删除外键，增加必要索引

cms/cms-dao/src/main/resources/zheng.sql

@@ -2,15 +2,15 @@
 Navicat MySQL Data Transfer
 
 Source Server         : localhost
-Source Server Version : 50621
+Source Server Version : 50528
 Source Host           : localhost:3306
 Source Database       : zheng
 
 Target Server Type    : MYSQL
-Target Server Version : 50621
+Target Server Version : 50528
 File Encoding         : 65001
 
-Date: 2016-10-16 20:44:49
+Date: 2016-10-17 17:23:58
 */
 
 SET FOREIGN_KEY_CHECKS=0;
@@ -51,7 +51,7 @@ CREATE TABLE `cms_article` (
   `ctime` bigint(20) unsigned NOT NULL COMMENT '创建时间',
   `orders` bigint(20) unsigned NOT NULL COMMENT '排序',
   PRIMARY KEY (`article_id`),
-  KEY `cms_article_orders` (`orders`)
+  KEY `cms_article_orders` (`orders`) USING BTREE COMMENT '排序索引'
 ) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COMMENT='文章表';
 
 -- ----------------------------
@@ -63,10 +63,8 @@ CREATE TABLE `cms_article_category` (
   `article_id` int(10) unsigned NOT NULL,
   `category_id` int(10) unsigned NOT NULL,
   PRIMARY KEY (`article_category_id`),
-  KEY `cms_article_category_article_id` (`article_id`),
-  KEY `cms_article_category_category_id` (`category_id`),
-  CONSTRAINT `cms_article_category_article_id` FOREIGN KEY (`article_id`) REFERENCES `cms_article` (`article_id`) ON DELETE CASCADE ON UPDATE CASCADE,
-  CONSTRAINT `cms_article_category_category_id` FOREIGN KEY (`category_id`) REFERENCES `cms_category` (`category_id`) ON DELETE CASCADE ON UPDATE CASCADE
+  KEY `cms_article_category_article_id` (`article_id`) USING BTREE COMMENT '文章id索引',
+  KEY `cms_article_category_category_id` (`category_id`) USING BTREE COMMENT '类目id索引'
 ) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COMMENT='文章类目表';
 
 -- ----------------------------
@@ -78,10 +76,8 @@ CREATE TABLE `cms_article_tag` (
   `article_id` int(10) unsigned NOT NULL,
   `tag_id` int(10) unsigned NOT NULL,
   PRIMARY KEY (`article_tag_id`),
-  KEY `cms_article_tag_article_id` (`article_id`),
-  KEY `cms_article_tag_tag_id` (`tag_id`),
-  CONSTRAINT `cms_article_tag_article_id` FOREIGN KEY (`article_id`) REFERENCES `cms_article` (`article_id`) ON DELETE CASCADE ON UPDATE CASCADE,
-  CONSTRAINT `cms_article_tag_tag_id` FOREIGN KEY (`tag_id`) REFERENCES `cms_tag` (`tag_id`) ON DELETE CASCADE ON UPDATE CASCADE
+  KEY `cms_article_tag_article_id` (`article_id`) USING BTREE COMMENT '文章id索引',
+  KEY `cms_article_tag_tag_id` (`tag_id`) USING BTREE COMMENT '标签id索引'
 ) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COMMENT='文章标签表';
 
 -- ----------------------------
@@ -100,11 +96,11 @@ CREATE TABLE `cms_category` (
   `ctime` bigint(20) unsigned NOT NULL COMMENT '创建时间',
   `orders` bigint(255) unsigned NOT NULL COMMENT '排序',
   PRIMARY KEY (`category_id`),
-  KEY `cms_category_orders` (`orders`),
-  KEY `cms_category_pid` (`pid`),
-  KEY `cms_category_alias` (`alias`),
-  CONSTRAINT `cms_category_pid` FOREIGN KEY (`pid`) REFERENCES `cms_category` (`category_id`) ON DELETE CASCADE ON UPDATE CASCADE
-) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COMMENT='类目表';
+  KEY `cms_category_orders` (`orders`) USING BTREE COMMENT '排序字段索引',
+  KEY `cms_category_pid` (`pid`) USING BTREE COMMENT '父类目索引',
+  KEY `cms_category_alias` (`alias`) USING BTREE COMMENT '别名索引',
+  KEY `cms_category_level` (`level`) USING BTREE COMMENT '类目层级索引'
+) ENGINE=InnoDB AUTO_INCREMENT=2 DEFAULT CHARSET=utf8mb4 COMMENT='类目表';
 
 -- ----------------------------
 -- Table structure for cms_category_tag
@@ -115,10 +111,8 @@ CREATE TABLE `cms_category_tag` (
   `category_id` int(10) unsigned NOT NULL,
   `tag_id` int(10) unsigned NOT NULL,
   PRIMARY KEY (`category_tag_id`),
-  KEY `cms_category_tag_category_id` (`category_id`),
-  KEY `cms_category_tag_tag_id` (`tag_id`),
-  CONSTRAINT `cms_category_tag_category_id` FOREIGN KEY (`category_id`) REFERENCES `cms_category` (`category_id`) ON DELETE CASCADE ON UPDATE CASCADE,
-  CONSTRAINT `cms_category_tag_tag_id` FOREIGN KEY (`tag_id`) REFERENCES `cms_tag` (`tag_id`) ON DELETE CASCADE ON UPDATE CASCADE
+  KEY `cms_category_tag_tag_id` (`tag_id`) USING BTREE COMMENT '标签id索引',
+  KEY `cms_category_tag_category_id` (`category_id`) USING BTREE COMMENT '类目id索引'
 ) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COMMENT=' 分类标签表';
 
 -- ----------------------------
@@ -134,7 +128,7 @@ CREATE TABLE `cms_comment` (
   `status` tinyint(4) NOT NULL DEFAULT '1' COMMENT '状态(-1:审核不通过,0:未审核,1:已审核通过)',
   `ip` varchar(30) DEFAULT NULL COMMENT '评论人ip地址',
   `agent` varchar(200) DEFAULT NULL COMMENT '评论人终端信息',
-  `ctime` bigint(20) NOT NULL,
+  `ctime` bigint(20) NOT NULL COMMENT '创建时间',
   PRIMARY KEY (`comment_id`),
   KEY `cms_comment_article_id` (`article_id`),
   KEY `cms_comment_pid` (`pid`),
@@ -156,8 +150,8 @@ CREATE TABLE `cms_tag` (
   `ctime` bigint(20) unsigned NOT NULL COMMENT '创建时间',
   `orders` bigint(20) unsigned NOT NULL COMMENT 'orders',
   PRIMARY KEY (`tag_id`),
-  KEY `cms_tag_orders` (`orders`),
-  KEY `cms_tag_alias` (`alias`)
+  KEY `cms_tag_orders` (`orders`) USING BTREE COMMENT '排序索引',
+  KEY `cms_tag_alias` (`alias`) USING BTREE COMMENT '别名索引'
 ) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COMMENT='标签表';
 
 -- ----------------------------
@@ -173,4 +167,4 @@ CREATE TABLE `user` (
   `ctime` bigint(20) DEFAULT NULL,
   `content` text,
   PRIMARY KEY (`id`)
-) ENGINE=InnoDB AUTO_INCREMENT=25 DEFAULT CHARSET=utf8 COMMENT='用户表';
+) ENGINE=InnoDB AUTO_INCREMENT=56 DEFAULT CHARSET=utf8 COMMENT='用户表';