From 33c8b712edde86572443a0200169262240d2d974 Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Thu, 26 Apr 2012 16:45:23 +0200
Subject: Add database::reset()

---
 odb/transaction.cxx | 35 ++++++++++++++++-------------------
 1 file changed, 16 insertions(+), 19 deletions(-)

(limited to 'odb/transaction.cxx')

diff --git a/odb/transaction.cxx b/odb/transaction.cxx
index 9099b57..6f92c41 100644
--- a/odb/transaction.cxx
+++ b/odb/transaction.cxx
@@ -18,35 +18,32 @@ namespace odb
   static ODB_TLS_POINTER (transaction) current_transaction;
 
   transaction::
-  transaction (transaction_impl* impl, bool make_current)
-      : finalized_ (false), impl_ (impl)
+  ~transaction ()
+  {
+    if (!finalized_)
+      try {rollback ();} catch (...) {}
+  }
+
+  void transaction::
+  reset (transaction_impl* impl, bool make_current)
   {
+    details::unique_ptr<transaction_impl> i (impl);
+
+    if (!finalized_)
+      rollback ();
+
+    impl_.reset (i.release ());
+
     if (make_current && tls_get (current_transaction) != 0)
       throw already_in_transaction ();
 
     impl_->start ();
+    finalized_ = false;
 
     if (make_current)
       tls_set (current_transaction, this);
   }
 
-  transaction::
-  ~transaction ()
-  {
-    if (!finalized_)
-    {
-      try
-      {
-        rollback ();
-      }
-      catch (...)
-      {
-      }
-    }
-
-    delete impl_;
-  }
-
   bool transaction::
   has_current ()
   {
-- 
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