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table t1 : {A : int, B : string, C : float}
fun lookup (inp : {B : string}) =
s <- query (SELECT t1.B FROM t1 WHERE t1.B = {inp.B})
(fn fs _ => return fs.T1.B)
"Couldn't find it!";
return <html><body>
Result: {cdata s}
</body></html>
fun main () : transaction page = return <html><body>
<lform>
B: <textbox{#B}/>
<submit action={lookup}/>
</lform>
</body></html>
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