Bug 157744 [Regression]GUI has memory leak
Causes by 153732, designer has a regression to hold the report design handle in a hashmap. That causes the report design can not be released.
UI/org.eclipse.birt.report.designer.ui/src/org/eclipse/birt/report/designer/internal/ui/editors/schematic/editparts/TableEditPart.java
{
		return getTableAdapter( ).getRow( number );
	}
	/**
	 * @param number
	 *            a column position
	 * @return a specific column.
	 */
	public Object getColumn( int number )
	{
		return getTableAdapter( ).getColumn( number );
	}
	/**
	 * Gets all columns list
	 * 
	 * @return all columns list.
	 */
	public List getColumns( )
	{
		return getTableAdapter( ).getColumns( );
	}
	/**
	 * Gets the rows count
	 * 
	 * @return row count
	 */
	public int getRowCount( )
	{
		return getTableAdapter( ).getRowCount( );
	}