Bug 208168 Meaningless exception occurs when sorting condition refer to a unused binding[07]
Description: Meaningless exception occurs when sorting condition refer to a unused binding[07] Build number: 2.3.0.v2007-0800 Steps to reproduce: 1, New a table binding with a dataset 2, Define a Sort for the table 3, Delete the binding of table which is using by sorting condition 4, Preview Expected result: The exception should be meaningful. Actual result: Exception is meaningless for user to clear the mistake point Error log: An error happen during population of data. This might be caused by including data of mixed type in a column of "ANY" type
data/org.eclipse.birt.data/src/org/eclipse/birt/data/engine/impl/ComputedColumnHelper.java
{
	private DataSetRuntime dataSet;
	
	private List ccList;
	
	private IComputedColumn[] computedColumn;
	
	private int[] columnIndexArray;
	
	private boolean isPrepared;
	protected static Logger logger = Logger.getLogger( ComputedColumnHelper.class.getName( ) );
	public ComputedColumnHelperInstance( DataSetRuntime dataSet,
			List computedColumns )
	{
		
		
		this.ccList = new ArrayList( );
		for ( int i = 0; i < computedColumns.size( ); i++ )
			this.ccList.add( computedColumns.get( i ) );
		this.isPrepared = false;
		this.dataSet = dataSet;
	}
	public List getComputedColumnList( )
	{
		return this.ccList;
	}
	/*
	 * @see org.eclipse.birt.data.engine.odi.IResultObjectEvent#process(org.eclipse.birt.data.engine.odi.IResultObject)