Package org.apache.hadoop.hive.ql.plan

Examples of org.apache.hadoop.hive.ql.plan.mapredWork

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        auxJars = " -libjars " + auxJars + " ";
      } else {
        auxJars = " ";
      }

      mapredWork plan = getWork();

      File planFile = File.createTempFile("plan", ".xml");
      LOG.info("Generating plan file " + planFile.toString());
      FileOutputStream out = new FileOutputStream(planFile);
      Utilities.serializeMapRedWork(plan, out);
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    return true;
  }

  @Override
  public boolean hasReduce() {
    mapredWork w = getWork();
    return w.getReducer() != null;
  }
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    fieldNames = fieldNameArray.toArray(new String [0]);
  }

  public void configure(JobConf job) {
    jc = job;
    mapredWork gWork = Utilities.getMapRedWork(job);
    reducer = gWork.getReducer();
    reducer.setMapredWork(gWork);
    isTagged = gWork.getNeedsTagging();
    try {
      tableDesc keyTableDesc = gWork.getKeyDesc();
      inputKeyDeserializer = (SerDe)ReflectionUtils.newInstance(keyTableDesc.getDeserializerClass(), null);
      inputKeyDeserializer.initialize(null, keyTableDesc.getProperties());
      keyObjectInspector = inputKeyDeserializer.getObjectInspector();
      for(int tag=0; tag<gWork.getTagToValueDesc().size(); tag++) {
        // We should initialize the SerDe with the TypeInfo when available.
        tableDesc valueTableDesc = gWork.getTagToValueDesc().get(tag);
        inputValueDeserializer[tag] = (SerDe)ReflectionUtils.newInstance(valueTableDesc.getDeserializerClass(), null);
        inputValueDeserializer[tag].initialize(null, valueTableDesc.getProperties());
        valueObjectInspector[tag] = inputValueDeserializer[tag].getObjectInspector();
       
        ArrayList<ObjectInspector> ois = new ArrayList<ObjectInspector>();
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  public static final Log l4j = LogFactory.getLog("ExecMapper");
  private static boolean done;
 
  public void configure(JobConf job) {
    jc = job;
    mapredWork mrwork = Utilities.getMapRedWork(job);
    mo = new MapOperator ();
    mo.setConf(mrwork);
    // we don't initialize the operator until we have set the output collector
  }
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          throw new HiveException(e.getMessage(), e);
        }
      }
    }

    mapredWork plan = Utilities.deserializeMapRedWork(pathData);
    ExecDriver ed = new ExecDriver(plan, conf, isSilent);
    int ret = ed.execute();
    if (ret != 0) {
      System.out.println("Job Failed");
      System.exit(2);
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    return true;
  }

  @Override
  public boolean hasReduce() {
    mapredWork w = getWork();
    return w.getReducer() != null;
  }
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  private Map<String, partitionDesc> pathToPartitionInfo;

  protected void init(JobConf job) {
    mapredWork mrwork = Utilities.getMapRedWork(job);
    pathToPartitionInfo = mrwork.getPathToPartitionInfo();
  }
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  public static void initPlan(ReduceSinkOperator op, GenMRProcContext opProcCtx) throws SemanticException {
    Operator<? extends Serializable> reducer = op.getChildOperators().get(0);
    Map<Operator<? extends Serializable>, GenMapRedCtx> mapCurrCtx = opProcCtx.getMapCurrCtx();
    GenMapRedCtx mapredCtx = mapCurrCtx.get(op.getParentOperators().get(0));
    Task<? extends Serializable> currTask    = mapredCtx.getCurrTask();
    mapredWork plan = (mapredWork) currTask.getWork();
    HashMap<Operator<? extends Serializable>, Task<? extends Serializable>> opTaskMap = opProcCtx.getOpTaskMap();
    Operator<? extends Serializable> currTopOp = opProcCtx.getCurrTopOp();

    opTaskMap.put(reducer, currTask);
    plan.setReducer(reducer);
    reduceSinkDesc desc = (reduceSinkDesc)op.getConf();
   
    plan.setNumReduceTasks(desc.getNumReducers());

    List<Task<? extends Serializable>> rootTasks = opProcCtx.getRootTasks();

    rootTasks.add(currTask);
    if (reducer.getClass() == JoinOperator.class)
      plan.setNeedsTagging(true);

    assert currTopOp != null;
    List<Operator<? extends Serializable>> seenOps = opProcCtx.getSeenOps();
    String currAliasId = opProcCtx.getCurrAliasId();
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  public static void initUnionPlan(ReduceSinkOperator op, GenMRProcContext opProcCtx) throws SemanticException {
    Operator<? extends Serializable> reducer = op.getChildOperators().get(0);
    Map<Operator<? extends Serializable>, GenMapRedCtx> mapCurrCtx = opProcCtx.getMapCurrCtx();
    GenMapRedCtx mapredCtx = mapCurrCtx.get(op.getParentOperators().get(0));
    Task<? extends Serializable> currTask    = mapredCtx.getCurrTask();
    mapredWork plan = (mapredWork) currTask.getWork();
    HashMap<Operator<? extends Serializable>, Task<? extends Serializable>> opTaskMap = opProcCtx.getOpTaskMap();

    opTaskMap.put(reducer, currTask);
    plan.setReducer(reducer);
    reduceSinkDesc desc = (reduceSinkDesc)op.getConf();
   
    plan.setNumReduceTasks(desc.getNumReducers());

    List<Task<? extends Serializable>> rootTasks = opProcCtx.getRootTasks();

    //    rootTasks.add(currTask);
    if (reducer.getClass() == JoinOperator.class)
      plan.setNeedsTagging(true);

    initUnionPlan(opProcCtx, currTask);
  }
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  /*
   * It is a idempotent function to add various intermediate files as the source for the
   * union. The plan has already been created.
   */
  public static void initUnionPlan(GenMRProcContext opProcCtx, Task<? extends Serializable> currTask) {
    mapredWork plan = (mapredWork) currTask.getWork();
    UnionOperator currUnionOp = opProcCtx.getCurrUnionOp();
    assert currUnionOp != null;
    GenMRUnionCtx uCtx = opProcCtx.getUnionTask(currUnionOp);
    assert uCtx != null;

    List<String>    taskTmpDirLst = uCtx.getTaskTmpDir();
    List<tableDesc> tt_descLst    = uCtx.getTTDesc();
    assert !taskTmpDirLst.isEmpty() && !tt_descLst.isEmpty();
    assert taskTmpDirLst.size() == tt_descLst.size();
    int size = taskTmpDirLst.size();

    for (int pos = 0; pos < size; pos++) {
      String taskTmpDir = taskTmpDirLst.get(pos);
      tableDesc tt_desc = tt_descLst.get(pos);
      if (plan.getPathToAliases().get(taskTmpDir) == null) {
        plan.getPathToAliases().put(taskTmpDir, new ArrayList<String>());
        plan.getPathToAliases().get(taskTmpDir).add(taskTmpDir);
        plan.getPathToPartitionInfo().put(taskTmpDir, new partitionDesc(tt_desc, null));
        plan.getAliasToWork().put(taskTmpDir, currUnionOp);
      }
    }
  }
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Related Classes of org.apache.hadoop.hive.ql.plan.mapredWork

  • com.sap.hadoop.windowing.runtime2.mr.MRExecutor
  • com.twitter.ambrose.hive.HiveDAGTransformer
  • org.apache.hadoop.hive.ql.exec.ExecDriver
  • org.apache.hadoop.hive.ql.exec.ExecMapper
  • org.apache.hadoop.hive.ql.exec.ExecReducer
  • org.apache.hadoop.hive.ql.exec.MapRedTask
  • org.apache.hadoop.hive.ql.exec.MoveTask
  • org.apache.hadoop.hive.ql.exec.mr.ExecDriver
  • org.apache.hadoop.hive.ql.exec.mr.MapRedTask
  • org.apache.hadoop.hive.ql.exec.TestOperators
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