Examples of com.dyuproject.protostuff.me.CompareInputsTest$Deserializer

org.apache.hadoop.hive.serde2.Deserializer
Benchmark to compare the deserialization speed of 2 types. CodedInput and ByteArrayInput. @author David Yu @created Jun 22, 2010

    return createRowInspector(getStructOIFrom(partitionOI), partKeys);
  }


  private StructObjectInspector getRowInspectorFromPartitionedTable(TableDesc table)
      throws Exception {
    Deserializer serde = table.getDeserializerClass().newInstance();
    serde.initialize(job, table.getProperties());
    String pcols = table.getProperties().getProperty(
        org.apache.hadoop.hive.metastore.api.hive_metastoreConstants.META_TABLE_PARTITION_COLUMNS);
    String[] partKeys = pcols.trim().split("/");
    row[1] = null;
    return createRowInspector(getStructOIFrom(serde.getObjectInspector()), partKeys);
  }

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      }


      // Choose any partition. It's OI needs to be converted to the table OI
      // Whenever a new partition is being read, a new converter is being created
      PartitionDesc partition = listParts.get(0);
      Deserializer tblSerde = partition.getTableDesc().getDeserializerClass().newInstance();
      tblSerde.initialize(job, partition.getTableDesc().getProperties());


      partitionedTableOI = null;
      ObjectInspector tableOI = tblSerde.getObjectInspector();


      // Get the OI corresponding to all the partitions
      for (PartitionDesc listPart : listParts) {
        partition = listPart;
        Deserializer partSerde = listPart.getDeserializerClass().newInstance();
        partSerde.initialize(job, listPart.getOverlayedProperties());


        partitionedTableOI = ObjectInspectorConverters.getConvertedOI(
            partSerde.getObjectInspector(), tableOI, true);
        if (!partitionedTableOI.equals(tableOI)) {
          break;
        }
      }
      return getRowInspectorFromPartition(partition, partitionedTableOI);

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  public ArrayList<StructField> getFields() {


    ArrayList<StructField> fields = new ArrayList<StructField>();
    try {
      Deserializer decoder = getDeserializer();


      // Expand out all the columns of the table
      StructObjectInspector structObjectInspector = (StructObjectInspector) decoder
          .getObjectInspector();
      List<? extends StructField> fld_lst = structObjectInspector
          .getAllStructFieldRefs();
      for (StructField field : fld_lst) {
        fields.add(field);

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            tbl.getSd().getSerdeInfo().getSerializationLib());
        if (!getColsFromSerDe) {
          ret = tbl.getSd().getCols();
        } else {
          try {
            Deserializer s = MetaStoreUtils.getDeserializer(hiveConf, tbl);
            ret = MetaStoreUtils.getFieldsFromDeserializer(tableName, s);
          } catch (SerDeException e) {
            StringUtils.stringifyException(e);
            throw new MetaException(e.getMessage());
          }

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        int oldTag = newTagToOldTag[i];
        int childIndex = newTagToChildIndex[newTag];
        cntrs[newTag] = 0;
        nextCntrs[newTag] = 0;
        TableDesc keyTableDesc = conf.getKeysSerializeInfos().get(newTag);
        Deserializer inputKeyDeserializer = ReflectionUtils.newInstance(keyTableDesc
            .getDeserializerClass(), null);
        inputKeyDeserializer.initialize(null, keyTableDesc.getProperties());


        TableDesc valueTableDesc = conf.getValuesSerializeInfos().get(newTag);
        Deserializer inputValueDeserializer = ReflectionUtils.newInstance(valueTableDesc
            .getDeserializerClass(), null);
        inputValueDeserializer.initialize(null, valueTableDesc.getProperties());


        List<ObjectInspector> oi = new ArrayList<ObjectInspector>();
        oi.add(inputKeyDeserializer.getObjectInspector());
        oi.add(inputValueDeserializer.getObjectInspector());
        int childParentsCount = conf.getChildIndexToOriginalNumParents().get(childIndex);
        // Multiple newTags can point to the same child (e.g. when the child is a JoinOperator).
        // So, we first check if childInputObjInspectors contains the key of childIndex.
        if (childInputObjInspectors[childIndex] == null) {
          childInputObjInspectors[childIndex] = new ObjectInspector[childParentsCount];

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   */
  Operator genConversionSelectOperator(String dest, QB qb, Operator input,
      TableDesc table_desc, DynamicPartitionCtx dpCtx) throws SemanticException {
    StructObjectInspector oi = null;
    try {
      Deserializer deserializer = table_desc.getDeserializerClass()
          .newInstance();
      deserializer.initialize(conf, table_desc.getProperties());
      oi = (StructObjectInspector) deserializer.getObjectInspector();
    } catch (Exception e) {
      throw new SemanticException(e);
    }


    // Check column number

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  private ArrayList<ExprNodeDesc> genConvertCol(String dest, QB qb, Table tab,
      TableDesc table_desc, Operator input, List<Integer> posns, boolean convert)
      throws SemanticException {
    StructObjectInspector oi = null;
    try {
      Deserializer deserializer = table_desc.getDeserializerClass()
          .newInstance();
      deserializer.initialize(conf, table_desc.getProperties());
      oi = (StructObjectInspector) deserializer.getObjectInspector();
    } catch (Exception e) {
      throw new SemanticException(e);
    }


    List<? extends StructField> tableFields = oi.getAllStructFieldRefs();

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            tbl.getSd().getSerdeInfo().getSerializationLib());
        if (!getColsFromSerDe) {
          return tbl.getSd().getCols();
        } else {
          try {
            Deserializer s = MetaStoreUtils.getDeserializer(hiveConf, tbl);
            return MetaStoreUtils.getFieldsFromDeserializer(tableName, s);
          } catch (SerDeException e) {
            StringUtils.stringifyException(e);
            throw new MetaException(e.getMessage());
          }

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   */
  Operator genConversionSelectOperator(String dest, QB qb, Operator input,
      TableDesc table_desc, DynamicPartitionCtx dpCtx) throws SemanticException {
    StructObjectInspector oi = null;
    try {
      Deserializer deserializer = table_desc.getDeserializerClass()
          .newInstance();
      deserializer.initialize(conf, table_desc.getProperties());
      oi = (StructObjectInspector) deserializer.getObjectInspector();
    } catch (Exception e) {
      throw new SemanticException(e);
    }


    // Check column number

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  private ArrayList<ExprNodeDesc> genConvertCol(String dest, QB qb, Table tab, TableDesc table_desc, Operator input,
                                                List<Integer> posns, boolean convert) throws SemanticException {
    StructObjectInspector oi = null;
    try {
      Deserializer deserializer = table_desc.getDeserializerClass()
          .newInstance();
      deserializer.initialize(conf, table_desc.getProperties());
      oi = (StructObjectInspector) deserializer.getObjectInspector();
    } catch (Exception e) {
      throw new SemanticException(e);
    }


    List<? extends StructField> tableFields = oi.getAllStructFieldRefs();

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