Bug 192332 Engine does not set values for parameters in a data extraction task
Engine does not set values for parameters in a data extraction task. So if a query binds a paramter, we can not get correct data from document.
engine/org.eclipse.birt.report.engine/src/org/eclipse/birt/report/engine/api/impl/DataExtractionTaskV1.java
long id = iid.getComponentID( );
		ReportItemDesign design = (ReportItemDesign) report
				.getReportItemByID( id );
		IDataQueryDefinition query = design.getQuery( );
		if ( query != null )
		{
			return executionContext.getDataEngine( ).execute( prset, query,
					false );
		}
		return prset;
	}
	/**
	 * get the result set name used by the instance.
	 * 
	 * @param iid
	 *            instance id
	 * @return result set name.
	 */
	protected String instanceId2RsetName( InstanceID iid )
	{
		InstanceID[] iids = getAncestors( iid );
		ArrayList rsets = new ArrayList( );
		IBaseResultSet prset = null;
		IBaseResultSet rset = null;
		String rsetName = null;
		try
		{
			for ( int i = 0; i < iids.length; i++ )
			{
				rset = executeQuery( prset, iids[i] );