Mercurial > urweb
annotate tests/query.ur @ 804:10fe57e4a8c2
Add extra XML preamble nonsense
author | Adam Chlipala <adamc@hcoop.net> |
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date | Sat, 16 May 2009 13:10:52 -0400 |
parents | 5f9b9972e6b8 |
children |
rev | line source |
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adamc@253 | 1 table t1 : {A : int, B : string, C : float, D : bool} |
adamc@243 | 2 table t2 : {A : float, D : int} |
adamc@243 | 3 |
adamc@243 | 4 datatype list a = Nil | Cons of a * list a |
adamc@243 | 5 |
adamc@254 | 6 val q1 = (SELECT * FROM t1) |
adamc@253 | 7 |
adamc@253 | 8 val r1 : transaction (list {A : int, B : string, C : float, D : bool}) = |
adamc@748 | 9 query q1 |
adamc@748 | 10 (fn fs acc => return (Cons (fs.T1, acc))) |
adamc@748 | 11 Nil |
adamc@243 | 12 |
adamc@249 | 13 val r2 : transaction string = |
adamc@748 | 14 ls <- r1; |
adamc@748 | 15 return (case ls of |
adamc@748 | 16 Nil => "Problem" |
adamc@748 | 17 | Cons ({B = b, ...}, _) => b) |
adamc@249 | 18 |
adamc@748 | 19 fun main () : transaction page = |
adamc@748 | 20 s <- r2; |
adamc@748 | 21 return <xml><body> |
adamc@748 | 22 {cdata s} |
adamc@748 | 23 </body></xml> |