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 => {[r.1]};); xml2 <- queryX q4 (fn r => {[r.1]}, {[r.2]};); return {xml}
{xml2}