How To Use User Defined Function In Stored Procedure?

Hello friends,

           I want to use my user defined function in a stored procedure.

I have used it like ,

select statement where id = dbo.getid(1,1,'abc')

//dbo.getid is a user defined function.



procedure is created successfully but when i run it by exec procedurename parameter



I get error that says

"Cannot find either column "dbo" or the user-defined function or aggregate "dbo.getid", or the name is ambiguous."


Can any body help me?



Rgds,

Kiran.



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Stored Procedure - User Defined Function.

Hi.I'm really new to MSSQL, so therefore my question can sound stupid.Is it possible to use a function written in a module in MS-ACCESS in astored procedure?Or how can it be done, it is a complicated function with loop and more.I'll appreciate all answers also negatives ones.TIAJørn

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User-Defined-Function With-in Stored-Procedure??

Does MS-SQL allow us to create an user-defined function within the stored-procedure script? I have been getting errors. It's my first time using the user-defined function with stored-procedure. I welcome your help.


Code:


CREATE FUNCTION ftnVehicleYearFormattor (@sValue VARCHAR(2))
RETURNS VARCHAR(2)
AS
BEGIN
IF (LEN(@sValue) < 2)
SET @sValue = '0' + @sValue

RETURN @sValue
END



Thanks...

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Stored Procedure And Calling User Defined Function

I seem to be getting tasks that I am not familiar with these days. I am a
guy that has coded it all in the asp page or in the code behind in .NET.
This problem is outlined below and I need a help / advice on doing this. I
had the flow of the 3 parts to it expanded below. A call is made to a Stored
Procedure, The SP then calls a user defined function that runs SQL, this
returns a 1 or 0 to the SP which then returns the value back to the call on
the asp page. This is a lot I know but it is the way the lead guy wants it
done. Any help so I can keep most of the hair I have left is appreciated :-)

Short list of process flow:

1. Form.asp calls to rx_sp_HasAccessToClient in SQL SERVER

2. rx_sp_HasAccessToClient then calls ab_HasAccessToClient

3. ab_HasAccessToClient runs SQL command on db and sends return bit back to
rx_sp_HasAccessToClient

4. rx_sp_HasAccessToClient then sends this back to the call in the Form.asp
page

5. Form.asp then checks the Boolean and if 1 then show or if 0 then deny.

<FLOW WITH CODE AND FUNCTIONS :>

This is not the correct syntax but is showing what I understand sort of how
this is to be done so far.

This panel loads up the Vendors and id's when the user clicks on the link
"view detailed list of vendors associated with this client". This is the
beginning of the process.

This is code in Form.asp

'PANEL ONE
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX XXXXXXXXXXXXXXXXXXXXXX----
>

If ValidateInput(Request.Querystring("Postback"))="FormDetails" then 'Check
Postback Type

'We need to load up vendors associated with the current client.

'--------- CHECK ACCESS HERE via function ab_HasAccessToClient
--------

'If the call returns 1, then the employee has access.

'Otherwise, just write out "Access to this client is denied."

'CALL SP - Not sure what parameters need to go with it or its syntax

Execute_SP("rx_sp_HasAccessToClient '" & ClientSSN & "', 1)

'When it returns can check it here........

if ab_HasAccessToClient result is a 1 then

'boolean would be 1 so show panel

Else

'boolean would be 0 so show access denied

'allow them to go back to the original page.

end if

'PANEL ONE
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX XXXXXXXXXXXXXXXXXXXXXX----
>

ON SQL SERVER: Stored Procedure

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

rx_sp_HasAccessToClient

CREATE PROCEDURE [dbo].[ rx_sp_HasAccessToClient]

@EmployeeID INT,

@ClientSSN varchar(50),

@ReturnBitValue = OUTPUT

/*

' Parameters here passed via call from Form.asp - not sure what is passed
yet.

*/

AS

set nocount on

/*

Written by Mike Belcher 9/27/2007 for Form.asp

'Calls ab_HasAccessToClient function - not sure of the syntax as of yet,
just making flow.

'Gets return bit and passes that back to the call from Form.asp

*/

GO

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

ON SQL SERVER: User-Defined Function

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

ab_HasAccessToClient

CREATE FUNCTION ab_HasAccessToClient (@employeeID INT, @ClientSSN
VARCHAR(50))

@ClientSSN varchar(50),

@EmployeeID,

@ReturnBitValue = OUTPUT

AS

SELECT 1

FROM tblEmployeesClients ec

INNER JOIN tblClients c ON ec.ClientID = c.ClientSSN

INNER JOIN tblEmployees e ON ec.Employee = e.EmployeeLogInName

WHERE e.EmployeeID= @EmployeeID

AND c.InActiveClient=0

AND c.ClientSSN = @ClientSSN

'Some Code here to save result bit ..

RETURN @ReturnBitValue 'Back to rx_sp_HasAccessToClient

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

</FLOW WITH CODE AND FUNCTIONS :>

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Stored Procedure And Calling User Defined Function

I seem to be getting tasks that I am not familiar with these days. I am a
guy that has coded it all in the asp page or in the code behind in .NET.
This problem is outlined below and I need a help / advice on doing this. I
had the flow of the 3 parts to it expanded below. A call is made to a Stored
Procedure, The SP then calls a user defined function that runs SQL, this
returns a 1 or 0 to the SP which then returns the value back to the call on
the asp page. This is a lot I know but it is the way the lead guy wants it
done. Any help so I can keep most of the hair I have left is appreciated :-)

Short list of process flow:

1. Form.asp calls to rx_sp_HasAccessToClient in SQL SERVER

2. rx_sp_HasAccessToClient then calls ab_HasAccessToClient

3. ab_HasAccessToClient runs SQL command on db and sends return bit back to
rx_sp_HasAccessToClient

4. rx_sp_HasAccessToClient then sends this back to the call in the Form.asp
page

5. Form.asp then checks the Boolean and if 1 then show or if 0 then deny.

<FLOW WITH CODE AND FUNCTIONS :>

This is not the correct syntax but is showing what I understand sort of how
this is to be done so far.

This panel loads up the Vendors and id's when the user clicks on the link
"view detailed list of vendors associated with this client". This is the
beginning of the process.

This is code in Form.asp

'PANEL ONE
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX XXXXXXXXXXXXXXXXXXXXXX----
>

If ValidateInput(Request.Querystring("Postback"))="Fo rmDetails" then 'Check
Postback Type

'We need to load up vendors associated with the current client.

'--------- CHECK ACCESS HERE via function ab_HasAccessToClient
--------

'If the call returns 1, then the employee has access.

'Otherwise, just write out "Access to this client is denied."

'CALL SP - Not sure what parameters need to go with it or its syntax

Execute_SP("rx_sp_HasAccessToClient '" & ClientSSN & "', 1)

'When it returns can check it here........

if ab_HasAccessToClient result is a 1 then

'boolean would be 1 so show panel

Else

'boolean would be 0 so show access denied

'allow them to go back to the original page.

end if

'PANEL ONE
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX XXXXXXXXXXXXXXXXXXXXXX----
>

ON SQL SERVER: Stored Procedure

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

rx_sp_HasAccessToClient

CREATE PROCEDURE [dbo].[ rx_sp_HasAccessToClient]

@EmployeeID INT,

@ClientSSN varchar(50),

@ReturnBitValue = OUTPUT

/*

' Parameters here passed via call from Form.asp - not sure what is passed
yet.

*/

AS

set nocount on

/*

Written by Mike Belcher 9/27/2007 for Form.asp

'Calls ab_HasAccessToClient function - not sure of the syntax as of yet,
just making flow.

'Gets return bit and passes that back to the call from Form.asp

*/

GO

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

ON SQL SERVER: User-Defined Function

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

ab_HasAccessToClient

CREATE FUNCTION ab_HasAccessToClient (@employeeID INT, @ClientSSN
VARCHAR(50))

@ClientSSN varchar(50),

@EmployeeID,

@ReturnBitValue = OUTPUT

AS

SELECT 1

FROM tblEmployeesClients ec

INNER JOIN tblClients c ON ec.ClientID = c.ClientSSN

INNER JOIN tblEmployees e ON ec.Employee = e.EmployeeLogInName

WHERE e.EmployeeID= @EmployeeID

AND c.InActiveClient=0

AND c.ClientSSN = @ClientSSN

'Some Code here to save result bit ..

RETURN @ReturnBitValue 'Back to rx_sp_HasAccessToClient

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

</FLOW WITH CODE AND FUNCTIONS :>

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Hi Jonathan Kehayias,  Thanks for your valuable response. 
 
I had a hard time to sumbit my reply in that original thread yesterday.  So I created this new thread.
 
Here is my response to the last code/instruction you gave me:

I corrected a small mistake (on Integrated Security-SSPI and  executed the last code you gave me. 

I got the following debug error message:

1) A Box appeared and said:   String or binary data would be truncated.

                                             The statement has been terminated.

                                                            |OK|

2) After I clicked on the |OK| button, the following message appeared:

                                   This  "SqlException was unhandled

                                             String or binary data would be truncated.

                                             The statement has been terminated."

                                    is pointing to the "Throw" code statement in the middle of

                                                                                 .......................................

                                                                                 Catch ex As Exception

                                                                                       MessageBox.Show(ex.Message)

                                                                                       Throw

                                                                                  Finally

                                                                                  ..........

Please help and advise how to correct this problem in my project that is executed in my VB 2005 Express-SQL Server Management Studio Express PC.

 

Thanks,
Scott Chang 
 
The code of my Form1.vb is listed below:

Imports System.Data

Imports System.Data.SqlClient

Imports System.Data.SqlTypes

Public Class Form1

Public Sub InsertNewFriend()

Dim connectionString As String = "Data Source=.SQLEXPRESS;Initial Catalog=shcDB;Integrated Security=SSPI;"

Dim connection As SqlConnection = New SqlConnection(connectionString)

Try

connection.Open()

Dim command As SqlCommand = New SqlCommand("sp_insertNewRecord", connection)

command.CommandType = CommandType.StoredProcedure

command.Parameters.Add("@procPersonID", SqlDbType.Int).Value = 7

command.Parameters.Add("@procFirstName", SqlDbType.NVarChar).Value = "Craig"

command.Parameters.Add("@procLastName", SqlDbType.NVarChar).Value = "Utley"

command.Parameters.Add("@procAddress", SqlDbType.NVarChar).Value = "5577 Baltimore Ave"

command.Parameters.Add("@procCity", SqlDbType.NVarChar).Value = "Ellicott City"

command.Parameters.Add("@procState", SqlDbType.NVarChar).Value = "MD"

command.Parameters.Add("@procZipCode", SqlDbType.NVarChar).Value = "21045"

command.Parameters.Add("@procEmail", SqlDbType.NVarChar).Value = "CraigUtley@yahoo.com"

Dim resulting As String = command.ExecuteNonQuery

MessageBox.Show("Row inserted: " + resulting)

Catch ex As Exception

MessageBox.Show(ex.Message)

Throw

Finally

connection.Close()

End Try

End Sub

Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load

InsertNewFriend()

End Sub

End Class
 

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Hi all,
 
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--insertNewRocord.sql--

USE shcDB

GO

CREATE PROC sp_insertNewRecord @procPersonID int,

                                                       @procFirstName nvarchar(20),

                                                       @procLastName nvarchar(20),

                                                       @procAddress nvarchar(50),

                                                       @procCity nvarchar(20),

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                                                       @procZipCode nvarchar(20),

                                                       @procEmail nvarchar(50)

AS INSERT INTO MyFriends

VALUES (@procPersonID, @procFirstName, @procLastName, @procAddress,

@procCity, @procState, @procZipCode, @procEmail)

GO

EXEC sp_insertNewRecord 7, 'Peter', 'Wang', '678 Old St', 'Detroit',

'Michigon', '67899', 'PeterWang@yahoo.com'

GO

=======================================================================
Now, I want to insert a new record into the dbo.Friends table of my shcDB by executing the following T-SQL and Visual Basic 2005 codes that are programmed in a VB2005 Express project "CallshcDBspWithAdoNet":
--Form1.vb--

Imports System.Data

Imports System.Data.SqlClient

Imports System.Data.SqlTypes

Public Class Form1

Public Sub InsertNewFriend()

Dim connectionString As String = "Integrated Security-SSPI;Persist Security Info=False;" + _

"Initial Catalog=shcDB;Data Source=.SQLEXPRESS"

Dim connection As SqlConnection = New SqlConnection(connectionString)

connection.Open()

Try

Dim command As SqlCommand = New SqlCommand("sp_InsertNewRecord", connection)

command.CommandType = CommandType.StoredProcedure
 

EXEC sp_insertNewRecord 6, 'Craig', 'Utley', '5577 Baltimore Ave',

'Ellicott City', 'MD', '21045', 'CraigUtley@yahoo.com'

 
Console.WriteLine("Row inserted: " + _

command.ExecuteNonQuery().ToString)

Catch ex As Exception

Console.WriteLine(ex.Message)

Throw

Finally

connection.Close()

End Try

End Sub

End Class

===========================================================
I ran the above project in VB 2005 Express and I got the following 5 errors:
1. Name 'EXEC' is not declared  (in Line 16 of Form1.vb)
2. Method arguments must be enclosed in parentheses (in Line 16 of Form1.vb)
3. Name 'sd-insertNewRecord' is not declared. (in Line 16 of Form1.vb)
4.Comma, ')', or a valid expression continuation expected (in Line 16 of Form1.vb)
5. Expression expected (in Line 16 of Form1.vb)
============================================================
I know that "EXEC sp_insertNewRecord 6, 'Craig', 'Utley', '5577 Baltimore Ave',

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Scott Chang

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Here is the current code. Hopefully someone can tell me how to do the holiday check on the current date.
I really don't want to rewrite the whole script .
Code---------------------------------------------------------
SET QUOTED_IDENTIFIER OFF GOSET ANSI_NULLS OFF GO
--DROP FUNCTION GetStartDate
--declare function receiving two parameters ---the date we start counting and the number of business days
CREATE  FUNCTION GetStartDate (@startdate datetime, @days int)   RETURNS datetimeASBEGIN
--declare a counter to keep track of how many days are passingdeclare @counter int
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--declare a variable to hold the ending datedeclare @enddate datetime
--set the end date to the start date.  we'll be -- incrementing it for each passing business dayset @enddate = @startdate
/*Start your loop.While your counter (which was set to 1), is less than or equal to the number of business days increment your end date*/WHILE @counter <= @days
BEGIN
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--end the while loopEND
--return the end dateRETURN @enddate
--end the functionEND
GOSET QUOTED_IDENTIFIER OFF GOSET ANSI_NULLS ON GO
---------------------------------------------------------------------------------------------

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CREATE FUNCTION fnShipments ()
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So the UDF will return to me 20.
But I dont want 20, I want the UDF to avoid any all hours which are not work related (any time after 16h00
until 8h00 in the morning), so I want this UDF to return 4. That means from '9 Nov 2004 15:00:00' I have calculated
1hr until 16h00 and 3hrs from 8 until 11h00 on '10 Nov 2004 11:00:00'

AGAIN IT MUST NOT CALCULATE WEEKENDS. Lets say '12 Nov 2004 15:00:00' was Friday and now = '15 Nov 2004 11:00:00', I must still
get 4 as a return from UDF

I would also like now to be my getdate(), but it seems like you can't use it in UDF

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Can someone help me please, I have this function and it returns hours between 8h00 and 16h00 during the week

The help I need is, I need to return minutes instead of hours and it must not return any minutes in the following holiday table since we are not working
Holiday
2004-08-09 00:00:00.000
2004-09-24 00:00:00.000
2004-12-16 00:00:00.000
2004-12-26 00:00:00.000
2004-12-25 00:00:00.000
2005-01-01 00:00:00.000


CREATE FUNCTION dbo.fn_CalculateHours
(@DateFrom datetime, @DateTo datetime)
RETURNS int
AS
BEGIN
DECLARE @hFrom int, @hTo int
SET @DateFrom = (CASE DATEPART(weekday,@DateFrom)
WHEN 1 THEN CONVERT(varchar(10),DATEADD(day,1,@DateFrom),120) + ' 08:00:00'
WHEN 7 THEN CONVERT(varchar(10),DATEADD(day,2,@DateFrom),120) + ' 08:00:00'
ELSE @DateFrom
END)
SET @DateTo = (CASE DATEPART(weekday,@DateFrom)
WHEN 1 THEN CONVERT(varchar(10),DATEADD(day,-2,@DateTo),120) + ' 16:00:00'
WHEN 7 THEN CONVERT(varchar(10),DATEADD(day,-1,@DateTo),120) + ' 16:00:00'
ELSE @DateTo
END)
SELECT @hFrom = DATEPART(hour,@DateFrom)
SELECT @hTo = DATEPART(hour,@DateTo)
RETURN ((DATEDIFF(day,@DateFrom,@DateTo) - (DATEDIFF(week,@DateFrom,@DateTo) * 2) - 1) * 8) +
(CASE WHEN @hFrom < 8 THEN 8
WHEN @hFrom > 16 THEN 0
ELSE 16 - @hFrom
END) +
(CASE WHEN @hTo < 8 THEN 0
WHEN @hTo > 16 THEN 8
ELSE @hTo - 8
END)
END

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User Defined Function Help?

I create the following UDF just for learning purposes and I cannot seem to get it to return a value.

Stored Procedure

REATE PROCEDURE usp_GetXSection

@fWidth float,
@fHeight float,
@fResult float OUTPUT

AS
BEGIN
set @fResult = [dbo].[XSECTION](@fWidth, @fHeight)
END
GO


Ane the following UDF


CREATE FUNCTION XSECTION
(@Width float, @Height float)
RETURNS float
AS
BEGIN
RETURN (@Width * @Height)
END


I call it using ADO in a c++ application, but all returns empty

Any ideas? C++ code to follow.

Mike B


void CFormTemplateSetup::OnCalculate()
{
_CommandPtr pCmd(__uuidof(Command));
_ParameterPtr pWidth(__uuidof(Parameter));
_ParameterPtr pHeight(__uuidof(Parameter));
_ParameterPtr pResult(__uuidof(Parameter));

try
{
pCmd->ActiveConnection = GetDocument()->GetConnection();
pCmd->CommandText = _T("usp_GetXSection");
pCmd->CommandType = adCmdStoredProc;

_variant_t vWidth, vHeight;
vWidth.vt = VT_R4;
vHeight.vt = VT_R4;

vWidth.fltVal = 10;
vHeight.fltVal = 10;

pWidth = pCmd->CreateParameter(_T("@fWidth"), adInteger, adParamInput, sizeof(int), vWidth);
pHeight = pCmd->CreateParameter(_T("@fHeight"), adInteger, adParamInput, sizeof(int), vHeight);
pResult = pCmd->CreateParameter(_T("@fResult"), adDouble, adParamOutput, sizeof(float), vtMissing);

pCmd->Parameters->Append(pWidth);
pCmd->Parameters->Append(pHeight);
pCmd->Parameters->Append(pResult);

_variant_t vResult = pResult->Value;

float fArea = pResult->Value.fltVal;
CString csArea;
csArea.Format("Area = %d", fArea);

::AfxMessageBox(csArea);
}
catch(_com_error& e)
{
::AfxMessageBox(e.Description());
}
}

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I only just been given this job as SQL server 7 "administrator". One of the many problems I am facing is trying to find out a way to write user defined functions - one of the millions of things you can do easily with Oracle. I have heard the rumours that SQL 7 does NOT come with "User Defined Functions" as a features. Please tell me this is not true.

And if it is true, please can anyone tell me a way to get around this?

Many thanks in advance

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Dear friends,

I am a new user for SQL server. Coming from an oracle background, I find it very difficult to live without user defined functions. At the moment, I urgently need to have a function returning an custom-made ID string, so that it can be used in one of my stored procedures. I have heard the rumours that SQL server 7 does NOT support user defined functions, (which SQL 6.5 does). I would be really grateful if anyone can clarify this for me, and if possible, suggest a get-around approach.

Thanks in advance!

Kai

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How can I create a user defined function in SQL and call it inline from a SQL statement? I need the ability to execute a statement such as:

select myFunc(x,y) from table

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Hi,

Please answer to the following questions:
Q1. Is there any way to get text data type from a user defined function ?

Q2. How can result of a select query with "FOR XML RAW" clause be converted into a single string?

-----------
Background of the above 2 questions:

I want to execute a simple select query which besides selecting different columns also calls a user defined function which should execute a select query and return back the result as XML string to the calling select query.

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Hi,
Iam working on one user defined function which will take week & year as argument and returns sunday date of that particular week in that year. for example if i give (15,2007) as argument it shud give 2007-04-08 as result. Plz anybody help this on this issue.

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