diff -r 000000000000 -r c53acadfccc6 mds_plat/metadata_engine_api/inc/mderelationquery.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mds_plat/metadata_engine_api/inc/mderelationquery.h	Mon Jan 18 20:34:07 2010 +0200
@@ -0,0 +1,85 @@
+/*
+* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies). 
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description:  ?Description
+*
+*/
+
+
+#ifndef __MDERELATIONQUERY_H__
+#define __MDERELATIONQUERY_H__
+
+
+#include <mdequery.h>
+
+
+/* Forward declarations. */
+class CMdERelation;
+class CMdENamespaceDef;
+class CMdESession;
+
+/**
+ * Query that fetches a set of relation items from the metadata engine 
+ * database.
+ */
+NONSHARABLE_CLASS(CMdERelationQuery) : public CMdEQuery
+	{
+public:
+	
+	/* Constructors and destructor. */
+
+    /**
+	 * Destructor.
+	 */
+	virtual ~CMdERelationQuery();
+
+
+	/* Methods. */
+ 
+    /**
+	 * Returns one of the result objects.
+	 *
+	 * @return  The result object that was requested. The query retains 
+     *          ownership of the returned object.
+	 */
+	IMPORT_C CMdERelation& Result(TInt aIndex) const;
+
+
+protected:
+
+	/* Constructors. */
+	
+	/**
+	 * Constructor. 
+	 *
+	 * @param aType  type of the condition node
+	 */
+	CMdERelationQuery(CMdESession& aSession, CMdENamespaceDef& aNamespaceDef);
+
+	/**
+	 * Second-phase constructor.
+	 */
+	void RelationQueryConstructL();
+
+    virtual void DoCancel();
+
+private:
+
+    /* Private methods. */
+
+
+private:
+
+    };
+
+#endif  // __MDERELATIONQUERY_H__