public function upgrade($old_version)
{
switch ($old_version) {
case '0.1':
// There is no way to change the name of database field with w2p_Database_Query().
db_exec("ALTER TABLE holiday CHANGE holiday_white holiday_type int(10) NOT NULL DEFAULT '0'");
if (db_error()) {
return false;
}
$q = new w2p_Database_Query();
$q->alterTable('holiday');
$q->createDefinition('index holiday_start_end_date (holiday_start_date, holiday_end_date)');
$q->exec();
$q->clear();
$q->alterTable('holiday');
$q->createDefinition('index holiday_start_end_date (holiday_start_date, holiday_end_date)');
$q->exec();
$q->clear();
$q->alterTable('holiday');
$q->createDefinition('index holiday_user (holiday_user)');
$q->exec();
$q->clear();
$q->alterTable('holiday');
$q->createDefinition('index holiday_type (holiday_type)');
$q->exec();
$q->clear();
default:
}
return true;
}