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<?php
$res = array();
$res[] = tableCreate('exams', '
`examid` int(11) NOT NULL AUTO_INCREMENT,
`lectureid` char(36) CHARACTER SET ascii COLLATE ascii_bin DEFAULT NULL,
`starttime` int(11) NOT NULL,
`endtime` int(11) NOT NULL,
`autologin` char(36) NULL,
`description` varchar(500) DEFAULT NULL,
PRIMARY KEY (`examid`),
KEY `idx_daterange` ( `starttime` , `endtime` )
');
$res[] = tableCreate('exams_x_location', '
`examid` int(11) NOT NULL,
`locationid` int(11) NOT NULL,
PRIMARY KEY (`examid`, `locationid`)
');
if (!tableHasColumn('exams', 'lectureid')) {
$ret = Database::exec("ALTER TABLE `exams` ADD `lectureid` CHAR(36) CHARACTER SET ascii COLLATE ascii_bin NULL DEFAULT NULL AFTER `examid`");
if ($ret === false) {
finalResponse(UPDATE_FAILED, 'Adding lectureid to exams failed: ' . Database::lastError());
}
$res[] = UPDATE_DONE;
}
if (!tableHasColumn('exams', 'autologin')) {
$ret = Database::exec("ALTER TABLE `exams` ADD `autologin` CHAR(36) NULL DEFAULT NULL AFTER `endtime`");
if ($ret === false) {
finalResponse(UPDATE_FAILED, 'Adding autologin to exams failed: ' . Database::lastError());
}
$res[] = UPDATE_DONE;
}
Database::exec("ALTER TABLE `exams` CHANGE `description` `description` varchar(500) DEFAULT NULL");
$res[] = tableAddConstraint('exams_x_location', 'examid', 'exams', 'examid',
'ON DELETE CASCADE ON UPDATE CASCADE');
$res[] = tableAddConstraint('exams_x_location', 'locationid', 'location', 'locationid',
'ON DELETE CASCADE ON UPDATE CASCADE');
if (in_array(UPDATE_DONE, $res)) {
finalResponse(UPDATE_DONE, 'Tables created successfully');
}
finalResponse(UPDATE_NOOP, 'Everything already up to date');
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