Beispiel für Performance optimierten Code
Wichtige Felder selektieren ( Select * vermeiden ). DATA ls_corona TYPE corona. SELECT person_id first_name FROM corona INTO ls_corona. WRITE: / ls_corona-person_id, ls_corona-first_name. ENDSELECT. Statt IF-Anweisung WHERE Clause nutzen. SELECT person_id first_name FROM corona INTO ls_corona WHERE person_id = 100. WRITE: / ls_corona-person_id, ls_corona-first_name. ENDSELECT. Geschachtelter SELECTs vermeiden. Beispiel für schlechten Code. SELECT …