Add support for embedded schema migration

1 files changed, 22 insertions, 0 deletions

diff --git a/odb/exceptions.cxx b/odb/exceptions.cxx
index 9502f96..1ee17e5 100644
--- a/odb/exceptions.cxx
+++ b/odb/exceptions.cxx
@@ -2,6 +2,7 @@
 // copyright : Copyright (c) 2009-2013 Code Synthesis Tools CC
 // license   : GNU GPL v2; see accompanying LICENSE file
 
+#include <sstream>
 #include <odb/exceptions.hxx>
 
 using namespace std;
@@ -163,4 +164,25 @@ namespace odb
   {
     return what_.c_str ();
   }
+
+  unknown_schema_version::
+  unknown_schema_version (schema_version v)
+      : version_ (v)
+  {
+    ostringstream os;
+    os << v;
+    what_ = "unknown database schema version ";
+    what_ += os.str ();
+  }
+
+  unknown_schema_version::
+  ~unknown_schema_version () throw ()
+  {
+  }
+
+  const char* unknown_schema_version::
+  what () const throw ()
+  {
+    return what_.c_str ();
+  }
 }