clear CREATE CURSOR test (f1 I NULL) TRY INSERT INTO test VALUES (NULL) INDEX ON F1 FOR F1>0 TAG T1 CANDIDATE SET ORDER TO 0 CATCH ? MESSAGE() ENDTRY BROWSEWay #2, this doesn't work:
clear CREATE CURSOR test (f1 I NULL) TRY INDEX ON F1 FOR F1>0 TAG T1 CANDIDATE INSERT INTO test VALUES (NULL) SET ORDER TO 0 CATCH ? MESSAGE() ENDTRY BROWSE