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diff lib/ur/basis.urs @ 1221:00e628854005

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Delete policies
author Adam Chlipala <adamc@hcoop.net>
date Sun, 11 Apr 2010 12:38:21 -0400
parents 526575a9537a
children 62af4cacd191
line wrap: on
line diff
--- a/lib/ur/basis.urs	Sun Apr 11 10:57:52 2010 -0400
+++ b/lib/ur/basis.urs	Sun Apr 11 12:38:21 2010 -0400
@@ -808,5 +808,9 @@
                 => sql_query [] ([New = fs] ++ tables) []
                 -> sql_policy
 
+val mayDelete : fs ::: {Type} -> tables ::: {{Type}} -> [[Old] ~ tables]
+                => sql_query [] ([Old = fs] ++ tables) []
+                -> sql_policy
+
 
 val debug : string -> transaction unit