My Sql 高效分頁
阿新 • • 發佈:2019-01-28
/* *普通分頁 *在資料檔案上偏移1000000查出10條 */ select * from zoldesk_92game_net_ecms_bj where classid=303 ORDER BY id ASC LIMIT 1000000,10 ; /* *高效分頁 *1、在索引上查出起始索引 *2、從起始索引上查出10條 */ SELECT * from zoldesk_92game_net_ecms_bj WHERE id >= ( SELECT id FROM zoldesk_92game_net_ecms_bj where classid=303 ORDER BY id ASC LIMIT 1000000, 1 ) and classid=303 ORDER BY id ASC LIMIT 10 ;
這是樓下的辦法
SELECT * from zoldesk_92game_net_ecms_bj WHERE id in
(
SELECT id from
(
SELECT id
FROM zoldesk_92game_net_ecms_bj
where classid=303
ORDER BY id ASC
LIMIT 1000000, 10
)
AS temp
)