Bug 139346 Using isTopN in table inside list group header doesn't work.
Description: Using isTopN in table inside list group header doesn't work. Steps to reproduce: 1.Insert a list with a group 2.Insert a table to list group header 3.Using Total.isTopN(row[],2,null,0) as filter expression in table item. 4.Preview Result: Only the first group displayed top 2 records, other groups kept display all records.
data/org.eclipse.birt.data/src/org/eclipse/birt/data/engine/impl/QueryExecutor.java
}
	/*
	 * @see org.eclipse.birt.data.engine.impl.IQueryExecutor#getJSAggrValueObject()
	 */
	public Scriptable getJSAggrValueObject( )
	{
		if ( aggregates != null )
			return aggregates.getJSAggrValueObject( );
		else
			return null;
	}
	
	/*
	 * @see org.eclipse.birt.data.engine.impl.IQueryExecutor#getNestedDataSets(int)
	 */
	public DataSetRuntime[] getNestedDataSets( int nestedCount )
	{
		return outerResults.getDataSetRuntime( nestedCount );
	}
	
	/*
	 * @see org.eclipse.birt.data.engine.impl.IQueryExecutor#getOdiResultSet()
	 */
	public IResultIterator getOdiResultSet( )
	{
		return this.odiResult;
	}
	
}