Package org.apache.hadoop.hive.serde2.columnar

Examples of org.apache.hadoop.hive.serde2.columnar.ColumnarSerDe.initialize()


      } else {
        valueTableDesc = conf.getValueFilteredTblDescs().get(pos);
      }
      SerDe valueSerDe = (SerDe) ReflectionUtils.newInstance(valueTableDesc.getDeserializerClass(),
          null);
      valueSerDe.initialize(null, valueTableDesc.getProperties());
      MapJoinObjectSerDeContext valueContext = new MapJoinObjectSerDeContext(valueSerDe, hasFilter(pos));
      mapJoinTableSerdes[pos] = new MapJoinTableContainerSerDe(keyContext, valueContext);
    }
  }
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    // 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
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      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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    writer.write(serde.serialize(new MyRow(3,2), inspector));
    writer.close(true);
    serde = new OrcSerde();
    properties.setProperty("columns", "x,y");
    properties.setProperty("columns.types", "int:int");
    serde.initialize(conf, properties);
    assertEquals(OrcSerde.OrcSerdeRow.class, serde.getSerializedClass());
    inspector = (StructObjectInspector) serde.getObjectInspector();
    assertEquals("struct<x:int,y:int>", inspector.getTypeName());
    InputFormat<?,?> in = new OrcInputFormat();
    FileInputFormat.setInputPaths(conf, testFilePath.toString());
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        serde.serialize(new NestedRow(7,8,9), inspector));
    writer.close(Reporter.NULL);
    serde = new OrcSerde();
    properties.setProperty("columns", "z,r");
    properties.setProperty("columns.types", "int:struct<x:int,y:int>");
    serde.initialize(conf, properties);
    inspector = (StructObjectInspector) serde.getObjectInspector();
    InputFormat<?,?> in = new OrcInputFormat();
    FileInputFormat.setInputPaths(conf, testFilePath.toString());
    InputSplit[] splits = in.getSplits(conf, 1);
    assertEquals(1, splits.length);
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            properties, Reporter.NULL);
    writer.close(true);
    properties.setProperty("columns", "x,y");
    properties.setProperty("columns.types", "int:int");
    SerDe serde = new OrcSerde();
    serde.initialize(conf, properties);
    InputFormat<?,?> in = new OrcInputFormat();
    FileInputFormat.setInputPaths(conf, testFilePath.toString());
    InputSplit[] splits = in.getSplits(conf, 1);
    assertTrue(1 == splits.length);
    assertEquals(null, serde.getSerDeStats());
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    writer.write(serde.serialize(new StringRow("colin"), inspector));
    writer.write(serde.serialize(new StringRow("miles"), inspector));
    writer.close(true);
    serde = new OrcSerde();
    properties.setProperty("columns", "str,str2");
    serde.initialize(conf, properties);
    inspector = (StructObjectInspector) serde.getObjectInspector();
    assertEquals("struct<str:string,str2:string>", inspector.getTypeName());
    InputFormat<?,?> in = new OrcInputFormat();
    FileInputFormat.setInputPaths(conf, testFilePath.toString());
    InputSplit[] splits = in.getSplits(conf, 1);
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        if (firstRow) {
          metadataKeyTag = nextVal++;

          tableDesc keyTableDesc = conf.getKeyTblDesc();
          SerDe keySerializer = (SerDe)ReflectionUtils.newInstance(keyTableDesc.getDeserializerClass(), null);
          keySerializer.initialize(null, keyTableDesc.getProperties());

          mapMetadata.put(Integer.valueOf(metadataKeyTag),
              new MapJoinObjectCtx(
                  ObjectInspectorUtils.getStandardObjectInspector(keySerializer.getObjectInspector(),
                      ObjectInspectorCopyOption.WRITABLE),
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        if (metadataValueTag[tag] == -1) {
          metadataValueTag[tag] = nextVal++;
         
          tableDesc valueTableDesc = conf.getValueTblDescs().get(tag);
          SerDe valueSerDe = (SerDe)ReflectionUtils.newInstance(valueTableDesc.getDeserializerClass(), null);
          valueSerDe.initialize(null, valueTableDesc.getProperties());
         
          mapMetadata.put(Integer.valueOf(metadataValueTag[tag]),
                          new MapJoinObjectCtx(
                                ObjectInspectorUtils.getStandardObjectInspector(valueSerDe.getObjectInspector(),
                                  ObjectInspectorCopyOption.WRITABLE),
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    tableDesc desc = getSpillTableDesc(pos);
    if ( desc == null )
      return null;
    SerDe sd = (SerDe) ReflectionUtils.newInstance(desc.getDeserializerClass()null);
    try {
      sd.initialize(null, desc.getProperties());
    } catch (SerDeException e) {
      e.printStackTrace();
      return null;
    }
    return sd;
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