测试300万的数据 常规分页查询的sql语句:
SELECT `article_content_id` FROM `article` LIMIT 600000,5;
用时0.291秒 优化后的sql语句:
SELECT t1.* FROM `article` t1, (SELECT `article_content_id` FROM `article` LIMIT 600000,5 ) t2 WHERE t1.`article_content_id`=t2.`article_content_id`;
用时0.177秒 速度快了将近一倍