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table t1 : {A : int, B : string, C : float}
table t2 : {A : float, D : int, E : option string}
val q1 : sql_query [] [] _ _ = (SELECT COUNT( * ) FROM t1)
val q2 : sql_query [] [] _ _ = (SELECT AVG(t1.A) FROM t1)
val q3 : sql_query [] [] _ _ = (SELECT SUM(t1.C) FROM t1)
val q4 : sql_query [] [] _ _ = (SELECT MIN(t1.B), MAX(t1.A) FROM t1)
val q5 : sql_query [] [] _ _ = (SELECT SUM(t1.A) FROM t1 GROUP BY t1.B)
val q6 = (SELECT COUNT(t2.E) FROM t2 GROUP BY t2.D)
task initialize = fn () =>
dml (INSERT INTO t1 (A, B, C) VALUES (1, 'a', 1.0));
dml (INSERT INTO t1 (A, B, C) VALUES (2, 'b', 2.0));
dml (INSERT INTO t1 (A, B, C) VALUES (50, 'c', 99.0));
dml (INSERT INTO t2 (A, D, E) VALUES (1.0, 1, NULL));
dml (INSERT INTO t2 (A, D, E) VALUES (1.0, 2, {[Some "a"]}));
dml (INSERT INTO t2 (A, D, E) VALUES (1.0, 3, NULL));
dml (INSERT INTO t2 (A, D, E) VALUES (1.0, 3, {[Some "b"]}));
dml (INSERT INTO t2 (A, D, E) VALUES (1.0, 3, {[Some "c"]}))
fun main () : transaction page =
xml <- queryX q6 (fn r => <xml>{[r.1]};</xml>);
xml2 <- queryX q4 (fn r => <xml>{[r.1]}, {[r.2]};</xml>);
return <xml><body>{xml}<br/>{xml2}</body></xml>
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