code: function(oTable, iColumnIndex) {
  			if (!oTable ||
  				iColumnIndex == null || iColumnIndex < 0) {
  				return;
  			}
  
  			var oColumns = oTable.getColumns();
  			if (iColumnIndex >= oColumns.length) {
  				return;
  			}
  
  			var oColumn = oColumns[iColumnIndex];
  			oColumn._closeMenu();
  		}
docs: Closes the context menu of a column.
  
  @param {sap.ui.table.Table} oTable Instance of the table.
  @param {int} iColumnIndex The index of the column to close the context menu on.
  @see openContextMenu
  @see openColumnContextMenu
  @private