1 files changed, 9 insertions, 0 deletions
diff --git a/lib/ur/basis.urs b/lib/ur/basis.urs
index 8388e107..aad04b5f 100644
--- a/lib/ur/basis.urs
+++ b/lib/ur/basis.urs
@@ -795,4 +795,13 @@ type task_kind
 val initialize : task_kind
 
 
+(** Information flow security *)
+
+type sql_policy
+
+val query_policy : tables ::: {{Type}} -> exps ::: {Type}
+                   -> [tables ~ exps] => sql_query [] tables exps
+                   -> sql_policy
+
+
 val debug : string -> transaction unit