1 files changed, 19 insertions, 5 deletions
diff --git a/demo/more/orm.ur b/demo/more/orm.ur
index 9abc0234..16b82c84 100644
--- a/demo/more/orm.ur
+++ b/demo/more/orm.ur
@@ -19,11 +19,25 @@ functor Table(M : sig
     sequence s
     table t : ([Id = id] ++ M.cols)
 
+    type row = $([Id = id] ++ M.cols)
+
+    fun ensql [avail] (r : $M.cols) : $(map (sql_exp avail [] []) M.cols) =
+        map2 [meta] [Top.id] [sql_exp avail [] []]
+             (fn [t] meta v => @sql_inject meta.Inj v)
+             [_] M.folder M.cols r
+
     fun create (r : $M.cols) =
         id <- nextval s;
-        dml (insert t ({Id = sql_inject id}
-                           ++ map2 [meta] [Top.id] [sql_exp [] [] []]
-                           (fn [t ::: Type] (meta : meta t) (v : t) => @sql_inject meta.Inj v)
-                           [_] M.folder M.cols r));
-        return id
+        dml (insert t ({Id = sql_inject id} ++ ensql r));
+        return ({Id = id} ++ r)
+
+    fun delete r = dml (DELETE FROM t WHERE t.Id = {[r.Id]})
+
+    fun save r = dml (update [M.cols] ! (ensql (r -- #Id)) t (WHERE T.Id = {[r.Id]}))
+
+    fun lookup id =
+        ro <- oneOrNoRows (SELECT * FROM t WHERE t.Id = {[id]});
+        return (Option.mp (fn r => r.T) ro)
+
+    val list = query (SELECT * FROM t) (fn r ls => return (r.T :: ls)) []
 end