ABAP internal table new syntax

reduce ..for.. :Used to determine whether there is data in field f that is not equal to A and not equal to M

点击查看代码

DATA(lv_exists) = REDUCE abap_bool(
  INIT result = abap_false
  FOR ls_row IN is_input-s_head
  WHERE ( zgglx <> 'A' AND zgglx <> 'M' )
  NEXT result = abap_true ).

Assign the data with field b equal to f in inner table A to inner table A1

VALUE FOR?
reduce for

点击查看代码

  lt_heada = REDUCE #( INIT resulta = VALUE #( )
                      FOR line IN  is_input-s_head
                      WHERE (  zgglx = 'A' )
                      NEXT resulta = VALUE #( BASE resulta ( line ) ) ).