UserUid.php

1. 8.x drupal/core/modules/tracker/lib/Drupal/tracker/Plugin/views/argument/UserUid.php
2. 8.x drupal/core/modules/tracker/lib/Drupal/tracker/Plugin/views/filter/UserUid.php
3. 8.x drupal/core/modules/comment/lib/Drupal/comment/Plugin/views/argument/UserUid.php
4. 8.x drupal/core/modules/comment/lib/Drupal/comment/Plugin/views/filter/UserUid.php

<?php

/**
 * @file
 * Contains \Drupal\tracker\Plugin\views\filter\UserUid.
 */
namespace Drupal\tracker\Plugin\views\filter;

use Drupal\Component\Annotation\PluginID;
use Drupal\user\Plugin\views\filter\Name;

/**
 * UID filter to check for nodes that a user posted or commented on.
 *
 * @ingroup views_filter_handlers
 *
 * @PluginID("tracker_user_uid")
 */
class UserUid extends Name {

  /**
   * {@inheritdoc}
   */
  public function query() {

    // Because this handler thinks it's an argument for a field on the {node}
    // table, we need to make sure {tracker_user} is JOINed and use its alias
    // for the WHERE clause.
    $tracker_user_alias = $this->query
      ->ensure_table('tracker_user');
    $this->query
      ->addWhere(0, "{$tracker_user_alias}.uid", $this->value);
  }

}