sequence s
table t : { Id : int, S1 : string, S2:string, S3:string, S4:string }
fun each (n : int, (f : unit -> transaction unit)) = if n > 0 then f (); each ((n-1),f) else return ()
fun fill () =
dml (DELETE FROM t WHERE 1=1);
each (1,( fn () =>
(nv <- nextval s;
(dml (INSERT INTO t (Id, S1, S2, S3, S4) VALUES ({[nv]}, {["S1"]}, {["S2"]}, {["S3"]}, {["S4"]}))))
));
return done
fun main () = return