ABAP GROUP

group_by.abap

LOOP AT demo INTO DATA(address)
GROUP BY ( city = address-city count = GROUP SIZE )
INTO DATA(city_group).
* APPEND value #( city = city-city count = city-count ) TO result.
APPEND city_group TO result.
ENDLOOP.

result = VALUE #( FOR GROUPS city_group OF address IN demo
GROUP BY ( city = address-city
count = GROUP SIZE )
( city_group ) ).


 lt_banfn = VALUE #( FOR GROUPS banfn OF <line> IN mt_headers 
                      GROUP BY <line>-key2 WITHOUT MEMBERS 
                      ( CONV #( banfn ) ) ).

lt_vbeln_va = VALUE #( FOR GROUPS x OF <line> IN mt_headers GROUP BY <line>-key1 WITHOUT MEMBERS ( CONV #( x ) ) ).