Mercurial > urweb
diff tests/pquery.ur @ 280:fdd7a698be01
Compiling a parametrized query the inefficient way
author | Adam Chlipala <adamc@hcoop.net> |
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date | Tue, 02 Sep 2008 17:31:45 -0400 |
parents | |
children | 1afa94582275 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/tests/pquery.ur Tue Sep 02 17:31:45 2008 -0400 @@ -0,0 +1,16 @@ +table t1 : {A : int, B : string, C : float} + +fun lookup (inp : {B : string}) = + s <- query (SELECT t1.B FROM t1 WHERE t1.B = {inp.B}) + (fn fs _ => return fs.T1.B) + "Couldn't find it!"; + return <html><body> + Result: {cdata s} + </body></html> + +fun main () : transaction page = return <html><body> + <lform> + B: <textbox{#B}/> + <submit action={lookup}/> + </lform> +</body></html>