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table t : { Id : int, Blob : blob, MimeType : string }
sequence s
fun getImage id : transaction page =
r <- oneRow1 (SELECT t.Blob, t.MimeType
FROM t
WHERE t.Id = {[id]});
returnBlob r.Blob (blessMime r.MimeType)
fun handle (r : {File:file, Param:string}) =
id <- nextval s;
dml (INSERT INTO t (Id, Blob, MimeType)
VALUES ({[id]}, {[fileData r.File]}, {[fileMimeType r.File]}));
debug ("Text is " ^ r.Param);
main ()
and main () : transaction page =
x <- queryX1 (SELECT t.Id FROM t)
(fn r => <xml><img src={url (getImage r.Id)}/>
</xml>);
return <xml><body>
<form>
<upload{#File}/>
<textbox{#Param} value="text"/>
<submit action={handle}/>
</form>
<hr/>
{x}
</body></xml>
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