/** * @param op * @param index * @param plan * @throws PlanException */ private static void setProjectInput(PhysicalOperator op, PhysicalPlan plan, int index) throws PlanException { String scope = op.getOperatorKey().scope; POProject proj = new POProject( new OperatorKey(scope, NodeIdGenerator.getGenerator().getNextNodeId(scope)), op.getRequestedParallelism(), index); proj.setResultType(DataType.BAG); // Remove old connections and elements from the plan plan.trimAbove(op); plan.add(proj); plan.connect(proj, op); List<PhysicalOperator> inputs = Lists.newArrayList(); inputs.add(proj); op.setInputs(inputs); }