PARAMETERS : P_TNAME(30) DEFAULT 'SFLIGHT'.
DATA: DREF TYPE REF TO DATA.
FIELD-SYMBOLS: <FS1> TYPE ANY , <FS2> TYPE ANY.
CREATE DATA DREF TYPE (P_TNAME).
ASSIGN DREF->* TO <FS1>.
*ASSIGN P_TNAME TO <FS1>.
SELECT * FROM (P_TNAME) INTO <FS1> UP TO 3 ROWS.
DO.
ASSIGN COMPONENT SY-INDEX OF STRUCTURE <FS1> TO <FS2>.
IF SY-SUBRC NE 0.
SKIP.
EXIT.
ENDIF.
WRITE: <FS2>.
ENDDO.
ENDSELECT.