Bug 201676 Some modifications do not work on the Display Name of the Output Columns[07]
Description: The dataset's output column has the display name by default[07] Build number: 2.2.1.v20070830-0630 Steps to reproduce: 1, New a dataset from SampleDB's customers 2, Check the display name of the output column Expected result: The display name should be empty and should be specified by user Actual result: The display name is specified automatically as same as the Column name
model/org.eclipse.birt.report.model.adapter.oda/src/org/eclipse/birt/report/model/adapter/oda/impl/ResultSetsAdapter.java
setDefinedResults.add( tmpIterator.next( ) );
		tmpIterator = setHandle.columnHintsIterator( );
		setDefinedColumnHints = new ArrayList( );
		while ( tmpIterator.hasNext( ) )
			setDefinedColumnHints.add( tmpIterator.next( ) );
		designFactory = ODADesignFactory.getFactory( );
	}
	/**
	 * Creates the column hint with given column definition and the old column
	 * hint.
	 * 
	 * @param columnDefn
	 *            the latest column definition
	 * @param cachedColumnDefn
	 *            the last (cached) column definition
	 * @param oldHint
	 *            the existing column hint in the data set handle
	 * @return the newly created column hint
	 */
	private ColumnHint newROMColumnHintFromColumnDefinition(
			ColumnDefinition columnDefn, ColumnDefinition cachedColumnDefn,
			ColumnHint oldHint )
	{
		if ( columnDefn == null )
			return null;
		DataElementAttributes dataAttrs = columnDefn.getAttributes( );
		if ( dataAttrs == null )
			return null;
		ColumnHint newHint = null;
		ColumnDefinition tmpCachedColumnDefn = cachedColumnDefn;