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table t1 : {A : int, B : string, C : float}
table t2 : {A : float, D : int}
val q1 = (SELECT COUNT( * ) AS X FROM t1)
val q2 = (SELECT AVG(t1.A) AS X FROM t1)
val q3 = (SELECT SUM(t1.C) AS X FROM t1)
val q4 = (SELECT MIN(t1.B) AS X, MAX(t1.A) AS Y FROM t1)
(*val q5 = (SELECT t1.A FROM t1 GROUP BY t1.B)*)
val q5 = (SELECT SUM(t1.A) AS X FROM t1 GROUP BY t1.B)
datatype list a = Nil | Cons of a * list a
val r1 : transaction (list string) =
query q4
(fn fs acc => return (Cons (fs.X, acc)))
Nil
val main : unit -> transaction page = fn () =>
n <- r1;
return <html><body>Nothing to see here!</body></html>
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