Bug 123727 the 'Top N' and 'Buttom N' do not work
Description: the 'Top N' and 'Buttom N' do not work Steps to reproduce: 1. new a report 2. new a datasource and a dataset 3. creat a report parameter, 4. drag a chart to the layout, In chart dialogue, click the 'select data' tab and click the button 'filters'. 5. set two filters condition, one is used the 'Top N' function and the other used the report parameter. 6. save and preview Actual result: NO data are displayed. Expect result: The data displayed according to the 'Top N' and 'Input Parameters'
data/org.eclipse.birt.data/src/org/eclipse/birt/data/engine/script/FilterPassController.java
{
	public static final int FIRST_PASS = 1;
	public static final int SECOND_PASS = 2;
	public static final int DEFAULT_PASS = 0;
	public static final int DEFAULT_ROW_COUNT = -1;
	private static int passLevel = DEFAULT_PASS;
	
	private static int rowCount = DEFAULT_ROW_COUNT;
	public static int getPassLevel()
	{
		return passLevel;
	}
	
	public static void setPassLevel( int i )
	{
		passLevel = i;
	}
	
	public static int getRowCount( )
	{
		return rowCount;
	}
	
	public static void setRowCount( int i )
	{
		rowCount = i;
	}
}