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我想为以下数据库模式创建一个存储过程

带有 id 和所有其他用户详细信息的用户表，用户可以创建相册，他们将在其中添加图片并邀请朋友喜欢和评论图片那张专辑

CREATE TABLE `albums` (
  `id` bigint(20) unsigned NOT NULL AUTO_INCREMENT,
  `user_id` int(11) unsigned NOT NULL,
  `title` varchar(255) DEFAULT NULL,
  `created` date NOT NULL DEFAULT '0000-00-00',
  PRIMARY KEY (`id`),
  KEY `UserAlbum` (`user_id`)
) 

CREATE TABLE `shared_albums` (
  `id` bigint(20) unsigned NOT NULL AUTO_INCREMENT,
  `user_id` int(11) unsigned NOT NULL,
  `album_id` bigint(20) unsigned NOT NULL,
  `shared_user_id` int(11) unsigned NOT NULL,
  `created` datetime NOT NULL DEFAULT '0000-00-00 00:00:00',
  PRIMARY KEY (`id`),
  KEY `UserSharedAlbum` (`user_id`)
) ENGINE=InnoDB AUTO_INCREMENT=4 DEFAULT CHARSET=latin1;

CREATE TABLE `pictures` (
  `id` bigint(20) unsigned NOT NULL AUTO_INCREMENT,
  `user_id` int(11) unsigned NOT NULL,
  `album_id` bigint(20) unsigned NOT NULL,
  `caption` text,
  `created` datetime NOT NULL DEFAULT '0000-00-00 00:00:00',
  `modified` datetime DEFAULT NULL,
  PRIMARY KEY (`id`),
  KEY `UserPicture` (`user_id`),
  KEY `PicturesAlbum` (`album_id`)
) ENGINE=InnoDB AUTO_INCREMENT=7 DEFAULT CHARSET=latin1;

然后有表格可以保存图片评论和图片喜欢。我想创建一个 mySql 存储过程来从所有这些表中获取组合信息

最后我想将json数据输出为

{
  "meta": [
        {
          "total_albums" : 25,
        }
      ]

  "albums": [
      {
        "id" : 205488
          "title": "album title",
          "cover_image": "http://images.example.com/4133bc0c08b211e38b1d22000ae91391_7.jpg",
          "images":[
              {
                "http://images.example.com/4133bc0c08b2134wtr58b1d22000ae91391_6.jpg"
                "http://images.example.com/143rtbc0c08b2134wtr58b1d22000ae91391_7.jpg"
                "http://images.example.com/5633bc0c08b2134wtr58b1d22000778g91_6.jpg"
                "http://images.example.com/5633bc0c08b2134wtr58b1d22000778g91_6.jpg"
              }
             ],
          "friends": 27,
          "images": 154,
          "comments": 75,
          "likes" : 19,
          "last_update" => "just now"
      },

...最多最近五张专辑

我试过的

CREATE PROCEDURE get_user_albums(user_id INT)
BEGIN
DECLARE album_count INT;
DECLARE friends_count INT;
DECLARE images_count INT;
DECLARE comments_count INT;
DECLARE likes_count INT;

SELECT COUNT(`id`.`albums`) as album_count FROM `albums` WHERE `albums`.`user_id` = user_id;


END;

我可以得到每张专辑的点赞数、评论数等，如何在存储过程中使用数组。

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