table t1 : {A : int, B : string, C : float}
fun lookup (inp : {B : string}) =
s <- query (SELECT * FROM t1 WHERE t1.B = {inp.B})
(fn fs _ => return fs.T1)
{A = 0, B = "Couldn't find it!", C = 0.0};
return
A: {cdata (show _ s.A)}
B: {cdata (show _ s.B)}
C: {cdata (show _ s.C)}
fun main () : transaction page = return
B: