SQL Server 2008 R2 - (移動する) 日付による動的なピボット/アンピボット

最初に UNPIVOT する必要があります 私たちの列と使用 DENSE_RANK() 後でピボットする何かを提供します。 DESNSE_RANK のコンマ区切りリストを取得できるように、この結果を一時テーブルに入れます。 列。次に UNION を作成します Day および Date ピボットが解除されたものと同じ列の一部です。これは、動的 SQL で使用するためにグローバル一時テーブルに入れることができます。列のリストを格納する変数を作成し、動的 ​​SQL を構築して実行します。

完全な例 (明らかに PhaseFlowChart を削除しないでください) 表）

-- pre-cleanup
IF OBJECT_ID('[dbo].[PhaseFlowChart]') IS NOT NULL
    DROP TABLE [dbo].[PhaseFlowChart]
GO

IF OBJECT_ID('tempdb..#tmp') IS NOT NULL
    DROP TABLE #tmp
GO

IF OBJECT_ID('tempdb..##tmp') IS NOT NULL
    DROP TABLE ##tmp
GO

-- setup table and data
CREATE TABLE [dbo].[PhaseFlowChart](
    [pfckey] [int] NULL,
    [hourlykey] [bigint] NULL,
    [daykey] [bigint] NULL,
    [weekkey] [int] NULL,
    [monthkey] [int] NULL,
    [bbkey] [int] NULL,
    [Day] [varchar](100) NULL,
    [Date] [varchar](100) NULL,
    [Bull Bear Gap] [varchar](100) NULL,
    [Monthly] [varchar](100) NULL,
    [Weekly] [varchar](100) NULL,
    [Daily] [varchar](100) NULL,
    [Hour 1] [varchar](100) NULL,
    [Hour 2] [varchar](100) NULL,
    [Hour 3] [varchar](100) NULL,
    [Hour 4] [varchar](100) NULL,
    [Hour 5] [varchar](100) NULL,
    [Hour 6] [varchar](100) NULL,
    [Hour 7] [varchar](100) NULL
) ON [PRIMARY]

INSERT INTO [dbo].PhaseFlowChart 
    ([Day], [Date], [Bull Bear Gap], Monthly, Weekly, Daily, 
        [Hour 1], [Hour 2], [Hour 3], [Hour 4], [Hour 5], [Hour 6], [Hour 7])
VALUES
('MON', '20130101', 'P1', 'P1', 'P1', 'P1', 'P1', 'P1', 'P1', 'P1', 'P1', 'P1', 'P1'),
('TUE', '20130102', 'P2', 'P2', 'P2', 'P2', 'P2', 'P2', 'P2', 'P2', 'P2', 'P2', 'P2'),
('WED', '20130103', 'P3', 'P3', 'P3', 'P3', 'P3', 'P3', 'P3', 'P3', 'P3', 'P3', 'P3'),
('THU', '20130104', 'P4', 'P4', 'P4', 'P4', 'P4', 'P4', 'P4', 'P4', 'P4', 'P4', 'P4'),
('FRI', '20130105', 'P5', 'P5', 'P5', 'P5', 'P5', 'P5', 'P5', 'P5', 'P5', 'P5', 'P5'),
('SAT', '20130106', 'P6', 'P6', 'P6', 'P6', 'P6', 'P6', 'P6', 'P6', 'P6', 'P6', 'P6'),
('SUN', '20130107', 'P7', 'P7', 'P7', 'P7', 'P7', 'P7', 'P7', 'P7', 'P7', 'P7', 'P7')
GO

-- unpivot the columns into 'categories'
SELECT [Day], [Date], [Value], [Category], 
    DENSE_RANK() OVER (ORDER BY CAST([Date] AS DATE)) dr 
INTO #tmp
FROM PhaseFlowChart pfc
UNPIVOT (
    Value FOR Category IN ([Bull Bear Gap], Monthly, Weekly, Daily, 
                            [Hour 1], [Hour 2], [Hour 3], [Hour 4], 
                                [Hour 5], [Hour 6], [Hour 7])

) upiv

-- create a global temp table for use later
SELECT *
INTO ##tmp
FROM (
      -- union data into single category column
    SELECT 'Day' Category, [Day] Value, dr, 1 o FROM #tmp
    UNION ALL
    SELECT 'Date' Category, [Date] Value, dr, 2 o FROM #tmp
    UNION ALL
    SELECT [Category], Value, dr, 3 o FROM #tmp
) t

-- get a comma seperated list of columns for the PIVOT
DECLARE @cols VARCHAR(MAX) = 
STUFF(CAST((SELECT ',' + QUOTENAME(dr)
       FROM (
           SELECT DISTINCT dr
           FROM #tmp
       ) t
       ORDER BY dr
       FOR XML PATH(''), TYPE
      ) AS VARCHAR(MAX)),1,1,'')

-- create and execute the sql
DECLARE @sql VARCHAR(MAX) = '
    SELECT Category, ' + @cols + '
    FROM ##tmp
    PIVOT (
        MAX([Value])
        FOR dr IN (' + @cols + ')
    ) piv   
      ORDER BY o, CASE Category 
                    WHEN ''Daily'' THEN 4
                    WHEN ''Weekly'' THEN 3
                    WHEN ''Monthly'' THEN 2
                    WHEN ''Bull Bear Gap'' THEN 1
                    ELSE 5 END, Category
'

EXEC(@sql)