From 741413e3fbdec6db691407271cf0ff48334aa049 Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Sun, 29 Apr 2012 11:50:52 +0200
Subject: Make transaction_impl sanity check optional, use assert

---
 odb/mysql/transaction.cxx | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/odb/mysql/transaction.cxx b/odb/mysql/transaction.cxx
index 81635ca..15666fc 100644
--- a/odb/mysql/transaction.cxx
+++ b/odb/mysql/transaction.cxx
@@ -2,6 +2,8 @@
 // copyright : Copyright (c) 2009-2012 Code Synthesis Tools CC
 // license   : GNU GPL v2; see accompanying LICENSE file
 
+#include <cassert>
+
 #include <odb/mysql/transaction.hxx>
 
 namespace odb
@@ -18,7 +20,7 @@ namespace odb
       // no virtual functions. The former is checked in the tests.
       //
       odb::transaction& b (odb::transaction::current ());
-      dynamic_cast<transaction_impl&> (b.implementation ());
+      assert (dynamic_cast<transaction_impl*> (&b.implementation ()) != 0);
       return reinterpret_cast<transaction&> (b);
     }
   }
-- 
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