Bug 187727 org.eclipse.birt.report.designer.core has compile error in daily build 20070518-0630
org.eclipse.birt.report.designer.core has compile error in daily build 20070518-0630. Please see the attachment for details. The build runs from tagged version.
UI/org.eclipse.birt.report.designer.core/src/org/eclipse/birt/report/designer/util/DEUtil.java
* 
	 * @param columnName
	 *            the column name
	 * @return the expression, or null if the column name is blank.
	 */
	public static String getColumnExpression( String columnName )
	{
		Assert.isNotNull( columnName );
		if ( StringUtil.isBlank( columnName ) )
		{
			return null;
		}
		
		
		
		return ExpressionUtil.createJSRowExpression( columnName );
	}
	/**
	 * Create a row expression base on a result set column name.
	 * 
	 * @param columnName
	 *            the column name
	 * @return the expression, or null if the column name is blank.
	 */
	public static String getResultSetColumnExpression( String columnName )
	{
		Assert.isNotNull( columnName );
		if ( StringUtil.isBlank( columnName ) )
		{
			return null;