Question

Parameter for an SQL View

Asked by: printmedia

Hi all.

I created a VIEW in SQL Enterprise Manager and was wondering if I could have it accept a parameter for one of the fields(CustomerNumber), I will use this VIEW in an Access report.

How can I do this?

Thanks in advance.

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Asked On
2007-04-18 at 14:40:08ID22519995
Tags

sql

,

view

,

parameter

Topics

Databases Miscellaneous

,

SQL Query Syntax

,

MS SQL Server

Participating Experts
4
Points
500
Comments
17

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Answers

 

by: acperkinsPosted on 2007-04-18 at 14:44:14ID: 18935415

Not in the MS Access way.  But there is nothing stopping you from doing:

Select Col1, Col2, Col3, ...
From vw_YourViewName
Where CustomerNumber = 'xyz'

 

by: cpctechPosted on 2007-04-18 at 15:31:53ID: 18935675

convert your view into a stored procedure

create procedure usp_get_employee
(
@employee_id int
)
select * from tbl_employee where employee_id = @employee_id
go
grant execute on usp_get_employee to public
go

Then create a passthrough query in Access that calls the stored proc.

currentdb.querydefs("usp_get_employee").sql="execute usp_get_employee " & emp_id
docmd.openreport .....

 

by: adriankohwsPosted on 2007-04-19 at 03:23:53ID: 18937818

Echo cpctech.

You don't use view with parameters. Views are built with certain relationships to sort and compiling data together for faster reporting purpose. If you couldn't find a relationship, you should create a temporary table or view, populate it using Stored Procedure, print your report and drop the temp view or table.

 

by: printmediaPosted on 2007-04-19 at 04:42:02ID: 18938115

So there is nothing I can do to the view I have to accept a parameter?

I guess I'll have to add that view to an Access query and place the parameter there?

 

by: adriankohwsPosted on 2007-04-19 at 05:12:37ID: 18938256

You meant to create another Query in Access? I thought you wish to retrieve data from MSSQL view?

cpctech's method is the best. Retain the view in your MSSQL.
Create the stored procedure in MSSQL.
Access it through Access to build an instant query and print it to your report, this already solves your problem isn't it?

 

by: printmediaPosted on 2007-04-19 at 06:28:56ID: 18938796

Ok, this is my stored procedure:

CREATE PROC  mystoredprocedure_customer_activity (@Expr1 varchar)
AS SET NOCOUNT ON
SELECT     TOP 100 PERCENT SUM(dbo.Sales_Detail.Total_Sale_Amt) AS SumTotal_Sale_Amt, MIN(dbo.Sales_Detail.Invoice_Date) AS MinInvoiceDate,
                      MAX(dbo.Sales_Detail.Invoice_Date) AS MaxInvoiceDate, dbo.[Sales Rep Bonus].[Sales Representative], dbo.[Sales Rep Bonus].[Customer Type],
                      dbo.[MAS Customer Info Query 6].Expr1, dbo.[MAS Customer Info Query 6].CustomerName
FROM         dbo.[Sales Rep Bonus] RIGHT OUTER JOIN
                      dbo.[MAS Customer Info Query 6] ON dbo.[Sales Rep Bonus].Customer_No = dbo.[MAS Customer Info Query 6].Expr1 LEFT OUTER JOIN
                      dbo.Sales_Header INNER JOIN
                      dbo.Sales_Detail ON dbo.Sales_Header.Control_No = dbo.Sales_Detail.Header_Control_No INNER JOIN
                      dbo.GPO_Cross_Reference ON dbo.Sales_Header.Dist_Ship_To_ID = dbo.GPO_Cross_Reference.Distributor_Facility_ID ON
                      dbo.[MAS Customer Info Query 6].Expr1 = dbo.GPO_Cross_Reference.PM_Facility_ID
GROUP BY dbo.[Sales Rep Bonus].[Sales Representative], dbo.[Sales Rep Bonus].[Customer Type], dbo.[MAS Customer Info Query 6].Expr1,
                      dbo.[MAS Customer Info Query 6].CustomerName
HAVING      (dbo.[Sales Rep Bonus].[Customer Type] = N'Acute') AND (dbo.[MAS Customer Info Query 6].Expr1 = @Expr1)
ORDER BY dbo.[MAS Customer Info Query 6].Expr1
GO

-----------------------------------------------------------------------------------------------------------------------------
Now, in my passthrough query in Access I put the following? I've never done this before.

currentdb.querydefs("mystoredprocedure_customer_activity ").sql="execute mystoredprocedure_customer_activity " & @Expr1
docmd.openreport

 

by: adriankohwsPosted on 2007-04-19 at 06:47:36ID: 18938931

change the @Expr1 to the value you wish to pass to the stored procedure

 

by: printmediaPosted on 2007-04-19 at 06:53:01ID: 18938982

Note:

dbo.[MAS Customer Info Query 6] is a VIEW, while the others are tables.

 

by: printmediaPosted on 2007-04-19 at 06:53:56ID: 18938989

adriankohws, that's the thing, I want the user to enter the value, they enter whichever customer
number (Expr1) they wish to run the report on.

 

by: adriankohwsPosted on 2007-04-19 at 07:12:09ID: 18939134

OK. Understood your stand point now. I didn't know because usually my interface will be something like allow end-user to specify the parameter in a textbox or whatever, then I just make use of the value to pass to the parameter when print button is clicked.

 

by: printmediaPosted on 2007-04-19 at 09:49:41ID: 18940474

This is what I have so far:

STORED PROCEDURE:

CREATE PROC  mystoredprocedure_customer_activity (@Expr1 varchar)
AS SET NOCOUNT ON
SELECT     TOP 100 PERCENT SUM(dbo.Sales_Detail.Total_Sale_Amt) AS SumTotal_Sale_Amt, MIN(dbo.Sales_Detail.Invoice_Date) AS MinInvoiceDate,
                      MAX(dbo.Sales_Detail.Invoice_Date) AS MaxInvoiceDate, dbo.[Sales Rep Bonus].[Sales Representative], dbo.[Sales Rep Bonus].[Customer Type],
                      dbo.[MAS Customer Info Query 6].Expr1, dbo.[MAS Customer Info Query 6].CustomerName
FROM         dbo.[Sales Rep Bonus] RIGHT OUTER JOIN
                      dbo.[MAS Customer Info Query 6] ON dbo.[Sales Rep Bonus].Customer_No = dbo.[MAS Customer Info Query 6].Expr1 LEFT OUTER JOIN
                      dbo.Sales_Header INNER JOIN
                      dbo.Sales_Detail ON dbo.Sales_Header.Control_No = dbo.Sales_Detail.Header_Control_No INNER JOIN
                      dbo.GPO_Cross_Reference ON dbo.Sales_Header.Dist_Ship_To_ID = dbo.GPO_Cross_Reference.Distributor_Facility_ID ON
                      dbo.[MAS Customer Info Query 6].Expr1 = dbo.GPO_Cross_Reference.PM_Facility_ID
GROUP BY dbo.[Sales Rep Bonus].[Sales Representative], dbo.[Sales Rep Bonus].[Customer Type], dbo.[MAS Customer Info Query 6].Expr1,
                      dbo.[MAS Customer Info Query 6].CustomerName
HAVING      (dbo.[Sales Rep Bonus].[Customer Type] = N'Acute') AND (dbo.[MAS Customer Info Query 6].Expr1 = @Expr1)
ORDER BY dbo.[MAS Customer Info Query 6].Expr1
GO

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

SQL PASS THROUGH QUERY in Access:

DECLARE @Expr1 varchar

EXEC mystoredprocedure_customer_activity @Expr1

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

Access REPORT has the following On Open Event Procedure:

Option Compare Database
Option Explicit

Private Sub Report_Open(Cancel As Integer)


    Dim Expr1 As String
    Dim strSQLForSP As String
   
   
    Expr1 = InputBox("Customer Number")
 
    Dim dbs As Database
     Set dbs = CurrentDb

    CurrentDb.QueryDefs("Customer Activity Inquiry by Facility Pass Through").sql = "mystoredprocedure_customer_activity('" & Expr1 & "')"
   
End Sub

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

But I'm stuck in the last code (On Open Event Procedure) it's not displaying the report.

Any ideas?

 

by: acperkinsPosted on 2007-04-19 at 11:06:31ID: 18941090

I would recommend you try my solution using your View.  The alternative will be resorting to using ADO with your stored procedure and adding a lot more code that you may ahve difficulty following.

 

by: acperkinsPosted on 2007-04-19 at 11:11:11ID: 18941124

I see you are trying to use a column name as a parameter.  This is not a good idea as you will have to resort to Dynamic SQL.

 

by: printmediaPosted on 2007-04-19 at 11:14:58ID: 18941165

AcPerkins, if I include: Where CustomerNumber = 'xyz' in my View for the customer number column, how will it know to run the view for the customer number the user decides to use?

 

by: acperkinsPosted on 2007-04-19 at 12:22:13ID: 18941652

I am sorry I looked at your query again, and quite frankly it does not make any sense.  You have:
RIGHT JOIN dbo.[MAS Customer Info Query 6] ON dbo.[Sales Rep Bonus].Customer_No = dbo.[MAS Customer Info Query 6].Expr1
and this:
HAVING      dbo.[Sales Rep Bonus].[Customer Type] = N'Acute'

What is the point of having a Right Join against dbo.[Sales Rep Bonus] if you are going to include that in a HAVING (which should not even be a HAVING in the first place but a WHERE clause instead.

So here is what your view should look like in my opinion:

Create View vw_YourView

As

SELECT      SUM(d.Total_Sale_Amt) AS SumTotal_Sale_Amt,
      MIN(d.Invoice_Date) AS MinInvoiceDate,
      MAX(d.Invoice_Date) AS MaxInvoiceDate,
      s.[Sales Representative],
      s.[Customer Type],
      m.Expr1,
      m.CustomerName
FROM      dbo.[Sales Rep Bonus] s
      INNER JOIN dbo.[MAS Customer Info Query 6] m ON s.Customer_No = m.Expr1
      INNER JOIN dbo.GPO_Cross_Reference g ON m.Expr1 = g.PM_Facility_ID
      LEFT OUTER JOIN dbo.Sales_Header h On g.Distributor_Facility_ID = h.Dist_Ship_To_ID
      INNER JOIN dbo.Sales_Detail d ON h.Control_No = d.Header_Control_No
WHERE      s.[Customer Type] = N'Acute'
GROUP BY
      s.[Sales Representative],
      s.[Customer Type],
      m.Expr1,
      m.CustomerName


You would then query it as follows:

Select      SumTotal_Sale_Amt,
      MinInvoiceDate,
      MaxInvoiceDate,
      [Sales Representative],
      [Customer Type],
      Expr1,
      CustomerName
From      vw_YourView
Where      Expr1 = 'Your input goes here'

 

by: printmediaPosted on 2007-04-19 at 13:59:07ID: 18942339

I figured it out, I had to create a form that I called in the report in the On Open event.

Thanks!

 

by: chokkaPosted on 2010-06-22 at 09:26:13ID: 33047334

SQL 2005/2008

Is it possible for us to use a View with Parameters.

For some reasons, i am moving  from Stored Procedure to VIEWS.

20120131-EE-VQP-002

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