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Bug 21065: Set ON DELETE SET NULL on accountlines.borrowernumber

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Note: Why do we have ON UPDATE SET NULL on accountlines.itemnumber?
Signed-off-by: Martin Renvoize <martin.renvoize@ptfs-europe.com>

Signed-off-by: Nick Clemens <nick@bywatersolutions.com>
This commit is contained in:
Jonathan Druart 2018-12-14 12:49:44 -03:00 committed by Nick Clemens
parent 457e560a06
commit 7f322d7ff8
2 changed files with 18 additions and 2 deletions
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16
installer/data/mysql/atomicupdate/bug_21065.perl Normal file
View file

@ -0,0 +1,16 @@
$DBversion = 'XXX'; # will be replaced by the RM
if( CheckVersion( $DBversion ) ) {
$dbh->do(q|
ALTER TABLE accountlines DROP FOREIGN KEY accountlines_ibfk_1;
|);
$dbh->do(q|
ALTER TABLE accountlines CHANGE COLUMN borrowernumber borrowernumber INT(11) DEFAULT NULL;
|);
$dbh->do(q|
ALTER TABLE accountlines ADD CONSTRAINT accountlines_ibfk_1 FOREIGN KEY (borrowernumber) REFERENCES borrowers (borrowernumber) ON DELETE SET NULL ON UPDATE CASCADE;
|);
SetVersion( $DBversion );
print "Upgrade to $DBversion done (Bug 21065 - Set ON DELETE SET NULL on accountlines.borrowernumber)\n";
}

4
installer/data/mysql/kohastructure.sql
View file

@ -2705,7 +2705,7 @@ DROP TABLE IF EXISTS `accountlines`;
CREATE TABLE `accountlines` (
`accountlines_id` int(11) NOT NULL AUTO_INCREMENT,
`issue_id` int(11) NULL DEFAULT NULL,
`borrowernumber` int(11) NOT NULL default 0,
`borrowernumber` int(11) DEFAULT NULL,
`accountno` smallint(6) NOT NULL default 0,
`itemnumber` int(11) default NULL,
`date` date default NULL,
@ -2722,7 +2722,7 @@ CREATE TABLE `accountlines` (
KEY `acctsborridx` (`borrowernumber`),
KEY `timeidx` (`timestamp`),
KEY `itemnumber` (`itemnumber`),
CONSTRAINT `accountlines_ibfk_1` FOREIGN KEY (`borrowernumber`) REFERENCES `borrowers` (`borrowernumber`) ON DELETE CASCADE ON UPDATE CASCADE,
CONSTRAINT `accountlines_ibfk_1` FOREIGN KEY (`borrowernumber`) REFERENCES `borrowers` (`borrowernumber`) ON DELETE SET NULL ON UPDATE CASCADE,
CONSTRAINT `accountlines_ibfk_2` FOREIGN KEY (`itemnumber`) REFERENCES `items` (`itemnumber`) ON DELETE SET NULL ON UPDATE SET NULL
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;