Anwendung von Dynamischen Where Bedingungen bei Selekts

PARAMETERS: city1(10) TYPE c, city2(10) TYPE c.

DATA wa TYPE spfli-cityfrom.

CONCATENATE 'CITYFROM = ''' city1 '''' INTO cond.
APPEND cond TO itab.
CONCATENATE 'OR CITYFROM = ''' city2 '''' INTO cond.
APPEND cond TO itab.
CONCATENATE 'OR CITYFROM = ''' 'BERLIN' '''' INTO cond.
APPEND cond TO itab.

LOOP AT itab INTO cond.
WRITE cond.
ENDLOOP.

SKIP.

SELECT  cityfrom
INTO  wa
FROM  spfli
WHERE (itab).

WRITE / wa.

ENDSELECT.