/**
* @inheritdoc
*/
public function up()
{
$transaction = $this->db->beginTransaction();
try {
ob_start();
ob_implicit_flush(false);
if ($this->safeUp() === false || $this->markUpVersion() === false) {
$transaction->rollBack();
return false;
}
$transaction->commit();
\Yii::info(ob_get_clean());
} catch (\Exception $e) {
$transaction->rollBack();
\Yii::Warning("Exception: " . $e->getMessage() . ' (' . $e->getFile() . ':' . $e->getLine() . ")\n");
\Yii::Warning($e->getTraceAsString() . "\n");
return false;
}
return null;
}
