Bug 182296 Crosstab - non-numeric measures
Feature request. Looking at the 2.2.M6 release, it seems that measures (the fields that can be in the matrix part of the output) need to be numeric. I looked at the spec documents and it seems there is no requirement for non-numeric measures
data/org.eclipse.birt.data/src/org/eclipse/birt/data/engine/olap/data/util/DiskIndex.java
/*******************************************************************************
 * Copyright (c) 2004, 2005 Actuate Corporation.
 * 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.data.engine.olap.data.util;
import java.io.IOException;
import org.eclipse.birt.data.engine.core.DataException;
import org.eclipse.birt.data.engine.i18n.ResourceConstants;
import org.eclipse.birt.data.engine.olap.data.api.ISelection;
import org.eclipse.birt.data.engine.olap.data.document.DocumentObjectUtil;
import org.eclipse.birt.data.engine.olap.data.document.IDocumentManager;
import org.eclipse.birt.data.engine.olap.data.document.IDocumentObject;
import org.eclipse.birt.data.engine.olap.data.impl.Constants;
/**
 * A disk based index. The index is n-tree which can be used to find element
 * quickly.
 */
public class DiskIndex