Bug 190769 [Regression]The attached report pop up exception when preview
engine/org.eclipse.birt.report.engine/src/org/eclipse/birt/report/engine/data/dte/QueryResultSet.java
return rs.getBigDecimal( name );
	}
	public Date getDate( String name ) throws BirtException
	{
		return rs.getDate( name );
	}
	public Blob getBlob( String name ) throws BirtException
	{
		return rs.getBlob( name );
	}
	public byte[] getBytes( String name ) throws BirtException
	{
		return rs.getBytes( name );
	}
	public IResultMetaData getResultMetaData( ) throws BirtException
	{
		if ( null == rs )
			return emptyResultMetaData;
		else
			return rs.getResultMetaData( );
	}
	public boolean isEmpty( ) throws BirtException
	{
		if ( rs == null )
		{
			return true;
		}
		return rs.isEmpty( );
	}
	private static class EmptyResultMetaData implements IResultMetaData