I have to enhance datasource, the problem is that there is no key combination in my tables. Moreover the field that add in datasource is amount (which is total of 17 periods, which i ahve to add up before passing on this amount to my custom field in datasource). Can anyone guide me how to extract this data and add the amount. How does the select statement looks like. your answers are appreciated.
If you are enhancing the data source and updating the custom field of the data source then in the user exit you have to write your own ABAP code. The data is avaiable in an internal table c_t_data. Now you can define another interim internal table to add up the data absed on 17 periods. or you can define a variable to add up amount for 17 periods. Finally update the internal table c_t_data.
Once the data is avaiable in an internal table then you can do any kind of manipulation as per your requirement. I hope you can definitely do it. let me know if you still have nay problem. we can work it out.
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