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

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

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      jc = new JobConf(hconf, ExecDriver.class);
    }
    HiveOutputFormat<?, ?> hiveOutputFormat = null;
    Class<? extends Writable> outputClass = null;
    boolean isCompressed = conf.getCompressed();
    TableDesc tableInfo = conf.getTableInfo();
    try {
      Serializer serializer = (Serializer) tableInfo.getDeserializerClass().newInstance();
      serializer.initialize(null, tableInfo.getProperties());
      outputClass = serializer.getSerializedClass();
      hiveOutputFormat = conf.getTableInfo().getOutputFileFormatClass().newInstance();
    } catch (SerDeException e) {
      throw new HiveException(e);
    } catch (InstantiationException e) {
      throw new HiveException(e);
    } catch (IllegalAccessException e) {
      throw new HiveException(e);
    }

    for (String p: paths) {
      Path path = new Path(p);
      RecordWriter writer = HiveFileFormatUtils.getRecordWriter(
          jc, hiveOutputFormat, outputClass, isCompressed, tableInfo.getProperties(), path);
      writer.close(false);
      LOG.info("created empty bucket for enforcing bucketing at " + path);
    }
  }
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  }

  public void generateMapMetaData() throws HiveException, SerDeException {
    // generate the meta data for key
    // index for key is -1
    TableDesc keyTableDesc = conf.getKeyTblDesc();
    SerDe keySerializer = (SerDe) ReflectionUtils.newInstance(keyTableDesc.getDeserializerClass(),
        null);
    keySerializer.initialize(null, keyTableDesc.getProperties());
    MapJoinMetaData.put(Integer.valueOf(metadataKeyTag), new HashTableSinkObjectCtx(
        ObjectInspectorUtils.getStandardObjectInspector(keySerializer.getObjectInspector(),
            ObjectInspectorCopyOption.WRITABLE), keySerializer, keyTableDesc, hconf));

    // index for values is just alias
    for (int tag = 0; tag < order.length; tag++) {
      int alias = (int) order[tag];

      if (alias == this.bigTableAlias) {
        continue;
      }


      TableDesc valueTableDesc = conf.getValueTblDescs().get(tag);
      SerDe valueSerDe = (SerDe) ReflectionUtils.newInstance(valueTableDesc.getDeserializerClass(),
          null);
      valueSerDe.initialize(null, valueTableDesc.getProperties());

      MapJoinMetaData.put(Integer.valueOf(alias), new HashTableSinkObjectCtx(ObjectInspectorUtils
          .getStandardObjectInspector(valueSerDe.getObjectInspector(),
              ObjectInspectorCopyOption.WRITABLE), valueSerDe, valueTableDesc, hconf));
    }
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    prop.setProperty(Constants.SERIALIZATION_NULL_FORMAT, " ");
    String[] colTypes = schema.split("#");
    prop.setProperty("columns", colTypes[0]);
    prop.setProperty("columns.types", colTypes[1]);

    FetchWork fetch = new FetchWork(ctx.getResFile().toString(), new TableDesc(
        LazySimpleSerDe.class, TextInputFormat.class,
        IgnoreKeyTextOutputFormat.class, prop), -1);
    fetch.setSerializationNullFormat(" ");
    return (FetchTask) TaskFactory.get(fetch, conf);
  }
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    Set<Path> poolSet = new HashSet<Path>();
    for (Path path : paths) {

      PartitionDesc part = HiveFileFormatUtils.getPartitionDescFromPathRecursively(
          pathToPartitionInfo, path, IOPrepareCache.get().allocatePartitionDescMap());
      TableDesc tableDesc = part.getTableDesc();
      if ((tableDesc != null) && tableDesc.isNonNative()) {
        return super.getSplits(job, numSplits);
      }

      // Use HiveInputFormat if any of the paths is not splittable
      Class inputFormatClass = part.getInputFileFormatClass();
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      }

      if (!readInputUnion) {
        GenMRMapJoinCtx mjCtx = opProcCtx.getMapJoinCtx(currMapJoinOp);
        String taskTmpDir;
        TableDesc tt_desc;
        Operator<? extends Serializable> rootOp;

        if (mjCtx.getOldMapJoin() == null || setReducer) {
          taskTmpDir = mjCtx.getTaskTmpDir();
          tt_desc = mjCtx.getTTDesc();
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    int size = taskTmpDirLst.size();
    assert local == false;

    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));
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        // In case of map-join followed by map-join, the file needs to be
        // obtained from the old map join
        AbstractMapJoinOperator<? extends MapJoinDesc> oldMapJoin = mjCtx.getOldMapJoin();
        String taskTmpDir = null;
        TableDesc tt_desc = null;
        Operator<? extends Serializable> rootOp = null;

        boolean local = ((pos == -1) || (pos == (mjOp.getConf())
            .getPosBigTable())) ? false : true;
        if (oldMapJoin == null) {
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    ArrayList<Path> partDir = new ArrayList<Path>();
    ArrayList<PartitionDesc> partDesc = new ArrayList<PartitionDesc>();

    Path tblDir = null;
    TableDesc tblDesc = null;

    PrunedPartitionList partsList = pList;

    if (partsList == null) {
      try {
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    // generate the temporary file
    Context baseCtx = parseCtx.getContext();
    String taskTmpDir = baseCtx.getMRTmpFileURI();

    Operator<? extends Serializable> parent = op.getParentOperators().get(posn);
    TableDesc tt_desc = PlanUtils.getIntermediateFileTableDesc(PlanUtils
        .getFieldSchemasFromRowSchema(parent.getSchema(), "temporarycol"));

    // Create a file sink operator for this file name
    boolean compressIntermediate = parseCtx.getConf().getBoolVar(
        HiveConf.ConfVars.COMPRESSINTERMEDIATE);
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      new HashMap<String, Task<? extends Serializable>>();
    List<Serializable> listWorks = new ArrayList<Serializable>();
    List<Task<? extends Serializable>> listTasks = new ArrayList<Task<? extends Serializable>>();
    MapredWork currPlan = (MapredWork) currTask.getWork();

    TableDesc keyTblDesc = (TableDesc) currPlan.getKeyDesc().clone();
    List<String> joinKeys = Utilities
        .getColumnNames(keyTblDesc.getProperties());
    List<String> joinKeyTypes = Utilities.getColumnTypes(keyTblDesc
        .getProperties());

    Map<Byte, TableDesc> tableDescList = new HashMap<Byte, TableDesc>();
    Map<Byte, List<ExprNodeDesc>> newJoinValues = new HashMap<Byte, List<ExprNodeDesc>>();
    Map<Byte, List<ExprNodeDesc>> newJoinKeys = new HashMap<Byte, List<ExprNodeDesc>>();
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