在动态数据透视表中对月份名称进行排序 [英] Sorting month name in dynamic pivot
本文介绍了在动态数据透视表中对月份名称进行排序的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!
问题描述
我使用以下查询生成了一个动态数据透视表,但列 (monthyear) 有效按字母顺序排列,但我希望它们按时间顺序排列月年列是使用 SQL Server 2014 中的函数导出的
I produced a dynamic pivot with the following query which work but the column (monthyear) are in alphabetical order but I want them in chronological order The monthyear column is derived using a function in SQL Server 2014
CREATE TABLE ##MyTable (Num VARCHAR(10), StartDate DATE, [Types] VARCHAR(10))
INSERT INTO ##MyTable VALUES
('AA1','2016-01-01', 'Type1'),('AA2','2017-01-04', 'Type1'),('AA3','2016-01-04', 'Type1'),('AA4','2017-01-01', 'Type2'),
('AA5','2017-01-10', 'Type3'),('AA6','2016-01-02', 'Type1'),('AA7','2017-01-05', 'Type1'),('AA8','2016-01-12', 'Type1'),
('AA9','2016-01-06', 'Type1'),('AA10','2016-01-10', 'Type3'),('AA11','2017-01-11', 'Type1'),('AA12','2016-01-09', 'Type2'),
('AA13','2016-08-06', 'Type3'),('AA14','2017-01-02', 'Type1'),('AA15','2016-01-05', 'Type1'),('AA16','2017-01-07', 'Type1'),
('AA17','2016-01-04', 'Type1'),('AA18','2017-01-03', 'Type3'),('AA19','2017-01-01', 'Type1'),('AA20','2016-01-10', 'Type2'),
('AA21','2018-01-02', 'Type3'),('AA22','2017-01-10', 'Type1'),('AA23','2017-01-11', 'Type1'),('AA24','2017-01-12', 'Type1'),
('AA25','2017-01-09', 'Type1'),('AA26','2017-01-03', 'Type3'),('AA27','2016-01-07', 'Type1'),('AA28','2017-01-03', 'Type3'),
('AA29','2016-01-09', 'Type3'),('AA30','2017-10-12', 'Type1'),('AA31','2016-01-08', 'Type1'),('AA32','2017-01-10', 'Type1'),
('AA33','2016-01-04', 'Type1'),('AA34','2016-01-03', 'Type1'),('AA35','2018-01-01', 'Type3'),('AA36','2016-01-12', 'Type3'),
('AA37','2017-01-12', 'Type1'),('AA38','2016-01-05', 'Type1'),('AA39','2017-01-01', 'Type1'),('AA40','2017-01-12', 'Type3'),
('AA41','2017-01-07', 'Type1'),('AA42','2017-01-04', 'Type3'),('AA43','2018-01-03', 'Type1'),('AA44','2016-01-08', 'Type1'),
('AA45','2016-09-10', 'Type1'),('AA46','2016-01-11', 'Type3'),('AA47','2017-01-10', 'Type1'),('AA48','2017-01-08', 'Type1'),
('AA49','2017-01-08', 'Type1'),('AA50','2016-01-06', 'Type3'),('AA51','2016-02-08', 'Type3'),('AA52','2017-01-02', 'Type3'),
('AA53','2018-01-01', 'Type3'),('AA54','2016-01-05', 'Type3'),('AA55','2018-01-02', 'Type1'),('AA56','2018-01-01', 'Type1'),
('AA57','2017-01-10', 'Type1'),('AA58','2017-01-11', 'Type3'),('AA59','2018-01-03', 'Type3'),('AA60','2017-01-05', 'Type1'),
('AA61','2016-01-10', 'Type3'),('AA62','2017-01-08', 'Type3'),('AA63','2016-01-06', 'Type2'),('AA64','2017-01-05', 'Type3'),
('AA65','2018-01-01', 'Type3'),('AA66','2017-02-03', 'Type1'),('AA67','2016-01-12', 'Type1'),('AA68','2016-01-11', 'Type3'),
('AA69','2016-01-09', 'Type3'),('AA70','2017-01-12', 'Type2'),('AA71','2016-01-08', 'Type3'),('AA72','2016-01-10', 'Type1'),
('AA73','2017-01-05', 'Type3'),('AA74','2016-01-02', 'Type3'),('AA75','2016-01-12', 'Type3'),('AA76','2016-01-02', 'Type1'),
('AA77','2017-02-08', 'Type1'),('AA78','2016-01-12', 'Type3'),('AA79','2017-01-04', 'Type1'),('AA80','2018-01-01', 'Type2'),
('AA81','2016-01-08', 'Type3'),('AA82','2017-01-11', 'Type1'),('AA83','2017-01-05', 'Type1');
-- -- PIVOT
SELECT
Num,
[Types],
StartDate,
FORMAT(StartDate,'MMM-yy')AS MonthYear
INTO ##MyTable2
FROM ##MyTable
-------------------------------------------------------------------------------
DECLARE @cols AS NVARCHAR(MAX),
@query AS NVARCHAR(MAX);
SET @cols = STUFF((SELECT distinct ',' + QUOTENAME(MonthYear)
FROM ##MyTable2 c
FOR XML PATH(''), TYPE
).value('.', 'NVARCHAR(MAX)')
,1,1,'')
set @query = ' SELECT * FROM (
SELECT
Num,
[Types],
MonthYear
FROM ##MyTable2) AS PV
PIVOT
(
COUNT(Num) FOR [MonthYear] IN (' + @cols + ')
) AS PV1'
EXECUTE (@query);
DROP TABLE ##MyTable;
DROP TABLE ##MyTable2;
电流输出
Types Aug-16 Feb-16 Feb-17 Jan-16 Jan-17 Jan-18 Oct-17 Sep-16
Type1 0 0 2 16 22 3 1 1
Type2 0 0 0 3 2 1 0 0
Type3 1 1 0 14 11 5 0 0
期望的输出
Types Jan-16 Feb-16 Aug-16 Sep-16 Jan-17 Feb-17 Oct-17 Jan-18
Type1 16 0 0 1 22 2 1 3
Type2 3 0 0 0 2 0 0 1
Type3 14 1 1 0 11 0 0 5
有没有办法在sql中实现?
Is there a way this can be achieved in sql ?
推荐答案
我会使用以下方法按升序对月份进行排序
I'd use the following approach to sort the months in ascending order
SELECT
Num,
[Types],
StartDate,
FORMAT(StartDate,'MMM-yy')AS MonthYear,
CONVERT(INT,REPLACE(CONVERT(VARCHAR(7),StartDate),'-','')) MonthYearSort
INTO ##MyTable2
FROM ##MyTable
DECLARE @cols AS NVARCHAR(MAX)='',
@query AS NVARCHAR(MAX);
WITH T AS
(
SELECT TOP 100 PERCENT QUOTENAME(MonthYear) MonthYear , MonthYearSort
FROM ##MyTable2
GROUP BY QUOTENAME(MonthYear) , MonthYearSort
ORDER BY MonthYearSort
)
SELECT @cols += ','+ MonthYear
FROM T
ORDER BY MonthYearSort
SET @cols = STUFF(@Cols ,1,1,'')
set @query = ' SELECT [Types], '+@cols+' FROM (
SELECT
Num,
[Types],
MonthYear
FROM ##MyTable2) AS PV
PIVOT
(
COUNT(Num) FOR [MonthYear] IN (' + @cols + ')
) AS PV1
EXECUTE (@query);
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