我有两个表 RSLTS 和 CONTACTS:
RSLTS
QRY_ID | RES_ID | SCORE
-----------------------------
A | 1 | 15
A | 2 | 32
A | 3 | 29
C | 7 | 61
C | 9 | 30
联系方式
C_ID | QRY_ID | RES_ID
----------------------------
1 | A | 2
2 | A | 1
3 | C | 9
我正在尝试创建一个报告,该报告将为每个CONTACT记录 ( C_ID
)显示其组 () 内的RSLTS表中RANK()
的RES_ID
(by )。使用上面的数据,它看起来像这样:SCORE
QRY_ID
C_ID | QRY_ID | RES_ID | SCORE | Rank
-----------------------------------------------
1 | A | 2 | 32 | 1
2 | A | 1 | 15 | 3
3 | C | 9 | 30 | 2
到目前为止,我尝试了这个,但它返回最后一行的 Rank = 1 (并且第二行的 rank = 2 这也是错误的)
SELECT
C.*
,R.SCORE
,RANK() OVER (PARTITION BY R.QRY_ID ORDER BY R.SCORE DESC)
FROM CONTACTS C LEFT JOIN RSLTS R
ON C.RES_ID = R.RES_ID
AND C.QRY_ID = R.QRY_ID
更新:SQLFiddle