From 5398b886ed0da065fe084da0f107bebba0a163ba Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Fri, 14 Aug 2015 11:27:36 +0200
Subject: Reimplement lazy_weak_ptr lock() to preserve database type

Now we initialize the returned lazy_shared_ptr with the same loader
function as the one set for weak_ptr.
---
 odb/qt/smart-ptr/lazy-ptr.hxx |  7 +++++++
 odb/qt/smart-ptr/lazy-ptr.ixx |  7 +++++++
 odb/qt/smart-ptr/lazy-ptr.txx | 23 -----------------------
 3 files changed, 14 insertions(+), 23 deletions(-)

diff --git a/odb/qt/smart-ptr/lazy-ptr.hxx b/odb/qt/smart-ptr/lazy-ptr.hxx
index e964837..664eb7f 100644
--- a/odb/qt/smart-ptr/lazy-ptr.hxx
+++ b/odb/qt/smart-ptr/lazy-ptr.hxx
@@ -196,6 +196,13 @@ private:
   template <class X> friend class QLazySharedPointer;
   template <class X> friend class QLazyWeakPointer;
 
+  // For QLazyWeakPointer::toStrongRef().
+  //
+  QLazySharedPointer (const QSharedPointer<T>& p,
+                      const odb::lazy_ptr_impl<T>& i)
+      : p_ (p), i_ (i) {}
+
+private:
   mutable QSharedPointer<T> p_;
   mutable odb::lazy_ptr_impl<T> i_;
 };
diff --git a/odb/qt/smart-ptr/lazy-ptr.ixx b/odb/qt/smart-ptr/lazy-ptr.ixx
index d2b462f..181044c 100644
--- a/odb/qt/smart-ptr/lazy-ptr.ixx
+++ b/odb/qt/smart-ptr/lazy-ptr.ixx
@@ -196,6 +196,13 @@ loaded () const
 }
 
 template <class T>
+inline QLazySharedPointer<T> QLazyWeakPointer<T>::
+toStrongRef () const
+{
+  return QLazySharedPointer<T> (p_.toStrongRef (), i_);
+}
+
+template <class T>
 inline QSharedPointer<T> QLazySharedPointer<T>::
 load () const
 {
diff --git a/odb/qt/smart-ptr/lazy-ptr.txx b/odb/qt/smart-ptr/lazy-ptr.txx
index 9e8be80..2497811 100644
--- a/odb/qt/smart-ptr/lazy-ptr.txx
+++ b/odb/qt/smart-ptr/lazy-ptr.txx
@@ -73,26 +73,3 @@ equal (const QLazySharedPointer<X>& r) const
 
   return r.equal (sp);
 }
-
-template <class T>
-QLazySharedPointer<T> QLazyWeakPointer<T>::
-toStrongRef () const
-{
-  QSharedPointer<T> sp (p_.toStrongRef ());
-
-  if (sp)
-  {
-    if (database_type* db = i_.database ())
-      return QLazySharedPointer<T> (*db, sp);
-    else
-      return QLazySharedPointer<T> (sp);
-  }
-  else
-  {
-    if (i_)
-      return QLazySharedPointer<T> (
-        *i_.database (), i_.template object_id<T> ());
-    else
-      return QLazySharedPointer<T> ();
-  }
-}
-- 
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