Probier's mal so:
Code:SELECT Feld1, Feld2 .... FROM LIB/FILE WHERE CASE WHEN :IKDGR <> 0 THEN :IKDGR ELSE KDGR END = KDGR AND CASE WHEN :IVERBAND <> 0 THEN :IVERBAND ELSE VERBAND END = VERBAND AND CASE WHEN :IKDNR <> 0 THEN :IKDNR ELSE KDNR END = KDNR AND ....
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