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diff --git a/connectivity/inc/connectivity/warningscontainer.hxx b/connectivity/inc/connectivity/warningscontainer.hxx
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+++ b/connectivity/inc/connectivity/warningscontainer.hxx
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+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*************************************************************************
+ *
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * Copyright 2000, 2010 Oracle and/or its affiliates.
+ *
+ * OpenOffice.org - a multi-platform office productivity suite
+ *
+ * This file is part of OpenOffice.org.
+ *
+ * OpenOffice.org is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License version 3
+ * only, as published by the Free Software Foundation.
+ *
+ * OpenOffice.org is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License version 3 for more details
+ * (a copy is included in the LICENSE file that accompanied this code).
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * version 3 along with OpenOffice.org.  If not, see
+ * <http://www.openoffice.org/license.html>
+ * for a copy of the LGPLv3 License.
+ *
+ ************************************************************************/
+
+#ifndef DBTOOLS_WARNINGSCONTAINER_HXX
+#define DBTOOLS_WARNINGSCONTAINER_HXX
+
+/** ==== begin UNO includes === **/
+#include <com/sun/star/sdbc/XWarningsSupplier.hpp>
+#include <com/sun/star/sdb/SQLContext.hpp>
+/** ==== end UNO includes === **/
+
+#include "connectivity/dbtoolsdllapi.hxx"
+
+//.........................................................................
+namespace dbtools
+{
+//.........................................................................
+
+    //=====================================================================
+    //= IWarningsContainer
+    //=====================================================================
+    class SAL_NO_VTABLE IWarningsContainer
+    {
+    public:
+        virtual void appendWarning(const ::com::sun::star::sdbc::SQLException& _rWarning) = 0;
+        virtual void appendWarning(const ::com::sun::star::sdbc::SQLWarning& _rWarning) = 0;
+        virtual void appendWarning(const ::com::sun::star::sdb::SQLContext& _rContext) = 0;
+    };
+
+    //====================================================================
+    //= WarningsContainer
+    //====================================================================
+    /** helper class for implementing XWarningsSupplier, which mixes own warnings with
+        warnings obtained from an external instance
+    */
+    class OOO_DLLPUBLIC_DBTOOLS WarningsContainer : public IWarningsContainer
+    {
+    private:
+        ::com::sun::star::uno::Reference< ::com::sun::star::sdbc::XWarningsSupplier >   m_xExternalWarnings;
+        ::com::sun::star::uno::Any                                                      m_aOwnWarnings;
+
+    public:
+        WarningsContainer() { }
+        WarningsContainer( const ::com::sun::star::uno::Reference< ::com::sun::star::sdbc::XWarningsSupplier >& _rxExternalWarnings )
+            :m_xExternalWarnings( _rxExternalWarnings )
+        {
+        }
+        virtual ~WarningsContainer();
+
+        void setExternalWarnings( const ::com::sun::star::uno::Reference< ::com::sun::star::sdbc::XWarningsSupplier >& _rxExternalWarnings )
+        {
+            m_xExternalWarnings = _rxExternalWarnings;
+        }
+
+        // convenience
+        /** appends an SQLWarning instance to the chain
+            @param  _rWarning
+                the warning message
+            @param  _pAsciiSQLState
+                the SQLState of the warning
+            @param  _rxContext
+                the context of the warning
+        */
+        void appendWarning(
+            const ::rtl::OUString& _rWarning,
+            const sal_Char* _pAsciiSQLState,
+            const ::com::sun::star::uno::Reference< ::com::sun::star::uno::XInterface >& _rxContext );
+
+        // IWarningsContainer
+        virtual void appendWarning(const ::com::sun::star::sdbc::SQLException& _rWarning);
+        virtual void appendWarning(const ::com::sun::star::sdbc::SQLWarning& _rWarning);
+        virtual void appendWarning(const ::com::sun::star::sdb::SQLContext& _rContext);
+
+        // XWarningsSupplier equivalents
+        ::com::sun::star::uno::Any SAL_CALL getWarnings(  ) const;
+        void SAL_CALL clearWarnings(  );
+    };
+
+//.........................................................................
+}   // namespace dbtools
+//.........................................................................
+
+#endif // DBTOOLS_WARNINGSCONTAINER_HXX
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */