Mejoras en el Prune de Foros 🥇 Foro Portal DragonFlyCMS, CPGNuke 🗺️

//
// Those without polls and announcements ... unless told otherwise!
//
// $sql = "SELECT t.topic_id FROM " . POSTS_TABLE . " p, " . TOPICS_TABLE . " t
// WHERE t.forum_id = $forum_id
// $prune_all
// AND ( p.post_id = t.topic_last_post_id OR t.topic_last_post_id = 0 )";

$sql = "SELECT t.topic_id FROM " . POSTS_TABLE . " p LEFT JOIN " . TOPICS_TABLE . " t ON p.post_id = t.topic_last_post_id
WHERE t.forum_id = $forum_id $prune_all ";