Wie schwenken Sie Textspalten in SQL Server? - SQL, SQL-Server-2008, Pivot

Ich habe eine solche Tabelle in meiner Datenbank (SQL Server 2008)

ID      Type            Desc
--------------------------------
C-0 Assets          No damage
C-0 Environment     No impact
C-0 People          No injury or health effect
C-0 Reputation      No impact
C-1 Assets          Slight damage
C-1 Environment     Slight environmental damage
C-1 People          First Aid Case (FAC)
C-1 Reputation      Slight impact; Compaints from local community

Ich muss die Assets, People, Environment und Reputation als Spalten anzeigen und übereinstimmende Desc als Werte anzeigen. Aber wenn ich die Pivot-Abfrage ausführe, sind alle meine Werte null.

Kann jemand in meine Anfrage schauen und mir sagen, wo ich falsch mache?

Select severity_id,pt.[1] As People, [2] as Assets , [3] as Env, [4] as Rep
FROM
(
select * from COMM.Consequence
) As Temp
PIVOT
(
max([DESCRIPTION])
FOR [TYPE] In([1], [2], [3], [4])
) As pt

Hier ist meine Ausgabe

ID  People  Assets   Env     Rep
-----------------------------------
C-0 NULL    NULL    NULL    NULL
C-1 NULL    NULL    NULL    NULL
C-2 NULL    NULL    NULL    NULL
C-3 NULL    NULL    NULL    NULL
C-4 NULL    NULL    NULL    NULL
C-5 NULL    NULL    NULL    NULL

Antworten:

Select severity_id, pt.People, Assets, Environment, Reputation
FROM
(
select * from COMM.Consequence
) As Temp
PIVOT
(
max([DESCRIPTION])
FOR [TYPE] In([People], [Assets], [Environment], [Reputation])
) As pt

Ich habe dies in SQL Server neu erstellt und es funktioniert einwandfrei.

Ich versuche, dies in Arbeit umzuwandeln, wenn man nicht weiß, wie der Inhalt in den Spalten TYPE und DESCRIPTION aussehen wird.

Ich habe dies auch als Leitfaden verwendet. ((Konvertieren von Zeilen in Spalten mithilfe von 'Pivot' in SQL Server)

BEARBEITEN ----

Hier ist meine Lösung für das oben Genannte, bei der Sie den Inhalt in beiden Bereichen NICHT KENNEN ....

-- setup commands
drop table #mytemp
go

create table #mytemp (
id varchar(10),
Metal_01 varchar(30),
Metal_02 varchar(100)
)


-- insert the data
insert into #mytemp
select "C-0","Metal One","Metal_One" union all
select "C-0","Metal & Two","Metal_Two" union all
select "C-1","Metal One","Metal_One" union all
select "C-1","Metal (Four)","Metal_Four" union all
select "C-2","Metal (Four)","Metal_Four" union all
select "C-2","Metal / Six","Metal_Six" union all
select "C-3","Metal Seven","Metal_Seven" union all
select "C-3","Metal Eight","Metal_Eight"

-- prepare the data for rotating:
drop table #mytemp_ReadyForRotate
select *,
replace(
replace(
replace(
replace(
replace(
mt.Metal_01,space(1),"_"
)
,"(","_"
)
,")","_"
)
,"/","_"
)
,"&","_"
)
as Metal_No_Spaces
into #mytemp_ReadyForRotate
from #mytemp mt

select "This is the content of "#mytemp_ReadyForRotate"" as mynote, * from #mytemp_ReadyForRotate

-- this is for when you KNOW the content:
-- in this query I am able to put the content that has the punctuation in the cell under the appropriate column header

Select id, pt.Metal_One, Metal_Two, Metal_Four, Metal_Six, Metal_Seven,Metal_Eight
FROM
(
select * from #mytemp
) As Temp
PIVOT
(
max(Metal_01)
FOR Metal_02 In(
Metal_One,
Metal_Two,
Metal_Four,
Metal_Six,
Metal_Seven,
Metal_Eight
)
) As pt


-- this is for when you DON"T KNOW the content:
-- in this query I am UNABLE to put the content that has the punctuation in the cell under the appropriate column header
-- unknown as to why it gives me so much grief - just can"t get it to work like the above
-- it WORKS just fine but not with the punctuation field
drop table ##csr_Metals_Rotated
go

DECLARE @cols AS NVARCHAR(MAX),
@query  AS NVARCHAR(MAX),
@InsertIntoTempTable as nvarchar(4000)

select @cols = STUFF((SELECT "," + QUOTENAME(Metal_No_Spaces)
from #mytemp_ReadyForRotate
group by Metal_No_Spaces
order by Metal_No_Spaces
FOR XML PATH(""), TYPE
).value(".", "NVARCHAR(MAX)")
,1,1,"")

set @query = "SELECT id," + @cols + " into ##csr_Metals_Rotated from
(
select id as id, Metal_No_Spaces
from #mytemp_ReadyForRotate
) x
pivot
(
max(Metal_No_Spaces)
for Metal_No_Spaces in (" + @cols + ")
) p "
execute(@query);

select * from ##csr_Metals_Rotated