[ABAP] MOVE-CORRESPONDING vs. CORRESPONDING #( )

26 Sep 2022 - Less than 1 minute read

🌝 MOVE-CORRESPONDING

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필드명과 데이터타입이 같은 것만 찾아 값 Assign, 다르면 그대로 유지

ex)

DATA : BEGIN OF STR1,
    COL1 TYPE C VALUE 'A',
    COL2 TYPE C VALUE 'B',
    END OF STR1.

DATA : BEGIN OF STR2,
    COL1 TYPE C VALUE 'C',
    COL3 TYPE C VALUE 'D',
    END OF STR2.

MOVE-CORRESPONDING STR1 TO STR2.

WRITE : STR1-COL1, STR1-COL2.
WRITE : / STR2-COL2, STR2-COL3.

* 결과
A B
B D

🌝 CORRESPONDING #( )

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필드명이 같으면 Mapping 해 값 할당, 다르면 초기화

ex)

DATA : BEGIN OF STR1,
    COL1 TYPE C VALUE 'A',
    COL2 TYPE C VALUE 'B',
    END OF STR1.

DATA : BEGIN OF STR2,
    COL1 TYPE C VALUE 'C',
    COL3 TYPE C VALUE 'D',
    END OF STR2.

STR2 = CORRESPONDING #( STR1 ). 

WRITE : STR1-COL1, STR1-COL2.
WRITE : / STR2-COL2, STR2-COL3.

* 결과
A B
B