Function To Return Greater Of Two Numbers

Jun 2, 2008

Greetings,

Is there anything new on returning max of two values in SQL 05? There seems to be nothing I have searched everywhere. Only option might be to create my own UDF or do a CASE statement, but I could not believe my eyes there is no such thing?

Thanks

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Transact SQL :: Query To Return Greater Than Zero Values To Sort Up And Zeros Go Down

Sep 17, 2015

I am using a table to store different size numbers for example:

Look at the picture below:

But I want this type of output look at the picture below:

How to sort the query to return greater than zero values to sort up and zeros go down. 

I am using sql server 2008.

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Transact SQL :: Function To Tokenize A String Of Characters Greater Than 4000

Jul 21, 2015

I'm using sys.dm_fts_parser dynamic management function to tokenize a string of characters >4000. The function doesn't accept a query_string parameter >4000 characters. Is there a way around this? I've tried to execute the SELECT defined in the function but that doesn't work.  

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Return Numeric Value All As +ve Numbers

May 16, 2008

Hi All,

I have a table Called Elasticity. Including some other fields it has a field called ElastVal of decimal type (2 places). The records for just this field are like this (example);

ElastVal
-450.88
-32.99
1.22
56.77
0.99


In my select I want to return all the fields from the Elasticity table including Elasticity in a way that even the negative numbers will be reterive as positive.

So in the above example the output should be;
ElastVal
450.88
32.99
1.22
56.77
0.99

How Can I do this in my select?

Please help.

Zee

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Aug 28, 2007


I'm a Reporting Services New-Be.

I'm trying to create a report that's based on a SQL-2005 Stored Procedure.

I added the Report Designer, a Report dataset ( based on a shared datasource).

When I try to build the project in BIDS, I get an error. The error occurs three times, once for each parameter on the stored procedure.

I'll only reproduce one instance of the error for the sake of brevity.

[rsCompilerErrorInExpression] The Value expression for the query parameter 'UserID' contains an error : [BC30654] 'Return' statement in a Function, Get, or Operator must return a value.

I've searched on this error and it looks like it's a Visual Basic error :

http://msdn2.microsoft.com/en-us/library/8x403818(VS.80).aspx

My guess is that BIDS is creating some VB code behind the scenes for the report.

I can't find any other information that seems to fit this error.

The other reports in the BIDS project built successfully before I added this report, so it must be something specific to the report.

BTW, the Stored Procedure this report is based on a global temp table. The other reports do not use temp tables.

Can anyone help ?

Thanks,

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T-SQL (SS2K8) :: Function To List Distinct Pax Name And Ticket Numbers?

Mar 14, 2014

I have data in a table Item_TB that I need to extract in a way that pulls out the distinct pax name and all the ticket numbers associated with the passenger per booking reference.

The data is:

Branch Folder ID Pax TktNo BookingRef
HQ 123 1 Jim 4444 ABCDE
HQ 123 2 Bob 5555 ABCDE
HQ 123 3 Jim 6666 ABCDE
HQ 123 4 Bob 7777 ABCDE
HQ 124 1 Jenny 8888 FGHIJ
HQ 124 2 Jenny 9999 FGHIJ
HQ 124 3 Jenny 3333 FGHIJ

I somehow need to get a function to pull the data out for each booking ref like so

--BookingRef ABCDE
Jim 4444/
6666
Bob 5555
7777
--BookingRef FGHIJ
Jenny 8888/
9999/
3333

I know I can get a simple function to return the all data, but I do not know how to only include the pax name once.

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Feb 1, 2007

I have a report with a column which contains either a string such as "N/A" or a number such as 12. A user exports the report to Excel. In Excel the numbers are formatted as text.

I already tried to set the value as CDbl which returns error for the cells containing a string.

The requirement is to export the column to Excel with the numbers formatted as numbers and the strings such as "N/A' in the same column as string.

Any suggestions?



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Getting A Return Value From A Function.

Oct 6, 2005

Im a self proclaimed newb and Im stuck on returning a value from a function. I want to get the AttendID that the SQL statement returns and dump it into strAttendID: Response.Redirect("ClassSurvey.aspx?Pupil=" & strAttendID)I cant seem to accomplish this. It returns nothing. Please help.TIA,Stue<code>Function Get_AttendID(ByVal strAttendID As String) As SqlDataReaderDim connString As String = ConfigurationSettings.AppSettings("ClassDB")Dim sqlConn As New SqlConnection(connString)Dim sqlCmd As SqlCommandDim dr As SqlDataReader
sqlConn.Open()Dim strSQL As String = "Select AttendID from attendees Where FirstName=@FirstName and LastName=@LastName and classbegdt = @classbegdt and survey = '0'"
sqlCmd = New SqlCommand(strSQL, sqlConn)
sqlCmd.Parameters.Add("@FirstName", SqlDbType.VarChar, 50)sqlCmd.Parameters("@FirstName").Value = tbFirstName.TextsqlCmd.Parameters.Add("@LastName", SqlDbType.VarChar, 50)sqlCmd.Parameters("@LastName").Value = tbLastName.TextsqlCmd.Parameters.Add("@classbegdt", SqlDbType.DateTime, 8)sqlCmd.Parameters("@classbegdt").Value = calBegDate.SelectedDate.ToShortDateStringdr = sqlCmd.ExecuteReader()dr.Close()sqlConn.Close()
Return dr
End Function</code>

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Jun 13, 2004

I want to write a function that returns the physical filepath of the master database for its MDF and LDF files respectively. This information will then be used to create a new database in the same location as the master database for those servers that do not have the MDF and LDF files in the default locations.

Below I have the T-SQL for the function created and a test query I am using to test the results. If I print out the value of @MDF_FILE_PATH within the funtion, I get the result needed. When making a call to the function and printing out the variable, all I get is the first letter of the drive and nothing else.

You may notice that in the function how CHARINDEX is being used. I am not sure why, but if I put a backslash "" as expression1 within the SELECT statement, I do not get the value of the drive. In other words I get "MSSQLData" instead of "D:MSSQLData" I then supply the backslash in the SET statement. I assume that this has something to do with my question.

Any suggestions? Thank you.

HERE IS T-SQL FOR THE FUNCTION
IF OBJECT_ID('fn_sqlmgr_get_mdf_filepath') IS NOT NULL
BEGIN
DROP FUNCTION fn_sqlmgr_get_mdf_filepath
END
GO

CREATE FUNCTION fn_sqlmgr_get_mdf_filepath (
@MDF_FILE_PATH NVARCHAR(1000)--Variable to hold the path of the MDF File of a database.
)
RETURNS NVARCHAR
AS

BEGIN

--Extract the file path for the database MDF physical file.
SELECT @MDF_FILE_PATH = SUBSTRING(mdf.filename, CHARINDEX('', filename)+1, LEN(filename))
FROM master..sysfiles mdf
WHERE mdf.groupid = 1

SET @MDF_FILE_PATH = SUBSTRING(@MDF_FILE_PATH, 1, LEN(@MDF_FILE_PATH) - CHARINDEX('', REVERSE(@MDF_FILE_PATH)))

RETURN @MDF_FILE_PATH

END



HERE IS THE TEST I AM USING AGAINST THE FUNCTION
SET NOCOUNT ON

DECLARE
@MDF_FILE_PATH NVARCHAR(1000)--Variable to hold the path of the MDF File of a database.

SELECT @MDF_FILE_PATH = dbo.fn_sqlmgr_get_mdf_filepath ( @MDF_FILE_PATH )
PRINT @MDF_FILE_PATH

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Return @@identity For Another Function

May 14, 2004

What I'm trying to do is provide a solution where users can upload an image and a description, to a database, so I'm trying to insert the title and description then return the @@identity for the image upload function which will name the image like this
image_23.jpg (23 being the @@identity) resize it and save it to specified directory

I cant seem to get the identity to return to my script.
This is my SP

CREATE PROCEDURE SP_Insertad
(
@catid int,
@subcatid int,
@areaid int,
@uid int,
@adtitle varchar(255),
@addescription varchar(1000)
)

AS
Insert Into Tbl_ad
(ad_title, ad_description,ad_area,ad_ui_id,ad_active,ad_date,ad_ct_id,ad_sc_id,ad_location)
VALUES
(@adtitle,@addescription,@areaid, @uid, 0,convert(varchar, GETUTCDATE(), 101), @catid, @subcatid, 1)

select @@identity
return
GO


I tested in query analyser, and it works fine, so It must be my code. this is my function

Sub Insert_pic(sender as object, e as eventargs)

Dim catid = Request.form("ddcats")
Dim subcatid = Request.form("subcatrad")
Dim adtitle = Request.Form("txttitle")
Dim AdDescription = Request.form("txtdescription")
Dim uid = getUID(Context.User.Identity.Name)
Dim areaid = Request.form("ddarea")
SQLConnect = new SqlConnection(ConfigurationSettings.Appsettings("mydB"))

SQLCommander = New SQLCommand("SP_INSERTad", SQLConnect)

SQLCommander.Commandtype = Commandtype.StoredProcedure

SQLCommander.Parameters.add("@adtitle", adtitle)
SQLCommander.Parameters.add("@addescription", addescription)
SQLCommander.Parameters.add("@catid", catid)
SQLCommander.Parameters.add("@subcatid", subcatid)
SQLCommander.Parameters.add("@uid", uid)
SQLCommander.Parameters.add("@areaid", areaid)

'// this section not working right, it wont write return id

Dim paramreturn as SQLParameter
paramreturn = SQLCommander.Parameters.Add("ReturnValue", SQLDBType.Int)
ParamReturn.Direction = ParameterDirection.ReturnValue

response.write(SQLCommander.Parameters("ReturnValue").Value)

SQLConnect.open()
SQLCommander.ExecuteNonQuery()
SQLConnect.close()

End sub

Can anybody see anything I missing? I appreciate any imput

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I Need The Function To Return A Srting

Jul 21, 2004

Hii every one
When i use the function of (select) from the data bass it return dataset or some thing else
But I need it to return string or the data element which in the query not all the query

like

I dont need that
_____________
| Id | Name |
-----------------
| 1 | Bill |
--------------------
I dont need All of that to display But I need to display the name only in Label or textbox
like
Bill

Thanks
Maro

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May 10, 2005

Hi,
I basically do not want to return a null value as a result of using a sum function (using sum against 0 rows).
Is there a common way to avoid this?
Thanx

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Table Return Function

Feb 14, 2008

Dear all,
can i write a table return function like this?

create function my_function(
returns @MYTABLE table(NAME VARCHAR(20),SES VARCHAR(20),CNT DECIMAL(10),MYDATE DATATIME)
insert into @mytable
select col1,col2,col3,col4 from tab1
go
select col1,col2,col3,col4 from tab2
go
select col1,col2,col3,col4 from tab3
go
select col1,col2,col3,col4 from tab4
go
return
end


am i doing correct?
what i'm expecting from this function is, i need all the data from select statements should be inserted into one table.
please guide me in this regard


Vinod
Even you learn 1%, Learn it with 100% confidence.

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Why My Function Wont Return The Value

Mar 9, 2008

//this is the function
double sem_3 ( double gpa_sem_1, double gpa_sem_2 )
{
int back_3;
char grade [2];
double score = 0;
double gpa_sem_3;
double cgpa_sem_3;

double problem_solving_and_programming;
double fundamentals_of_finance;

printf("FCCS1013 Problem Solving and Programming : ");
scanf("%s",&grade );
score = grade_selection( grade );
problem_solving_and_programming = score * 3;

printf("FBFF1013 Fundamentals of Finance : ");
scanf("%s",&grade );
score = grade_selection( grade );
fundamentals_of_finance = score * 3;

gpa_sem_3 = ( ( problem_solving_and_programming + fundamentals_of_finance ) / 6 );
cgpa_sem_3 = ( ( gpa_sem_1 + gpa_sem_2 + gpa_sem_3 ) / 3 );

printf("GPA = %.4f", gpa_sem_3);
printf("CGPA = %.4f", cgpa_sem_3);

printf("press 0 to go back to option menu: ");
scanf("%d", &back_3);

if( back_3 == 0 )
{
system("cls");
main();
}
else
{
printf("invalid option ");
}

return gpa_sem_3;
}
--------------------------------------------------------------------------------------------------------------------------------------------
//this is the main program(part of it only)

case 1:

system ( "cls" );
gpa_sem_1 = sem_1( );

break;
--------------------------------------------------------------------------------------------------------------------------------------------------
// why doesn't the error promp when the user enters an invalid entry? in the codes below.

double grade_selection ( char grade[] )
{

double score = 0;

if (strcmp( grade, "A+" ) ==0 || strcmp( grade, "a+" ) == 0)
{
score += 4.00;
}
else if (strcmp( grade, "A-" ) == 0 || strcmp( grade, "a-" ) == 0 )
{
score += 3.70;
}
else if (strcmp( grade, "B+" ) == 0 || strcmp( grade, "b+" ) == 0 )
{
score += 3.30;
}
else if (strcmp( grade, "B" ) == 0 || strcmp( grade, "b" ) == 0 )
{
score += 3.00;
}
else if (strcmp( grade, "B-" ) || strcmp( grade, "b-" ) == 0)
{
score += 2.70;
}
else if (strcmp( grade, "C+" ) || strcmp( grade, "c+" ) == 0 )
{
score += 2.30;
}
else if (strcmp( grade, "C" ) || strcmp( grade, "c" ) == 0 )
{
score += 2.00;
}
else if (strcmp( grade, "D" ) || strcmp( grade, "d" ) == 0 )
{
score += 1.00;
}
else if (strcmp( grade, "F" ) || strcmp( grade, "f" ) == 0 )
{
score += 0.00;
}
else
{
printf( "invalid grade" );
printf( "please enter again: " );
getchar( grade[2] );
}

return score;

}
-------------------------------------------------------------------------------------------------------------
thanks.

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May 23, 2006

Hi,

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How can I solve this problem and return varchar(MAX)?

Thanks

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May 17, 2008

Hi guys!

the problem is this:

I have a procedure that execute a function and i want to catch the return function value but i'm getting a null value.

I'm using:

exec @a = <function>


but the @a variable is allways null...



If i exec the function directly, i get the correct value.



What am i doing wrong?

Thanks in advance.

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Apr 7, 2008

I have a function that is using a select case decision structure to arrive at a return value:


[dbo].[fn_Window]

(@Start AS INT,

@End AS INT) RETURNS VARCHAR(5)

AS

BEGIN

SELECT

CASE

/*** Pick up the extended periods here ***/

WHEN @Start = 1 AND @End = 1 THEN 'TRUE'
ELSE 'FALSE'
END

END

**** from here how do I get the function to return true or false? ****
Can I assign the select case result to a variable? If so how?

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Jul 30, 2007

Hi,I have a sql 2005 function who return a distance from 2 zipcodes. This function is called from a Stored procedure like this :SELECT *, dbo.fn_GetDistance (...) AS DistanceIn this function, i have a Latitude and i want this Latitude to be also returned.It is possible or a function can return only one variable?If it is possible, what's the syntax of it?Thanks in advance

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Jun 6, 2005

Cannot see where I am going wrong. I always get a value of 0. I know my function works correctly, so it must be the VB.


CREATE FUNCTION [dbo].[getNextProjectID] ()
RETURNS varchar(10) AS
BEGIN
'''''''''''''''''''...........................
DECLARE @vNextProjectID varchar(10)
RETURN @vNextProjectID
END


Sub LoadNextProjectNumber()
        Dim vProjectID As String
        Dim cmd As New SqlClient.SqlCommand()
        cmd.Connection = sqlConn
        cmd.CommandText = "getNextProjectID"

        cmd.Parameters.Add("@vNextProjectID", vProjectID)
        cmd.Parameters("@vNextProjectID").Direction = ParameterDirection.ReturnValue

        cmd.ExecuteScalar()
        vProjectID = cmd.Parameters("@vNextProjectID").Value

        txtProjectID.Text = vProjectID

        cmd.Dispose()
End Sub

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Jun 19, 2007

searched all over, couldn't find a solid answer...is it possible to return multiple values from a sql function with sql server 2005?

e.g., I want to do this:

select id, data, whatever, dbo.fnMyFunction(id, whatever) from table

and have the output have columns (id, data, whatever, col1, col2) where col1 and col2 are returned by fnMyFunction

possible? easier way? thanks in advance...

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Jun 16, 2008

Hi I need a function which gets 3 parameters and input and returns 4 integers as output.
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any idea is appreciated.

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Jan 19, 2014

I have an existing function and need to alter function to give result of the parent-description until its parent is reached.

--CREATE TABLE

CREATE TABLE [dbo].[CityData](
[Id] [int] NULL,
[ParentID] [int] NULL,
[City] [nchar](20) NULL,
[Location] [nchar](50) NULL,
[Amt] [int] NULL
) ON [PRIMARY]

[Code] ....

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Apr 10, 2007

Is it possible to write dynamic sql on scalar function and assign the value to return value? I like some thing like below but it is not working...
Thanks
______________________________________________________________________
set @sql = 'select @CallLegKey= min(calllegkey) as CallLegKey
from rt_'+@platform+'_CallLegs
where datediff(day,convert(datetime, CallEndTime) ,'''+cast(@today as varchar(20))+''') = '+cast(@cutoff as varchar(5))
exec @sql

return @CallLegKey

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May 15, 2007

I have created a function to return values, which works fine, but I can't do calculations in it.

CREATE FUNCTION [dbo].[tf_Asset_Portfolio](@deal_id int,
@as_of_date datetime)
RETURNS TABLE
AS
RETURN ( SELECT DISTINCT dbo.Assets.issue_id, SUM(DISTINCT dbo.Assets.par_amount) AS par_amount, SUM(DISTINCT dbo.Assets.par_amount) AS market_value
FROM dbo.Issue INNER JOIN
dbo.Assets ON dbo.Issue.issue_id = dbo.Assets.issue_id INNER JOIN
dbo.Issuer_Rating_History ON dbo.Issue.issuer_id = dbo.Issuer_Rating_History.issuer_id
WHERE (dbo.Issuer_Rating_History.as_of_date <= @as_of_date)
GROUP BY ALL dbo.Assets.issue_id, dbo.Assets.deal_id, dbo.Issue.default_date
HAVING (dbo.Assets.deal_id = @deal_id) )

I need to do calculations on market value based on the default date.
If default date isn't specified then it should be 100% of par amount.
If default date is less than one year ago - 65% of the par_amount.
If default date is one or more years ago - 0.
I have no idea about how to do this and everything I try wont work.
I created another function to do the calculations and this seems to work, but it only does one record instead of all of them.

CREATE FUNCTION dbo.tf_Asset_Portfolio2
(@deal_id int,
@as_of_date datetime)
RETURNS @Market TABLE
(issue_id int, par_amount money, market_value money)
AS
BEGIN
DECLARE @ReturnDate datetime
DECLARE @DD datetime
DECLARE @PA money
DECLARE @MV money
DECLARE @ID int
DECLARE @DateD int

SELECT TOP 1
@ReturnDate = LAST_BATCH
FROM master..sysprocesses
WHERE SPId = @@SPID

SELECT @ID = issue_id FROM Assets WHERE Assets.deal_id = @deal_id
SELECT @PA = SUM(DISTINCT par_amount) FROM Assets WHERE Assets.issue_id = @ID AND Assets.deal_id = @deal_id
SELECT @DD = default_date FROM Issue WHERE Issue.issue_id = @ID

SET @DateD = DateDiff("yyyy", @DD, @ReturnDate)

If @DD = Null
BEGIN
SET @MV = @PA
END
Else If @DD > @ReturnDate
BEGIN
SET @MV = @PA
END
Else If @DateD < 1
BEGIN
SET @MV = @PA * .65
END
Else If @DateD >= 1
BEGIN
SET @MV = 0
END

insert into @Market
(issue_id, par_amount, market_value)
values
(@ID,@PA,@MV)

RETURN
END

I need to combine the functionality of being able to return mutliple records that isn't in the 2nd function and being able to calculate the market value which isn't in the first one. Please help. Thank you in advance.

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Nov 14, 2007

hi can anyone please help me
i have a stored procedure ,can i put the value of this into a variable......????
I have one more query ---how can i pass the multiple values returned by this stored procedure into a single variable ...
example if my stored procedure is

[dbo].[GetPortfolioName](@NT_Account varchar(100) )
and ans of this are
NL
UK
IN
GN
JK
then how can i put this into a variable like

Declare @PortfolioName as varchar(250)
set @PortfolioName =(exec ].[GetPortfolioName](@NT_Account) )
.......
and my ans is
@PortfolioName = 'NL','UK','IN','GN','JK'

now can i make a function which returns 'NL','UK','IN','GN','JK'

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Jan 3, 2008



I have created the following user function :-


SET ANSI_NULLS ON

GO

SET QUOTED_IDENTIFIER ON

GO

ALTER function [dbo].[GetBillPrice](@BillLineID int)

returns float

as

begin

DECLARE @BillPrice float

SET @BillPrice = (

SELECT ((CAST(T_BillValueAndTax.BillValueAndTaxBillValue as float))+(CAST(T_BillTax.BillTaxTax1Value as float)) +(CAST(T_BillTax.BillTaxTax2Value as float)))

FROM T_BillLine

INNER JOIN T_BillValueAndTax on T_BillValueAndTax.BillValueAndTaxID = T_BillLine.BillValueAndTaxID_Price

INNER JOIN T_BillTax on T_BillTax.BillTaxID = T_BillValueAndTax.BillTaxID_Bill

WHERE T_BillLine.BillLineID = @BillLineID)

return ABS(@BillPrice)



end



No matter how I try to return the @BillPrice value, the value is rounded to the nearest whole number. For instance if the value is calculated as 198.75 the value returned is 199.0


When I execute the function in Query Anlayser the correct value of 198.75 is returned.


Any help in solving this would be greatly appreciated.

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Dec 21, 2007

I have a function that I need to call from an execute sql task. I want to bind the return value from the function to an ssis variable.

Can someone please show me an example of what the function syntax needs to look like in order for this to work? I know that with sp's, you need to explicitly state the column names.

I have tried many things without success.

Thanks

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Sep 21, 2007

Hi,

I am trying to find a way to return the result of an EXEC(*sqlstring*) from a function. I can return the tsql but not the result of an execute.

This is my function:

ALTER FUNCTION [dbo].[ReturnPickItemValue]
(
-- Add the parameters for the function here
@TypeID int,
@CaseID int
)
RETURNS varchar(max)
AS
BEGIN
-- Declare the return variable here
DECLARE @RTN varchar(max)

IF(SELECT IncludeDates FROM TBL_LU_PICK WHERE PickTypeID = @TypeID) = 1
BEGIN
SET @RTN = 'SELECT PickItem I +
CASE D.IsStartDateEstimated
WHEN 0 THEN CAST(StartDate as varchar)
ELSE CAST(dbo.ReturnEstimatedDate(D.IsStartDateEstimated, 0) as varchar)
END +
CASE D.IsEndDateEstimated
WHEN 0 THEN CAST(EndDate as varchar)
ELSE CAST(dbo.ReturnEstimatedDate(D.IsEndDateEstimated, 1) as varchar)
END

FROM TBL_LU_PICK L
INNER JOIN TBL_Pick_Items I ON I.PickTypeID = L.PickTypeID
INNER JOIN TBL_PICK P ON P.PickItemID = I.PickItemID
LEFT JOIN TBL_PickDates D ON D.PickID = P.PickID
WHERE L.PickTypeID = ' + CAST(@TypeID as varchar) + '
AND P.CaseID = ' + CAST(@CaseID as varchar)
END
ELSE
BEGIN
SET @RTN=
'SELECT I.PickItem
FROM TBL_LU_PICK L
INNER JOIN TBL_Pick_Items I ON I.PickTypeID = L.PickTypeID
INNER JOIN TBL_Pick P ON P.PickItemID = I.PickItemID
WHERE L.PickTypeID = ' + CAST(@TypeID as varchar) + '
AND CaseID = ' + CAST(@CaseID as varchar)
END


RETURN @RTN

END



Each time I try " RETURN EXEC(@RTN) " or something similar I get an error.

I have tried executing the tsql and assigning the result to a varchar and returning that varchar but i get an error.

Anyone with any ideas?

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Jan 21, 2008

Hello all:

How can I return the result of a SELECT statement from a stored procedure (function)?

CREATE FUNCTION returnAllAuthors ()
RETURNS (what do i put here??)
BEGIN

// Is this right??
RETURN SELECT * FROM authors

END


Thanks!

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May 5, 2004

Hi,
We Have Been Trying To Convert Some Pf The Procs Into Functions Of Late,but There Is A Problem :-we Have Been Unable To Return More Than 1 Table Value From A Function.

Create Function F_clusters()
Returns @ki Table(names Nvarchar(200),total Int),
As
Begin
Insert @ki
Select Names,count(distinct Chremail) As From Customer
Where Chremail Is Not Null
Return
End

This Works Fine :-
And Gives The Reqd. Results.

But,

If I Am Using The Same Function To Return Two Tables Then It Doesn't Work,could You Pls Chk.



Create Function F_clusters()
Returns @ki Table(names Nvarchar(200),total Int),@k2 Table(names Nvarchar(200),total Int)
As
Begin
Declare @cnt Int
Set @cnt = 1
While @cnt <= 2
If @cnt =1
Begin
Insert @ki
Select Names,count(distinct Chremail) As From Customer
Where Chremail Is Not Null
Set @cnt = @cnt + 1
End
If @cnt =2
Begin
Insert @k2
Select @naamre,count(distinct(a.intcustomerid)) As Pura_ginti From Trcustomerpreference03july A Inner Join Cleancustomer B
On A.intcustomerid = B.intcustomerid
Where Chremail <> ' ' And Chremail Is Not Null
And Intpreferenceid In (6,7,2,3,12,10)
Set @cnt2 = @cnt2 + 1
End
End
Return
End


Can We Return Two Tables Or Is It Not Possible ?
Pls Chk Into This And Tell Me.

Thanks.

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Creating Sql-clr Function With Void Return Type

Mar 18, 2008



hi to all,
i have written SQL-CLR function using C# which will perform some manupulation and will not not return any value(return type is void)
i am creating sql function using SQL script


CREATE FUNCTION dbo.Amex ()

RETURNS NULL

AS CALLER

WITH EXECUTE

AS

EXTERNAL

NAME [AMEX].[UserDefinedFunctions].[Function1];

GO


but i am getting error.
there is something wrong in my sql syntax..can anybody help me?



when creating funtion having signature


public static void Function1()


i am getting error.......................
Error 1 The method "Function1" in class "UserDefinedFunctions" marked as a user defined function must return a scalar value or ISqlReader. SqlServerProject1

can anybody help me?

thanks in advance

Chetan S. Raut

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Return NULL From A CLR Scalar-Valued Function

Jul 11, 2007

Hi,



I have an assembly that contains the following function:



Public Class Lookup



<SqlFunction()> _

Public Shared Function MyTest() As Integer

Return System.Data.SqlTypes.SqlInt64.Null

End Function



End Class



Then in SSMS:



CREATE ASSEMBLY IRS_MyTest

FROM '\machine empmyAssembly.dll'

GO

CREATE FUNCTION dbo.MyTest() RETURNS INT

AS EXTERNAL NAME IRS_MyTest.[MyClass].MyTest

GO



when I run:



SELECT dbo.MyTest()



the following is returned:



Msg 6522, Level 16, State 2, Line 1

A .NET Framework error occurred during execution of user defined routine or aggregate 'MyTest':

System.Data.SqlTypes.SqlNullValueException: Data is Null. This method or property cannot be called on Null values.

System.Data.SqlTypes.SqlNullValueException:

at System.Data.SqlTypes.SqlInt64.get_Value()

at System.Data.SqlTypes.SqlInt64.op_Explicit(SqlInt64 x)

at Informed.DCLG.IRS.SQL.IncidentTransform.Lookup.MyTest()





Can anyone please advise on how to return back a null value. Currently, my only other option is to return nothing (actually returns 0) and then wrap this up to convert the value to null - not ideal.







Thanks,



Jan.

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Function For Return Element List From A Query

Aug 9, 2007

Hello,

I have do a sql function for return a list of element from a query send in variable.



When I test the function on self I have no problem.

But when I use the function in a sql query I have problem.

example :




Code SnippetSELECT APPLI_SUPPLIER.N_SUPPLIER_ID, APPLI_SUPPLIER.V_SUPPLIER_LABEL,
dbo.APPLI_RETURN_LIST_ITEM('SELECT DISTINCT APPLI_CONSTRUCTION.V_PROCESS_CODE FROM APPLI_CONSTRUCTION INNER JOIN APPLI_SUPPLIER_SKILL ON APPLI_CONSTRUCTION.N_SUPPLIER_ID = APPLI_SUPPLIER_SKILL.N_SUPPLIER_ID WHERE (APPLI_CONSTRUCTION.V_PROCESS_CODE IS NOT NULL) AND (APPLI_SUPPLIER_SKILL.N_SKILL_ID IN (2,3,4,5,6))')
AS V_PROCESS_ITEMS
FROM APPLI_SUPPLIER INNER JOIN
APPLI_SUPPLIER_SKILL ON APPLI_SUPPLIER.N_SUPPLIER_ID = APPLI_SUPPLIER_SKILL.N_SUPPLIER_ID
WHERE (APPLI_SUPPLIER_SKILL.N_SKILL_ID IN (2, 3, 4, 5, 6))






This is the error :

Server: Msg 557, Level 16, State 2, Procedure APPLI_RETURN_LIST_ITEM, Line 24
Only functions and extended stored procedures can be executed from within a function.



When I do an exec of the function I have this problem :



Code Snippet
exec APPLI_RETURN_LIST_ITEM('SELECT DISTINCT APPLI_CONSTRUCTION.V_PROCESS_CODE FROM APPLI_CONSTRUCTION INNER JOIN APPLI_SUPPLIER_SKILL ON APPLI_CONSTRUCTION.N_SUPPLIER_ID = APPLI_SUPPLIER_SKILL.N_SUPPLIER_ID WHERE (APPLI_CONSTRUCTION.V_PROCESS_CODE IS NOT NULL) AND (APPLI_SUPPLIER_SKILL.N_SKILL_ID IN (2,3,4,5,6))')


Server: Msg 170, Level 15, State 1, Line 1
Line 1: Incorrect syntax near 'SELECT DISTINCT APPLI_CONSTRUCTION.V_PROCESS_CODE FROM APPLI_CONSTRUCTION INNER JOIN APPLI_SUPPLIER_SKILL ON APPLI_CONSTRUCTION.N_SUPPLIER_ID = APPLI_SUPPLIER_SKILL.N_SUPPLIER_ID WHERE (APPLI_CONSTRUCTION.V_PROCESS_CODE IS NOT NULL) AND (APPLI_SUPPLIER_SKILL.N_SKILL_ID IN (2,3,4,5,6))'



This is the function



Code Snippet
CREATE FUNCTION [dbo].[APPLI_RETURN_LIST_ITEM]
(@QUERY AS VARCHAR(3900)=null)
RETURNS varchar(8000)
AS
BEGIN
-- Insert statements for procedure here
declare @v_List_ITEM as varchar(8000)
set @v_List_ITEM=''
if @QUERY is not null
Begin
declare @cur_Lect_ITEM CURSOR;
declare @FUNCTION AS NVARCHAR(4000);
Declare @ITEM as VARCHAR(255);
SET @FUNCTION = 'set @mainCursor=cursor for ' + @QUERY + ' for read only open @mainCursor'


EXEC sp_executesql @FUNCTION,N'@mainCursor cursor output', @cur_Lect_ITEM output
fetch next from @cur_Lect_ITEM into @ITEM
while @@fetch_status=0
begin
set @v_List_ITEM=@ITEM + ' ; ' + @v_List_ITEM
fetch next from @cur_Lect_ITEM into @ITEM
end
deallocate @cur_Lect_ITEM
SET @v_List_ITEM=REPLACE(REPLACE(@v_List_ITEM, CHAR(13), ''), CHAR(10), '')
set @v_List_ITEM=left(@v_List_ITEM,len(@v_List_ITEM)-3)
End
RETURN @v_List_ITEM
END


Can you help me please?
Thank you

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