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

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

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

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

      ListObjectInspector loi = (ListObjectInspector)mainInspectableObject.oi;
      result.oi = loi.getListElementObjectInspector();
      result.o = loi.getListElement(mainInspectableObject.o, index);
    }
    else if (mainInspectableObject.oi.getCategory() == Category.MAP) {
      MapObjectInspector moi = (MapObjectInspector)mainInspectableObject.oi;
      result.oi = moi.getMapValueObjectInspector();
      result.o = moi.getMapValueElement(mainInspectableObject.o, indexInspectableObject.o);
    }
    else {
      // Should never happen because we checked this in SemanticAnalyzer.getXpathOrFuncExprNodeDesc
      throw new RuntimeException("Hive 2 Internal error: cannot evaluate index expression on "
          + mainInspectableObject.oi.getTypeName());

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          sb.append(RBRACKET);
        }
        break;
      }
      case MAP: {
        MapObjectInspector moi = (MapObjectInspector)oi;
        ObjectInspector mapKeyObjectInspector = moi.getMapKeyObjectInspector();
        ObjectInspector mapValueObjectInspector = moi.getMapValueObjectInspector();
        Map<?,?> omap = moi.getMap(o);
        if (omap == null) {
          sb.append("null");
        } else {
          sb.append(LBRACE);
          boolean first = true;

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        sb.append(RBRACKET);
      }
      break;
    }
    case MAP: {
      MapObjectInspector moi = (MapObjectInspector) oi;
      ObjectInspector mapKeyObjectInspector = moi.getMapKeyObjectInspector();
      ObjectInspector mapValueObjectInspector = moi
          .getMapValueObjectInspector();
      Map<?, ?> omap = moi.getMap(o);
      if (omap == null) {
        sb.append("null");
      } else {
        sb.append(LBRACE);
        boolean first = true;

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        }
        return false;
      }
    }
    case MAP: {
      MapObjectInspector moi = (MapObjectInspector) oi;
      ObjectInspector mapKeyObjectInspector = moi.getMapKeyObjectInspector();
      ObjectInspector mapValueObjectInspector = moi
          .getMapValueObjectInspector();
      Map<?, ?> omap = moi.getMap(o);
      if (omap == null) {
        return true;
      } else {
        // there are no elements in the map
        if (omap.entrySet().size() == 0) {

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                    generator.writeEndArray();
                }
                break;
            }
            case MAP: {
                MapObjectInspector mapInspector = (MapObjectInspector) objectInspector;
                Map<?, ?> objectMap = mapInspector.getMap(object);
                if (objectMap == null) {
                    generator.writeNull();
                }
                else {
                    generator.writeStartObject();
                    ObjectInspector keyInspector = mapInspector.getMapKeyObjectInspector();
                    checkState(keyInspector instanceof PrimitiveObjectInspector);
                    ObjectInspector valueInspector = mapInspector.getMapValueObjectInspector();
                    for (Map.Entry<?, ?> entry : objectMap.entrySet()) {
                        generator.writeFieldName(getPrimitiveAsString(entry.getKey(), (PrimitiveObjectInspector) keyInspector));
                        buildJsonString(generator, entry.getValue(), valueInspector);
                    }
                    generator.writeEndObject();

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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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    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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    Map<Integer, Integer> map = new HashMap<Integer,Integer>();
    map.put(1,2);
    map.put(2,4);
    map.put(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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    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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        sb.append(SerDeUtils.RBRACKET);
      }
      break;
    }
    case MAP: {
      MapObjectInspector moi = (MapObjectInspector) oi;
      ObjectInspector mapKeyObjectInspector = moi.getMapKeyObjectInspector();
      ObjectInspector mapValueObjectInspector = moi
          .getMapValueObjectInspector();
      Map<?, ?> omap = moi.getMap(o);
      if (omap == null) {
        sb.append("null");
      } else {
        sb.append(SerDeUtils.LBRACE);
        boolean first = true;

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