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
public Object getValue( String column ) throws BirtException
	{
		return rs.getValue( column );
	}
	public int getEndingGroupLevel( ) throws BirtException
	{
		return rs.getEndingGroupLevel( );
	}
	public int getStartingGroupLevel( ) throws BirtException
	{
		return rs.getStartingGroupLevel( );
	}
	public Boolean getBoolean( String name ) throws BirtException
	{
		return rs.getBoolean( name );
	}
	public Integer getInteger( String name ) throws BirtException
	{
		return rs.getInteger( name );
	}
	public Double getDouble( String name ) throws BirtException
	{
		return rs.getDouble( name );
	}
	public String getString( String name ) throws BirtException
	{
		return rs.getString( name );
	}
	public BigDecimal getBigDecimal( String name ) throws BirtException
	{