protected function createDbTable()
{
$db = $this->getDbConnection();
$driver = $db->getDriverName();
$autoidAttributes = '';
if ($driver === 'mysql') {
$autoidAttributes = 'AUTO_INCREMENT';
}
$sql = 'CREATE TABLE ' . $this->_logTable . ' (
log_id INTEGER NOT NULL PRIMARY KEY ' . $autoidAttributes . ',
level INTEGER,
category VARCHAR(128),
logtime VARCHAR(20),
message VARCHAR(255))';
$db->createCommand($sql)->execute();
}