/**
* @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);
}
