[英]Incorrect count in pivot table query
我有兩個表有一些記錄,如下面的sql小提琴。
我的樣本數據是:
CREATE TABLE [dbo].[test_One](
[ID] [varchar](10) NULL,
[Col1] [varchar](20) NULL,
[Col2] [varchar](20) NULL,
[ColumnDate] [datetime] NULL,
[ColumnTime] [time](7) NULL
)
CREATE TABLE [dbo].[test_two](
[Slno] [varchar](10) NULL,
[ID] [varchar](10) NULL,
[Name] [varchar](max) NULL,
[Date1] [datetime] NULL,
[Time1] [datetime] NULL,
[Date2] [datetime] NULL,
[Time2] [datetime] NULL
)
INSERT [dbo].[test_two] ([Slno], [ID], [Name], [Date1], [Time1], [Date2], [Time2]) VALUES (N'115', N'47', N'DateOne', CAST(0x0000901A00000000 AS DateTime), CAST(0x0000000000000000 AS DateTime), CAST(0x0000901B00000000 AS DateTime), CAST(0x00000000018B3BB0 AS DateTime))
INSERT [dbo].[test_two] ([Slno], [ID], [Name], [Date1], [Time1], [Date2], [Time2]) VALUES (N'116', N'47', N'DateTwo', CAST(0x0000901C00000000 AS DateTime), CAST(0x0000000000000000 AS DateTime), CAST(0x0000901D00000000 AS DateTime), CAST(0x00000000018B3BB0 AS DateTime))
INSERT [dbo].[test_One] ([ID], [Col1], [Col2], [ColumnDate], [ColumnTime]) VALUES (N'47', N'11601', N'782', CAST(0x0000901A00000000 AS DateTime), CAST(0x070075033F430000 AS Time))
INSERT [dbo].[test_One] ([ID], [Col1], [Col2], [ColumnDate], [ColumnTime]) VALUES (N'47', N'11602', N'504', CAST(0x0000901A00000000 AS DateTime), CAST(0x07809A19CB4B0000 AS Time))
INSERT [dbo].[test_One] ([ID], [Col1], [Col2], [ColumnDate], [ColumnTime]) VALUES (N'47', N'11603', N'110', CAST(0x0000901A00000000 AS DateTime), CAST(0x0700C02F57540000 AS Time))
INSERT [dbo].[test_One] ([ID], [Col1], [Col2], [ColumnDate], [ColumnTime]) VALUES (N'47', N'11604', N'634', CAST(0x0000901A00000000 AS DateTime), CAST(0x0780E545E35C0000 AS Time))
INSERT [dbo].[test_One] ([ID], [Col1], [Col2], [ColumnDate], [ColumnTime]) VALUES (N'47', N'11601', N'400', CAST(0x0000901B00000000 AS DateTime), CAST(0x07002D2255650000 AS Time))
INSERT [dbo].[test_One] ([ID], [Col1], [Col2], [ColumnDate], [ColumnTime]) VALUES (N'47', N'11601', N'376', CAST(0x0000901B00000000 AS DateTime), CAST(0x07804A62F8430000 AS Time))
INSERT [dbo].[test_One] ([ID], [Col1], [Col2], [ColumnDate], [ColumnTime]) VALUES (N'47', N'11602', N'989', CAST(0x0000901B00000000 AS DateTime), CAST(0x07007078844C0000 AS Time))
INSERT [dbo].[test_One] ([ID], [Col1], [Col2], [ColumnDate], [ColumnTime]) VALUES (N'47', N'11602', N'949', CAST(0x0000901B00000000 AS DateTime), CAST(0x0780958E10550000 AS Time))
INSERT [dbo].[test_One] ([ID], [Col1], [Col2], [ColumnDate], [ColumnTime]) VALUES (N'47', N'11603', N'111', CAST(0x0000901C00000000 AS DateTime), CAST(0x0700DD6A825D0000 AS Time))
INSERT [dbo].[test_One] ([ID], [Col1], [Col2], [ColumnDate], [ColumnTime]) VALUES (N'47', N'11603', N'840', CAST(0x0000901C00000000 AS DateTime), CAST(0x078002810E660000 AS Time))
INSERT [dbo].[test_One] ([ID], [Col1], [Col2], [ColumnDate], [ColumnTime]) VALUES (N'47', N'11603', N'217', CAST(0x0000901C00000000 AS DateTime), CAST(0x070020C1B1440000 AS Time))
INSERT [dbo].[test_One] ([ID], [Col1], [Col2], [ColumnDate], [ColumnTime]) VALUES (N'47', N'11604', N'420', CAST(0x0000901C00000000 AS DateTime), CAST(0x078045D73D4D0000 AS Time))
INSERT [dbo].[test_One] ([ID], [Col1], [Col2], [ColumnDate], [ColumnTime]) VALUES (N'47', N'11604', N'333', CAST(0x0000901D00000000 AS DateTime), CAST(0x07008DB3AF550000 AS Time))
INSERT [dbo].[test_One] ([ID], [Col1], [Col2], [ColumnDate], [ColumnTime]) VALUES (N'47', N'11604', N'782', CAST(0x0000901D00000000 AS DateTime), CAST(0x0780B2C93B5E0000 AS Time))
INSERT [dbo].[test_One] ([ID], [Col1], [Col2], [ColumnDate], [ColumnTime]) VALUES (N'47', N'11604', N'504', CAST(0x0000901D00000000 AS DateTime), CAST(0x0700D8DFC7660000 AS Time))
INSERT [dbo].[test_One] ([ID], [Col1], [Col2], [ColumnDate], [ColumnTime]) VALUES (N'47', N'11604', N'110', CAST(0x0000901D00000000 AS DateTime), CAST(0x0780F51F6B450000 AS Time))
INSERT [dbo].[test_One] ([ID], [Col1], [Col2], [ColumnDate], [ColumnTime]) VALUES (N'47', N'11601', N'634', CAST(0x0000901E00000000 AS DateTime), CAST(0x07003DFCDC4D0000 AS Time))
INSERT [dbo].[test_One] ([ID], [Col1], [Col2], [ColumnDate], [ColumnTime]) VALUES (N'47', N'11604', N'400', CAST(0x0000901E00000000 AS DateTime), CAST(0x0780621269560000 AS Time))
INSERT [dbo].[test_One] ([ID], [Col1], [Col2], [ColumnDate], [ColumnTime]) VALUES (N'47', N'11601', N'376', CAST(0x0000901E00000000 AS DateTime), CAST(0x07008828F55E0000 AS Time))
INSERT [dbo].[test_One] ([ID], [Col1], [Col2], [ColumnDate], [ColumnTime]) VALUES (N'47', N'11601', N'989', CAST(0x0000901E00000000 AS DateTime), CAST(0x070047936D670000 AS Time))
INSERT [dbo].[test_One] ([ID], [Col1], [Col2], [ColumnDate], [ColumnTime]) VALUES (N'47', N'11603', N'949', CAST(0x0000901F00000000 AS DateTime), CAST(0x078064D310460000 AS Time))
INSERT [dbo].[test_One] ([ID], [Col1], [Col2], [ColumnDate], [ColumnTime]) VALUES (N'47', N'11604', N'111', CAST(0x0000901F00000000 AS DateTime), CAST(0x07008AE99C4E0000 AS Time))
INSERT [dbo].[test_One] ([ID], [Col1], [Col2], [ColumnDate], [ColumnTime]) VALUES (N'47', N'11601', N'840', CAST(0x0000901F00000000 AS DateTime), CAST(0x0700F2ADFE560000 AS Time))
INSERT [dbo].[test_One] ([ID], [Col1], [Col2], [ColumnDate], [ColumnTime]) VALUES (N'47', N'11601', N'217', CAST(0x0000901F00000000 AS DateTime), CAST(0x07005A72605F0000 AS Time))
INSERT [dbo].[test_One] ([ID], [Col1], [Col2], [ColumnDate], [ColumnTime]) VALUES (N'47', N'11601', N'420', CAST(0x0000901F00000000 AS DateTime), CAST(0x0700C236C2670000 AS Time))
查詢我嘗試過:
SELECT col1,Total,TGrp,AvailableIn,[DateOne],[DateTwo],(Total - ([DateOne]+[DateTwo])) as Others
FROM
(
SELECT v.col1,g.Name as Name,c.Total as Total,
x.AvailableIn,
(select count(distinct Name) from test_two) TGrp
FROM test_one AS v
INNER JOIN test_two g ON g.ID= '47'
AND ( CONVERT(DATETIME, CONVERT(VARCHAR, v.ColumnDate, 106))
+ CONVERT(DATETIME, CONVERT(VARCHAR, v.ColumnTime, 108)) >= g.Date1
+ g.Time1
AND CONVERT(DATETIME, CONVERT(VARCHAR, v.ColumnDate, 106))
+ CONVERT(DATETIME, CONVERT(VARCHAR, v.ColumnTime, 108)) <= g.Date2
+ g.Time2
)
inner join
(
select col1,count(*) as Total
FROM test_one
group by col1
) c
on c.col1 = v.col1
join
(
select ID,count(Available) AS AvailableIn
from
(
select ID,CASE WHEN Name IN('DateOne','DateTwo') THEN 1 END AS Available
from test_two
) as pt
group by ID
) x
on x.ID= '47'
) p
PIVOT
(
count(Name)
FOR Name IN ( [DateOne],[DateTwo] )
) AS pvt
SQL小提琴: http ://sqlfiddle.com/#!3 / f4678 / 1
預期成果 :
col1 Total TGrp AvailableIn DateOne DateTwo Others
---------------------------------------------------------
11601 9 2 1 3 0 6
11602 3 2 1 3 0 0
11603 5 2 2 1 3 1
11604 8 2 2 1 5 2
上述結果的說明 :結果在AvailableIn
列中正確顯示可用組,對於第一行,計數為1
因為DateOne
列具有值。 對其他人也一樣。
但獲得結果是:
col1 Total TGrp AvailableIn DateOne DateTwo Others
---------------------------------------------------------
11601 9 2 2 3 0 6
11602 3 2 2 3 0 0
11603 5 2 2 1 3 1
11604 8 2 2 1 5 2
注意 :問題出現在AvailableIn
列中,結果中的計數錯誤。
問題是你沒有計算每個col1
的AvailableIN
,你基本上得到的DateOne
和DateTwo
等於2,因為你在test_two
有2個值。 我會將您的查詢重寫為類似於:
;with data as
(
select
v.Col1,
Total = (select count(*) from dbo.test_One t where v.Col1 = t.Col1),
TGrp = (select count(distinct Name) from test_two),
g.Name
from dbo.test_One v
INNER JOIN test_two g
ON g.ID= '47'
AND (CONVERT(DATETIME, CONVERT(VARCHAR, v.ColumnDate, 106))
+ CONVERT(DATETIME, CONVERT(VARCHAR, v.ColumnTime, 108)) >= g.Date1
+ g.Time1
AND CONVERT(DATETIME, CONVERT(VARCHAR, v.ColumnDate, 106))
+ CONVERT(DATETIME, CONVERT(VARCHAR, v.ColumnTime, 108)) <= g.Date2
+ g.Time2
)
)
select
Col1,
Total,
TGrp,
AvailableIN,
DateOne,
DateTwo,
Others = (Total - ([DateOne]+[DateTwo]))
from
(
select
Col1,
Total,
TGrp,
Name,
AvailableIN = (select COUNT(distinct name)
from data a
where a.Col1 = d.Col1
group by a.Col1)
from data d
) src
pivot
(
count(Name)
for Name in (DateOne, DateTwo)
) piv;
請參閱SQL Fiddle with Demo 。 這使用一些相關的子查詢來獲取每個col1
值的計數並給出結果:
| COL1 | TOTAL | TGRP | AVAILABLEIN | DATEONE | DATETWO | OTHERS |
|-------|-------|------|-------------|---------|---------|--------|
| 11601 | 9 | 2 | 1 | 3 | 0 | 6 |
| 11602 | 3 | 2 | 1 | 3 | 0 | 0 |
| 11603 | 5 | 2 | 2 | 1 | 3 | 1 |
| 11604 | 8 | 2 | 2 | 1 | 5 | 2 |
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