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diff --git a/connectivity/source/inc/ado/ADatabaseMetaDataResultSetMetaData.hxx b/connectivity/source/inc/ado/ADatabaseMetaDataResultSetMetaData.hxx
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+++ b/connectivity/source/inc/ado/ADatabaseMetaDataResultSetMetaData.hxx
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+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#pragma once
+
+#include <com/sun/star/sdbc/XResultSetMetaData.hpp>
+#include <cppuhelper/implbase.hxx>
+#include <vector>
+#include <ado/Awrapado.hxx>
+#include <ado/ADatabaseMetaDataResultSet.hxx>
+#include <OColumn.hxx>
+
+namespace connectivity::ado
+{
+
+        //************ Class: ResultSetMetaData
+
+        typedef ::cppu::WeakImplHelper< css::sdbc::XResultSetMetaData>   ODatabaseMetaResultSetMetaData_BASE;
+
+        class ODatabaseMetaDataResultSetMetaData :  public  ODatabaseMetaResultSetMetaData_BASE
+        {
+            friend class ODatabaseMetaDataResultSet;
+
+            const std::vector<sal_Int32> &m_vMapping; // when not every column is needed
+            std::map<sal_Int32,connectivity::OColumn> m_mColumns;
+            std::map<sal_Int32,connectivity::OColumn>::const_iterator m_mColumnsIter;
+
+            ADORecordset*   m_pRecordSet;
+            sal_Int32       m_nColCount;
+
+        private:
+            ODatabaseMetaDataResultSetMetaData( const ODatabaseMetaDataResultSetMetaData& );            // never implemented
+            ODatabaseMetaDataResultSetMetaData& operator=( const ODatabaseMetaDataResultSetMetaData& ); // never implemented
+
+        protected:
+            void setColumnPrivilegesMap();
+            void setColumnsMap();
+            void setTablesMap();
+            void setProcedureColumnsMap();
+            void setPrimaryKeysMap();
+            void setIndexInfoMap();
+            void setTablePrivilegesMap();
+            void setCrossReferenceMap();
+            void setTypeInfoMap();
+            void setProceduresMap();
+        public:
+            // a Constructor, that is needed for when Returning the Object is needed:
+            ODatabaseMetaDataResultSetMetaData( ADORecordset* _pRecordSet ,ODatabaseMetaDataResultSet* _pRes)
+                    :   m_vMapping(_pRes->getColumnMapping()),
+                        m_pRecordSet(_pRecordSet),
+                        m_nColCount(m_vMapping.size()-1)
+            {
+                if(m_pRecordSet)
+                    m_pRecordSet->AddRef();
+            }
+            ~ODatabaseMetaDataResultSetMetaData() override;
+
+            /// Avoid ambiguous cast error from the compiler.
+            operator css::uno::Reference< css::sdbc::XResultSetMetaData > () noexcept
+            { return this; }
+
+            virtual sal_Int32 SAL_CALL getColumnCount(  ) override;
+            virtual sal_Bool SAL_CALL isAutoIncrement( sal_Int32 column ) override;
+            virtual sal_Bool SAL_CALL isCaseSensitive( sal_Int32 column ) override;
+            virtual sal_Bool SAL_CALL isSearchable( sal_Int32 column ) override;
+            virtual sal_Bool SAL_CALL isCurrency( sal_Int32 column ) override;
+            virtual sal_Int32 SAL_CALL isNullable( sal_Int32 column ) override;
+            virtual sal_Bool SAL_CALL isSigned( sal_Int32 column ) override;
+            virtual sal_Int32 SAL_CALL getColumnDisplaySize( sal_Int32 column ) override;
+            virtual OUString SAL_CALL getColumnLabel( sal_Int32 column ) override;
+            virtual OUString SAL_CALL getColumnName( sal_Int32 column ) override;
+            virtual OUString SAL_CALL getSchemaName( sal_Int32 column ) override;
+            virtual sal_Int32 SAL_CALL getPrecision( sal_Int32 column ) override;
+            virtual sal_Int32 SAL_CALL getScale( sal_Int32 column ) override;
+            virtual OUString SAL_CALL getTableName( sal_Int32 column ) override;
+            virtual OUString SAL_CALL getCatalogName( sal_Int32 column ) override;
+            virtual sal_Int32 SAL_CALL getColumnType( sal_Int32 column ) override;
+            virtual OUString SAL_CALL getColumnTypeName( sal_Int32 column ) override;
+            virtual sal_Bool SAL_CALL isReadOnly( sal_Int32 column ) override;
+            virtual sal_Bool SAL_CALL isWritable( sal_Int32 column ) override;
+            virtual sal_Bool SAL_CALL isDefinitelyWritable( sal_Int32 column ) override;
+            virtual OUString SAL_CALL getColumnServiceName( sal_Int32 column ) override;
+        };
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */