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Lossless Assignment

This example demonstrates the addition EXACT of the statement MOVE.

Other versions: 7.31 | 7.40 | 7.54

Source Code

    DATA: text     TYPE string VALUE `4 Apples + 3 Oranges`,
          num_text TYPE n LENGTH 8,
          exc      TYPE REF TO cx_sy_conversion_error.
    MOVE text TO num_text.
    MESSAGE num_text TYPE 'I'.
    TRY.
        MOVE EXACT text TO num_text.
      CATCH cx_sy_conversion_error INTO exc.
        MESSAGE exc TYPE 'I' DISPLAY LIKE 'E'.
    ENDTRY.

Description

Without the addition EXACT, the string is assigned to n without the validity of the assigned value being checked with respect to the conversion rules. This produces a value that it is not very intuitive, "00000043".

With the EXACT addition, the value that is passed is checked and an exception is raised in the case in question.