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sequence s
table t : { Id : int, Nam : option string, Data : blob, Desc : string, Typ : string }
fun see id =
r <- oneRow (SELECT t.Data, t.Typ FROM t WHERE t.Id = {[id]});
returnBlob r.T.Data (blessMime r.T.Typ)
fun save r =
id <- nextval s;
dml (INSERT INTO t (Id, Nam, Data, Desc, Typ)
VALUES ({[id]}, {[fileName r.Data]}, {[fileData r.Data]}, {[r.Desc]}, {[fileMimeType r.Data]}));
main ()
and main () =
ls <- queryX (SELECT t.Id, t.Desc, octet_length(t.Data) AS Len FROM t ORDER BY t.Desc)
(fn r => <xml><li><a link={see r.T.Id}>{[r.T.Desc]} ({[r.Len]})</a></li></xml>);
return <xml><body>
{ls}
<br/>
<form>
<textbox{#Desc}/>
<upload{#Data}/>
<submit action={save}/>
</form>
</body></xml>
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