How to use

HashLeftOuterJoinBuildFirstDescriptor

in

org.apache.flink.optimizer.operators

private List<OperatorDescriptorDual> createLeftOuterJoinDescriptors(JoinHint hint) {
  List<OperatorDescriptorDual> list = new ArrayList<>();
  switch (hint) {
    case OPTIMIZER_CHOOSES:
      list.add(new SortMergeLeftOuterJoinDescriptor(this.keys1, this.keys2, true));
      list.add(new HashLeftOuterJoinBuildSecondDescriptor(this.keys1, this.keys2, true, true));
      break;
    case REPARTITION_SORT_MERGE:
      list.add(new SortMergeLeftOuterJoinDescriptor(this.keys1, this.keys2, false));
      break;
    case REPARTITION_HASH_SECOND:
      list.add(new HashLeftOuterJoinBuildSecondDescriptor(this.keys1, this.keys2, false, true));
      break;
    case BROADCAST_HASH_SECOND:
      list.add(new HashLeftOuterJoinBuildSecondDescriptor(this.keys1, this.keys2, true, false));
      break;
    case REPARTITION_HASH_FIRST:
      list.add(new HashLeftOuterJoinBuildFirstDescriptor(this.keys1, this.keys2, false, true));
      break;
    case BROADCAST_HASH_FIRST:
    default:
      throw new CompilerException("Invalid join hint: " + hint + " for left outer join");
  }
  return list;
}

@Override
public DualInputPlanNode instantiate(Channel in1, Channel in2, TwoInputNode node) {
  String nodeName = "LeftOuterJoin ("+node.getOperator().getName()+")";
  return new DualInputPlanNode(node, nodeName, in1, in2, getStrategy(), this.keys1, this.keys2);
}

@Override
public DualInputPlanNode instantiate(Channel in1, Channel in2, TwoInputNode node) {
  String nodeName = "LeftOuterJoin ("+node.getOperator().getName()+")";
  return new DualInputPlanNode(node, nodeName, in1, in2, getStrategy(), this.keys1, this.keys2);
}

private List<OperatorDescriptorDual> createLeftOuterJoinDescriptors(JoinHint hint) {
  List<OperatorDescriptorDual> list = new ArrayList<>();
  switch (hint) {
    case OPTIMIZER_CHOOSES:
      list.add(new SortMergeLeftOuterJoinDescriptor(this.keys1, this.keys2, true));
      list.add(new HashLeftOuterJoinBuildSecondDescriptor(this.keys1, this.keys2, true, true));
      break;
    case REPARTITION_SORT_MERGE:
      list.add(new SortMergeLeftOuterJoinDescriptor(this.keys1, this.keys2, false));
      break;
    case REPARTITION_HASH_SECOND:
      list.add(new HashLeftOuterJoinBuildSecondDescriptor(this.keys1, this.keys2, false, true));
      break;
    case BROADCAST_HASH_SECOND:
      list.add(new HashLeftOuterJoinBuildSecondDescriptor(this.keys1, this.keys2, true, false));
      break;
    case REPARTITION_HASH_FIRST:
      list.add(new HashLeftOuterJoinBuildFirstDescriptor(this.keys1, this.keys2, false, true));
      break;
    case BROADCAST_HASH_FIRST:
    default:
      throw new CompilerException("Invalid join hint: " + hint + " for left outer join");
  }
  return list;
}

@Override
public DualInputPlanNode instantiate(Channel in1, Channel in2, TwoInputNode node) {
  String nodeName = "LeftOuterJoin ("+node.getOperator().getName()+")";
  return new DualInputPlanNode(node, nodeName, in1, in2, getStrategy(), this.keys1, this.keys2);
}

private List<OperatorDescriptorDual> createLeftOuterJoinDescriptors(JoinHint hint) {
  List<OperatorDescriptorDual> list = new ArrayList<>();
  switch (hint) {
    case OPTIMIZER_CHOOSES:
      list.add(new SortMergeLeftOuterJoinDescriptor(this.keys1, this.keys2, true));
      list.add(new HashLeftOuterJoinBuildSecondDescriptor(this.keys1, this.keys2, true, true));
      break;
    case REPARTITION_SORT_MERGE:
      list.add(new SortMergeLeftOuterJoinDescriptor(this.keys1, this.keys2, false));
      break;
    case REPARTITION_HASH_SECOND:
      list.add(new HashLeftOuterJoinBuildSecondDescriptor(this.keys1, this.keys2, false, true));
      break;
    case BROADCAST_HASH_SECOND:
      list.add(new HashLeftOuterJoinBuildSecondDescriptor(this.keys1, this.keys2, true, false));
      break;
    case REPARTITION_HASH_FIRST:
      list.add(new HashLeftOuterJoinBuildFirstDescriptor(this.keys1, this.keys2, false, true));
      break;
    case BROADCAST_HASH_FIRST:
    default:
      throw new CompilerException("Invalid join hint: " + hint + " for left outer join");
  }
  return list;
}

@Override
public DualInputPlanNode instantiate(Channel in1, Channel in2, TwoInputNode node) {
  String nodeName = "LeftOuterJoin ("+node.getOperator().getName()+")";
  return new DualInputPlanNode(node, nodeName, in1, in2, getStrategy(), this.keys1, this.keys2);
}

private List<OperatorDescriptorDual> createLeftOuterJoinDescriptors(JoinHint hint) {
  List<OperatorDescriptorDual> list = new ArrayList<>();
  switch (hint) {
    case OPTIMIZER_CHOOSES:
      list.add(new SortMergeLeftOuterJoinDescriptor(this.keys1, this.keys2, true));
      list.add(new HashLeftOuterJoinBuildSecondDescriptor(this.keys1, this.keys2, true, true));
      break;
    case REPARTITION_SORT_MERGE:
      list.add(new SortMergeLeftOuterJoinDescriptor(this.keys1, this.keys2, false));
      break;
    case REPARTITION_HASH_SECOND:
      list.add(new HashLeftOuterJoinBuildSecondDescriptor(this.keys1, this.keys2, false, true));
      break;
    case BROADCAST_HASH_SECOND:
      list.add(new HashLeftOuterJoinBuildSecondDescriptor(this.keys1, this.keys2, true, false));
      break;
    case REPARTITION_HASH_FIRST:
      list.add(new HashLeftOuterJoinBuildFirstDescriptor(this.keys1, this.keys2, false, true));
      break;
    case BROADCAST_HASH_FIRST:
    default:
      throw new CompilerException("Invalid join hint: " + hint + " for left outer join");
  }
  return list;
}

@Override
public DualInputPlanNode instantiate(Channel in1, Channel in2, TwoInputNode node) {
  String nodeName = "LeftOuterJoin("+node.getOperator().getName()+")";
  return new DualInputPlanNode(node, nodeName, in1, in2, getStrategy(), this.keys1, this.keys2);
}

private List<OperatorDescriptorDual> createLeftOuterJoinDescriptors(JoinHint hint) {
  List<OperatorDescriptorDual> list = new ArrayList<>();
  switch (hint) {
    case OPTIMIZER_CHOOSES:
      list.add(new SortMergeLeftOuterJoinDescriptor(this.keys1, this.keys2, true));
      list.add(new HashLeftOuterJoinBuildSecondDescriptor(this.keys1, this.keys2, true, true));
      break;
    case REPARTITION_SORT_MERGE:
      list.add(new SortMergeLeftOuterJoinDescriptor(this.keys1, this.keys2, false));
      break;
    case REPARTITION_HASH_SECOND:
      list.add(new HashLeftOuterJoinBuildSecondDescriptor(this.keys1, this.keys2, false, true));
      break;
    case BROADCAST_HASH_SECOND:
      list.add(new HashLeftOuterJoinBuildSecondDescriptor(this.keys1, this.keys2, true, false));
      break;
    case REPARTITION_HASH_FIRST:
      list.add(new HashLeftOuterJoinBuildFirstDescriptor(this.keys1, this.keys2, false, true));
      break;
    case BROADCAST_HASH_FIRST:
    default:
      throw new CompilerException("Invalid join hint: " + hint + " for left outer join");
  }
  return list;
}