diff options
| author |  Adam Chlipala <adamc@hcoop.net> | 2010-03-16 15:54:35 -0400 |
|---|---|---|
| committer | Adam Chlipala <adamc@hcoop.net> | 2010-03-16 15:54:35 -0400 |
| commit | a33b1fdbf6ff02d806ac5c563f9274abc57b6a43 (patch) | |
| tree | 9d33fe703a729a1a6e1317fea053f4a3a646cf52 /tests/agg.ur | |
| parent | 2bdffddbb847cbd620b8be911a1c1cb229187fc2 (diff) | |
COUNT(col)
Diffstat (limited to 'tests/agg.ur')
| -rw-r--r-- | tests/agg.ur | 19 |
1 files changed, 5 insertions, 14 deletions
diff --git a/tests/agg.ur b/tests/agg.ur index 7e091060..55e22c28 100644 --- a/tests/agg.ur +++ b/tests/agg.ur @@ -1,22 +1,13 @@ table t1 : {A : int, B : string, C : float} -table t2 : {A : float, D : int} +table t2 : {A : float, D : int, E : option string} val q1 = (SELECT COUNT( * ) AS X FROM t1) val q2 = (SELECT AVG(t1.A) AS X FROM t1) val q3 = (SELECT SUM(t1.C) AS X FROM t1) val q4 = (SELECT MIN(t1.B) AS X, MAX(t1.A) AS Y FROM t1) - -(*val q5 = (SELECT t1.A FROM t1 GROUP BY t1.B)*) val q5 = (SELECT SUM(t1.A) AS X FROM t1 GROUP BY t1.B) +val q6 = (SELECT COUNT(t2.E) AS N FROM t2 GROUP BY t2.D) - -datatype list a = Nil | Cons of a * list a - -val r1 : transaction (list string) = - query q4 - (fn fs acc => return (Cons (fs.X, acc))) - Nil - -val main : unit -> transaction page = fn () => - n <- r1; - return <html><body>Nothing to see here!</body></html> +fun main () : transaction page = + xml <- queryX q6 (fn r => <xml>{[r.N]};</xml>); + return <xml><body>{xml}</body></xml> |