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如何使用MySQL和计数和排名

[英]How to use MySQL and count and rank

I'm a MS-SQL Developer, now I use this query (MySQL) ↓ 我是MS-SQL开发人员,现在我使用这个查询(MySQL)↓

SELECT A.place_idx,A.place_id,B.TODAY_CNT,C.TOTAL_CNT FROM CUSTOM_LIST 

AS A

INNER JOIN
(SELECT place_id,COUNT(place_id) AS TODAY_CNT from COUNT_TABLE where DATE(place_date) = DATE(NOW()) GROUP BY place_id)
AS B ON B.place_id=A.place_id

INNER JOIN
(SELECT place_id,COUNT(place_id) AS TOTAL_CNT from COUNT_TABLE GROUP BY place_id)
AS C ON C.place_id=A.place_id

The result is: 结果是:

在此输入图像描述

I want this: 我要这个:

在此输入图像描述

Try somethink like this: 试试这样的想法:

SELECT ..., C.TOTAL_CNT, (@r := @r + 1) AS rank FROM CUSTOM_LIST, (SELECT  @r := 0) t
...
ORDER BY C.TOTAL_CNT DESC

Whole query: 整个查询:

SELECT A.place_idx,A.place_id,B.TODAY_CNT,C.TOTAL_CNT, (@r := @r + 1) AS rank 
FROM CUSTOM_LIST AS A, (SELECT  @r := 0) t

INNER JOIN
(SELECT place_id,COUNT(place_id) AS TODAY_CNT from COUNT_TABLE where DATE(place_date) = DATE(NOW()) GROUP BY place_id)
AS B ON B.place_id=A.place_id

INNER JOIN
(SELECT place_id,COUNT(place_id) AS TOTAL_CNT from COUNT_TABLE GROUP BY place_id)
AS C ON C.place_id=A.place_id

ORDER BY C.TOTAL_CNT DESC

What if we got two same values in Total_CNT? 如果我们在Total_CNT中得到两个相同的值怎么办?

Maybe something like this: 也许是这样的:

SELECT ..., (@last := C.TOTAL_CNT) AS TOTAL_CNT, 
  IF(@last = C.TOTAL_CNT, @r, @r := @r + 1) AS rank
FROM CUSTOM_LIST, (SELECT  @r := 0, @last := -1) t
...

Updated 更新

RANK() OVER (ORDER BY TOTAL_CNT DESC DESC) AS Rank RANK()(按TOTAL_CNT DESC DESC排序)作为Rank

Here I got Another Very Good Solution.: 在这里,我得到了另一个非常好的解

SELECT A.place_idx,A.place_id,B.TODAY_CNT,C.TOTAL_CNT, RANK() OVER (ORDER BY TOTAL_CNT DESC) AS Rank FROM CUSTOM_LIST 

AS A

INNER JOIN
(SELECT place_id,COUNT(place_id) AS TODAY_CNT from COUNT_TABLE where DATE(place_date) = DATE(NOW()) GROUP BY place_id)
AS B ON B.place_id=A.place_id

INNER JOIN
(SELECT place_id,COUNT(place_id) AS TOTAL_CNT from COUNT_TABLE GROUP BY place_id)
AS C ON C.place_id=A.place_id

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