GroupByNumeric.php

1. 9.x drupal/core/modules/views/lib/Drupal/views/Plugin/views/argument/GroupByNumeric.php
2. 9.x drupal/core/modules/views/lib/Drupal/views/Plugin/views/sort/GroupByNumeric.php
3. 9.x drupal/core/modules/views/lib/Drupal/views/Plugin/views/filter/GroupByNumeric.php

<?php

/**
 * @file
 * Definition of Drupal\views\Plugin\views\argument\GroupByNumeric.
 */
namespace Drupal\views\Plugin\views\argument;

use Drupal\Core\Annotation\Plugin;

/**
 * Simple handler for arguments using group by.
 *
 * @ingroup views_argument_handlers
 *
 * @Plugin(
 *   id = "groupby_numeric"
 * )
 */
class GroupByNumeric extends ArgumentPluginBase {
  public function query($group_by = FALSE) {
    $this
      ->ensureMyTable();
    $field = $this
      ->getField();
    $placeholder = $this
      ->placeholder();
    $this->query
      ->add_having_expression(0, "{$field} = {$placeholder}", array(
      $placeholder => $this->argument,
    ));
  }
  public function adminLabel($short = FALSE) {
    return $this
      ->getField(parent::adminLabel($short));
  }
  function get_sort_name() {
    return t('Numerical', array(), array(
      'context' => 'Sort order',
    ));
  }

}