Bug 136973 Refresh problem-column name in chart builder
Description: Use flat file datasource, if change the column name in flat file, the column name will changed in data explorer but not refreshed in chart builder accordingly. Only restart Eclipse will get the correct information.
data/org.eclipse.birt.report.data.adapter/src/org/eclipse/birt/report/data/adapter/impl/DataSetMetaDataHelper.java
import org.eclipse.birt.core.data.DataType;
import org.eclipse.birt.core.exception.BirtException;
import org.eclipse.birt.data.engine.api.DataEngine;
import org.eclipse.birt.data.engine.api.IColumnDefinition;
import org.eclipse.birt.data.engine.api.IResultMetaData;
import org.eclipse.birt.data.engine.api.querydefn.QueryDefinition;
import org.eclipse.birt.report.data.adapter.api.AdapterException;
import org.eclipse.birt.report.data.adapter.api.IModelAdapter;
import org.eclipse.birt.report.data.adapter.i18n.ResourceConstants;
import org.eclipse.birt.report.model.api.CachedMetaDataHandle;
import org.eclipse.birt.report.model.api.DataSetHandle;
import org.eclipse.birt.report.model.api.ModuleHandle;
import org.eclipse.birt.report.model.api.ResultSetColumnHandle;
import org.eclipse.birt.report.model.api.StructureFactory;
import org.eclipse.birt.report.model.api.elements.DesignChoiceConstants;
import org.eclipse.birt.report.model.api.elements.structures.ResultSetColumn;
/**
 * 
 */
public class DataSetMetaDataHelper
{
	
	private DataEngine dataEngine;
	private IModelAdapter modelAdaptor;
	private ModuleHandle moduleHandle;
	/**
	 * 
	 * @param dataEngine
	 * @param modelAdaptor
	 * @param moduleHandle