ABAP Field Symbols are very powerful. Usage of Field-Symbols would provide performance gain, but for that you must use it correctly otherwise you may run into issues.
Singleton Design Pattern is most heavily used in OO based developments. Lets see an usage of Singleton Design pattern.
When you write a reusable code to DB related activities, you should consider checking if the call is made in Update Task or without as they are generally happen in ABAP Update Task. If it is with Update Task, you MUST not do COMMIT or ROLLBACK WORK as it would end in short dump. FM…
Builder is another Design Patterns in Object Oriented, to hide complex object building from the client. Lets check out it design and its implemented in OO ABAP.
ABAP Field Symbols are very powerful. Usage of Field-Symbols would provide performance gain, but for that you must use it correctly otherwise you may run into issues.
FM SYSTEM_CALLSTACK comes in handy when it is needed to check on the called program which is calling the current code block. This FM can be called in any code module – Methods, FMs, Subroutines, etc.
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