统计所有并从连接表中选择单行

Question

我有以下表格：users，posts和likes

我想收到“喜欢＆＃39;”的总数。对于该帖子，如果它存在，也是like的id。

我需要同桌的2个JOINS吗？或者是否有更有效的方式

SELECT p.id, u.username, p.message, count(DISTINCT l.id) AS likeCount, l2.id AS likedID
    FROM posts p
    INNER JOIN users u ON p.userID = u.id
    LEFT JOIN likes l ON p.id = l.postID
    LEFT JOIN likes l2 ON l2.userID = ? AND l2.postID = p.id
    WHERE p.status = 0

由于