Examples of JoinAlgorithm

Examples of org.apache.tajo.ipc.TajoWorkerProtocol.JoinEnforce.JoinAlgorithm

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                                           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);
        case BLOCK_NESTED_LOOP_JOIN:
          LOG.info("Join (" + plan.getPID() +") chooses [Block Nested Loop Join]");
          return new BNLJoinExec(context, plan, leftExec, rightExec);
        default:
          // fallback algorithm
          LOG.error("Invalid Cross Join Algorithm Enforcer: " + algorithm.name());
          return new BNLJoinExec(context, plan, leftExec, rightExec);
      }

    } else {
      return new BNLJoinExec(context, plan, leftExec, rightExec);
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Examples of org.apache.tajo.ipc.TajoWorkerProtocol.JoinEnforce.JoinAlgorithm

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                                           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);
        case BLOCK_NESTED_LOOP_JOIN:
          LOG.info("Join (" + plan.getPID() +") chooses [Block Nested Loop Join]");
          return new BNLJoinExec(context, plan, leftExec, rightExec);
        case IN_MEMORY_HASH_JOIN:
          LOG.info("Join (" + plan.getPID() +") chooses [In-memory Hash Join]");
          return new HashJoinExec(context, plan, leftExec, rightExec);
        case MERGE_JOIN:
          LOG.info("Join (" + plan.getPID() +") chooses [Sort Merge Join]");
          return createMergeInnerJoin(context, plan, leftExec, rightExec);
        case HYBRID_HASH_JOIN:

        default:
          LOG.error("Invalid Inner Join Algorithm Enforcer: " + algorithm.name());
          LOG.error("Choose a fallback inner join algorithm: " + JoinAlgorithm.MERGE_JOIN.name());
          return createMergeInnerJoin(context, plan, leftExec, rightExec);
      }

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Examples of org.apache.tajo.ipc.TajoWorkerProtocol.JoinEnforce.JoinAlgorithm

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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:
          //the right operand is too large, so we opt for NL implementation of left outer join
          LOG.info("Left Outer Join (" + plan.getPID() +") chooses [Nested Loop Join].");
          return new NLLeftOuterJoinExec(context, plan, leftExec, rightExec);
        default:
          LOG.error("Invalid Left Outer Join Algorithm Enforcer: " + algorithm.name());
          LOG.error("Choose a fallback inner join algorithm: " + JoinAlgorithm.IN_MEMORY_HASH_JOIN.name());
          return new HashLeftOuterJoinExec(context, plan, leftExec, rightExec);
      }
    } else {
      return createBestLeftOuterJoinPlan(context, plan, leftExec, rightExec);
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Examples of org.apache.tajo.ipc.TajoWorkerProtocol.JoinEnforce.JoinAlgorithm

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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:
          return createRightOuterMergeJoinPlan(context, plan, leftExec, rightExec);
        default:
          LOG.error("Invalid Right Outer Join Algorithm Enforcer: " + algorithm.name());
          LOG.error("Choose a fallback merge join algorithm: " + JoinAlgorithm.MERGE_JOIN.name());
          return createRightOuterMergeJoinPlan(context, plan, leftExec, rightExec);
      }
    } else {
      return createBestRightJoinPlan(context, plan, leftExec, rightExec);
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Examples of org.apache.tajo.ipc.TajoWorkerProtocol.JoinEnforce.JoinAlgorithm

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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:
          return createFullOuterMergeJoinPlan(context, plan, leftExec, rightExec);

        default:
          LOG.error("Invalid Full Outer Join Algorithm Enforcer: " + algorithm.name());
          LOG.error("Choose a fallback merge join algorithm: " + JoinAlgorithm.MERGE_JOIN.name());
          return createFullOuterMergeJoinPlan(context, plan, leftExec, rightExec);
      }
    } else {
      return createBestFullOuterJoinPlan(context, plan, leftExec, rightExec);
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Examples of org.apache.tajo.ipc.TajoWorkerProtocol.JoinEnforce.JoinAlgorithm

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  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);

        default:
          LOG.error("Invalid Left Semi Join Algorithm Enforcer: " + algorithm.name());
          LOG.error("Choose a fallback inner join algorithm: " + JoinAlgorithm.IN_MEMORY_HASH_JOIN.name());
          return new HashLeftOuterJoinExec(context, plan, leftExec, rightExec);
      }
    } else {
      LOG.info("Left Semi Join (" + plan.getPID() +") chooses [In Memory Hash Join].");
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Examples of org.apache.tajo.ipc.TajoWorkerProtocol.JoinEnforce.JoinAlgorithm

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  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);

        default:
          LOG.error("Invalid Left Semi Join Algorithm Enforcer: " + algorithm.name());
          LOG.error("Choose a fallback inner join algorithm: " + JoinAlgorithm.IN_MEMORY_HASH_JOIN.name());
          return new HashLeftOuterJoinExec(context, plan, rightExec, leftExec);
      }
    } else {
      LOG.info("Left Semi Join (" + plan.getPID() +") chooses [In Memory Hash Join].");
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Examples of org.apache.tajo.ipc.TajoWorkerProtocol.JoinEnforce.JoinAlgorithm

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  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);

        default:
          LOG.error("Invalid Left Semi Join Algorithm Enforcer: " + algorithm.name());
          LOG.error("Choose a fallback inner join algorithm: " + JoinAlgorithm.IN_MEMORY_HASH_JOIN.name());
          return new HashLeftAntiJoinExec(context, plan, leftExec, rightExec);
      }
    } else {
      LOG.info("Left Semi Join (" + plan.getPID() +") chooses [In Memory Hash Join].");
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Examples of org.apache.tajo.ipc.TajoWorkerProtocol.JoinEnforce.JoinAlgorithm

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  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);

        default:
          LOG.error("Invalid Left Semi Join Algorithm Enforcer: " + algorithm.name());
          LOG.error("Choose a fallback inner join algorithm: " + JoinAlgorithm.IN_MEMORY_HASH_JOIN.name());
          return new HashLeftOuterJoinExec(context, plan, rightExec, leftExec);
      }
    } else {
      LOG.info("Left Semi Join (" + plan.getPID() +") chooses [In Memory Hash Join].");
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Examples of org.apache.tajo.ipc.TajoWorkerProtocol.JoinEnforce.JoinAlgorithm

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                                           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);
        case BLOCK_NESTED_LOOP_JOIN:
          LOG.info("Join (" + plan.getPID() +") chooses [Block Nested Loop Join]");
          return new BNLJoinExec(context, plan, leftExec, rightExec);
        default:
          // fallback algorithm
          LOG.error("Invalid Cross Join Algorithm Enforcer: " + algorithm.name());
          return new BNLJoinExec(context, plan, leftExec, rightExec);
      }

    } else {
      return new BNLJoinExec(context, plan, leftExec, rightExec);
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