From 6375147d5ae76a84dd64f1996cb0d9d501839db6 Mon Sep 17 00:00:00 2001
From: Michael Shepanski <michael@codesynthesis.com>
Date: Tue, 4 Nov 2014 16:10:03 +1100
Subject: Implement {query,execute}_{one,value}() shortcut functions

Useful in situations where the query is know to return at most one element
(*_one) or exactly one element (*_value).
---
 odb/prepared-query.hxx | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)

(limited to 'odb/prepared-query.hxx')

diff --git a/odb/prepared-query.hxx b/odb/prepared-query.hxx
index b321564..5fc4783 100644
--- a/odb/prepared-query.hxx
+++ b/odb/prepared-query.hxx
@@ -86,6 +86,29 @@ namespace odb
       return r;
     }
 
+    typename object_traits<T>::pointer_type
+    execute_one ()
+    {
+      return execute (false).one ();
+    }
+
+    bool
+    execute_one (T& object)
+    {
+      return execute (false).one (object);
+    }
+
+    T
+    execute_value ()
+    {
+      // Compiler error pointing here? The object must be default-
+      // constructible in order to use the return-by-value API.
+      //
+      T o;
+      execute (false).value (o);
+      return o;
+    }
+
     const char*
     name () const
     {
-- 
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