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|
table t : {A : int, B : string, C : float}
val q1 = (SELECT * FROM t LIMIT 42)
val q2 = fn n => (SELECT * FROM t LIMIT {n})
val q3 = (SELECT * FROM t OFFSET 3)
val q4 = fn n => fn m => (SELECT * FROM t LIMIT {n} OFFSET {m})
datatype list a = Nil | Cons of a * list a
val r1 : transaction (list {A : int, B : string, C : float}) =
query (q4 3 7)
(fn fs acc => return (Cons (fs.T, acc)))
Nil
val r2 : transaction string =
ls <- r1;
return (case ls of
Nil => "Problem"
| Cons ({B = b, ...}, _) => b)
val main : unit -> transaction page = fn () =>
s <- r2;
return <html><body>
{cdata s}
</body></html>
|
