SET MESSAGE_TEXT = _msg , MYSQL_ERRNO = 22;
END IF;
if ((select 1 from `tabtwo` where client = _dest) is null) THEN
set _msg = concat('Destinataire : Client = ', _dest, ' non présent dans table ''tabtwo''.');
SIGNAL SQLSTATE value '07777' SET MESSAGE_TEXT = _msg , MYSQL_ERRNO = 23;
END IF;
END
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commit
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call `fusion` (NULL, 2 )
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ERROR 1 (07777) at line 174: id_source ne peut pas être NULL.
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call `fusion` (1, NULL)
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ERROR 2 (07777) at line 175: id_dest ne peut pas être NULL.
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call `fusion` (1, 1 )
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ERROR 3 (07777) at line 176: id_source = id_dest = 1, Impossible de transférer un client sur lui même.
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call `fusion` (3, 1 )
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ERROR 20 (07777) at line 177: Source : Client = 3 non présent dans table 'client'.
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call `fusion` (1, 3 )
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ERROR 21 (07777) at line 178: Destinataire : Client = 3 non présent dans table 'client'.
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call `fusion` (2, 4 )
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ERROR 22 (07777) at line 179: Source : Client = 2 non présent dans table 'tabone'.
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call `fusion` (4, 1 )
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ERROR 23 (07777) at line 180: Destinataire : Client = 1 non présent dans table 'tabtwo'.
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call `fusion` (1, 2 )
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COMMIT
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SET AUTOCOMMIT = 1
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