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postgresql根据指定序列进行自定义排序

2015-10-21 15:42 555 查看
SELECT

ID,

*,

rnum

FROM

get_XXX_list (?, ‘{}’) Dev,

(

SELECT

MAX (A .login_time) access_time,

A .device_id,

ROW_NUMBER () OVER (

ORDER BY

MAX (A .login_time) DESC

) AS rnum

FROM

session_log A,

usr_obj B

WHERE

A .usr = B.account

AND B. ID = % s

GROUP BY

device_id

) D

WHERE

D.device_id = Dev. ID

ORDER BY

D.rnum
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