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authorGravatar Adam Chlipala <adamc@hcoop.net>2009-10-06 10:34:27 -0400
committerGravatar Adam Chlipala <adamc@hcoop.net>2009-10-06 10:34:27 -0400
commit140bf664ca2e8e0f38650226d025eab952d93b9e (patch)
tree8a386900871e1e5f5b8e0bc71360b35155987e1d /demo/more
parent80d6d2caaf8994d49c7a411f22993a4bb8eef973 (diff)
Initial Orm1 demo
Diffstat (limited to 'demo/more')
-rw-r--r--demo/more/orm.ur5
-rw-r--r--demo/more/orm.urs2
-rw-r--r--demo/more/orm1.ur38
-rw-r--r--demo/more/orm1.urp6
-rw-r--r--demo/more/orm1.urs1
5 files changed, 51 insertions, 1 deletions
diff --git a/demo/more/orm.ur b/demo/more/orm.ur
index a0fd82a3..24ccac67 100644
--- a/demo/more/orm.ur
+++ b/demo/more/orm.ur
@@ -1,11 +1,14 @@
con link = fn col_parent :: (Type * Type) => col_parent.1 -> transaction (option col_parent.2)
-fun noParent [t ::: Type] _ = return None
+fun noParent [t ::: Type] (_ : t) = return None
con meta = fn col_parent :: (Type * Type) => {
Link : link col_parent,
Inj : sql_injectable col_parent.1
}
+fun local [t :: Type] (inj : sql_injectable t) = {Link = noParent,
+ Inj = inj}
+
functor Table(M : sig
con cols :: {(Type * Type)}
val cols : $(map meta cols)
diff --git a/demo/more/orm.urs b/demo/more/orm.urs
index 429d2380..b173d203 100644
--- a/demo/more/orm.urs
+++ b/demo/more/orm.urs
@@ -6,6 +6,8 @@ con meta = fn col_parent :: (Type * Type) => {
Inj : sql_injectable col_parent.1
}
+val local : t :: Type -> sql_injectable t -> meta (t, unit)
+
functor Table(M : sig
con cols :: {(Type * Type)}
val cols : $(map meta cols)
diff --git a/demo/more/orm1.ur b/demo/more/orm1.ur
new file mode 100644
index 00000000..bdf6ef8c
--- /dev/null
+++ b/demo/more/orm1.ur
@@ -0,0 +1,38 @@
+open Orm
+
+structure T = Table(struct
+ val cols = {A = local [int] _,
+ B = local [string] _}
+ end)
+
+structure S = Table(struct
+ val cols = {C = T.id,
+ D = local [float] _}
+ end)
+
+fun action () =
+ r <- T.create {A = 3, B = "Hi"};
+ T.save (r -- #B ++ {B = "Bye"});
+
+ s <- S.create {C = r.Id, D = 45.67};
+
+ ls <- T.list;
+ ls' <- T.search (T.eq T.cols.B.Col "Hi");
+
+ lsS <- S.list;
+ lsS <- List.mapM (fn r => p <- S.cols.C.Parent r; return (r, p)) lsS;
+
+ return <xml><body>
+ {List.mapX (fn r => <xml><li> {[r.A]}: {[r.B]}</li></xml>) ls}
+ <br/>
+ {List.mapX (fn r => <xml><li> {[r.A]}: {[r.B]}</li></xml>) ls'}
+ <br/>
+ {List.mapX (fn (s, ro) => <xml><li> {[s.D]}: {case ro of
+ None => <xml>No parent</xml>
+ | Some r => <xml>{[r.B]}</xml>}
+ </li></xml>) lsS}
+ </body></xml>
+
+fun main () = return <xml><body>
+ <form><submit action={action}/></form>
+</body></xml>
diff --git a/demo/more/orm1.urp b/demo/more/orm1.urp
new file mode 100644
index 00000000..96d1a6e7
--- /dev/null
+++ b/demo/more/orm1.urp
@@ -0,0 +1,6 @@
+library orm
+database dbname=orm1
+sql orm1.sql
+
+$/list
+orm1
diff --git a/demo/more/orm1.urs b/demo/more/orm1.urs
new file mode 100644
index 00000000..6ac44e0b
--- /dev/null
+++ b/demo/more/orm1.urs
@@ -0,0 +1 @@
+val main : unit -> transaction page