Column Aliases In Case Statement In Order By

Jan 18, 2007

Hi All,

I have this query :

select col1, col2, col3, col4, col5,..... , (select col99 from tab2) as alias1 from tab1 where <condition>
order by
case @sortby
when 'col1' then col1,
when 'col2' then col2,
when 'col3' then col3,
when 'col99' then col99
end

when i execute the above query it gives me the following error message.

Server: Msg 207, Level 16, State 3, Line 1
Invalid column name 'col99'.

Thanks in advance.

Thanvi.

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Alternative To CASE In The Order By Statement?

Feb 15, 2008

 The query below at the bottom works, but when I try to add the line below (a third line/argument in the CASE statement) then I get an error. It is not possible to have a table name and a DESC (sort order) in the same CASE line/argument. Are there other ways to accomplish this, because I would like to sort with both "h.ObjectType" and "h.ObjectType DESC"?             WHEN @SortBy = 2 THEN h.ObjectType DESC      SELECT weight, ObjectText.ObjectId, ObjectText.ObjectType, ObjectText.Title, ObjectText.ShortText    FROM @hits h INNER JOIN ObjectText ON h.id = ObjectText.ObjectId AND h.ObjectType = ObjectText.ObjectType    WHERE ObjectText.LanguageCode = @LanguageCode    ORDER BY        CASE WHEN @SortBy = 0 THEN weight             WHEN @SortBy = 1 THEN h.ObjectType        END    DESCRegards, Sigurd 

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I use Order By Used with Case Statement and may be this is the reason for which i am getting error

Windowed functions can only appear in the SELECT or ORDER BY clauses.

Here is my complete sql where i use Row_Number function for pagination with sorting.

DECLARE @StartIndex INT
DECLARE @EndIndex INT
DECLARE @SortColumn VARCHAR(MAX)
DECLARE @SortDirection VARCHAR(MAX)
SET @StartIndex = 1

[Code] ....

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Sep 9, 2015

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Feb 22, 2008

I have been trying to get the following Selects to work using a case expression in the order by section.

I know I can easily separate out the two statements but I want to do a select using the case statement below ;
however, I keep getting error 16 --"Order by items must appear in the select list if the statement contains a union.

If remove the case statement and put order by "internalID desc" I receive no errors. Moreover, when I take out the union statement and execute the two select statements with each including the case expression it runs as planned.

Can anyone tell what the problem is here? I have combed the web looking for an answer, but it seems that the statement is valid.


Thanks
J
declare @date
set @date = '2001'



select internalID from section_data_v3

union

select internalID from section_data_v4

order by
case when (@date = '2001') then internalID end desc

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Aug 21, 2007

I am trying to order by the field and direction as provided by input parameters @COLTOSORTBY and @DIR while using a CTE and assigning Row_Number, but am running into syntax errors.

Say I have a table called myTable with columns col1,col2,col3,

Here's what I'm trying to do

with myCTE AS
(
Select
col1
,col2
,col3
,row_number() over (order by
case when(@DIR = 'ASC') then


case when @COLTOSORTBY='col1' then col1 asc
when @COLTOSORTBY='col2' then col2 asc
else col3 asc
end
else

case when @COLTOSORTBY='col1' then col1 desc
when @COLTOSORTBY='col2' then col2 desc
else col3 desc
end
end
from myTable
)



Please let me know what i can do with minimal code repetition and achive my goal of dynamically sorting column and direction. I do not want to use dynamic SQL under any circumstance.

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I can do this as a case statement(as seen below) but this creates a new column. How can i overwrite this logic in the fee_code column ?My query is

SELECT
FDMSAccountNo,
Fee_Code,
month_end_date,
sum(Fact_Fee_History.Retail_amount) as 'PCI',
Case
when
fee_code = '42B' and (month_end_date >='2013-02-01') then '42C' end as Test
from Fact_Fee_History

[code]....

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This is the code from the current report writer query:

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[Code] ....

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(
CASE
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[Code] ....

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Jan 15, 2008

Hi,

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Table 1s data is something like:

col_1, col_2, col_3
Jack,jack@yahoo.ca,Toronto
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Table 2s data is something like:

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TABLE1
======================

PriceList
---------
1
2
3
1
2
3
1
2
3


Price
-----
777
888
999
777
888
999
777
888
999
(pretend these columns are side by side)
======================


I need to make a query to:
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the output that i want is:

PRICE1
------
777
777
777

PRICE2
------
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888
888

PRICE3
-----
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999
999
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Greetings,

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ALTER PROCEDURE [dbo].[MyProcedure]



AS

BEGIN

SELECT DISTINCT A.Name, A.index

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...
...
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END



ALTER PROCEDURE [dbo].[MyProcedure]



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BEGIN

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...
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CAT_MAIN_GAME = nvarchar(6)
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Below is the SQL Query i am currently having

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FinancialTransactionSummaryTest.ClaimNum,FinancialTransactionSummaryTest.TransactionAmount,
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[Code] ....

And here is the result dataset

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[Code] .....

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Previously, I had been duplicating the CASE logic for both columns, like so:




Code Block...beginning of SQL view...
shipment_status =
CASE
[logic for condition 1]
THEN 1
WHEN [logic for condition 2]
THEN 2
WHEN [logic for condition 3]
THEN 3
WHEN [logic for condition 4]
THEN 4
ELSE 0
END,
shipment_status_text =
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[logic for condition 1]
THEN 'Condition 1 text'
WHEN [logic for condition 2]
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WHEN [logic for condition 3]
THEN 'Condition 3 text'
WHEN [logic for condition 4]
THEN 'Condition 4 text'
ELSE 'Error'
END,
...remainder of SQL view...






This works, but the logic for each of the case conditions is rather long. I'd like to move away from this for easier code management, plus I imagine that this isn't the best performance-wise.

This is what I'd like to do:



Code Block
...beginning of SQL view...
shipment_status =
CASE
[logic for condition 1]
THEN 1
WHEN [logic for condition 2]
THEN 2
WHEN [logic for condition 3]
THEN 3
WHEN [logic for condition 4]
THEN 4
ELSE 0
END,


shipment_status_text =

CASE shipment_status

WHEN 1 THEN 'Condition 1 text'

WHEN 2 THEN 'Condition 2 text'

WHEN 3 THEN 'Condition 3 text'

WHEN 4 THEN 'Condition 4 text'

ELSE 'Error'

END,
...remainder of SQL view...


This runs as a query, however all of the rows now should "Error" as the value for shipment_status_text.

Is what I'm trying to do even currently possible in T-SQL? If not, do you have any other suggestions for how I can accomplish the same result?

Thanks,

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Oct 29, 2007

Hi guys,
I have the query below (running okay):



Code Block
SELECT DISTINCT Field01 AS 'Field01', Field02 AS 'Field02'
FROM myTables
WHERE Conditions are true
ORDER BY Field01

The results are just as I need:


Field01 Field02

------------- ----------------------

192473 8461760

192474 22810



Because other reasons. I need to modify that query to:



Code Block
SELECT DISTINCT Field01 AS 'Field01', Field02 AS 'Field02'
INTO AuxiliaryTable
FROM myTables
WHERE Conditions are true
ORDER BY Field01
SELECT DISTINCT [Field02] FROM AuxTable
The the results are:

Field02

----------------------

22810
8461760

And what I need is (without showing any other field):

Field02

----------------------

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Dec 22, 2006

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Aug 13, 2014

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i was thinking of doing

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Jul 4, 2006

Hello friends,
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select * from Tbl1
WHEN 2 THEN
select * from Tbl2
WHEN 3 THEN
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(1)
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(2)
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Apr 14, 2008

Hi,
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supposing we have a table like this:

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aName string2 NOT NULL
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go
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CONSTRAINT PK_a PRIMARY KEY CLUSTERED (aId)
go


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...
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6Bank of abcde
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aName string2 NOT NULL
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go
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... (20 times)

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4 Bank of abcde
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WHEN 'prodsize' THEN prodsize, prodname
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SELECT CASE
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Hi All,
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Here is my code:
Insert into myTblA
(TblA_ID,
mycasefield =
case
when mycasefield = 1 then 99861
when mycasefield = 2 then 99862
when mycasefield = 3 then 99863
when mycasefield = 4 then 99864
when mycasefield = 5 then 99865
when mycasefield = 6 then 99866
when mycasefield = 7 then 99867
when mycasefield = 8 then 99868
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end,
alt_min,
alt_max,
longitude,
latitude
(
Select MTB.LocationID
MTB.model_ID
MTB.elevation, --alt min
null, --alt max
MTB.longitude, --longitude
MTB.latitude --latitude
from MyTblB MTB
);

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I have tried various versions of the case statement based on examples I have found but nothing works.
I would greatly appreciate any assistance with this one. I've been smacking my head against the wall for awhile trying to find a solution.

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as per data in MS Sql

my tables are as follows
1)material
fields are -- material_id,project_type,project_id,qty, --

2)AB_Corporate_project
fields are-- ab_crp_id,custname,contract_no,field_no

3)Other_project
fields are -- other_proj_id,other_custname,po

for ex :
vales in table's are
AB_Corporate_project
=====================
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1 abc 234 66
2 xyz 33 20

Other_project
============
other_proj_id other_custname po
1 xxcx 111
2 dsd 222

material
=========
material_id project_type project_id qty
1 AB Corporate 1 3
2 Other Project 2 7

i have taken AB Corporate for AB_Corporate_project ,Other Project for Other_project


sample query i write :--

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ab.custname ,op.other_proj_id,op.other_custname,op. po
case if m.project_type = 'AB Corporate' then
select * from AB_Corporate_project where ab.ab_crp_id = m.project_id
else if m.project_type = 'Other Project' then
select * from Other_project where op.other_proj_id=m.project_id
end
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but this query not work,also it gives errors

i want sql query to show data as follows


material_id project_type project_id custname other_custname qty
1 AB Corporate 1 abc -- 3
2 Other Project 2 -- dsd 7

so plz help me how can i write sql query for to show the output
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SQL 2012 :: Using CASE In Order To Update Columns To Be Either A Or B

May 13, 2015

I am relatively new to complex queries and need creating a query using a CASE in order to update columns to be either A or B. A few things about this is that I am joining tables from linked servers as well. This is the last part. I execute the query and receive the error:

Incorrect syntax near the keyword 'from'.

select (select FirstName from [ZZZXXX].HCM.dbo.tPerson where PersonGUID = tPersonJobHistAlias.SupervisorPersonGUID) as supervisorFirstName,
(select LastName from [ZZZXXX].HCM.dbo.tPerson where PersonGUID = tPersonJobHistAlias.SupervisorPersonGUID) as supervisorLastName,
(select PersonID from [ZZZXXX].HCM.dbo.tPerson where PersonGUID = tPersonJobHistAlias.SupervisorPersonGUID) as SupervisorEmployeeID,

[Code] .....

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