Examples with ListTypeInfo org.apache.hadoop.hive.serde2.typeinfo.ListTypeInfo used on opensource projects

Example 1 with ListTypeInfo

use of org.apache.hadoop.hive.serde2.typeinfo.ListTypeInfo in project presto by prestodb.

the class OrcTester method preprocessWriteValueOld.

private static Object preprocessWriteValueOld(TypeInfo typeInfo, Object value) {
    if (value == null) {
        return null;
    }
    switch(typeInfo.getCategory()) {
        case PRIMITIVE:
            PrimitiveObjectInspector.PrimitiveCategory primitiveCategory = ((PrimitiveTypeInfo) typeInfo).getPrimitiveCategory();
            switch(primitiveCategory) {
                case BOOLEAN:
                    return value;
                case BYTE:
                    return ((Number) value).byteValue();
                case SHORT:
                    return ((Number) value).shortValue();
                case INT:
                    return ((Number) value).intValue();
                case LONG:
                    return ((Number) value).longValue();
                case FLOAT:
                    return ((Number) value).floatValue();
                case DOUBLE:
                    return ((Number) value).doubleValue();
                case DECIMAL:
                    return HiveDecimal.create(((SqlDecimal) value).toBigDecimal());
                case STRING:
                    return value;
                case CHAR:
                    return new HiveChar(value.toString(), ((CharTypeInfo) typeInfo).getLength());
                case DATE:
                    int days = ((SqlDate) value).getDays();
                    LocalDate localDate = LocalDate.ofEpochDay(days);
                    ZonedDateTime zonedDateTime = localDate.atStartOfDay(ZoneId.systemDefault());
                    long millis = zonedDateTime.toEpochSecond() * 1000;
                    Date date = new Date(0);
                    // mills must be set separately to avoid masking
                    date.setTime(millis);
                    return date;
                case TIMESTAMP:
                    long millisUtc = (int) ((SqlTimestamp) value).getMillisUtc();
                    return new Timestamp(millisUtc);
                case BINARY:
                    return ((SqlVarbinary) value).getBytes();
            }
            break;
        case MAP:
            MapTypeInfo mapTypeInfo = (MapTypeInfo) typeInfo;
            TypeInfo keyTypeInfo = mapTypeInfo.getMapKeyTypeInfo();
            TypeInfo valueTypeInfo = mapTypeInfo.getMapValueTypeInfo();
            Map<Object, Object> newMap = new HashMap<>();
            for (Entry<?, ?> entry : ((Map<?, ?>) value).entrySet()) {
                newMap.put(preprocessWriteValueOld(keyTypeInfo, entry.getKey()), preprocessWriteValueOld(valueTypeInfo, entry.getValue()));
            }
            return newMap;
        case LIST:
            ListTypeInfo listTypeInfo = (ListTypeInfo) typeInfo;
            TypeInfo elementTypeInfo = listTypeInfo.getListElementTypeInfo();
            List<Object> newList = new ArrayList<>(((Collection<?>) value).size());
            for (Object element : (Iterable<?>) value) {
                newList.add(preprocessWriteValueOld(elementTypeInfo, element));
            }
            return newList;
        case STRUCT:
            StructTypeInfo structTypeInfo = (StructTypeInfo) typeInfo;
            List<?> fieldValues = (List<?>) value;
            List<TypeInfo> fieldTypeInfos = structTypeInfo.getAllStructFieldTypeInfos();
            List<Object> newStruct = new ArrayList<>();
            for (int fieldId = 0; fieldId < fieldValues.size(); fieldId++) {
                newStruct.add(preprocessWriteValueOld(fieldTypeInfos.get(fieldId), fieldValues.get(fieldId)));
            }
            return newStruct;
    }
    throw new PrestoException(NOT_SUPPORTED, format("Unsupported Hive type: %s", typeInfo));
}

Example 2 with ListTypeInfo

use of org.apache.hadoop.hive.serde2.typeinfo.ListTypeInfo in project hive by apache.

the class VectorRandomRowSource method getObjectInspector.

private ObjectInspector getObjectInspector(TypeInfo typeInfo) {
    final ObjectInspector objectInspector;
    switch(typeInfo.getCategory()) {
        case PRIMITIVE:
            {
                final PrimitiveTypeInfo primitiveType = (PrimitiveTypeInfo) typeInfo;
                objectInspector = PrimitiveObjectInspectorFactory.getPrimitiveWritableObjectInspector(primitiveType);
            }
            break;
        case MAP:
            {
                final MapTypeInfo mapType = (MapTypeInfo) typeInfo;
                final MapObjectInspector mapInspector = ObjectInspectorFactory.getStandardMapObjectInspector(getObjectInspector(mapType.getMapKeyTypeInfo()), getObjectInspector(mapType.getMapValueTypeInfo()));
                objectInspector = mapInspector;
            }
            break;
        case LIST:
            {
                final ListTypeInfo listType = (ListTypeInfo) typeInfo;
                final ListObjectInspector listInspector = ObjectInspectorFactory.getStandardListObjectInspector(getObjectInspector(listType.getListElementTypeInfo()));
                objectInspector = listInspector;
            }
            break;
        case STRUCT:
            {
                final StructTypeInfo structType = (StructTypeInfo) typeInfo;
                final List<TypeInfo> fieldTypes = structType.getAllStructFieldTypeInfos();
                final List<ObjectInspector> fieldInspectors = new ArrayList<ObjectInspector>();
                for (TypeInfo fieldType : fieldTypes) {
                    fieldInspectors.add(getObjectInspector(fieldType));
                }
                final StructObjectInspector structInspector = ObjectInspectorFactory.getStandardStructObjectInspector(structType.getAllStructFieldNames(), fieldInspectors);
                objectInspector = structInspector;
            }
            break;
        case UNION:
            {
                final UnionTypeInfo unionType = (UnionTypeInfo) typeInfo;
                final List<TypeInfo> fieldTypes = unionType.getAllUnionObjectTypeInfos();
                final List<ObjectInspector> fieldInspectors = new ArrayList<ObjectInspector>();
                for (TypeInfo fieldType : fieldTypes) {
                    fieldInspectors.add(getObjectInspector(fieldType));
                }
                final UnionObjectInspector unionInspector = ObjectInspectorFactory.getStandardUnionObjectInspector(fieldInspectors);
                objectInspector = unionInspector;
            }
            break;
        default:
            throw new RuntimeException("Unexpected category " + typeInfo.getCategory());
    }
    Preconditions.checkState(objectInspector != null);
    return objectInspector;
}

Example 3 with ListTypeInfo

use of org.apache.hadoop.hive.serde2.typeinfo.ListTypeInfo in project incubator-gobblin by apache.

the class HiveAvroORCQueryGenerator method escapeHiveType.

/**
 * Escape the Hive nested field names.
 * @param type Primitive or nested Hive type.
 * @return Escaped Hive nested field.
 */
public static String escapeHiveType(String type) {
    TypeInfo typeInfo = TypeInfoUtils.getTypeInfoFromTypeString(type);
    // Primitve
    if (ObjectInspector.Category.PRIMITIVE.equals(typeInfo.getCategory())) {
        return type;
    } else // List
    if (ObjectInspector.Category.LIST.equals(typeInfo.getCategory())) {
        ListTypeInfo listTypeInfo = (ListTypeInfo) typeInfo;
        return org.apache.hadoop.hive.serde.serdeConstants.LIST_TYPE_NAME + "<" + escapeHiveType(listTypeInfo.getListElementTypeInfo().getTypeName()) + ">";
    } else // Map
    if (ObjectInspector.Category.MAP.equals(typeInfo.getCategory())) {
        MapTypeInfo mapTypeInfo = (MapTypeInfo) typeInfo;
        return org.apache.hadoop.hive.serde.serdeConstants.MAP_TYPE_NAME + "<" + escapeHiveType(mapTypeInfo.getMapKeyTypeInfo().getTypeName()) + "," + escapeHiveType(mapTypeInfo.getMapValueTypeInfo().getTypeName()) + ">";
    } else // Struct
    if (ObjectInspector.Category.STRUCT.equals(typeInfo.getCategory())) {
        StructTypeInfo structTypeInfo = (StructTypeInfo) typeInfo;
        List<String> allStructFieldNames = structTypeInfo.getAllStructFieldNames();
        List<TypeInfo> allStructFieldTypeInfos = structTypeInfo.getAllStructFieldTypeInfos();
        StringBuilder sb = new StringBuilder();
        sb.append(serdeConstants.STRUCT_TYPE_NAME + "<");
        for (int i = 0; i < allStructFieldNames.size(); i++) {
            if (i > 0) {
                sb.append(",");
            }
            sb.append("`");
            sb.append(allStructFieldNames.get(i));
            sb.append("`");
            sb.append(":");
            sb.append(escapeHiveType(allStructFieldTypeInfos.get(i).getTypeName()));
        }
        sb.append(">");
        return sb.toString();
    } else // Union
    if (ObjectInspector.Category.UNION.equals(typeInfo.getCategory())) {
        UnionTypeInfo unionTypeInfo = (UnionTypeInfo) typeInfo;
        List<TypeInfo> allUnionObjectTypeInfos = unionTypeInfo.getAllUnionObjectTypeInfos();
        StringBuilder sb = new StringBuilder();
        sb.append(serdeConstants.UNION_TYPE_NAME + "<");
        for (int i = 0; i < allUnionObjectTypeInfos.size(); i++) {
            if (i > 0) {
                sb.append(",");
            }
            sb.append(escapeHiveType(allUnionObjectTypeInfos.get(i).getTypeName()));
        }
        sb.append(">");
        return sb.toString();
    } else {
        throw new RuntimeException("Unknown type encountered: " + type);
    }
}

Example 4 with ListTypeInfo

use of org.apache.hadoop.hive.serde2.typeinfo.ListTypeInfo in project cdap by caskdata.

the class ObjectDeserializer method deserializeList.

private Object deserializeList(Object listField, ListTypeInfo typeInfo, Schema elementSchema) throws NoSuchFieldException, IllegalAccessException {
    TypeInfo listElementType = typeInfo.getListElementTypeInfo();
    List<Object> hiveList = Lists.newArrayList();
    if (listField instanceof Collection) {
        for (Object obj : (Collection<?>) listField) {
            hiveList.add(deserializeField(obj, listElementType, elementSchema));
        }
    } else {
        for (int i = 0; i < Array.getLength(listField); i++) {
            hiveList.add(deserializeField(Array.get(listField, i), listElementType, elementSchema));
        }
    }
    return hiveList;
}

Example 5 with ListTypeInfo

use of org.apache.hadoop.hive.serde2.typeinfo.ListTypeInfo in project cdap by caskdata.

the class ObjectSerializer method serializeList.

private Object serializeList(List<Object> list, ListTypeInfo typeInfo) {
    // need to recurse since it may contain structs
    TypeInfo elementType = typeInfo.getListElementTypeInfo();
    List<Object> serialized = Lists.newArrayListWithCapacity(list.size());
    for (int i = 0; i < list.size(); i++) {
        serialized.add(i, serialize(list.get(i), elementType));
    }
    return serialized;
}