Re: Keyed Array Data Structure %LOOKUPLT

[Raul Alberto Jager Weiler <raul.jager@xxxxxxxxx>]

LOOKUPLT and LOOKUPGT require that the array is defined as "ascending" or
"descending" I do not know how to code such an attribute in free.

On Fri, Apr 30, 2021 at 7:28 AM Dave <dfx1@xxxxxxxxxxxxxx> wrote:

> Hi,
>
> I have this lookup problem. Can't believe it.
> IBM reference says : A "Keyed Array Data Structure" is an array data
> structure with one subfield
> identified as the search or sort key.
>
> I don't see how to identify one subfield as the search or sort key or where
> this is explained.
>
> This compiles :
> $I = %LOOKUP ( myDate : myArray(*).DATE )
>
> This doesn't
>  $I = %LOOKUPLT ( myDate : myArray(*).DATE )
>
> My Array DS :
>
> D myArray            DS                  DIM(10) QUALIFIED
> D  CODE                               LIKE(refcode)
> D  DATE                               LIKE(refdate)
>
> Thanks
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