RAP - Accessing Change Information Using WITH CHANGES

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Hello Everyone! 👋

𝗔𝗰𝗰𝗲𝘀𝘀𝗶𝗻𝗴 𝗖𝗵𝗮𝗻𝗴𝗲 𝗜𝗻𝗳𝗼𝗿𝗺𝗮𝘁𝗶𝗼𝗻 𝗨𝘀𝗶𝗻𝗴 𝗪𝗜𝗧𝗛 𝗖𝗛𝗔𝗡𝗚𝗘𝗦

Using 𝗥𝗘𝗔𝗗 ... 𝗪𝗜𝗧𝗛 𝗖𝗛𝗔𝗡𝗚𝗘𝗦 in ABAP EML lets you access accumulated change information for RAP BO instances within a RAP transaction.

It can be used only for managed RAP BOs, inside implementation classes, and must be combined with IN LOCAL MODE. It is not supported for unmanaged BOs, read-by-association, or RAP functions.

The read result includes the %chg component, which indicates whether an instance was created, updated, deleted, or unchanged. The %control structure shows which fields changed.

This is especially useful in determinations or validations involving multiple fields, where you want to know:

  • Which operation triggered the logic (create or update)
  • Which specific fields were changed
"Variant 1
    READ ENTITIES OF ZRootEntity IN LOCAL MODE
    ENTITY RootEntity WITH CHANGES
    ALL FIELDS WITH CORRESPONDING #( keys )
    RESULT DATA(lt_result1).

"Variant 2
    READ ENTITY IN LOCAL MODE ZRootEntity
    WITH CHANGES
    ALL FIELDS WITH CORRESPONDING #( keys )
    RESULT DATA(lt_result2).

𝗘𝘅𝗮𝗺𝗽𝗹𝗲

If carrname is changed in the UI from “Air India” to “Air India Updated”, the control indicator is set to 01, indicating the field change

with_changes_result

Note: This feature is currently released only in SAP S/4HANA Public Cloud and SAP BTP ABAP Environment.

For more information checkout the documentation - ABAP EML for RAP – Accessing Change Information

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