Field Removal from Record Definition

[abaruchi]

Hi Guys,

Is it possible to remove one (or more) fields from a record definition that uses another record definition?

Code: Select all

lMyLayout01 := RECORD
  STRING field01;
  STRING field02;
  STRING fieldToRemove;
END;


/*****
* Remove 'fieldToRemove' from lMyLayout01 here, so we would have, field01, field02 and field03.
*****/
lMyLayout02 := RECORD
  lMyLayout01;
  STRING field03
END;


If Im not wrong, I saw something like this during the ECL course, but I wasn't able to find.

Thanks in advance,

Att.
Artur Baruchi

[rtaylor]

Artur,

Is it possible to remove one (or more) fields from a record definition that uses another record definition?

Yes. In the RECORD structure docs look at the section titled "Field Inheritance" and you'll see the exception list format, like this:

Code: Select all

lMyLayout01 := RECORD
  STRING field01;
  STRING field02;
  STRING fieldToRemove;
END;


/*****
* Remove 'fieldToRemove' from lMyLayout01 here, so we would have, field01, field02 and field03.
*****/
lMyLayout02 := RECORD
  lMyLayout01 AND NOT fieldToRemove;
  STRING field03
END;

HTH,

Richard