sql-server - 時間のリスト内のシーケンスアイランドに基づく行のクロス集計

Question

質問のタイトルを書くだけで頭が痛くなります！

我慢してください！次のDDLおよびダミーデータを参照してください。

CREATE TABLE [dbo].[tbl_Example](
    [Date] [date] NULL,
    [Time] [time](0) NULL,
    [Branch] [varchar](3) NULL,
    [Count] [int] NULL
) ON [PRIMARY]
GO
INSERT [dbo].[tbl_Example] ([Date], [Time], [Branch], [Count]) VALUES (CAST(0x12350B00 AS Date), CAST(0x00907E0000000000 AS Time), N'001', 0)
INSERT [dbo].[tbl_Example] ([Date], [Time], [Branch], [Count]) VALUES (CAST(0x12350B00 AS Date), CAST(0x00CC7E0000000000 AS Time), N'001', 0)
INSERT [dbo].[tbl_Example] ([Date], [Time], [Branch], [Count]) VALUES (CAST(0x12350B00 AS Date), CAST(0x00087F0000000000 AS Time), N'001', 0)
INSERT [dbo].[tbl_Example] ([Date], [Time], [Branch], [Count]) VALUES (CAST(0x12350B00 AS Date), CAST(0x00447F0000000000 AS Time), N'001', 0)
INSERT [dbo].[tbl_Example] ([Date], [Time], [Branch], [Count]) VALUES (CAST(0x12350B00 AS Date), CAST(0x00807F0000000000 AS Time), N'001', 0)
INSERT [dbo].[tbl_Example] ([Date], [Time], [Branch], [Count]) VALUES (CAST(0x12350B00 AS Date), CAST(0x00BC7F0000000000 AS Time), N'001', 0)
INSERT [dbo].[tbl_Example] ([Date], [Time], [Branch], [Count]) VALUES (CAST(0x12350B00 AS Date), CAST(0x00F87F0000000000 AS Time), N'001', 0)
INSERT [dbo].[tbl_Example] ([Date], [Time], [Branch], [Count]) VALUES (CAST(0x12350B00 AS Date), CAST(0x0034800000000000 AS Time), N'001', 1)
INSERT [dbo].[tbl_Example] ([Date], [Time], [Branch], [Count]) VALUES (CAST(0x12350B00 AS Date), CAST(0x0070800000000000 AS Time), N'001', 1)
INSERT [dbo].[tbl_Example] ([Date], [Time], [Branch], [Count]) VALUES (CAST(0x12350B00 AS Date), CAST(0x00AC800000000000 AS Time), N'001', 1)
INSERT [dbo].[tbl_Example] ([Date], [Time], [Branch], [Count]) VALUES (CAST(0x12350B00 AS Date), CAST(0x00E8800000000000 AS Time), N'001', 1)
INSERT [dbo].[tbl_Example] ([Date], [Time], [Branch], [Count]) VALUES (CAST(0x12350B00 AS Date), CAST(0x0024810000000000 AS Time), N'001', 2)
INSERT [dbo].[tbl_Example] ([Date], [Time], [Branch], [Count]) VALUES (CAST(0x12350B00 AS Date), CAST(0x0060810000000000 AS Time), N'001', 2)
INSERT [dbo].[tbl_Example] ([Date], [Time], [Branch], [Count]) VALUES (CAST(0x12350B00 AS Date), CAST(0x009C810000000000 AS Time), N'001', 2)
INSERT [dbo].[tbl_Example] ([Date], [Time], [Branch], [Count]) VALUES (CAST(0x12350B00 AS Date), CAST(0x00D8810000000000 AS Time), N'001', 1)
INSERT [dbo].[tbl_Example] ([Date], [Time], [Branch], [Count]) VALUES (CAST(0x12350B00 AS Date), CAST(0x0014820000000000 AS Time), N'001', 1)
INSERT [dbo].[tbl_Example] ([Date], [Time], [Branch], [Count]) VALUES (CAST(0x12350B00 AS Date), CAST(0x0050820000000000 AS Time), N'001', 1)
INSERT [dbo].[tbl_Example] ([Date], [Time], [Branch], [Count]) VALUES (CAST(0x12350B00 AS Date), CAST(0x008C820000000000 AS Time), N'001', 1)
INSERT [dbo].[tbl_Example] ([Date], [Time], [Branch], [Count]) VALUES (CAST(0x12350B00 AS Date), CAST(0x00C8820000000000 AS Time), N'001', 1)
INSERT [dbo].[tbl_Example] ([Date], [Time], [Branch], [Count]) VALUES (CAST(0x12350B00 AS Date), CAST(0x0004830000000000 AS Time), N'001', 0)
INSERT [dbo].[tbl_Example] ([Date], [Time], [Branch], [Count]) VALUES (CAST(0x12350B00 AS Date), CAST(0x0040830000000000 AS Time), N'001', 0)
INSERT [dbo].[tbl_Example] ([Date], [Time], [Branch], [Count]) VALUES (CAST(0x12350B00 AS Date), CAST(0x00C4860000000000 AS Time), N'001', 0)
INSERT [dbo].[tbl_Example] ([Date], [Time], [Branch], [Count]) VALUES (CAST(0x12350B00 AS Date), CAST(0x0000870000000000 AS Time), N'001', 0)
INSERT [dbo].[tbl_Example] ([Date], [Time], [Branch], [Count]) VALUES (CAST(0x12350B00 AS Date), CAST(0x003C870000000000 AS Time), N'001', 0)
INSERT [dbo].[tbl_Example] ([Date], [Time], [Branch], [Count]) VALUES (CAST(0x12350B00 AS Date), CAST(0x0078870000000000 AS Time), N'001', 0)
INSERT [dbo].[tbl_Example] ([Date], [Time], [Branch], [Count]) VALUES (CAST(0x12350B00 AS Date), CAST(0x00B4870000000000 AS Time), N'001', 0)
INSERT [dbo].[tbl_Example] ([Date], [Time], [Branch], [Count]) VALUES (CAST(0x13350B00 AS Date), CAST(0x00907E0000000000 AS Time), N'002', 0)
INSERT [dbo].[tbl_Example] ([Date], [Time], [Branch], [Count]) VALUES (CAST(0x13350B00 AS Date), CAST(0x00CC7E0000000000 AS Time), N'002', 0)
INSERT [dbo].[tbl_Example] ([Date], [Time], [Branch], [Count]) VALUES (CAST(0x13350B00 AS Date), CAST(0x00087F0000000000 AS Time), N'002', 0)
INSERT [dbo].[tbl_Example] ([Date], [Time], [Branch], [Count]) VALUES (CAST(0x13350B00 AS Date), CAST(0x00447F0000000000 AS Time), N'002', 0)
INSERT [dbo].[tbl_Example] ([Date], [Time], [Branch], [Count]) VALUES (CAST(0x13350B00 AS Date), CAST(0x00807F0000000000 AS Time), N'002', 0)
INSERT [dbo].[tbl_Example] ([Date], [Time], [Branch], [Count]) VALUES (CAST(0x13350B00 AS Date), CAST(0x00BC7F0000000000 AS Time), N'002', 0)
INSERT [dbo].[tbl_Example] ([Date], [Time], [Branch], [Count]) VALUES (CAST(0x13350B00 AS Date), CAST(0x00F87F0000000000 AS Time), N'002', 0)
INSERT [dbo].[tbl_Example] ([Date], [Time], [Branch], [Count]) VALUES (CAST(0x13350B00 AS Date), CAST(0x0034800000000000 AS Time), N'002', 1)
INSERT [dbo].[tbl_Example] ([Date], [Time], [Branch], [Count]) VALUES (CAST(0x13350B00 AS Date), CAST(0x0070800000000000 AS Time), N'002', 1)
INSERT [dbo].[tbl_Example] ([Date], [Time], [Branch], [Count]) VALUES (CAST(0x13350B00 AS Date), CAST(0x00AC800000000000 AS Time), N'002', 1)
INSERT [dbo].[tbl_Example] ([Date], [Time], [Branch], [Count]) VALUES (CAST(0x13350B00 AS Date), CAST(0x00E8800000000000 AS Time), N'002', 1)
INSERT [dbo].[tbl_Example] ([Date], [Time], [Branch], [Count]) VALUES (CAST(0x13350B00 AS Date), CAST(0x0024810000000000 AS Time), N'002', 2)
INSERT [dbo].[tbl_Example] ([Date], [Time], [Branch], [Count]) VALUES (CAST(0x13350B00 AS Date), CAST(0x0060810000000000 AS Time), N'002', 2)
INSERT [dbo].[tbl_Example] ([Date], [Time], [Branch], [Count]) VALUES (CAST(0x13350B00 AS Date), CAST(0x009C810000000000 AS Time), N'002', 2)
INSERT [dbo].[tbl_Example] ([Date], [Time], [Branch], [Count]) VALUES (CAST(0x13350B00 AS Date), CAST(0x00D8810000000000 AS Time), N'002', 1)
INSERT [dbo].[tbl_Example] ([Date], [Time], [Branch], [Count]) VALUES (CAST(0x13350B00 AS Date), CAST(0x0014820000000000 AS Time), N'002', 1)
INSERT [dbo].[tbl_Example] ([Date], [Time], [Branch], [Count]) VALUES (CAST(0x13350B00 AS Date), CAST(0x0050820000000000 AS Time), N'002', 1)
INSERT [dbo].[tbl_Example] ([Date], [Time], [Branch], [Count]) VALUES (CAST(0x13350B00 AS Date), CAST(0x008C820000000000 AS Time), N'002', 1)
INSERT [dbo].[tbl_Example] ([Date], [Time], [Branch], [Count]) VALUES (CAST(0x13350B00 AS Date), CAST(0x00C8820000000000 AS Time), N'002', 3)
INSERT [dbo].[tbl_Example] ([Date], [Time], [Branch], [Count]) VALUES (CAST(0x13350B00 AS Date), CAST(0x0004830000000000 AS Time), N'002', 3)
INSERT [dbo].[tbl_Example] ([Date], [Time], [Branch], [Count]) VALUES (CAST(0x13350B00 AS Date), CAST(0x0040830000000000 AS Time), N'002', 3)
INSERT [dbo].[tbl_Example] ([Date], [Time], [Branch], [Count]) VALUES (CAST(0x13350B00 AS Date), CAST(0x007C830000000000 AS Time), N'002', 3)
INSERT [dbo].[tbl_Example] ([Date], [Time], [Branch], [Count]) VALUES (CAST(0x13350B00 AS Date), CAST(0x00B8830000000000 AS Time), N'002', 0)
INSERT [dbo].[tbl_Example] ([Date], [Time], [Branch], [Count]) VALUES (CAST(0x13350B00 AS Date), CAST(0x00F4830000000000 AS Time), N'002', 0)
INSERT [dbo].[tbl_Example] ([Date], [Time], [Branch], [Count]) VALUES (CAST(0x13350B00 AS Date), CAST(0x0030840000000000 AS Time), N'002', 0)
INSERT [dbo].[tbl_Example] ([Date], [Time], [Branch], [Count]) VALUES (CAST(0x13350B00 AS Date), CAST(0x006C840000000000 AS Time), N'002', 0)

ここで、ダミーデータを次のようにレンダリングする必要があります。

Branch  Date        Start Time  End Time    EntryCount
======  ====        ==========  ========    ========
001     12/12/2011  09:00:00    09:06:00    0
001     12/12/2011  09:07:00    09:10:00    1
001     12/12/2011  09:11:00    09:13:00    2
001     12/12/2011  09:14:00    09:18:00    1
001     12/12/2011  09:19:00    09:20:00    0
001     12/12/2011  09:35:00    09:39:00    0
002     13/12/2011  09:00:00    09:06:00    0
002     13/12/2011  09:07:00    09:10:00    1
002     13/12/2011  09:11:00    09:13:00    2
002     13/12/2011  09:14:00    09:17:00    1
002     13/12/2011  09:18:00    09:21:00    3
002     13/12/2011  09:22:00    09:25:00    0

ご覧のとおり、Branch、Date、EntryCountに基づいて島を分割するように注意しながら、島の開始時刻と終了時刻を別々の列として抽出する必要があります。単純な数値シーケンスを扱うときにこれを行うための巧妙な解決策を見てきましたが、このシナリオに適合させることはできません。皆さんがこれにどのようにアプローチするのか興味があります。

SQLServer2008以降を使用しています

ブランチが変更されたため、日付、またはカウントのいずれかによる島の境界を示すスクリーンショット

ここに画像の説明を入力してください

score 2 · Accepted Answer

;WITH T
     AS (SELECT *,
                DATEPART(HOUR, Time) * 60 + 
                DATEPART(MINUTE, Time) -
                ROW_NUMBER() OVER (PARTITION BY Branch, 
                                                Date, 
                                                Count 
                                        ORDER BY Time) AS Grp
         FROM   [dbo].[tbl_Example])
SELECT Branch,
       Date,
       MIN(Time) AS [Start Time],
       MAX(Time) AS [End Time],
       [Count]   AS EntryCount
FROM   T
GROUP  BY Branch,
          Date,
          [Count],
          Grp
ORDER  BY Branch,
          Date,
          [Start Time]

sql-server - 時間のリスト内のシーケンスアイランドに基づく行のクロス集計

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