Bug 207561 [Regression] Conversion errror when preview the attached report design
data/org.eclipse.birt.report.data.oda.jdbc.ui/src/org/eclipse/birt/report/data/oda/jdbc/ui/editors/SQLDataSetEditorPage.java
{
			GridData data = (GridData) left.getLayoutData( );
			data.widthHint = leftWidth;
			data = (GridData) right.getLayoutData( );
			data.widthHint = totalWidth - leftWidth;
		}
	}
	
	private Sash createSash( final Composite composite )
	{
		final Sash sash = new Sash( composite, SWT.VERTICAL );
		sash.setLayoutData( new GridData( GridData.FILL_VERTICAL ) );
		return sash;
	}
	
	/**
	 * 
	 * @param sash
	 * @param parent
	 * @param left
	 * @param right
	 */
	private void addDragListerner( final Sash sash, final Composite parent,
			final Control left, final Control right )
	{
		sash.addListener( SWT.Selection, new Listener( ) {
			public void handleEvent( Event event )
			{
				if ( event.detail == SWT.DRAG )
				{