Bug 201396 Exception is thrown out when a chart use the list shared result set [0005]
data/org.eclipse.birt.data/src/org/eclipse/birt/data/engine/impl/QueryResults.java
/*
		 * @see org.eclipse.birt.data.engine.impl.IResultService#getQueryResults()
		 */
		public IQueryResults getQueryResults( )
		{
			return queryResults;
		}
		/*
		 * @see org.eclipse.birt.data.engine.impl.IResultService#getQueryDefn()
		 */
		public IBaseQueryDefinition getQueryDefn( )
		{
			return queryResults.queryService.getQueryDefn( );
		}
		
		/*
		 * @see org.eclipse.birt.data.engine.impl.IResultService#execSubquery(org.eclipse.birt.data.engine.odi.IResultIterator,
		 *      java.lang.String, org.mozilla.javascript.Scriptable)
		 */
		public IQueryResults execSubquery(
				org.eclipse.birt.data.engine.odi.IResultIterator iterator,
				String subQueryName, Scriptable subScope ) throws DataException
		{
			return queryResults.queryService.execSubquery( iterator,
					subQueryName,
					subScope );
		}
		/*
		 * @see org.eclipse.birt.data.engine.impl.IResultService#getBaseExpression(java.lang.String)
		 */