添加unique约束

2020-08-01 12:19:55 +08:00
parent 9e98134003
commit c6877c2b4a
1 changed files with 1 additions and 1 deletions
--- a/blog.sql
+++ b/blog.sql
@@ -75,7 +75,7 @@ CREATE TABLE `links`
    `l_id`           bigint(20) primary key auto_increment,
    `l_name`         varchar(255) COLLATE utf8mb4_unicode_ci not null comment '友站名称',
    `l_is_open`      boolean                                          default true comment '是否公开',
-    `l_url`          varchar(255)                            not null comment '首页地址',
+    `l_url`          varchar(255) unique                     not null comment '首页地址',
    `l_icon_path`    varchar(255)                            not null comment '友链的icon地址',
    `l_desc`         varchar(255) COLLATE utf8mb4_unicode_ci not null comment '友链的说明描述',
    `is_delete`      boolean                                 not null default false comment '该数据是否被删除',