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
selectColumn( new int[]{
					adapter.getColumnNumber( )
				} );
			}
		} );
	}
	/**
	 * Inserts multi columns( or a single column ) at give position.
	 * 
	 * @author Liu sanyong
	 * 
	 * @version 1.0 2005.4.22
	 * 
	 * @param relativePos
	 *            The direction to indicate inserting rows above or below.
	 * @param colNumbers
	 *            The column numbers of the origin selected column(s).
	 */
	
	public void insertColumns( final int relativePos, final int[] colNumbers )
	{
		int colCount = colNumbers.length;
		try
		{
			if ( relativePos < 0 )
			{ 
				getTableAdapter( ).insertColumns( -colCount, colNumbers[0] );
			}
			else