adamc@226: table t1 : {A : int, B : string, C : float} adamc@226: table t2 : {A : float, D : int} adamc@226: adamc@226: val q1 = (SELECT * FROM t1 GROUP BY t1.B) adamc@226: val q2 = (SELECT * FROM t1, t2 GROUP BY t1.B, t2.D, t1.A) adamc@227: adamc@227: val q3 = (SELECT * FROM t1 WHERE t1.A = 0 GROUP BY t1.B) adamc@227: val q4 = (SELECT * FROM t1 WHERE t1.A = 0 GROUP BY t1.C HAVING t1.C < 0.2) adamc@227: adamc@227: val q5 = (SELECT t1.A, t2.D FROM t1, t2 GROUP BY t2.D, t1.A) adamc@228: val q6 = (SELECT t1.A, t2.D FROM t1, t2 WHERE t1.C = 0.0 GROUP BY t2.D, t1.A HAVING t1.A = t1.A AND t2.D = 17) adamc@255: adamc@255: adamc@255: datatype list a = Nil | Cons of a * list a adamc@255: adamc@255: val r1 : transaction (list {B : string}) = adamc@255: query q1 adamc@255: (fn fs acc => return (Cons (fs.T1, acc))) adamc@255: Nil adamc@255: adamc@255: val r2 : transaction string = adamc@255: ls <- r1; adamc@255: return (case ls of adamc@255: Nil => "Problem" adamc@255: | Cons ({B = b, ...}, _) => b) adamc@255: adamc@255: val main : unit -> transaction page = fn () => adamc@255: s <- r2; adamc@255: return adamc@255: {cdata s} adamc@255: