Program: 15799
Project: 15799
Buggy source:
/** 
 * Append a value.
 * @param v the value
 */
public void writeValue(Value v){
  int start=pos;
  if (v == ValueNull.INSTANCE) {
    data[pos++]=0;
    return;
  }
  int type=v.getType();
switch (type) {
case Value.BOOLEAN:
    writeByte((byte)(v.getBoolean().booleanValue() ? BOOLEAN_TRUE : BOOLEAN_FALSE));
  break;
case Value.BYTE:
writeByte((byte)type);
writeByte(v.getByte());
break;
case Value.SHORT:
writeByte((byte)type);
writeShortInt(v.getShort());
break;
case Value.INT:
{
int x=v.getInt();
if (x < 0) {
writeByte((byte)INT_NEG);
writeVarInt(-x);
}
 else if (x < 16) {
writeByte((byte)(INT_0_15 + x));
}
 else {
writeByte((byte)type);
writeVarInt(x);
}
break;
}
case Value.LONG:
{
long x=v.getLong();
if (x < 0) {
writeByte((byte)LONG_NEG);
writeVarLong(-x);
}
 else if (x < 8) {
writeByte((byte)(LONG_0_7 + x));
}
 else {
writeByte((byte)type);
writeVarLong(x);
}
break;
}
case Value.DECIMAL:
{
BigDecimal x=v.getBigDecimal();
if (BigDecimal.ZERO.equals(x)) {
writeByte((byte)DECIMAL_0_1);
}
 else if (BigDecimal.ONE.equals(x)) {
writeByte((byte)(DECIMAL_0_1 + 1));
}
 else {
int scale=x.scale();
BigInteger b=x.unscaledValue();
int bits=b.bitLength();
if (bits <= 63) {
if (scale == 0) {
writeByte((byte)DECIMAL_SMALL_0);
writeVarLong(b.longValue());
}
 else {
writeByte((byte)DECIMAL_SMALL);
writeVarInt(scale);
writeVarLong(b.longValue());
}
}
 else {
writeByte((byte)type);
writeVarInt(scale);
byte[] bytes=b.toByteArray();
writeVarInt(bytes.length);
write(bytes,0,bytes.length);
}
}
break;
}
case Value.TIME:
if (SysProperties.STORE_LOCAL_TIME) {
writeByte((byte)LOCAL_TIME);
ValueTime t=(ValueTime)v;
long nanos=t.getNanos();
long millis=nanos / 1000000;
nanos-=millis * 1000000;
writeVarLong(millis);
writeVarLong(nanos);
}
 else {
writeByte((byte)type);
writeVarLong(DateTimeUtils.getTimeLocalWithoutDst(v.getTime()));
}
break;
case Value.DATE:
{
if (SysProperties.STORE_LOCAL_TIME) {
writeByte((byte)LOCAL_DATE);
long x=((ValueDate)v).getDateValue();
writeVarLong(x);
}
 else {
writeByte((byte)type);
long x=DateTimeUtils.getTimeLocalWithoutDst(v.getDate());
writeVarLong(x / MILLIS_PER_MINUTE);
}
break;
}
case Value.TIMESTAMP:
{
if (SysProperties.STORE_LOCAL_TIME) {
writeByte((byte)LOCAL_TIMESTAMP);
ValueTimestamp ts=(ValueTimestamp)v;
long dateValue=ts.getDateValue();
writeVarLong(dateValue);
long nanos=ts.getTimeNanos();
long millis=nanos / 1000000;
nanos-=millis * 1000000;
writeVarLong(millis);
writeVarLong(nanos);
}
 else {
Timestamp ts=v.getTimestamp();
writeByte((byte)type);
writeVarLong(DateTimeUtils.getTimeLocalWithoutDst(ts));
writeVarInt(ts.getNanos());
}
break;
}
case Value.GEOMETRY:
case Value.JAVA_OBJECT:
{
writeByte((byte)type);
byte[] b=v.getBytesNoCopy();
int len=b.length;
writeVarInt(len);
write(b,0,len);
break;
}
case Value.BYTES:
{
byte[] b=v.getBytesNoCopy();
int len=b.length;
if (len < 32) {
writeByte((byte)(BYTES_0_31 + len));
write(b,0,len);
}
 else {
writeByte((byte)type);
writeVarInt(len);
write(b,0,len);
}
break;
}
case Value.UUID:
{
writeByte((byte)type);
ValueUuid uuid=(ValueUuid)v;
writeLong(uuid.getHigh());
writeLong(uuid.getLow());
break;
}
case Value.STRING:
{
String s=v.getString();
int len=s.length();
if (len < 32) {
writeByte((byte)(STRING_0_31 + len));
writeStringWithoutLength(s,len);
}
 else {
writeByte((byte)type);
writeString(s);
}
break;
}
case Value.STRING_IGNORECASE:
case Value.STRING_FIXED:
writeByte((byte)type);
writeString(v.getString());
break;
case Value.DOUBLE:
{
double x=v.getDouble();
if (x == 1.0d) {
writeByte((byte)(DOUBLE_0_1 + 1));
}
 else {
long d=Double.doubleToLongBits(x);
if (d == ValueDouble.ZERO_BITS) {
writeByte((byte)DOUBLE_0_1);
}
 else {
writeByte((byte)type);
writeVarLong(Long.reverse(d));
}
}
break;
}
case Value.FLOAT:
{
float x=v.getFloat();
if (x == 1.0f) {
writeByte((byte)(FLOAT_0_1 + 1));
}
 else {
int f=Float.floatToIntBits(x);
if (f == ValueFloat.ZERO_BITS) {
writeByte((byte)FLOAT_0_1);
}
 else {
writeByte((byte)type);
writeVarInt(Integer.reverse(f));
}
}
break;
}
case Value.BLOB:
case Value.CLOB:
{
writeByte((byte)type);
if (v instanceof ValueLob) {
ValueLob lob=(ValueLob)v;
lob.convertToFileIfRequired(handler);
byte[] small=lob.getSmall();
if (small == null) {
int t=-1;
if (!lob.isLinked()) {
t=-2;
}
writeVarInt(t);
writeVarInt(lob.getTableId());
writeVarInt(lob.getObjectId());
writeVarLong(lob.getPrecision());
writeByte((byte)(lob.isCompressed() ? 1 : 0));
if (t == -2) {
writeString(lob.getFileName());
}
}
 else {
writeVarInt(small.length);
write(small,0,small.length);
}
}
 else {
ValueLobDb lob=(ValueLobDb)v;
byte[] small=lob.getSmall();
if (small == null) {
writeVarInt(-3);
writeVarInt(lob.getTableId());
writeVarLong(lob.getLobId());
writeVarLong(lob.getPrecision());
}
 else {
writeVarInt(small.length);
write(small,0,small.length);
}
}
break;
}
case Value.ARRAY:
{
writeByte((byte)type);
Value[] list=((ValueArray)v).getList();
writeVarInt(list.length);
for (Value x : list) {
writeValue(x);
}
break;
}
case Value.RESULT_SET:
{
writeByte((byte)type);
try {
ResultSet rs=((ValueResultSet)v).getResultSet();
rs.beforeFirst();
ResultSetMetaData meta=rs.getMetaData();
int columnCount=meta.getColumnCount();
writeVarInt(columnCount);
for (int i=0; i < columnCount; i++) {
writeString(meta.getColumnName(i + 1));
writeVarInt(meta.getColumnType(i + 1));
writeVarInt(meta.getPrecision(i + 1));
writeVarInt(meta.getScale(i + 1));
}
while (rs.next()) {
writeByte((byte)1);
for (int i=0; i < columnCount; i++) {
int t=DataType.getValueTypeFromResultSet(meta,i + 1);
Value val=DataType.readValue(null,rs,i + 1,t);
writeValue(val);
}
}
writeByte((byte)0);
rs.beforeFirst();
}
 catch (SQLException e) {
throw DbException.convert(e);
}
break;
}
default :
DbException.throwInternalError("String_Node_Str" + v.getType());
}
if (SysProperties.CHECK2) {
if (pos - start != getValueLen(v,handler)) {
throw DbException.throwInternalError("String_Node_Str" + (pos - start) + "String_Node_Str"+ getValueLen(v,handler));
}
}
}

Fixed version (ground truth):
/** 
 * Append a value.
 * @param v the value
 */
public void writeValue(Value v){
  int start=pos;
  if (v == ValueNull.INSTANCE) {
    data[pos++]=0;
    return;
  }
  int type=v.getType();
switch (type) {
case Value.BOOLEAN:
    writeByte((byte)(v.getBoolean().booleanValue() ? BOOLEAN_TRUE : BOOLEAN_FALSE));
  break;
case Value.BYTE:
writeByte((byte)type);
writeByte(v.getByte());
break;
case Value.SHORT:
writeByte((byte)type);
writeShortInt(v.getShort());
break;
case Value.INT:
{
int x=v.getInt();
if (x < 0) {
writeByte((byte)INT_NEG);
writeVarInt(-x);
}
 else if (x < 16) {
writeByte((byte)(INT_0_15 + x));
}
 else {
writeByte((byte)type);
writeVarInt(x);
}
break;
}
case Value.LONG:
{
long x=v.getLong();
if (x < 0) {
writeByte((byte)LONG_NEG);
writeVarLong(-x);
}
 else if (x < 8) {
writeByte((byte)(LONG_0_7 + x));
}
 else {
writeByte((byte)type);
writeVarLong(x);
}
break;
}
case Value.DECIMAL:
{
BigDecimal x=v.getBigDecimal();
if (BigDecimal.ZERO.equals(x)) {
writeByte((byte)DECIMAL_0_1);
}
 else if (BigDecimal.ONE.equals(x)) {
writeByte((byte)(DECIMAL_0_1 + 1));
}
 else {
int scale=x.scale();
BigInteger b=x.unscaledValue();
int bits=b.bitLength();
if (bits <= 63) {
if (scale == 0) {
writeByte((byte)DECIMAL_SMALL_0);
writeVarLong(b.longValue());
}
 else {
writeByte((byte)DECIMAL_SMALL);
writeVarInt(scale);
writeVarLong(b.longValue());
}
}
 else {
writeByte((byte)type);
writeVarInt(scale);
byte[] bytes=b.toByteArray();
writeVarInt(bytes.length);
write(bytes,0,bytes.length);
}
}
break;
}
case Value.TIME:
if (SysProperties.STORE_LOCAL_TIME) {
writeByte((byte)LOCAL_TIME);
ValueTime t=(ValueTime)v;
long nanos=t.getNanos();
long millis=nanos / 1000000;
nanos-=millis * 1000000;
writeVarLong(millis);
writeVarLong(nanos);
}
 else {
writeByte((byte)type);
writeVarLong(DateTimeUtils.getTimeLocalWithoutDst(v.getTime()));
}
break;
case Value.DATE:
{
if (SysProperties.STORE_LOCAL_TIME) {
writeByte((byte)LOCAL_DATE);
long x=((ValueDate)v).getDateValue();
writeVarLong(x);
}
 else {
writeByte((byte)type);
long x=DateTimeUtils.getTimeLocalWithoutDst(v.getDate());
writeVarLong(x / MILLIS_PER_MINUTE);
}
break;
}
case Value.TIMESTAMP:
{
if (SysProperties.STORE_LOCAL_TIME) {
writeByte((byte)LOCAL_TIMESTAMP);
ValueTimestamp ts=(ValueTimestamp)v;
long dateValue=ts.getDateValue();
writeVarLong(dateValue);
long nanos=ts.getTimeNanos();
long millis=nanos / 1000000;
nanos-=millis * 1000000;
writeVarLong(millis);
writeVarLong(nanos);
}
 else {
Timestamp ts=v.getTimestamp();
writeByte((byte)type);
writeVarLong(DateTimeUtils.getTimeLocalWithoutDst(ts));
writeVarInt(ts.getNanos() % 1000000);
}
break;
}
case Value.GEOMETRY:
case Value.JAVA_OBJECT:
{
writeByte((byte)type);
byte[] b=v.getBytesNoCopy();
int len=b.length;
writeVarInt(len);
write(b,0,len);
break;
}
case Value.BYTES:
{
byte[] b=v.getBytesNoCopy();
int len=b.length;
if (len < 32) {
writeByte((byte)(BYTES_0_31 + len));
write(b,0,len);
}
 else {
writeByte((byte)type);
writeVarInt(len);
write(b,0,len);
}
break;
}
case Value.UUID:
{
writeByte((byte)type);
ValueUuid uuid=(ValueUuid)v;
writeLong(uuid.getHigh());
writeLong(uuid.getLow());
break;
}
case Value.STRING:
{
String s=v.getString();
int len=s.length();
if (len < 32) {
writeByte((byte)(STRING_0_31 + len));
writeStringWithoutLength(s,len);
}
 else {
writeByte((byte)type);
writeString(s);
}
break;
}
case Value.STRING_IGNORECASE:
case Value.STRING_FIXED:
writeByte((byte)type);
writeString(v.getString());
break;
case Value.DOUBLE:
{
double x=v.getDouble();
if (x == 1.0d) {
writeByte((byte)(DOUBLE_0_1 + 1));
}
 else {
long d=Double.doubleToLongBits(x);
if (d == ValueDouble.ZERO_BITS) {
writeByte((byte)DOUBLE_0_1);
}
 else {
writeByte((byte)type);
writeVarLong(Long.reverse(d));
}
}
break;
}
case Value.FLOAT:
{
float x=v.getFloat();
if (x == 1.0f) {
writeByte((byte)(FLOAT_0_1 + 1));
}
 else {
int f=Float.floatToIntBits(x);
if (f == ValueFloat.ZERO_BITS) {
writeByte((byte)FLOAT_0_1);
}
 else {
writeByte((byte)type);
writeVarInt(Integer.reverse(f));
}
}
break;
}
case Value.BLOB:
case Value.CLOB:
{
writeByte((byte)type);
if (v instanceof ValueLob) {
ValueLob lob=(ValueLob)v;
lob.convertToFileIfRequired(handler);
byte[] small=lob.getSmall();
if (small == null) {
int t=-1;
if (!lob.isLinked()) {
t=-2;
}
writeVarInt(t);
writeVarInt(lob.getTableId());
writeVarInt(lob.getObjectId());
writeVarLong(lob.getPrecision());
writeByte((byte)(lob.isCompressed() ? 1 : 0));
if (t == -2) {
writeString(lob.getFileName());
}
}
 else {
writeVarInt(small.length);
write(small,0,small.length);
}
}
 else {
ValueLobDb lob=(ValueLobDb)v;
byte[] small=lob.getSmall();
if (small == null) {
writeVarInt(-3);
writeVarInt(lob.getTableId());
writeVarLong(lob.getLobId());
writeVarLong(lob.getPrecision());
}
 else {
writeVarInt(small.length);
write(small,0,small.length);
}
}
break;
}
case Value.ARRAY:
{
writeByte((byte)type);
Value[] list=((ValueArray)v).getList();
writeVarInt(list.length);
for (Value x : list) {
writeValue(x);
}
break;
}
case Value.RESULT_SET:
{
writeByte((byte)type);
try {
ResultSet rs=((ValueResultSet)v).getResultSet();
rs.beforeFirst();
ResultSetMetaData meta=rs.getMetaData();
int columnCount=meta.getColumnCount();
writeVarInt(columnCount);
for (int i=0; i < columnCount; i++) {
writeString(meta.getColumnName(i + 1));
writeVarInt(meta.getColumnType(i + 1));
writeVarInt(meta.getPrecision(i + 1));
writeVarInt(meta.getScale(i + 1));
}
while (rs.next()) {
writeByte((byte)1);
for (int i=0; i < columnCount; i++) {
int t=DataType.getValueTypeFromResultSet(meta,i + 1);
Value val=DataType.readValue(null,rs,i + 1,t);
writeValue(val);
}
}
writeByte((byte)0);
rs.beforeFirst();
}
 catch (SQLException e) {
throw DbException.convert(e);
}
break;
}
default :
DbException.throwInternalError("String_Node_Str" + v.getType());
}
if (SysProperties.CHECK2) {
if (pos - start != getValueLen(v,handler)) {
throw DbException.throwInternalError("String_Node_Str" + (pos - start) + "String_Node_Str"+ getValueLen(v,handler));
}
}
}