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
* @return
	 */
	protected String queryId2rsetId( String id )
	{
		
		Iterator iter = rsetId2queryIdMapping.entrySet( ).iterator( );
		while ( iter.hasNext( ) )
		{
			Map.Entry entry = (Map.Entry) iter.next( );
			String queryId = (String) entry.getValue( );
			String rsetId = (String) entry.getKey( );
			if ( queryId.equals( id ) )
			{
				return rsetId;
			}
		}
		return null;
	}
	/**
	 * get the rset id from the rset name.
	 * 
	 * @param id
	 * @return
	 */
	protected String rsetId2Name( String id )
	{
		
		Iterator iter = rsetName2IdMapping.entrySet( ).iterator( );
		while ( iter.hasNext( ) )
		{