Mercurial > urweb
annotate tests/agg.ur @ 847:0f7e2cca6d9b
<dyn> inside <table>; fix Specialize bug with datatype decls generating other mutually-recursive datatype decls
| author | Adam Chlipala <adamc@hcoop.net> |
|---|---|
| date | Sat, 13 Jun 2009 14:29:36 -0400 |
| parents | 7a7efbb3e354 |
| children | ad9829c3c12c |
| rev | line source |
|---|---|
| adamc@235 | 1 table t1 : {A : int, B : string, C : float} |
| adamc@235 | 2 table t2 : {A : float, D : int} |
| adamc@235 | 3 |
| adamc@236 | 4 val q1 = (SELECT COUNT( * ) AS X FROM t1) |
| adamc@236 | 5 val q2 = (SELECT AVG(t1.A) AS X FROM t1) |
| adamc@236 | 6 val q3 = (SELECT SUM(t1.C) AS X FROM t1) |
| adamc@236 | 7 val q4 = (SELECT MIN(t1.B) AS X, MAX(t1.A) AS Y FROM t1) |
| adamc@237 | 8 |
| adamc@237 | 9 (*val q5 = (SELECT t1.A FROM t1 GROUP BY t1.B)*) |
| adamc@237 | 10 val q5 = (SELECT SUM(t1.A) AS X FROM t1 GROUP BY t1.B) |
| adamc@265 | 11 |
| adamc@265 | 12 |
| adamc@265 | 13 datatype list a = Nil | Cons of a * list a |
| adamc@265 | 14 |
| adamc@266 | 15 val r1 : transaction (list string) = |
| adamc@266 | 16 query q4 |
| adamc@265 | 17 (fn fs acc => return (Cons (fs.X, acc))) |
| adamc@265 | 18 Nil |
| adamc@265 | 19 |
| adamc@265 | 20 val main : unit -> transaction page = fn () => |
| adamc@265 | 21 n <- r1; |
| adamc@265 | 22 return <html><body>Nothing to see here!</body></html> |