Method trimBelow

src/org/apache/pig/newplan/BaseOperatorPlan.java:519–529

Trim everything below a given operator. The specified operator will NOT be removed. @param op Operator to trim everything after. @throws FrontendException

(Operator op)

     * @throws FrontendException 
     */
    public void trimBelow(Operator op) throws FrontendException {
        if (getSuccessors(op) != null) {
            List<Operator> succs = new ArrayList<Operator>();
            succs.addAll(getSuccessors(op));
            for (Operator succ : succs) {
                disconnect(op, succ);
                trimBelow(succ);
                remove(succ);
            }
        }
    }
}