Bug 122854 There is redundant columns in "available columns" list in "export data" dialog.
Description: There is redundant columns in "available columns" list in "export data" dialog. Steps to reproduce: 1. Preview attached design in web viewer. 2. Select the table and click on "export" button. 3. There is a "detail" column name in "available columns" list which is not data set column.
engine/org.eclipse.birt.report.engine/src/org/eclipse/birt/report/engine/ir/Report.java
* All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *  Actuate Corporation  - initial API and implementation
 *******************************************************************************/
package org.eclipse.birt.report.engine.ir;
import java.io.File;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.Locale;
import java.util.Map;
import java.util.Set;
import org.eclipse.birt.report.engine.api.IParameterDefnBase;
import org.eclipse.birt.report.engine.api.IParameterGroupDefn;
import org.eclipse.birt.report.engine.content.IStyle;
import org.eclipse.birt.report.engine.css.dom.StyleDeclaration;
import org.eclipse.birt.report.model.api.ConfigVariableHandle;
import org.eclipse.birt.report.model.api.ReportDesignHandle;
import org.w3c.dom.css.CSSStyleDeclaration;
/**
 * Report is the root element of the design.
 * 
 * @version $Revision: 1.26 $ $Date: 2005/12/21 10:05:17 $
 */
public class Report