Bug 206279 Removed computed cols listed in expression builder[07]
Description: Removed computed column listed in expression builder inside DataSet Editor dialog Build number:2.2.2.v20071011 Steps to reproduce: 1. New data source and dataset. 2. Add a computed column in dataset and click OK. 3. Open the dataset, remove the computed column. 4. Add a new computed column and check columns in available Data Sets. Expected result: The removed computed column isn't there. Actual result: The removed computed column is still there for selection. Error log:n/a
UI/org.eclipse.birt.report.designer.ui/src/org/eclipse/birt/report/designer/data/ui/util/DataSetProvider.java
}
		else
		{
			newColumnName = columnName;
		}
		return newColumnName;
	}
	/**
	 * @param ds
	 * @param columns
	 */
	public void updateModel( DataSetHandle ds, DataSetViewData[] columns )
	{
		
		PropertyHandle handle = ds.getPropertyHandle( DataSetHandle.COLUMN_HINTS_PROP );
		PropertyHandle resultSetColumnHandle = ds.getPropertyHandle( DataSetHandle.RESULT_SET_HINTS_PROP );
		Iterator iter = handle.iterator( );
		if ( iter != null )
		{
			while ( iter.hasNext( ) )
			{
				ColumnHintHandle hint = (ColumnHintHandle) iter.next( );
				
				for ( int n = 0; n < columns.length; n++ )
				{
					
					
					
					String columnName = columns[n].getName( );
					if ( resultSetColumnHandle != null