public function searchInfo()
{
$record_count = new Expression('count(id)');
$start = new Expression("left(column_get(blob_data,'load_date' as datetime),16)");
// $end = new Expression("column_get(blob_data,'load_date' as datetime)");
$query = parent::find()->addSelect(['record_count' => $record_count, 'start' => $start])->groupBy('start');
$ret = $query->all();
// var_dump($ret);die;
// $dataProvider = new ActiveDataProvider([
// 'query' => $query,
// 'pagination'=>false,
// ]);
$return['labels'] = ArrayHelper::getColumn($ret, 'start');
$return['data'] = ArrayHelper::getColumn($ret, 'record_count');
// $return['cpu']=shell_exec('rrdtool fetch /var/lib/munin/localhost/localhost-mysql_bytes-recv-d.rrd AVERAGE -r 1m -s -1h');
// var_dump($return['cpu']);die;
return $return;
}
