yii\db\DataReader Object
(
    [_statement:yii\db\DataReader:private] => PDOStatement Object
        (
            [queryString] => SELECT COUNT(distinct(rdxc)) FROM "russia_statistic_view" WHERE "id_operator" = 1
        )

    [_closed:yii\db\DataReader:private] => 
    [_row:yii\db\DataReader:private] => 
    [_index:yii\db\DataReader:private] => -1
)