Interested to Buy Any Domain ? << Click Here >> for more details...
what is function group? Difference between function group
and FM?
- 8 Answers
- 34409 Views
- IBM, I also Faced
- E-Mail Answers
Answer Posted / srinivas kari
Function groups are containers for function modules. You cannot execute a function group. When you call a function module, the system loads the whole of its function group into the internal session of the calling program (if it has not already been loaded). For further information, refer to Organization of External Procedure Calls.
The following diagram shows the structure of a function group: The name of a function group, fgrpcan be up to 26 characters long. This is used by the system to create the components of the group (main program and corresponding include programs). When you create a function group or function module in the Function Builder , the main program and include programs are generated automatically.
This graphic is explained in the accompanying text
The main program SAPLfgrp contains nothing but the INCLUDE statements for the following include programs:
· LfgrpTOP. This contains the FUNCTION-POOL statement (equivalent for a function group of the REPORT or PROGRAMstatement) and global data declarations for the entire function group.
· LfgrpUXX. This contains further INCLUDEstatements for the include programs LfgrpU01, LfgrpU02,... These includes contain the actual function modules.
· The include programs LfgrpF01, LfgrpF02,... can contain the coding of subroutines that can be called with internal subroutine calls from all function modules of the group.
The creation of these INCLUDE programs is supported from the ABAP Workbench by forward navigation (for example creation of a subroutine include by double clicking on the name of a subroutine in a PERFORM statement within a function module).
You cannot declare a COMMON PART in a function group. Function groups have their own table work areas (TABLES). Function groups encapsulate data. In this respect, they are a precursor of ABAP Objects (see From Function Groups to Objects ).
All of the function modules in a function group can access the global data of the group. For this reason, you should place all function modules that use the same data in a single function group. For example, if you have a set of function modules that all use the same internal table, you could place them in a function group containing the table definition in its global data.
Function groups, like executable programs and module pools, can contain screens (selection screens and lists) as components. User input is processed either in dialog modules or in the corresponding event blocks in the main program of the function group. There are special include programs in which you can write this code. In this way, you can use function groups to encapsulate single screens or screen sequences.
| Is This Answer Correct ? | 3 Yes | 0 No |
Post New Answer View All Answers
wat are the process that can be executed & tracked in a workflow?
What do you mean by pooled tables in sap abap? Also explain what do you mean by table pool? : abap data dictionary
What are the difference between call screen and leave screen?
How did you test the form you developed? How did you taken print?
What is ole?
What is cts and what do you know about it? : abap hr
What actually happens in real-time recruitment? : sap abap hr
Explain open dataset in sap abap?
1)can any body tell the transport request number concept and 2)there are 3 screens in one screen u have uploaded the resume and second screen also u have done the same thing but when u are uploading the resume in third screen u got some error in somewhere else but whatever u have uploaded the resume in 1 and 2 should not
Can we write the code both call transaction and session method in single program?
When a function module is activated syntax checking is performed automatically. State yes or no. : abap modularization
What is the difference between a pool table and a transparent table and how they are stored at the database level?
Does the call transaction method allow multiple transactions to be processed by sap? : abap bdc
What is the use of f4if_shlp_exit_example function module ? : sap abap data dictionary
What does a lock object involve?
