/**
  * HyperUniqueAggregator constructor.
  *
  * @param string $name
  * @param string $fieldName
  */
 public function __construct($name, $fieldName)
 {
     parent::__construct(self::TYPE_HYPER_UNIQUE, $name, $fieldName);
 }
 /**
  * LongSumAggregator constructor.
  *
  * @param string $name
  * @param string $fieldName
  */
 public function __construct($name, $fieldName)
 {
     parent::__construct(self::TYPE_LONG_SUM, $name, $fieldName);
 }
 public function __construct($name, $fieldName)
 {
     parent::__construct(self::TYPE_DOUBLE_MAX, $name, $fieldName);
 }