Examples with DoubleObjectInspector org.apache.hadoop.hive.serde2.objectinspector.primitive.DoubleObjectInspector used on opensource projects

Example 1 with DoubleObjectInspector

use of org.apache.hadoop.hive.serde2.objectinspector.primitive.DoubleObjectInspector in project hive by apache.

the class ColumnStatsTask method unpackStringStats.

private void unpackStringStats(ObjectInspector oi, Object o, String fName, ColumnStatisticsObj statsObj) {
    if (fName.equals("countnulls")) {
        long v = ((LongObjectInspector) oi).get(o);
        statsObj.getStatsData().getStringStats().setNumNulls(v);
    } else if (fName.equals("numdistinctvalues")) {
        long v = ((LongObjectInspector) oi).get(o);
        statsObj.getStatsData().getStringStats().setNumDVs(v);
    } else if (fName.equals("avglength")) {
        double d = ((DoubleObjectInspector) oi).get(o);
        statsObj.getStatsData().getStringStats().setAvgColLen(d);
    } else if (fName.equals("maxlength")) {
        long v = ((LongObjectInspector) oi).get(o);
        statsObj.getStatsData().getStringStats().setMaxColLen(v);
    } else if (fName.equals("ndvbitvector")) {
        PrimitiveObjectInspector poi = (PrimitiveObjectInspector) oi;
        String v = ((StringObjectInspector) poi).getPrimitiveJavaObject(o);
        statsObj.getStatsData().getStringStats().setBitVectors(v);
        ;
    }
}

Example 2 with DoubleObjectInspector

use of org.apache.hadoop.hive.serde2.objectinspector.primitive.DoubleObjectInspector in project SQLWindowing by hbutani.

the class WindowingKeySerializer method serialize.

/*
	 * copied from BinarySortableSerDe::serialize
	 */
static void serialize(OutputByteBuffer buffer, Object o, ObjectInspector oi, boolean invert) {
    // Is this field a null?
    if (o == null) {
        buffer.write((byte) 0, invert);
        return;
    }
    // This field is not a null.
    buffer.write((byte) 1, invert);
    switch(oi.getCategory()) {
        case PRIMITIVE:
            {
                PrimitiveObjectInspector poi = (PrimitiveObjectInspector) oi;
                switch(poi.getPrimitiveCategory()) {
                    case VOID:
                        {
                            return;
                        }
                    case BOOLEAN:
                        {
                            boolean v = ((BooleanObjectInspector) poi).get(o);
                            buffer.write((byte) (v ? 2 : 1), invert);
                            return;
                        }
                    case BYTE:
                        {
                            ByteObjectInspector boi = (ByteObjectInspector) poi;
                            byte v = boi.get(o);
                            buffer.write((byte) (v ^ 0x80), invert);
                            return;
                        }
                    case SHORT:
                        {
                            ShortObjectInspector spoi = (ShortObjectInspector) poi;
                            short v = spoi.get(o);
                            buffer.write((byte) ((v >> 8) ^ 0x80), invert);
                            buffer.write((byte) v, invert);
                            return;
                        }
                    case INT:
                        {
                            IntObjectInspector ioi = (IntObjectInspector) poi;
                            int v = ioi.get(o);
                            buffer.write((byte) ((v >> 24) ^ 0x80), invert);
                            buffer.write((byte) (v >> 16), invert);
                            buffer.write((byte) (v >> 8), invert);
                            buffer.write((byte) v, invert);
                            return;
                        }
                    case LONG:
                        {
                            LongObjectInspector loi = (LongObjectInspector) poi;
                            long v = loi.get(o);
                            buffer.write((byte) ((v >> 56) ^ 0x80), invert);
                            buffer.write((byte) (v >> 48), invert);
                            buffer.write((byte) (v >> 40), invert);
                            buffer.write((byte) (v >> 32), invert);
                            buffer.write((byte) (v >> 24), invert);
                            buffer.write((byte) (v >> 16), invert);
                            buffer.write((byte) (v >> 8), invert);
                            buffer.write((byte) v, invert);
                            return;
                        }
                    case FLOAT:
                        {
                            FloatObjectInspector foi = (FloatObjectInspector) poi;
                            int v = Float.floatToIntBits(foi.get(o));
                            if ((v & (1 << 31)) != 0) {
                                // negative number, flip all bits
                                v = ~v;
                            } else {
                                // positive number, flip the first bit
                                v = v ^ (1 << 31);
                            }
                            buffer.write((byte) (v >> 24), invert);
                            buffer.write((byte) (v >> 16), invert);
                            buffer.write((byte) (v >> 8), invert);
                            buffer.write((byte) v, invert);
                            return;
                        }
                    case DOUBLE:
                        {
                            DoubleObjectInspector doi = (DoubleObjectInspector) poi;
                            long v = Double.doubleToLongBits(doi.get(o));
                            if ((v & (1L << 63)) != 0) {
                                // negative number, flip all bits
                                v = ~v;
                            } else {
                                // positive number, flip the first bit
                                v = v ^ (1L << 63);
                            }
                            buffer.write((byte) (v >> 56), invert);
                            buffer.write((byte) (v >> 48), invert);
                            buffer.write((byte) (v >> 40), invert);
                            buffer.write((byte) (v >> 32), invert);
                            buffer.write((byte) (v >> 24), invert);
                            buffer.write((byte) (v >> 16), invert);
                            buffer.write((byte) (v >> 8), invert);
                            buffer.write((byte) v, invert);
                            return;
                        }
                    case STRING:
                        {
                            StringObjectInspector soi = (StringObjectInspector) poi;
                            Text t = soi.getPrimitiveWritableObject(o);
                            byte[] data = t.getBytes();
                            int length = t.getLength();
                            for (int i = 0; i < length; i++) {
                                if (data[i] == 0 || data[i] == 1) {
                                    buffer.write((byte) 1, invert);
                                    buffer.write((byte) (data[i] + 1), invert);
                                } else {
                                    buffer.write(data[i], invert);
                                }
                            }
                            buffer.write((byte) 0, invert);
                            return;
                        }
                    default:
                        {
                            throw new RuntimeException("Unrecognized type: " + poi.getPrimitiveCategory());
                        }
                }
            }
        default:
            {
                throw new RuntimeException("Unsupported type in WindowingKey : " + oi.getCategory());
            }
    }
}

Example 3 with DoubleObjectInspector

use of org.apache.hadoop.hive.serde2.objectinspector.primitive.DoubleObjectInspector in project hive by apache.

the class ObjectInspectorUtils method compare.

/**
 * Compare two objects with their respective ObjectInspectors.
 * if nullValueOpt is MAXVALUE, treat null as maximum value.
 * if nullValueOpt is MINVALUE, treat null as minimum value.
 */
public static int compare(Object o1, ObjectInspector oi1, Object o2, ObjectInspector oi2, MapEqualComparer mapEqualComparer, NullValueOption nullValueOpt) {
    if (oi1.getCategory() != oi2.getCategory()) {
        return oi1.getCategory().compareTo(oi2.getCategory());
    }
    int nullCmpRtn = -1;
    switch(nullValueOpt) {
        case MAXVALUE:
            nullCmpRtn = 1;
            break;
        case MINVALUE:
            nullCmpRtn = -1;
            break;
    }
    if (o1 == null) {
        return o2 == null ? 0 : nullCmpRtn;
    } else if (o2 == null) {
        return -nullCmpRtn;
    }
    switch(oi1.getCategory()) {
        case PRIMITIVE:
            {
                PrimitiveObjectInspector poi1 = ((PrimitiveObjectInspector) oi1);
                PrimitiveObjectInspector poi2 = ((PrimitiveObjectInspector) oi2);
                if (poi1.getPrimitiveCategory() != poi2.getPrimitiveCategory()) {
                    return poi1.getPrimitiveCategory().compareTo(poi2.getPrimitiveCategory());
                }
                switch(poi1.getPrimitiveCategory()) {
                    case VOID:
                        return 0;
                    case BOOLEAN:
                        {
                            int v1 = ((BooleanObjectInspector) poi1).get(o1) ? 1 : 0;
                            int v2 = ((BooleanObjectInspector) poi2).get(o2) ? 1 : 0;
                            return v1 - v2;
                        }
                    case BYTE:
                        {
                            int v1 = ((ByteObjectInspector) poi1).get(o1);
                            int v2 = ((ByteObjectInspector) poi2).get(o2);
                            return v1 - v2;
                        }
                    case SHORT:
                        {
                            int v1 = ((ShortObjectInspector) poi1).get(o1);
                            int v2 = ((ShortObjectInspector) poi2).get(o2);
                            return v1 - v2;
                        }
                    case INT:
                        {
                            int v1 = ((IntObjectInspector) poi1).get(o1);
                            int v2 = ((IntObjectInspector) poi2).get(o2);
                            return v1 > v2 ? 1 : (v1 < v2 ? -1 : 0);
                        }
                    case LONG:
                        {
                            long v1 = ((LongObjectInspector) poi1).get(o1);
                            long v2 = ((LongObjectInspector) poi2).get(o2);
                            return v1 > v2 ? 1 : (v1 < v2 ? -1 : 0);
                        }
                    case FLOAT:
                        {
                            float v1 = ((FloatObjectInspector) poi1).get(o1);
                            float v2 = ((FloatObjectInspector) poi2).get(o2);
                            // The IEEE 754 floating point spec specifies that signed -0.0 and 0.0 should be treated as equal.
                            if (v1 == 0.0f && v2 == 0.0f) {
                                return 0;
                            } else {
                                // Float.compare() treats -0.0 and 0.0 as different
                                return Float.compare(v1, v2);
                            }
                        }
                    case DOUBLE:
                        {
                            double v1 = ((DoubleObjectInspector) poi1).get(o1);
                            double v2 = ((DoubleObjectInspector) poi2).get(o2);
                            // The IEEE 754 floating point spec specifies that signed -0.0 and 0.0 should be treated as equal.
                            if (v1 == 0.0d && v2 == 0.0d) {
                                return 0;
                            } else {
                                // Double.compare() treats -0.0 and 0.0 as different
                                return Double.compare(v1, v2);
                            }
                        }
                    case STRING:
                        {
                            if (poi1.preferWritable() || poi2.preferWritable()) {
                                Text t1 = (Text) poi1.getPrimitiveWritableObject(o1);
                                Text t2 = (Text) poi2.getPrimitiveWritableObject(o2);
                                return t1 == null ? (t2 == null ? 0 : -1) : (t2 == null ? 1 : t1.compareTo(t2));
                            } else {
                                String s1 = (String) poi1.getPrimitiveJavaObject(o1);
                                String s2 = (String) poi2.getPrimitiveJavaObject(o2);
                                return s1 == null ? (s2 == null ? 0 : -1) : (s2 == null ? 1 : s1.compareTo(s2));
                            }
                        }
                    case CHAR:
                        {
                            HiveCharWritable t1 = ((HiveCharObjectInspector) poi1).getPrimitiveWritableObject(o1);
                            HiveCharWritable t2 = ((HiveCharObjectInspector) poi2).getPrimitiveWritableObject(o2);
                            return t1.compareTo(t2);
                        }
                    case VARCHAR:
                        {
                            HiveVarcharWritable t1 = ((HiveVarcharObjectInspector) poi1).getPrimitiveWritableObject(o1);
                            HiveVarcharWritable t2 = ((HiveVarcharObjectInspector) poi2).getPrimitiveWritableObject(o2);
                            return t1.compareTo(t2);
                        }
                    case BINARY:
                        {
                            BytesWritable bw1 = ((BinaryObjectInspector) poi1).getPrimitiveWritableObject(o1);
                            BytesWritable bw2 = ((BinaryObjectInspector) poi2).getPrimitiveWritableObject(o2);
                            return bw1.compareTo(bw2);
                        }
                    case DATE:
                        {
                            DateWritable d1 = ((DateObjectInspector) poi1).getPrimitiveWritableObject(o1);
                            DateWritable d2 = ((DateObjectInspector) poi2).getPrimitiveWritableObject(o2);
                            return d1.compareTo(d2);
                        }
                    case TIMESTAMP:
                        {
                            TimestampWritable t1 = ((TimestampObjectInspector) poi1).getPrimitiveWritableObject(o1);
                            TimestampWritable t2 = ((TimestampObjectInspector) poi2).getPrimitiveWritableObject(o2);
                            return t1.compareTo(t2);
                        }
                    case TIMESTAMPLOCALTZ:
                        {
                            TimestampLocalTZWritable tstz1 = ((TimestampLocalTZObjectInspector) poi1).getPrimitiveWritableObject(o1);
                            TimestampLocalTZWritable tstz2 = ((TimestampLocalTZObjectInspector) poi2).getPrimitiveWritableObject(o2);
                            return tstz1.compareTo(tstz2);
                        }
                    case INTERVAL_YEAR_MONTH:
                        {
                            HiveIntervalYearMonthWritable i1 = ((HiveIntervalYearMonthObjectInspector) poi1).getPrimitiveWritableObject(o1);
                            HiveIntervalYearMonthWritable i2 = ((HiveIntervalYearMonthObjectInspector) poi2).getPrimitiveWritableObject(o2);
                            return i1.compareTo(i2);
                        }
                    case INTERVAL_DAY_TIME:
                        {
                            HiveIntervalDayTimeWritable i1 = ((HiveIntervalDayTimeObjectInspector) poi1).getPrimitiveWritableObject(o1);
                            HiveIntervalDayTimeWritable i2 = ((HiveIntervalDayTimeObjectInspector) poi2).getPrimitiveWritableObject(o2);
                            return i1.compareTo(i2);
                        }
                    case DECIMAL:
                        {
                            HiveDecimalWritable t1 = ((HiveDecimalObjectInspector) poi1).getPrimitiveWritableObject(o1);
                            HiveDecimalWritable t2 = ((HiveDecimalObjectInspector) poi2).getPrimitiveWritableObject(o2);
                            return t1.compareTo(t2);
                        }
                    default:
                        {
                            throw new RuntimeException("Unknown type: " + poi1.getPrimitiveCategory());
                        }
                }
            }
        case STRUCT:
            {
                StructObjectInspector soi1 = (StructObjectInspector) oi1;
                StructObjectInspector soi2 = (StructObjectInspector) oi2;
                List<? extends StructField> fields1 = soi1.getAllStructFieldRefs();
                List<? extends StructField> fields2 = soi2.getAllStructFieldRefs();
                int minimum = Math.min(fields1.size(), fields2.size());
                for (int i = 0; i < minimum; i++) {
                    int r = compare(soi1.getStructFieldData(o1, fields1.get(i)), fields1.get(i).getFieldObjectInspector(), soi2.getStructFieldData(o2, fields2.get(i)), fields2.get(i).getFieldObjectInspector(), mapEqualComparer, nullValueOpt);
                    if (r != 0) {
                        return r;
                    }
                }
                return fields1.size() - fields2.size();
            }
        case LIST:
            {
                ListObjectInspector loi1 = (ListObjectInspector) oi1;
                ListObjectInspector loi2 = (ListObjectInspector) oi2;
                int minimum = Math.min(loi1.getListLength(o1), loi2.getListLength(o2));
                for (int i = 0; i < minimum; i++) {
                    int r = compare(loi1.getListElement(o1, i), loi1.getListElementObjectInspector(), loi2.getListElement(o2, i), loi2.getListElementObjectInspector(), mapEqualComparer, nullValueOpt);
                    if (r != 0) {
                        return r;
                    }
                }
                return loi1.getListLength(o1) - loi2.getListLength(o2);
            }
        case MAP:
            {
                if (mapEqualComparer == null) {
                    throw new RuntimeException("Compare on map type not supported!");
                } else {
                    return mapEqualComparer.compare(o1, (MapObjectInspector) oi1, o2, (MapObjectInspector) oi2);
                }
            }
        case UNION:
            {
                UnionObjectInspector uoi1 = (UnionObjectInspector) oi1;
                UnionObjectInspector uoi2 = (UnionObjectInspector) oi2;
                byte tag1 = uoi1.getTag(o1);
                byte tag2 = uoi2.getTag(o2);
                if (tag1 != tag2) {
                    return tag1 - tag2;
                }
                return compare(uoi1.getField(o1), uoi1.getObjectInspectors().get(tag1), uoi2.getField(o2), uoi2.getObjectInspectors().get(tag2), mapEqualComparer, nullValueOpt);
            }
        default:
            throw new RuntimeException("Compare on unknown type: " + oi1.getCategory());
    }
}

Example 4 with DoubleObjectInspector

use of org.apache.hadoop.hive.serde2.objectinspector.primitive.DoubleObjectInspector in project hive by apache.

the class SerDeUtils method buildJSONString.

static void buildJSONString(StringBuilder sb, Object o, ObjectInspector oi, String nullStr) {
    switch(oi.getCategory()) {
        case PRIMITIVE:
            {
                PrimitiveObjectInspector poi = (PrimitiveObjectInspector) oi;
                if (o == null) {
                    sb.append(nullStr);
                } else {
                    switch(poi.getPrimitiveCategory()) {
                        case BOOLEAN:
                            {
                                boolean b = ((BooleanObjectInspector) poi).get(o);
                                sb.append(b ? "true" : "false");
                                break;
                            }
                        case BYTE:
                            {
                                sb.append(((ByteObjectInspector) poi).get(o));
                                break;
                            }
                        case SHORT:
                            {
                                sb.append(((ShortObjectInspector) poi).get(o));
                                break;
                            }
                        case INT:
                            {
                                sb.append(((IntObjectInspector) poi).get(o));
                                break;
                            }
                        case LONG:
                            {
                                sb.append(((LongObjectInspector) poi).get(o));
                                break;
                            }
                        case FLOAT:
                            {
                                sb.append(((FloatObjectInspector) poi).get(o));
                                break;
                            }
                        case DOUBLE:
                            {
                                sb.append(((DoubleObjectInspector) poi).get(o));
                                break;
                            }
                        case STRING:
                            {
                                sb.append('"');
                                sb.append(escapeString(((StringObjectInspector) poi).getPrimitiveJavaObject(o)));
                                sb.append('"');
                                break;
                            }
                        case CHAR:
                            {
                                sb.append('"');
                                sb.append(escapeString(((HiveCharObjectInspector) poi).getPrimitiveJavaObject(o).toString()));
                                sb.append('"');
                                break;
                            }
                        case VARCHAR:
                            {
                                sb.append('"');
                                sb.append(escapeString(((HiveVarcharObjectInspector) poi).getPrimitiveJavaObject(o).toString()));
                                sb.append('"');
                                break;
                            }
                        case DATE:
                            {
                                sb.append('"');
                                sb.append(((DateObjectInspector) poi).getPrimitiveWritableObject(o));
                                sb.append('"');
                                break;
                            }
                        case TIMESTAMP:
                            {
                                sb.append('"');
                                sb.append(((TimestampObjectInspector) poi).getPrimitiveWritableObject(o));
                                sb.append('"');
                                break;
                            }
                        case TIMESTAMPLOCALTZ:
                            {
                                sb.append('"');
                                sb.append(((TimestampLocalTZObjectInspector) poi).getPrimitiveWritableObject(o));
                                sb.append('"');
                                break;
                            }
                        case BINARY:
                            {
                                BytesWritable bw = ((BinaryObjectInspector) oi).getPrimitiveWritableObject(o);
                                Text txt = new Text();
                                txt.set(bw.getBytes(), 0, bw.getLength());
                                sb.append(txt.toString());
                                break;
                            }
                        case DECIMAL:
                            {
                                sb.append(((HiveDecimalObjectInspector) oi).getPrimitiveJavaObject(o));
                                break;
                            }
                        case INTERVAL_YEAR_MONTH:
                            {
                                sb.append(((HiveIntervalYearMonthObjectInspector) oi).getPrimitiveJavaObject(o));
                                break;
                            }
                        case INTERVAL_DAY_TIME:
                            {
                                sb.append(((HiveIntervalDayTimeObjectInspector) oi).getPrimitiveJavaObject(o));
                                break;
                            }
                        default:
                            throw new RuntimeException("Unknown primitive type: " + poi.getPrimitiveCategory());
                    }
                }
                break;
            }
        case LIST:
            {
                ListObjectInspector loi = (ListObjectInspector) oi;
                ObjectInspector listElementObjectInspector = loi.getListElementObjectInspector();
                List<?> olist = loi.getList(o);
                if (olist == null) {
                    sb.append(nullStr);
                } else {
                    sb.append(LBRACKET);
                    for (int i = 0; i < olist.size(); i++) {
                        if (i > 0) {
                            sb.append(COMMA);
                        }
                        buildJSONString(sb, olist.get(i), listElementObjectInspector, JSON_NULL);
                    }
                    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(nullStr);
                } else {
                    sb.append(LBRACE);
                    boolean first = true;
                    for (Object entry : omap.entrySet()) {
                        if (first) {
                            first = false;
                        } else {
                            sb.append(COMMA);
                        }
                        Map.Entry<?, ?> e = (Map.Entry<?, ?>) entry;
                        buildJSONString(sb, e.getKey(), mapKeyObjectInspector, JSON_NULL);
                        sb.append(COLON);
                        buildJSONString(sb, e.getValue(), mapValueObjectInspector, JSON_NULL);
                    }
                    sb.append(RBRACE);
                }
                break;
            }
        case STRUCT:
            {
                StructObjectInspector soi = (StructObjectInspector) oi;
                List<? extends StructField> structFields = soi.getAllStructFieldRefs();
                if (o == null) {
                    sb.append(nullStr);
                } else {
                    sb.append(LBRACE);
                    for (int i = 0; i < structFields.size(); i++) {
                        if (i > 0) {
                            sb.append(COMMA);
                        }
                        sb.append(QUOTE);
                        sb.append(structFields.get(i).getFieldName());
                        sb.append(QUOTE);
                        sb.append(COLON);
                        buildJSONString(sb, soi.getStructFieldData(o, structFields.get(i)), structFields.get(i).getFieldObjectInspector(), JSON_NULL);
                    }
                    sb.append(RBRACE);
                }
                break;
            }
        case UNION:
            {
                UnionObjectInspector uoi = (UnionObjectInspector) oi;
                if (o == null) {
                    sb.append(nullStr);
                } else {
                    sb.append(LBRACE);
                    sb.append(uoi.getTag(o));
                    sb.append(COLON);
                    buildJSONString(sb, uoi.getField(o), uoi.getObjectInspectors().get(uoi.getTag(o)), JSON_NULL);
                    sb.append(RBRACE);
                }
                break;
            }
        default:
            throw new RuntimeException("Unknown type in ObjectInspector!");
    }
}

Example 5 with DoubleObjectInspector

use of org.apache.hadoop.hive.serde2.objectinspector.primitive.DoubleObjectInspector in project hive by apache.

the class LazyUtils method writePrimitive.

/**
 * Write out a binary representation of a PrimitiveObject to a byte stream.
 *
 * @param out ByteStream.Output, an unsynchronized version of ByteArrayOutputStream, used as a
 *            backing buffer for the the DataOutputStream
 * @param o the PrimitiveObject
 * @param oi the PrimitiveObjectInspector
 * @throws IOException on error during the write operation
 */
public static void writePrimitive(OutputStream out, Object o, PrimitiveObjectInspector oi) throws IOException {
    DataOutputStream dos = new DataOutputStream(out);
    try {
        switch(oi.getPrimitiveCategory()) {
            case BOOLEAN:
                boolean b = ((BooleanObjectInspector) oi).get(o);
                dos.writeBoolean(b);
                break;
            case BYTE:
                byte bt = ((ByteObjectInspector) oi).get(o);
                dos.writeByte(bt);
                break;
            case SHORT:
                short s = ((ShortObjectInspector) oi).get(o);
                dos.writeShort(s);
                break;
            case INT:
                int i = ((IntObjectInspector) oi).get(o);
                dos.writeInt(i);
                break;
            case LONG:
                long l = ((LongObjectInspector) oi).get(o);
                dos.writeLong(l);
                break;
            case FLOAT:
                float f = ((FloatObjectInspector) oi).get(o);
                dos.writeFloat(f);
                break;
            case DOUBLE:
                double d = ((DoubleObjectInspector) oi).get(o);
                dos.writeDouble(d);
                break;
            case BINARY:
                {
                    BytesWritable bw = ((BinaryObjectInspector) oi).getPrimitiveWritableObject(o);
                    out.write(bw.getBytes(), 0, bw.getLength());
                    break;
                }
            case DECIMAL:
                {
                    HiveDecimalWritable hdw = ((HiveDecimalObjectInspector) oi).getPrimitiveWritableObject(o);
                    hdw.write(dos);
                    break;
                }
            default:
                throw new RuntimeException("Hive internal error.");
        }
    } finally {
        // closing the underlying ByteStream should have no effect, the data should still be
        // accessible
        dos.close();
    }
}