Add support for persistent classes without default ctors

New test: common/ctor.

2 files changed, 22 insertions, 18 deletions

diff --git a/odb/result.hxx b/odb/result.hxx
index 9f7dcb0..ff9f057 100644
--- a/odb/result.hxx
+++ b/odb/result.hxx
@@ -41,21 +41,7 @@ namespace odb
     typedef typename traits::pointer_traits pointer_traits;
 
     pointer_type
-    current (bool release)
-    {
-      if (pointer_traits::null_ptr (current_) && !end_)
-        current ();
-
-      pointer_type r (current_);
-
-      if (release)
-      {
-        current_ = pointer_type ();
-        guard_.release ();
-      }
-
-      return r;
-    }
+    current (bool release);
 
     bool
     end () const
@@ -65,9 +51,6 @@ namespace odb
 
   protected:
     virtual void
-    current () = 0;
-
-    virtual void
     current (T&) = 0;
 
     virtual void
diff --git a/odb/result.txx b/odb/result.txx
index 4b77c7e..e58af1f 100644
--- a/odb/result.txx
+++ b/odb/result.txx
@@ -10,4 +10,25 @@ namespace odb
   ~result_impl ()
   {
   }
+
+  template <typename T>
+  typename result_impl<T>::pointer_type result_impl<T>::
+  current (bool release)
+  {
+    if (pointer_traits::null_ptr (current_) && !end_)
+    {
+      current (traits::create ());
+      current (pointer_traits::get_ref (current_));
+    }
+
+    pointer_type r (current_);
+
+    if (release)
+    {
+      current_ = pointer_type ();
+      guard_.release ();
+    }
+
+    return r;
+  }
 }