diff options
Diffstat (limited to 'lib/ur/basis.urs')
| -rw-r--r-- | lib/ur/basis.urs | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/lib/ur/basis.urs b/lib/ur/basis.urs index 8388e107..19983cd2 100644 --- a/lib/ur/basis.urs +++ b/lib/ur/basis.urs @@ -498,6 +498,7 @@ val sql_ufunc : tables ::: {{Type}} -> agg ::: {{Type}} -> exps ::: {Type} -> sql_ufunc dom ran -> sql_exp tables agg exps dom -> sql_exp tables agg exps ran val sql_octet_length : sql_ufunc blob int +val sql_known : t ::: Type -> sql_ufunc t bool val sql_nullable : tables ::: {{Type}} -> agg ::: {{Type}} -> exps ::: {Type} -> t ::: Type @@ -795,4 +796,30 @@ type task_kind val initialize : task_kind +(** Information flow security *) + +type sql_policy + +val sendClient : tables ::: {{Type}} -> exps ::: {Type} + -> [tables ~ exps] => sql_query [] tables exps + -> sql_policy + +val sendOwnIds : sql_sequence -> sql_policy + +val mayInsert : fs ::: {Type} -> tables ::: {{Type}} -> [[New] ~ tables] + => sql_query [] ([New = fs] ++ tables) [] + -> sql_policy + +val mayDelete : fs ::: {Type} -> tables ::: {{Type}} -> [[Old] ~ tables] + => sql_query [] ([Old = fs] ++ tables) [] + -> sql_policy + +val mayUpdate : fs ::: {Type} -> tables ::: {{Type}} -> [[Old, New] ~ tables] + => sql_query [] ([Old = fs, New = fs] ++ tables) [] + -> sql_policy + +val also : sql_policy -> sql_policy -> sql_policy + val debug : string -> transaction unit + +val rand : transaction int |