11-3 完成电子书快照表设计

sql-scripts/create_tables.sql

@@ -86,4 +86,18 @@ create table `user` (
                         unique key `login_name_unique` (`login_name`)
 ) engine=innodb default charset=utf8mb4 comment='用户';
 
-insert into `user` (id, `login_name`, `name`, `password`) values (1, 'test', '测试', 'e70e2222a9d67c4f2eae107533359aa4');
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+insert into `user` (id, `login_name`, `name`, `password`) values (1, 'test', '测试', 'e70e2222a9d67c4f2eae107533359aa4');
+
+-- 电子书快照表
+drop table if exists `ebook_snapshot`;
+create table `ebook_snapshot` (
+                                  `id` bigint auto_increment not null comment 'id',
+                                  `ebook_id` bigint not null default 0 comment '电子书id',
+                                  `date` date not null comment '快照日期',
+                                  `view_count` int not null default 0 comment '阅读数',
+                                  `vote_count` int not null default 0 comment '点赞数',
+                                  `view_increase` int not null default 0 comment '阅读增长',
+                                  `vote_increase` int not null default 0 comment '点赞增长',
+                                  primary key (`id`),
+                                  unique key `ebook_id_date_unique` (`ebook_id`, `date`)
+) engine=innodb default charset=utf8mb4 comment='电子书快照表';
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