From ab13bbf764595fe6c01fcb5fe61bdf464d77f7fe Mon Sep 17 00:00:00 2001
From: Adam Chlipala <adamc@hcoop.net>
Date: Tue, 15 Dec 2009 11:11:49 -0500
Subject: Allow same constructor shorthand for 'view' sig items as for 'table'

---
 lib/ur/top.ur  | 15 ++++++++++++++-
 lib/ur/top.urs | 15 ++++++++++++---
 2 files changed, 26 insertions(+), 4 deletions(-)

(limited to 'lib')

diff --git a/lib/ur/top.ur b/lib/ur/top.ur
index 78a799b1..9a27f6b2 100644
--- a/lib/ur/top.ur
+++ b/lib/ur/top.ur
@@ -224,6 +224,13 @@ fun queryX [tables ::: {{Type}}] [exps ::: {Type}] [ctx ::: {Unit}] [inp ::: {Ty
           (fn fs acc => return <xml>{acc}{f fs}</xml>)
           <xml/>
 
+fun queryX1 [nm ::: Name] [fs ::: {Type}] [ctx ::: {Unit}] [inp ::: {Type}]
+            (q : sql_query [nm = fs] [])
+            (f : $fs -> xml ctx inp []) =
+    query q
+          (fn fs acc => return <xml>{acc}{f fs.nm}</xml>)
+          <xml/>
+
 fun queryX' [tables ::: {{Type}}] [exps ::: {Type}] [ctx ::: {Unit}] [inp ::: {Type}]
             [tables ~ exps] (q : sql_query tables exps)
             (f : $(exps ++ map (fn fields :: {Type} => $fields) tables)
@@ -253,7 +260,7 @@ fun oneOrNoRows1 [nm ::: Name] [fs ::: {Type}] (q : sql_query [nm = fs] []) =
           (fn fs _ => return (Some fs.nm))
           None
 
-fun oneOrNoRowsE1 [tab ::: Name] [nm ::: Name] [t ::: Type] [[tab] ~ [nm]] (q : sql_query [tab = []] [nm = t]) =
+fun oneOrNoRowsE1 [tabs ::: {Unit}] [nm ::: Name] [t ::: Type] [tabs ~ [nm]] (q : sql_query (mapU [] tabs) [nm = t]) =
     query q
           (fn fs _ => return (Some fs.nm))
           None
@@ -265,6 +272,12 @@ fun oneRow [tables ::: {{Type}}] [exps ::: {Type}]
                 None => error <xml>Query returned no rows</xml>
               | Some r => r)
 
+fun oneRow1 [nm ::: Name] [fs ::: {Type}] (q : sql_query [nm = fs] []) =
+    o <- oneOrNoRows q;
+    return (case o of
+                None => error <xml>Query returned no rows</xml>
+              | Some r => r.nm)
+
 fun oneRowE1 [tabs ::: {Unit}] [nm ::: Name] [t ::: Type] [tabs ~ [nm]] (q : sql_query (mapU [] tabs) [nm = t]) =
     o <- oneOrNoRows q;
     return (case o of
diff --git a/lib/ur/top.urs b/lib/ur/top.urs
index 57bc2b1e..92fb9edd 100644
--- a/lib/ur/top.urs
+++ b/lib/ur/top.urs
@@ -132,6 +132,11 @@ val queryX : tables ::: {{Type}} -> exps ::: {Type} -> ctx ::: {Unit} -> inp :::
                  -> xml ctx inp [])
              -> transaction (xml ctx inp [])
 
+val queryX1 : nm ::: Name -> fs ::: {Type} -> ctx ::: {Unit} -> inp ::: {Type}
+              -> sql_query [nm = fs] []
+              -> ($fs -> xml ctx inp [])
+              -> transaction (xml ctx inp [])
+
 val queryX' : tables ::: {{Type}} -> exps ::: {Type} -> ctx ::: {Unit} -> inp ::: {Type}
               -> [tables ~ exps] =>
               sql_query tables exps
@@ -156,9 +161,9 @@ val oneOrNoRows1 : nm ::: Name -> fs ::: {Type}
                    -> sql_query [nm = fs] []
                    -> transaction (option $fs)
 
-val oneOrNoRowsE1 : tab ::: Name -> nm ::: Name -> t ::: Type
-                    -> [[tab] ~ [nm]] =>
-    sql_query [tab = []] [nm = t]
+val oneOrNoRowsE1 : tabs ::: {Unit} -> nm ::: Name -> t ::: Type
+                    -> [tabs ~ [nm]] =>
+    sql_query (mapU [] tabs) [nm = t]
     -> transaction (option t)
 
 val oneRow : tables ::: {{Type}} -> exps ::: {Type}
@@ -168,6 +173,10 @@ val oneRow : tables ::: {{Type}} -> exps ::: {Type}
                     $(exps
                           ++ map (fn fields :: {Type} => $fields) tables)
 
+val oneRow1 : nm ::: Name -> fs ::: {Type}
+    -> sql_query [nm = fs] []
+    -> transaction $fs
+
 val oneRowE1 : tabs ::: {Unit} -> nm ::: Name -> t ::: Type
                -> [tabs ~ [nm]] =>
     sql_query (mapU [] tabs) [nm = t]
-- 
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