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Status Not under consideration
Workspace IBM i
Categories Languages - RPG
Created by Guest
Created on Apr 25, 2023

RELATED IDEAS

Multiple Occurrence Data Structure can not be used as an operand with the IN operator

Using a Multiple Occurrence Data Structure (MOD) with IN and %list() results in a compiler error.

*RNF0203 30 1 Refer to the compiler listing where this message was first

*RNF0203 30 001100 OPERAND MOD OF 'IN' CANNOT BE A DATA STRUCTURE.

But in the documentation it is specified that any operand type can be used.


Example:

D MOD DS 10 occurs(100)

%occur( MOD ) = 1;

MOD = 'X01';

if MOD in %list( 'X01' : 'Y01');

dsply MOD;

endif;

return;

Idea priority Medium
  • Guest
    Reply
    |     May 31, 2023
    IBM does not intend to provide a solution to this Idea at this time, so it is being closed.

    While a data structure is sometimes considered to be a character field in RPG, a data structure cannot compared using the IN operator.

    The same compiler error is given for an ordinary data structure; the restriction is not limited to Multiple Occurrence Data Structures.

    If you add a subfield to the data structure, you can use that subfield for the IN operator:

    D MOD DS 10 occurs(100)
    D SUBF 10
    %occur( MOD ) = 1;
    MOD = 'X01';
    if SUBF in %list( 'X01' : 'Y01');
    dsply MOD;
    endif;
    return;

    - IBM Power Systems Development

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