Bug 180608 [Regression]NPE throws out when preview the result in dataset[07]
Description: [Regression]NPE throws out when preview the result in dataset[07] Build number: 2.2.0.v20070403-0630 Steps to reproduce: 1, Use attached report 2, Edit Data Set 3, Preview the Data Set Expected result: The preview should be success Actual result: NPE throws out Error log:
data/org.eclipse.birt.data.tests/test/org/eclipse/birt/data/engine/binding/FeaturesTest.java
* @throws Exception
	 */
	public void testFetchRowLimit3( ) throws Exception
	{
		this.fetchRowLimit( -10 );
	}
	/**
	 * 
	 * @param limit
	 * @throws Exception
	 */
	private void fetchRowLimit( int limit ) throws Exception
	{
		String[] bindingNameRow = new String[1];
		bindingNameRow[0] = "ROW_COUNTRY";
		IBaseExpression[] bindingExprRow = new IBaseExpression[1];
		bindingExprRow[0] = new ScriptExpression( "dataSetRow.COUNTRY" );
		this.dataSet.setRowFetchLimit( limit );
		FilterDefinition[] filters = new FilterDefinition[]{
			new FilterDefinition( new ScriptExpression( "row.ROW_COUNTRY != \"CHINA\"" ) )
		};
		createAndRunQuery( null,
				null,
				null,
				null,
				null,
				null,
				null,
				null,
				filters,