class CommentController

1. 11.x core/modules/comment/src/Controller/CommentController.php \Drupal\comment\Controller\CommentController
2. 10 core/modules/comment/src/Controller/CommentController.php \Drupal\comment\Controller\CommentController
3. 9 core/modules/comment/src/Controller/CommentController.php \Drupal\comment\Controller\CommentController
4. 8.9.x core/modules/comment/src/Controller/CommentController.php \Drupal\comment\Controller\CommentController

comment_entity_info in modules/comment/comment.module

Implements hook_entity_info().

class CommentController  extends DrupalDefaultEntityController {
 protected function buildQuery($ids, $conditions = array(), $revision_id = FALSE) {
 $query = parent ::buildQuery ($ids, $conditions, $revision_id);
 // Specify additional fields from the user and node tables.
 $query->innerJoin ('node', 'n', 'base.nid = n.nid');
 $query->addField ('n', 'type', 'node_type');
 $query->innerJoin ('users', 'u', 'base.uid = u.uid');
 $query->addField ('u', 'name', 'registered_name');
 $query->fields ('u', array(
 'uid',
 'signature',
 'signature_format',
 'picture',
 ));
 return $query;
 }
 protected function attachLoad(&$comments, $revision_id = FALSE) {
 // Setup standard comment properties.
 foreach ($comments as $key => $comment) {
 $comment->name  = $comment->uid ? $comment->registered_name : $comment->name ;
 $comment->new  = node_mark ($comment->nid, $comment->changed );
 $comment->node_type  = 'comment_node_' . $comment->node_type ;
 $comments[$key] = $comment;
 }
 parent ::attachLoad ($comments, $revision_id);
 }
}