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/data/dte/ReportQueryBuilder.java
import org.eclipse.birt.report.engine.executor.ExecutionContext;
import org.eclipse.birt.report.engine.extension.IReportItemQuery;
import org.eclipse.birt.report.engine.extension.internal.ExtensionManager;
import org.eclipse.birt.report.engine.i18n.MessageConstants;
import org.eclipse.birt.report.engine.ir.ActionDesign;
import org.eclipse.birt.report.engine.ir.CellDesign;
import org.eclipse.birt.report.engine.ir.DataItemDesign;
import org.eclipse.birt.report.engine.ir.DefaultReportItemVisitorImpl;
import org.eclipse.birt.report.engine.ir.DrillThroughActionDesign;
import org.eclipse.birt.report.engine.ir.Expression;
import org.eclipse.birt.report.engine.ir.ExtendedItemDesign;
import org.eclipse.birt.report.engine.ir.FreeFormItemDesign;
import org.eclipse.birt.report.engine.ir.GridItemDesign;
import org.eclipse.birt.report.engine.ir.GroupDesign;
import org.eclipse.birt.report.engine.ir.HighlightDesign;
import org.eclipse.birt.report.engine.ir.HighlightRuleDesign;
import org.eclipse.birt.report.engine.ir.ImageItemDesign;
import org.eclipse.birt.report.engine.ir.LabelItemDesign;
import org.eclipse.birt.report.engine.ir.ListBandDesign;
import org.eclipse.birt.report.engine.ir.ListGroupDesign;
import org.eclipse.birt.report.engine.ir.ListItemDesign;
import org.eclipse.birt.report.engine.ir.ListingDesign;
import org.eclipse.birt.report.engine.ir.MapDesign;
import org.eclipse.birt.report.engine.ir.MapRuleDesign;
import org.eclipse.birt.report.engine.ir.MultiLineItemDesign;
import org.eclipse.birt.report.engine.ir.Report;
import org.eclipse.birt.report.engine.ir.ReportItemDesign;
import org.eclipse.birt.report.engine.ir.RowDesign;
import org.eclipse.birt.report.engine.ir.TableBandDesign;
import org.eclipse.birt.report.engine.ir.TableGroupDesign;