public function taskCorrectMainTables()
    {
        $db = \Yii::app()->dbProductStorage;

        $regionPropertyCount = $db->createCommand('SELECT COUNT(*) FROM region_property_count')->queryScalar();

        $offset = 0;
        $limit = 4096;

        $i = 0;

        while ($offset < $regionPropertyCount) {
            $a = $db->createCommand('SELECT region_id, property_count FROM region_property_count LIMIT ' . $offset . ', ' . $limit)->queryAll();

            foreach ($a as $b) {
                $regionId = $b['region_id'];
                $propertyCount = $b['property_count'];
                $db->createCommand('UPDATE region_en_bljfkhio SET property_count = ' . $propertyCount . ' WHERE region_id = ' . $regionId . ' LIMIT 1')->execute();
                $db->createCommand('UPDATE region_ru_bljfkhio SET property_count = ' . $propertyCount . ' WHERE region_id = ' . $regionId . ' LIMIT 1')->execute();
                $db->createCommand('UPDATE uk_bljfkhio SET property_count = ' . $propertyCount . ' WHERE region_id = ' . $regionId . ' LIMIT 1')->execute();
            }

            $c1 = $db->createCommand('SELECT COUNT(*) FROM `region_en_bljfkhio` WHERE property_count = 0')->queryScalar();

            $m = memory_get_usage();
            $m = $m / 1024 / 1024;

            echo($i . ' - ' . $c1 . ' - ' . $m .  "\n");
            $i++;

            $offset += $limit;

        }