From db918b9b3dbe6df53d046e3561c07133cfc825e7 Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Thu, 6 Sep 2012 08:51:38 +0200
Subject: Issue error if DATABASE_* macros is not defined

---
 optimistic/database.hxx | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'optimistic')

diff --git a/optimistic/database.hxx b/optimistic/database.hxx
index 6e110b9..e81f6a7 100644
--- a/optimistic/database.hxx
+++ b/optimistic/database.hxx
@@ -28,6 +28,8 @@
 #  include <odb/oracle/database.hxx>
 #elif defined(DATABASE_MSSQL)
 #  include <odb/mssql/database.hxx>
+#else
+#  error unknown database; did you forget to define the DATABASE_* macros?
 #endif
 
 inline std::auto_ptr<odb::database>
-- 
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