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

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

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          + " can only serialize struct types, but we got: "
          + objInspector.getTypeName());
    }

    // Prepare the field ObjectInspectors
    StructObjectInspector soi = (StructObjectInspector) objInspector;
    List<? extends StructField> fields = soi.getAllStructFieldRefs();
    List<Object> list = soi.getStructFieldsDataAsList(obj);
    List<? extends StructField> declaredFields =
      (serdeParams.getRowTypeInfo() != null &&
        ((StructTypeInfo) serdeParams.getRowTypeInfo())
        .getAllStructFieldNames().size() > 0) ?
      ((StructObjectInspector)getObjectInspector()).getAllStructFieldRefs()
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        return true;
      }

      case STRUCT: {
        char separator = (char)separators[level];
        StructObjectInspector soi = (StructObjectInspector)objInspector;
        List<? extends StructField> fields = soi.getAllStructFieldRefs();
        List<Object> list = soi.getStructFieldsDataAsList(obj);
        if (list == null) {
          return false;
        } else {
          for (int i = 0; i < list.size(); i++) {
            if (i > 0) {
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  public Writable serialize(Object obj, ObjectInspector objInspector)
    throws SerDeException {
    StringBuilder sb = new StringBuilder();
    try {

      StructObjectInspector soi = (StructObjectInspector) objInspector;
      List<? extends StructField> structFields = soi.getAllStructFieldRefs();
      assert (columnNames.size() == structFields.size());
      if (obj == null) {
        sb.append("null");
      } else {
        sb.append(SerDeUtils.LBRACE);
        for (int i = 0; i < structFields.size(); i++) {
          if (i > 0) {
            sb.append(SerDeUtils.COMMA);
          }
          sb.append(SerDeUtils.QUOTE);
          sb.append(columnNames.get(i));
          sb.append(SerDeUtils.QUOTE);
          sb.append(SerDeUtils.COLON);
          buildJSONString(sb, soi.getStructFieldData(obj, structFields.get(i)),
            structFields.get(i).getFieldObjectInspector());
        }
        sb.append(SerDeUtils.RBRACE);
      }
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        sb.append(SerDeUtils.RBRACE);
      }
      break;
    }
    case STRUCT: {
      StructObjectInspector soi = (StructObjectInspector) oi;
      List<? extends StructField> structFields = soi.getAllStructFieldRefs();
      if (o == null) {
        sb.append("null");
      } else {
        sb.append(SerDeUtils.LBRACE);
        for (int i = 0; i < structFields.size(); i++) {
          if (i > 0) {
            sb.append(SerDeUtils.COMMA);
          }
          sb.append(SerDeUtils.QUOTE);
          sb.append(structFields.get(i).getFieldName());
          sb.append(SerDeUtils.QUOTE);
          sb.append(SerDeUtils.COLON);
          buildJSONString(sb, soi.getStructFieldData(o, structFields.get(i)),
            structFields.get(i).getFieldObjectInspector());
        }
        sb.append(SerDeUtils.RBRACE);
      }
      break;
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      fieldNames.add(hcatFieldSchema.getName());
      fieldInspectors.add(getObjectInspector(type));
    }

    StructObjectInspector structInspector = ObjectInspectorFactory.
      getStandardStructObjectInspector(fieldNames, fieldInspectors);
    return structInspector;
  }
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      List<ObjectInspector> fieldInspectors = new ArrayList<ObjectInspector>();
      for (TypeInfo fieldType : fieldTypes) {
        fieldInspectors.add(getObjectInspector(fieldType));
      }

      StructObjectInspector structInspector = ObjectInspectorFactory.getStandardStructObjectInspector(
        structType.getAllStructFieldNames(), fieldInspectors);
      return structInspector;

    default:
      throw new IOException("Unknown field schema type");
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    MapredContext context = MapredContext.get();
    if (context != null) {
      context.setup(genericUDTF);
    }
    StructObjectInspector udtfOutputOI = genericUDTF.initialize(
        udtfInputOIs);
    if (conf.isOuterLV()) {
      outerObj = Arrays.asList(new Object[udtfOutputOI.getAllStructFieldRefs().size()]);
    }

    // Since we're passing the object output by the UDTF directly to the next
    // operator, we can use the same OI.
    outputObjInspector = udtfOutputOI;
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  }

  @Override
  public void processOp(Object row, int tag) throws HiveException {
    // The UDTF expects arguments in an object[]
    StructObjectInspector soi = (StructObjectInspector) inputObjInspectors[tag];
    List<? extends StructField> fields = soi.getAllStructFieldRefs();

    for (int i = 0; i < fields.size(); i++) {
      objToSendToUDTF[i] = soi.getStructFieldData(row, fields.get(i));
    }

    genericUDTF.process(objToSendToUDTF);
    if (conf.isOuterLV() && collector.getCounter() == 0) {
      collector.collect(outerObj);
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      } else {
        fieldOIs.add(wFnDef.getOI());
      }
    }
    PTFTranslator.addInputColumnsToList(inpShape, aliases, fieldOIs);
    StructObjectInspector wdwOutOI = ObjectInspectorFactory.getStandardStructObjectInspector(
        aliases, fieldOIs);
    tFn.setWdwProcessingOutputOI(wdwOutOI);
    RowResolver wdwOutRR = buildRowResolverForWindowing(wdwTFnDef);
    ShapeDetails wdwOutShape = setupShape(wdwOutOI, null, wdwOutRR);
    wdwTFnDef.setOutputShape(wdwOutShape);
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  private PTFQueryInputDef translate(PTFQueryInputSpec spec,
      int inpNum) throws SemanticException
  {
    PTFQueryInputDef def = new PTFQueryInputDef();
    StructObjectInspector oi = PTFTranslator.getStandardStructOI(inputRR);
    ShapeDetails shp = setupShape(oi, null, inputRR);
    def.setOutputShape(shp);
    def.setType(spec.getType());
    def.setAlias(spec.getSource() == null ? "ptf_" + inpNum : spec.getSource());
    return def;
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