Query should fail 1 Query should fail 2 2000-01-01 2 b 4 2000-01-01 5 e 7 2000-02-01 2 b 4 2000-02-01 5 e 7 0000000000 DELETE WHERE x = 1 [] [] 0 1 0000000001 DELETE WHERE (x % 2) = 1 ['200001','200002'] [2,1] 0 1 0000000002 DELETE WHERE s = \'d\' ['200001','200002'] [3,2] 0 1 0000000003 DELETE WHERE m = 3 ['200001','200002'] [4,3] 0 1 *** Test mutations cleaner *** 0000000001 DELETE WHERE x = 2 1 0000000002 DELETE WHERE x = 3 1 0000000003 DELETE WHERE x = 4 0