returns an iterator for all the subplans in the plan concode_field_sep IndexInfo ii concode_elem_sep Plan p1 concode_elem_sep Plan p2 concode_elem_sep String joinfield concode_elem_sep Schema sch concode_field_sep Schema schema concode_elem_sep long blocksAccessed concode_elem_sep long distinctValues concode_elem_sep long recordsOutput concode_elem_sep Scan open
Iterator < Plan > function ( ) { throw new UnsupportedOperationException ( ) ; }