Bug 177091 Can't access stored procedure defined in Oracle Package
1.setup an oracle connection 2.try to call a stored procedure defined in package
data/org.eclipse.birt.report.data.oda.jdbc.ui/src/org/eclipse/birt/report/data/oda/jdbc/ui/editors/SQLDataSetEditorPage.java
* Creates the composite, for displaying the list of available db objects
	 * 
	 * @param parent
	 */
	private void createTableSelectionComposite( Composite parent )
	{
		Composite tablescomposite = new Composite( parent, SWT.NONE );
		GridLayout layout = new GridLayout( );
		tablescomposite.setLayout( layout );
		{
			GridData data = new GridData( GridData.FILL_BOTH );
			data.grabExcessVerticalSpace = true;
			tablescomposite.setLayoutData( data );
		}
		
		Label dataSourceLabel = new Label( tablescomposite, SWT.LEFT );
		dataSourceLabel.setText( JdbcPlugin.getResourceString( "tablepage.label.availableItems" ) );
		{
			GridData data = new GridData( );
			dataSourceLabel.setLayoutData( data );
		}
		availableDbObjectsTree = new Tree( tablescomposite, SWT.BORDER
				| SWT.MULTI );
		{
			GridData data = new GridData( GridData.FILL_BOTH );
			data.grabExcessHorizontalSpace = true;
			data.grabExcessVerticalSpace = true;
			data.heightHint = 150;
			availableDbObjectsTree.setLayoutData( data );
		}