Package org.apache.hadoop.hive.serde2.objectinspector

Examples of org.apache.hadoop.hive.serde2.objectinspector.MapObjectInspector

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                  StreamFactory writer,
                  boolean nullable, Configuration conf,
                  boolean useVInts, boolean lowMemoryMode,
                  MemoryEstimate memoryEstimate) throws IOException {
      super(columnId, inspector, writer, nullable, conf, useVInts, memoryEstimate);
      MapObjectInspector insp = (MapObjectInspector) inspector;
      childrenWriters = new TreeWriter[2];
      childrenWriters[0] =
        createTreeWriter(insp.getMapKeyObjectInspector(), writer, true, conf, useVInts,
            lowMemoryMode, memoryEstimate);
      childrenWriters[1] =
        createTreeWriter(insp.getMapValueObjectInspector(), writer, true, conf, useVInts,
            lowMemoryMode, memoryEstimate);
      lengths =
        new RunLengthIntegerWriter(writer.createStream(columnId,
            OrcProto.Stream.Kind.LENGTH), false, INT_BYTE_SIZE, useVInts);
      recordPosition(rowIndexPosition);
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    @Override
    void write(Object obj) throws IOException {
      long rawDataSize = 0;
      if (obj != null) {
        MapObjectInspector insp = (MapObjectInspector) inspector;
        // this sucks, but it will have to do until we can get a better
        // accessor in the MapObjectInspector.
        Map<?, ?> valueMap = insp.getMap(obj);
        // Don't use getMapSize(), it's inconsistent for some object inspectors
        int len = valueMap.size();
        lengths.write(len);
        for(Map.Entry<?, ?> entry: valueMap.entrySet()) {
          childrenWriters[0].write(entry.getKey());
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    List<? extends StructField> inFields = inner.getAllStructFieldRefs();
    IntObjectInspector inner_in = (IntObjectInspector) inFields.get(0).getFieldObjectInspector();
    StringObjectInspector inner_st = (StringObjectInspector) inFields.get(1).getFieldObjectInspector();
    ListObjectInspector li = (ListObjectInspector) readerInspector.
        getStructFieldRef("list").getFieldObjectInspector();
    MapObjectInspector ma = (MapObjectInspector) readerInspector.
        getStructFieldRef("map").getFieldObjectInspector();
    StructObjectInspector lc = (StructObjectInspector)
        li.getListElementObjectInspector();
    StringObjectInspector mk = (StringObjectInspector)
        ma.getMapKeyObjectInspector();
    StructObjectInspector mv = (StructObjectInspector)
        ma.getMapValueObjectInspector();
    RecordReader rows = reader.rows(null);
    Object row = rows.next(null);
    assertNotNull(row);
    // check the contents of the first row
    assertEquals(false,
        bo.get(readerInspector.getStructFieldData(row, fields.get(0))));
    assertEquals(1, by.get(readerInspector.getStructFieldData(row,
        fields.get(1))));
    assertEquals(1024, sh.get(readerInspector.getStructFieldData(row,
        fields.get(2))));
    assertEquals(65536, in.get(readerInspector.getStructFieldData(row,
        fields.get(3))));
    assertEquals(Long.MAX_VALUE, lo.get(readerInspector.
        getStructFieldData(row, fields.get(4))));
    assertEquals(1.0, fl.get(readerInspector.getStructFieldData(row,
        fields.get(5))), 0.00001);
    assertEquals(-15.0, dbl.get(readerInspector.getStructFieldData(row,
        fields.get(6))), 0.00001);
    assertEquals(bytes(0,1,2,3,4), bi.getPrimitiveWritableObject(
        readerInspector.getStructFieldData(row, fields.get(7))));
    assertEquals("hi", st.getPrimitiveJavaObject(readerInspector.
        getStructFieldData(row, fields.get(8))));
    List<?> midRow = midli.getList(mid.getStructFieldData(readerInspector.
        getStructFieldData(row, fields.get(9)), midFields.get(0)));
    assertNotNull(midRow);
    assertEquals(2, midRow.size());
    assertEquals(1, inner_in.get(inner.getStructFieldData(midRow.get(0),
        inFields.get(0))));
    assertEquals("bye", inner_st.getPrimitiveJavaObject(inner.getStructFieldData
        (midRow.get(0), inFields.get(1))));
    assertEquals(2, inner_in.get(inner.getStructFieldData(midRow.get(1),
        inFields.get(0))));
    assertEquals("sigh", inner_st.getPrimitiveJavaObject(inner.getStructFieldData
        (midRow.get(1), inFields.get(1))));
    List<?> list = li.getList(readerInspector.getStructFieldData(row,
        fields.get(10)));
    assertEquals(2, list.size());
    assertEquals(3, inner_in.get(inner.getStructFieldData(list.get(0),
        inFields.get(0))));
    assertEquals("good", inner_st.getPrimitiveJavaObject(inner.getStructFieldData
        (list.get(0), inFields.get(1))));
    assertEquals(4, inner_in.get(inner.getStructFieldData(list.get(1),
        inFields.get(0))));
    assertEquals("bad", inner_st.getPrimitiveJavaObject(inner.getStructFieldData
        (list.get(1), inFields.get(1))));
    Map<?,?> map = ma.getMap(readerInspector.getStructFieldData(row,
        fields.get(11)));
    assertEquals(0, map.size());

    // check the contents of second row
    assertEquals(true, rows.hasNext());
    row = rows.next(row);
    assertEquals(true,
        bo.get(readerInspector.getStructFieldData(row, fields.get(0))));
    assertEquals(100, by.get(readerInspector.getStructFieldData(row,
        fields.get(1))));
    assertEquals(2048, sh.get(readerInspector.getStructFieldData(row,
        fields.get(2))));
    assertEquals(65536, in.get(readerInspector.getStructFieldData(row,
        fields.get(3))));
    assertEquals(Long.MAX_VALUE, lo.get(readerInspector.
        getStructFieldData(row, fields.get(4))));
    assertEquals(2.0, fl.get(readerInspector.getStructFieldData(row,
        fields.get(5))), 0.00001);
    assertEquals(-5.0, dbl.get(readerInspector.getStructFieldData(row,
        fields.get(6))), 0.00001);
    assertEquals(bytes(), bi.getPrimitiveWritableObject(
        readerInspector.getStructFieldData(row, fields.get(7))));
    assertEquals("bye", st.getPrimitiveJavaObject(readerInspector.
        getStructFieldData(row, fields.get(8))));
    midRow = midli.getList(mid.getStructFieldData(readerInspector.
        getStructFieldData(row, fields.get(9)), midFields.get(0)));
    assertNotNull(midRow);
    assertEquals(2, midRow.size());
    assertEquals(1, inner_in.get(inner.getStructFieldData(midRow.get(0),
        inFields.get(0))));
    assertEquals("bye", inner_st.getPrimitiveJavaObject(inner.getStructFieldData
        (midRow.get(0), inFields.get(1))));
    assertEquals(2, inner_in.get(inner.getStructFieldData(midRow.get(1),
        inFields.get(0))));
    assertEquals("sigh", inner_st.getPrimitiveJavaObject(inner.getStructFieldData
        (midRow.get(1), inFields.get(1))));
    list = li.getList(readerInspector.getStructFieldData(row,
        fields.get(10)));
    assertEquals(3, list.size());
    assertEquals(100000000, inner_in.get(inner.getStructFieldData(list.get(0),
        inFields.get(0))));
    assertEquals("cat", inner_st.getPrimitiveJavaObject(inner.getStructFieldData
        (list.get(0), inFields.get(1))));
    assertEquals(-100000, inner_in.get(inner.getStructFieldData(list.get(1),
        inFields.get(0))));
    assertEquals("in", inner_st.getPrimitiveJavaObject(inner.getStructFieldData
        (list.get(1), inFields.get(1))));
    assertEquals(1234, inner_in.get(inner.getStructFieldData(list.get(2),
        inFields.get(0))));
    assertEquals("hat", inner_st.getPrimitiveJavaObject(inner.getStructFieldData
        (list.get(2), inFields.get(1))));
    map = ma.getMap(readerInspector.getStructFieldData(row,
        fields.get(11)));
    assertEquals(2, map.size());
    boolean[] found = new boolean[2];
    for(Object key: map.keySet()) {
      String str = mk.getPrimitiveJavaObject(key);
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    assertEquals(13, listOI.getListLength(list));

    final Map<Integer, Integer> map = ImmutableMap.of(1,2,
                                                2,4,
                                                3,6);
    MapObjectInspector mapOI = (MapObjectInspector)
        inspector.getAllStructFieldRefs().get(10).getFieldObjectInspector();
    assertEquals(3, mapOI.getMapSize(map));
    assertEquals(4, mapOI.getMapValueElement(map, 2));
  }
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          && names[i].equalsIgnoreCase("$elem$")) {
        ListObjectInspector loi = (ListObjectInspector) oi;
        oi = loi.getListElementObjectInspector();
      } else if (oi instanceof MapObjectInspector
          && names[i].equalsIgnoreCase("$key$")) {
        MapObjectInspector moi = (MapObjectInspector) oi;
        oi = moi.getMapKeyObjectInspector();
      } else if (oi instanceof MapObjectInspector
          && names[i].equalsIgnoreCase("$value$")) {
        MapObjectInspector moi = (MapObjectInspector) oi;
        oi = moi.getMapValueObjectInspector();
      } else {
        throw new MetaException("Unknown type for " + names[i]);
      }
    }
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          .getListTypeInfo(getTypeInfoFromObjectInspector(loi
          .getListElementObjectInspector()));
      break;
    }
    case MAP: {
      MapObjectInspector moi = (MapObjectInspector) oi;
      result = TypeInfoFactory.getMapTypeInfo(
          getTypeInfoFromObjectInspector(moi.getMapKeyObjectInspector()),
          getTypeInfoFromObjectInspector(moi.getMapValueObjectInspector()));
      break;
    }
    case STRUCT: {
      StructObjectInspector soi = (StructObjectInspector) oi;
      List<? extends StructField> fields = soi.getAllStructFieldRefs();
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      return PrimitiveObjectInspectorFactory.
        getPrimitiveJavaObjectInspector(primitiveType.getPrimitiveCategory());

    case MAP :
      MapTypeInfo mapType = (MapTypeInfo) type;
      MapObjectInspector mapInspector = ObjectInspectorFactory.getStandardMapObjectInspector(
          getObjectInspector(mapType.getMapKeyTypeInfo()), getObjectInspector(mapType.getMapValueTypeInfo()));
      return mapInspector;

    case LIST :
      ListTypeInfo listType = (ListTypeInfo) type;
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    case PRIMITIVE:
      return ((PrimitiveObjectInspector)oi).getPrimitiveJavaObject(data);

    case MAP:
      MapObjectInspector moi = (MapObjectInspector)oi;
      Map<?,?> lazyMap = moi.getMap(data);
      ObjectInspector keyOI = moi.getMapKeyObjectInspector();
      ObjectInspector valOI = moi.getMapValueObjectInspector();
      Map<Object,Object> typedMap = new HashMap<Object,Object>(lazyMap.size());
      for(Entry<?,?> e : lazyMap.entrySet()){
        typedMap.put(getTypedObj(e.getKey(), keyOI), getTypedObj(e.getValue(), valOI));
      }
      return typedMap;
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      else if (oi instanceof ListObjectInspector && names[i].equalsIgnoreCase("$elem$")) {
        ListObjectInspector loi = (ListObjectInspector)oi;
        oi = loi.getListElementObjectInspector();
      }
      else if (oi instanceof MapObjectInspector && names[i].equalsIgnoreCase("$key$")) {
        MapObjectInspector moi = (MapObjectInspector)oi;
        oi = moi.getMapKeyObjectInspector();
      }
      else if (oi instanceof MapObjectInspector && names[i].equalsIgnoreCase("$value$")) {
        MapObjectInspector moi = (MapObjectInspector)oi;
        oi = moi.getMapValueObjectInspector();
       }
      else {
        throw new MetaException("Unknown type for " + names[i]);
      }
    }
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        result = TypeInfoFactory.getListTypeInfo(
            getTypeInfoFromObjectInspector(loi.getListElementObjectInspector()));
        break;
      }
      case MAP: {
        MapObjectInspector moi = (MapObjectInspector)oi;
        result = TypeInfoFactory.getMapTypeInfo(
            getTypeInfoFromObjectInspector(moi.getMapKeyObjectInspector()),
            getTypeInfoFromObjectInspector(moi.getMapValueObjectInspector()));
        break;
      }
      case STRUCT: {
        StructObjectInspector soi = (StructObjectInspector)oi;
        List<? extends StructField> fields = soi.getAllStructFieldRefs();
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