Package org.apache.tajo.ipc.TajoWorkerProtocol

Examples of org.apache.tajo.ipc.TajoWorkerProtocol.EnforceProperty

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  }

  private PhysicalExec createCrossJoinPlan(TaskAttemptContext context, JoinNode plan,
                                           PhysicalExec leftExec, PhysicalExec rightExec) throws IOException {
    Enforcer enforcer = context.getEnforcer();
    EnforceProperty property = getAlgorithmEnforceProperty(enforcer, plan);

    if (property != null) {
      JoinAlgorithm algorithm = property.getJoin().getAlgorithm();

      switch (algorithm) {
        case NESTED_LOOP_JOIN:
          LOG.info("Join (" + plan.getPID() +") chooses [Nested Loop Join]");
          return new NLJoinExec(context, plan, leftExec, rightExec);
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  }

  private PhysicalExec createInnerJoinPlan(TaskAttemptContext context, JoinNode plan,
                                           PhysicalExec leftExec, PhysicalExec rightExec) throws IOException {
    Enforcer enforcer = context.getEnforcer();
    EnforceProperty property = getAlgorithmEnforceProperty(enforcer, plan);

    if (property != null) {
      JoinAlgorithm algorithm = property.getJoin().getAlgorithm();

      switch (algorithm) {
        case NESTED_LOOP_JOIN:
          LOG.info("Join (" + plan.getPID() +") chooses [Nested Loop Join]");
          return new NLJoinExec(context, plan, leftExec, rightExec);
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  }

  private PhysicalExec createLeftOuterJoinPlan(TaskAttemptContext context, JoinNode plan,
                                               PhysicalExec leftExec, PhysicalExec rightExec) throws IOException {
    Enforcer enforcer = context.getEnforcer();
    EnforceProperty property = getAlgorithmEnforceProperty(enforcer, plan);
    if (property != null) {
      JoinAlgorithm algorithm = property.getJoin().getAlgorithm();
      switch (algorithm) {
        case IN_MEMORY_HASH_JOIN:
          LOG.info("Left Outer Join (" + plan.getPID() +") chooses [Hash Join].");
          return new HashLeftOuterJoinExec(context, plan, leftExec, rightExec);
        case NESTED_LOOP_JOIN:
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  }

  private PhysicalExec createRightOuterJoinPlan(TaskAttemptContext context, JoinNode plan,
                                                PhysicalExec leftExec, PhysicalExec rightExec) throws IOException {
    Enforcer enforcer = context.getEnforcer();
    EnforceProperty property = getAlgorithmEnforceProperty(enforcer, plan);
    if (property != null) {
      JoinAlgorithm algorithm = property.getJoin().getAlgorithm();
      switch (algorithm) {
        case IN_MEMORY_HASH_JOIN:
          LOG.info("Right Outer Join (" + plan.getPID() +") chooses [Hash Join].");
          return new HashLeftOuterJoinExec(context, plan, rightExec, leftExec);
        case MERGE_JOIN:
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  }

  private PhysicalExec createFullOuterJoinPlan(TaskAttemptContext context, JoinNode plan,
                                               PhysicalExec leftExec, PhysicalExec rightExec) throws IOException {
    Enforcer enforcer = context.getEnforcer();
    EnforceProperty property = getAlgorithmEnforceProperty(enforcer, plan);
    if (property != null) {
      JoinAlgorithm algorithm = property.getJoin().getAlgorithm();
      switch (algorithm) {
        case IN_MEMORY_HASH_JOIN:
          return createFullOuterHashJoinPlan(context, plan, leftExec, rightExec);

        case MERGE_JOIN:
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   *  Left semi join means that the left side is the IN side table, and the right side is the FROM side table.
   */
  private PhysicalExec createLeftSemiJoinPlan(TaskAttemptContext context, JoinNode plan,
                                              PhysicalExec leftExec, PhysicalExec rightExec) throws IOException {
    Enforcer enforcer = context.getEnforcer();
    EnforceProperty property = getAlgorithmEnforceProperty(enforcer, plan);
    if (property != null) {
      JoinAlgorithm algorithm = property.getJoin().getAlgorithm();
      switch (algorithm) {
        case IN_MEMORY_HASH_JOIN:
          LOG.info("Left Semi Join (" + plan.getPID() +") chooses [In Memory Hash Join].");
          return new HashLeftSemiJoinExec(context, plan, leftExec, rightExec);

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   *  Left semi join means that the left side is the FROM side table, and the right side is the IN side table.
   */
  private PhysicalExec createRightSemiJoinPlan(TaskAttemptContext context, JoinNode plan,
                                               PhysicalExec leftExec, PhysicalExec rightExec) throws IOException {
    Enforcer enforcer = context.getEnforcer();
    EnforceProperty property = getAlgorithmEnforceProperty(enforcer, plan);
    if (property != null) {
      JoinAlgorithm algorithm = property.getJoin().getAlgorithm();
      switch (algorithm) {
        case IN_MEMORY_HASH_JOIN:
          LOG.info("Left Semi Join (" + plan.getPID() +") chooses [In Memory Hash Join].");
          return new HashLeftSemiJoinExec(context, plan, rightExec, leftExec);

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   *  Left semi join means that the left side is the FROM side table, and the right side is the IN side table.
   */
  private PhysicalExec createLeftAntiJoinPlan(TaskAttemptContext context, JoinNode plan,
                                              PhysicalExec leftExec, PhysicalExec rightExec) throws IOException {
    Enforcer enforcer = context.getEnforcer();
    EnforceProperty property = getAlgorithmEnforceProperty(enforcer, plan);
    if (property != null) {
      JoinAlgorithm algorithm = property.getJoin().getAlgorithm();
      switch (algorithm) {
        case IN_MEMORY_HASH_JOIN:
          LOG.info("Left Semi Join (" + plan.getPID() +") chooses [In Memory Hash Join].");
          return new HashLeftAntiJoinExec(context, plan, leftExec, rightExec);

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   *  Left semi join means that the left side is the FROM side table, and the right side is the IN side table.
   */
  private PhysicalExec createRightAntiJoinPlan(TaskAttemptContext context, JoinNode plan,
                                               PhysicalExec leftExec, PhysicalExec rightExec) throws IOException {
    Enforcer enforcer = context.getEnforcer();
    EnforceProperty property = getAlgorithmEnforceProperty(enforcer, plan);
    if (property != null) {
      JoinAlgorithm algorithm = property.getJoin().getAlgorithm();
      switch (algorithm) {
        case IN_MEMORY_HASH_JOIN:
          LOG.info("Left Semi Join (" + plan.getPID() +") chooses [In Memory Hash Join].");
          return new HashLeftSemiJoinExec(context, plan, rightExec, leftExec);

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  private PhysicalExec createColumnPartitionStorePlan(TaskAttemptContext context,
                                                      StoreTableNode storeTableNode,
                                                      PhysicalExec child) throws IOException {
    Enforcer enforcer = context.getEnforcer();
    EnforceProperty property = getAlgorithmEnforceProperty(enforcer, storeTableNode);
    if (property != null) {
      ColumnPartitionAlgorithm algorithm = property.getColumnPartition().getAlgorithm();
      switch (algorithm) {
      case HASH_PARTITION:
        return createHashColumnPartitionStorePlan(context, storeTableNode, child);
      case SORT_PARTITION: // default algorithm
      default:
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