View | Details | Raw Unified | Return to bug 7793
Collapse All | Expand All

(-)a/installer/data/mysql/updatedatabase.pl (-30 / +2 lines)
Lines 10465-10500 if ( CheckVersion($DBversion) ) { Link Here
10465
$DBversion = "3.21.00.XXX";
10465
$DBversion = "3.21.00.XXX";
10466
if ( CheckVersion($DBversion) ) {
10466
if ( CheckVersion($DBversion) ) {
10467
10467
10468
    #First make sure that there are no duplicate message_id's which might be quite impossible thanks to the AUTO_INCREMENT.
10468
    $dbh->do("ALTER TABLE message_queue DROP message_id" );
10469
    #If duplicates exists, find the next free message_id and UPDATE the duplicate message_queues with the new biggest id's.
10469
    $dbh->do("ALTER TABLE message_queue ADD message_id INT( 11 ) NOT NULL AUTO_INCREMENT PRIMARY KEY FIRST");
10470
    my $sthGetDuplicatePKs = $dbh->prepare("SELECT count(message_id) as duplicate_pks, message_id ".
10471
                            "FROM message_queue GROUP BY message_id HAVING duplicate_pks > 1;");
10472
#USE THIS TO TEST           "FROM message_queue GROUP BY message_id HAVING duplicate_pks > 0;");
10473
    my $sthGetMessage_queues = $dbh->prepare("SELECT * FROM message_queue WHERE message_id = ?");
10474
    my $sthGetBiggestMessageId = $dbh->prepare("SELECT max(message_id) as message_id FROM message_queue;");
10475
    my $sthUpdateMessageQueue = $dbh->prepare("UPDATE message_queue SET message_id = ? WHERE message_id = ? AND borrowernumber = ? AND time_queued = ? AND content = ?;");
10476
10477
    #Get duplicate message_ids
10478
    $sthGetDuplicatePKs->execute;
10479
    my $message_ids = $sthGetDuplicatePKs->fetchall_arrayref({});
10480
    foreach my $mi (@$message_ids) {
10481
        if ($mi->{duplicate_pks} > 1) { #Making sure there are multiple usages of this id
10482
#USE TO TEST  if ($mi->{duplicate_pks} > 0) { #Making sure we trigger this repair routine for messages with no duplicates, just to test.
10483
            $sthGetMessage_queues->execute($mi->{message_id}); #Get all the message_queues sharing the same id.
10484
            my $duplicates = $sthGetMessage_queues->fetchall_arrayref({});
10485
            my $firstRun = 1; #On the first replace run for this set of duplicates, preserve the original id.
10486
            foreach my $duplicate (@$duplicates) {
10487
                next if $firstRun-- == 1; #Preserve the original id for the first conflicting message_queue-row
10488
                $sthGetBiggestMessageId->execute();
10489
                my $max_message_id = $sthGetBiggestMessageId->fetchrow();
10490
                $max_message_id++;
10491
                $sthUpdateMessageQueue->execute( $max_message_id, $duplicate->{message_id}, $duplicate->{borrowernumber}, $duplicate->{time_queued}, $duplicate->{content} );
10492
            }
10493
        }
10494
    }
10495
10470
10496
    #Finally add the PRIMARY KEY
10497
    $dbh->do( "ALTER TABLE message_queue DROP KEY message_id, ADD CONSTRAINT PRIMARY KEY (message_id);" );
10498
    print "Upgrade to $DBversion done (Bug 7793 - redefine the field message_id as PRIMARY KEY of message_queue)\n";
10471
    print "Upgrade to $DBversion done (Bug 7793 - redefine the field message_id as PRIMARY KEY of message_queue)\n";
10499
    SetVersion ($DBversion);
10472
    SetVersion ($DBversion);
10500
}
10473
}
10501
- 

Return to bug 7793