在大数据情况下MySQL的一种简单分页优化方法

root@sns 07:16:25>select count() from reply_0004 where thread_id = 5616385 and deleted = 0;
+———-+
| count() |
+———-+
| 1236795 |
+———-+
1 row in set (0.44 sec)
root@sns 07:16:30>select id
from reply_0004 where thread_id = 5616385 and deleted = 0
order by id asc limit 1236785, 10 ;
+———–+
| id    |
+———–+
| 162436798 |
| 162438180 |
| 162440102 |
| 162442044 |
| 162479222 |
| 162479598 |
| 162514705 |
| 162832588 |
| 162863394 |
| 162899685 |
+———–+
10 rows in set (1.32 sec)

root@snsgroup 07:16:49>select  from (select id

->      from group_thread_reply_0004 where thread_id = 5616385 and deleted = 0

->    order by id desc limit 0, 10)t order by t.id asc;

+———–+

| id    |

+———–+

| 162436798 |

| 162438180 |

| 162440102 |

| 162442044 |

| 162479222 |

| 162479598 |

| 162514705 |

| 162832588 |

| 162863394 |

| 162899685 |

+———–+

10 rows in set (0.87 sec)