select a.article_id, a.category_id, a.article_title, a.subhead, a.source, a.content, a.check_num, a.accessory, a.remark, a.create_by, a.create_time, a.update_by, a.update_time, c.category_id, c.category_name from sys_oa_article a left join sys_oa_category c on a.category_id = c.category_id ${ew.getCustomSqlSegment} where a.article_id = #{articleId}