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-rw-r--r--odb/lazy-ptr.txx35
1 files changed, 35 insertions, 0 deletions
diff --git a/odb/lazy-ptr.txx b/odb/lazy-ptr.txx
index 2265fec..fdc304b 100644
--- a/odb/lazy-ptr.txx
+++ b/odb/lazy-ptr.txx
@@ -42,6 +42,41 @@ namespace odb
#ifdef ODB_CXX11
//
+ // lazy_unique_ptr
+ //
+
+ template <class T, class D>
+ template <class T1, class D1>
+ bool lazy_unique_ptr<T, D>::
+ equal (const lazy_unique_ptr<T1, D1>& r) const
+ {
+ bool t1 (!p_ == loaded ());
+ bool t2 (!r.p_ == r.loaded ());
+
+ // If both are transient, then compare the underlying pointers.
+ //
+ if (t1 && t2)
+ return p_ == r.p_;
+
+ // If one is transient and the other is persistent, then compare
+ // the underlying pointers but only if they are non NULL. Note
+ // that an unloaded persistent object is always unequal to a
+ // transient object.
+ //
+ if (t1 || t2)
+ return p_ == r.p_ && p_;
+
+ // If both objects are persistent, then we compare databases and
+ // object ids.
+ //
+ typedef typename object_traits<T>::object_type object_type1;
+ typedef typename object_traits<T1>::object_type object_type2;
+
+ return i_.database () == r.i_.database () &&
+ object_id<object_type1> () == r.object_id<object_type2> ();
+ }
+
+ //
// lazy_shared_ptr
//