Package org.apache.hadoop.hive.serde2

Examples of org.apache.hadoop.hive.serde2.SerDe.initialize()

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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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        serde.serialize(new StringRow("a"), inspector));
    writer.close(Reporter.NULL);
    serde = new OrcSerde();
    properties.setProperty("columns", "col");
    properties.setProperty("columns.types", "string");
    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);
    assertEquals(1, splits.length);
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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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    // 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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    }
    try {
      TableDesc keyTableDesc = conf.getKeyTblDesc();
      SerDe keySerde = (SerDe) ReflectionUtils.newInstance(keyTableDesc.getDeserializerClass(),
          null);
      keySerde.initialize(null, keyTableDesc.getProperties());
      MapJoinObjectSerDeContext keyContext = new MapJoinObjectSerDeContext(keySerde, false);
      for (Byte pos : order) {
        if (pos == posBigTableAlias) {
          continue;
        }
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          continue;
        }
        mapJoinTables[pos] = new HashMapWrapper(hashTableThreshold, hashTableLoadFactor);       
        TableDesc valueTableDesc = conf.getValueTblFilteredDescs().get(pos);
        SerDe valueSerDe = (SerDe) ReflectionUtils.newInstance(valueTableDesc.getDeserializerClass(), null);
        valueSerDe.initialize(null, valueTableDesc.getProperties());
        mapJoinTableSerdes[pos] = new MapJoinTableContainerSerDe(keyContext, new MapJoinObjectSerDeContext(
            valueSerDe, hasFilter(pos)));
      }
    } catch (SerDeException e) {
      throw new HiveException(e);
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    p.setProperty(org.apache.hadoop.hive.serde.serdeConstants.LIST_COLUMNS,
        serdePropsMap.get(org.apache.hadoop.hive.serde.serdeConstants.LIST_COLUMNS));
    p.setProperty(
        org.apache.hadoop.hive.serde.serdeConstants.LIST_COLUMN_TYPES,
        serdePropsMap.get(org.apache.hadoop.hive.serde.serdeConstants.LIST_COLUMN_TYPES));
    serDe.initialize(cfg, p);
    return serDe;
  }

  @SuppressWarnings({"unchecked"})
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