Variables in sap bi

Variable Exit in Sap BI 7.0 - How to
Start

Applies to:
This article is applicable to SAP BI 7.0. For more information, visit the Business Intelligence homepage.

Summary
This document provides an introduction for the creation and management of variables type customer exit in
BW queries.

Author: Ricardo de Azeredo Rosa
Company: SAP Labs Brazil
Created on: 24 May 2009

Author Bio
Ricardo is a Support Consultant in SAP Labs Brazil since 2007. He has worked extensively on
SAP R/3 and BW as a PM Certified and BW Consultant since 2002. His knowledge includes PM,
CS, DMS, PP, PS modules and BW systems. Since 2004 he has focused his knowledge in
Business Intelligence (BW, SEM and Planning) working in various critical projects in this area.

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© 2009 SAP AG 1

Variable Exit in Sap BI 7.0 - How to Start

Table of Contents
Variable Exit – Starting .......................................................................................................................................3
Project Management of SAP Enhancements .................................................................................................3
BEX Query Designer and Variable Type Customer Exit.................................................................................4
Customer Exit and ABAP Code ......................................................................................................................5
Testing and Debugging ...................................................................................................................................6
Additional Information .....................................................................................................................................8
Related Contents ................................................................................................................................................9
Copyright...........................................................................................................................................................10

© 2009 SAP AG 2


Variable Exit – Starting
SAP provides a variable of type customer exit for BW queries which customer is able to manage its values
depends on their business requirements. It is necessary some background in ABAP to start in this area, the
proposal of this document is to help on those tasks. It is structured in the following sequence:
• Project management of SAP Enhancements
• Query BEX Query Designer and Variable Type Customer Exit
• Customer Exit and ABAP Code
• Test and Debug
• Additional Information

Project Management of SAP Enhancements
In order to start it is necessary to activate a new project for a SAP enhancement. So as to execute that you
need to call the transaction CMOD, inform a name for your project and press the button ‘create’. A second
screen requesting a short description will be showed, just enter the required information and ‘save’:
1 2

It is necessary to inform the enhancement for your new project. In the list, select that one responsible for
handle the variables in the BI/BW queries: ‘RSR00001 – BI: Enhancements for Global Variables in
Reporting’
Choosing ‘components’, it is possible to verify that function module EXIT_SAPLRRS0_001 is already
assigned for the new project, selecting that one (by double clicking), system jumps to the function module
definition which has basically an instruction like ‘INCLUDE ZXRSRU01.’. Actually the report ZXRSRU01 is
reserved for store the customer code which will manage the variable values in the BW query.
Now it is necessary to create the report ZXRSRU01 in transaction SE38. But before this procedure we need
a variable which will be handled in that report. In the next item the steps to create a simple query and a user
exit variable type will be explained.

© 2009 SAP AG 3


BEX Query Designer and Variable Type Customer Exit
1. In the query designer 7.1, create a new query following the standard procedure. Select the characteristic
which you want to filter and create a new variable:

2. Select the technical name and the description for your new variable in the appropriated area:

3. Set the type ‘Customer exit’ in the field ‘Processing by’:

4. Select your characteristic and restrict that one by the variable created in the previous item as a filter for
your query (use the drag and drop):

© 2009 SAP AG 4


5. Create a simple query in the ‘Rows/Columns’ area that we can use as example:

6. Save your query and now we are able to create the customer exit in the program ZXRSRU01.

Customer Exit and ABAP Code
Now the program ZXRSRU01 can be created, you can use the transaction SE38 for that.
The most important information here is that the ‘customer exit program’ will receive the variable name of the
BW query in the ABAP variable ‘i_vnam’, which is defined as an import parameter in the function module
EXIT_SAPLRRS0_001 and the BW query’s variable value is handled in the table E_T_RANGE.
So: it is necessary to create a program that check the variable name in order to confirm if we are handling
the correct one and manage its current values in the table E_T_RANGE.
It is an example of the code:
*&---------------------------------------------------------------------*
*& Include ZXRSRU01
*&---------------------------------------------------------------------*
DATA: l_s_range TYPE rrrangesid.
CASE i_vnam.
WHEN 'Z_RARTST'.
l_s_range-low = '12345'.
l_s_range-sign = 'I'.
l_s_range-opt = 'EQ'.
APPEND l_s_range TO e_t_range.
ENDCASE.

You can create a similar program for a test proposes. Just be careful with the name of the variable, it should
be the same you have informed in the restriction of your query in the previous item (in this example
‘Z_RARTST’ – of course the technical name.).
Active and save your new program before leave.
Before to execute the test, you need to go in the transaction CMOD once more and activate the customer
exit otherwise the system will not execute your code.

© 2009 SAP AG 5


Your Customer Exit is ready to be tested. Transaction RSRT is a good option for that:

Testing and Debugging

Note: This is not the idea of this document to discuss about ABAP debug; maybe some knowledge in this area is
required

First, set a break point in your code, for instance, as per example below:

Call transaction RSRT and execute your query:

© 2009 SAP AG 6


The program will stop in the statement BREAK-POINT:

It is possible to verify the values assigned in the runtime for the variables (I_VNAM, for instance):

After the statement ‘APPEND’ (some F5’s in the debugger tool), this is the value for E_T_RANGE:

Verify that the E_T_RANGE-LOW value has already the desired value ‘12345’.
And this is the result for in the variable screen (if you press F8 to continue the execution of the program and
leave the debugger):

The Variable was populated with required value, exactly as expected.

© 2009 SAP AG 7


Additional Information
Of course this is just a simple example for starting with this feature. Some additional knowledge is required
for deeper developments in this area.
In the debug mode you are able to explore some other parameters like I_STEP and I_S_RKB1D for
instance. Checking I_S_RKB1D, just as an example, you have access to the query attribute, it means that
beyond the variable name it is possible to check some other information in order to set the variable value,
like query and infoprovider name and so on. Checking the I_STEP, as another example, it will help you to set
the time that exit is triggered, as following:
I_STEP = 1
Call directly before the variable is entered
I_STEP = 2
Call directly after the variable is entered. This step is
activated only if the same variable could not be filled for
I_STEP = 1 and it is not ready for input.
I_STEP = 3
In this call, you can check the values of the variables.
Activating an exception (RAISE) causes the variable screen to
appear again. I_STEP = 2 is also then executed once more.
I_STEP = 0
The enhancement is not called from the variable screen. The
call can come from the authorization check or from the
monitor.

© 2009 SAP AG 8


Related Contents
http://help.sap.com/saphelp_nw70/helpdata/EN/f1/0a56f5e09411d2acb90000e829fbfe/frameset.htm
note 492504 - Dependent customer exit-type variables
http://help.sap.com/saphelp_nw70/helpdata/EN/f1/0a56f5e09411d2acb90000e829fbfe/frameset.htm
For more information, visit the Business Intelligence homepage.

© 2009 SAP AG 9


Copyright
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© 2009 SAP AG 10

Variables in sap bi

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