CREATE TABLE `industry` ( `id` bigint(20) NOT NULL AUTO_INCREMENT COMMENT '行业分类主键', `parent_id` bigint(20) NOT NULL, `primary_name` varchar(200) NOT NULL COMMENT '一级行业名称', `secondary_name` varchar(200) DEFAULT NULL COMMENT '二级行业名称', `create_time` datetime NOT NULL DEFAULT CURRENT_TIMESTAMP COMMENT '创建时间', `update_time` datetime NOT NULL DEFAULT CURRENT_TIMESTAMP COMMENT '修改时间', PRIMARY KEY (`id`) ) ENGINE=InnoDB AUTO_INCREMENT=31 DEFAULT CHARSET=utf8mb4 COMMENT='行业分类表'; CREATE TABLE `draft_industry_rel` ( `id` bigint(20) NOT NULL AUTO_INCREMENT, `draft_id` bigint(20) NOT NULL COMMENT '资讯草稿ID', `industry_id` bigint(20) NOT NULL COMMENT '行业分类ID', PRIMARY KEY (`id`), KEY `IDX_DRAFT_ID` (`draft_id`) ) ENGINE=InnoDB AUTO_INCREMENT=19 DEFAULT CHARSET=utf8mb4 COMMENT='资讯草稿行业关联表'; CREATE TABLE `news_industry_rel` ( `id` bigint(20) NOT NULL AUTO_INCREMENT COMMENT '资讯精选行业关联表主键', `news_id` bigint(20) NOT NULL COMMENT '资讯ID', `industry_id` bigint(20) NOT NULL COMMENT '行业分类ID', PRIMARY KEY (`id`), KEY `IDX_NEWS_ID` (`news_id`) ) ENGINE=InnoDB AUTO_INCREMENT=66 DEFAULT CHARSET=utf8mb4 COMMENT='资讯精选行业关联表'; alter table news add column `newsinfo_id` varchar(20) character set utf8mb4 collate utf8mb4_unicode_ci; alter table news_tags add column `newsinfo_id` varchar(20) COLLATE utf8mb4_unicode_ci GENERATED ALWAYS AS (cast(`news_id` as char charset utf8mb4)) VIRTUAL; CREATE INDEX idx_news_tags_newsinfo_id ON news_tags(newsinfo_id);