[ABAP] OpenSQL: Felder im SELECT mit konstanten Werten füllen

* Variante 1 (Konstante)
CONSTANTS: co_empty TYPE char7 VALUE '<empty>'.
* Konstante über Alias maktx in das korrespondierende Feld MAKTX einfügen
SELECT matnr, @co_empty AS maktx FROM mara INTO TABLE @DATA(it_mara) UP TO 10 ROWS.

cl_demo_output=>display( it_mara ).

* Variante 2 (Variable)
DATA: lv_empty TYPE char7 VALUE '<empty>'.
* Konstante über Alias maktx in das korrespondierende Feld MAKTX einfügen
SELECT matnr, @lv_empty AS maktx FROM mara INTO TABLE @DATA(it_mara) UP TO 10 ROWS.

cl_demo_output=>display( it_mara ).