use of org.h2.value.ExtTypeInfoEnum in project h2database by h2database.
the class ValueDataType method readValue.
/**
* Read a value.
*
* @param buff the source buffer
* @param columnType the data type of value, or {@code null}
* @return the value
*/
Value readValue(ByteBuffer buff, TypeInfo columnType) {
int type = buff.get() & 255;
switch(type) {
case NULL:
return ValueNull.INSTANCE;
case BOOLEAN_TRUE:
return ValueBoolean.TRUE;
case BOOLEAN_FALSE:
return ValueBoolean.FALSE;
case INT_NEG:
return ValueInteger.get(-readVarInt(buff));
case INTEGER:
return ValueInteger.get(readVarInt(buff));
case BIGINT_NEG:
return ValueBigint.get(-readVarLong(buff));
case BIGINT:
return ValueBigint.get(readVarLong(buff));
case TINYINT:
return ValueTinyint.get(buff.get());
case SMALLINT:
return ValueSmallint.get(buff.getShort());
case NUMERIC_0_1:
return ValueNumeric.ZERO;
case NUMERIC_0_1 + 1:
return ValueNumeric.ONE;
case NUMERIC_SMALL_0:
return ValueNumeric.get(BigDecimal.valueOf(readVarLong(buff)));
case NUMERIC_SMALL:
{
int scale = readVarInt(buff);
return ValueNumeric.get(BigDecimal.valueOf(readVarLong(buff), scale));
}
case NUMERIC:
{
int scale = readVarInt(buff);
return ValueNumeric.get(new BigDecimal(new BigInteger(readVarBytes(buff)), scale));
}
case DECFLOAT:
{
int scale = readVarInt(buff), len = readVarInt(buff);
switch(len) {
case -3:
return ValueDecfloat.NEGATIVE_INFINITY;
case -2:
return ValueDecfloat.POSITIVE_INFINITY;
case -1:
return ValueDecfloat.NAN;
default:
byte[] b = Utils.newBytes(len);
buff.get(b, 0, len);
return ValueDecfloat.get(new BigDecimal(new BigInteger(b), scale));
}
}
case DATE:
return ValueDate.fromDateValue(readVarLong(buff));
case TIME:
return ValueTime.fromNanos(readTimestampTime(buff));
case TIME_TZ:
return ValueTimeTimeZone.fromNanos(readVarInt(buff) * DateTimeUtils.NANOS_PER_SECOND + readVarInt(buff), readTimeZone(buff));
case TIMESTAMP:
return ValueTimestamp.fromDateValueAndNanos(readVarLong(buff), readTimestampTime(buff));
case TIMESTAMP_TZ_OLD:
return ValueTimestampTimeZone.fromDateValueAndNanos(readVarLong(buff), readTimestampTime(buff), readVarInt(buff) * 60);
case TIMESTAMP_TZ:
return ValueTimestampTimeZone.fromDateValueAndNanos(readVarLong(buff), readTimestampTime(buff), readTimeZone(buff));
case VARBINARY:
return ValueVarbinary.getNoCopy(readVarBytes(buff));
case BINARY:
return ValueBinary.getNoCopy(readVarBytes(buff));
case JAVA_OBJECT:
return ValueJavaObject.getNoCopy(readVarBytes(buff));
case UUID:
return ValueUuid.get(buff.getLong(), buff.getLong());
case VARCHAR:
return ValueVarchar.get(readString(buff));
case VARCHAR_IGNORECASE:
return ValueVarcharIgnoreCase.get(readString(buff));
case CHAR:
return ValueChar.get(readString(buff));
case ENUM:
{
int ordinal = readVarInt(buff);
if (columnType != null) {
return ((ExtTypeInfoEnum) columnType.getExtTypeInfo()).getValue(ordinal, provider);
}
return ValueInteger.get(ordinal);
}
case INTERVAL:
{
int ordinal = buff.get();
boolean negative = ordinal < 0;
if (negative) {
ordinal = ~ordinal;
}
return ValueInterval.from(IntervalQualifier.valueOf(ordinal), negative, readVarLong(buff), ordinal < 5 ? 0 : readVarLong(buff));
}
case REAL_0_1:
return ValueReal.ZERO;
case REAL_0_1 + 1:
return ValueReal.ONE;
case DOUBLE_0_1:
return ValueDouble.ZERO;
case DOUBLE_0_1 + 1:
return ValueDouble.ONE;
case DOUBLE:
return ValueDouble.get(Double.longBitsToDouble(Long.reverse(readVarLong(buff))));
case REAL:
return ValueReal.get(Float.intBitsToFloat(Integer.reverse(readVarInt(buff))));
case BLOB:
{
int smallLen = readVarInt(buff);
if (smallLen >= 0) {
byte[] small = Utils.newBytes(smallLen);
buff.get(small, 0, smallLen);
return ValueBlob.createSmall(small);
} else if (smallLen == -3) {
return new ValueBlob(readLobDataDatabase(buff), readVarLong(buff));
} else {
throw DbException.get(ErrorCode.FILE_CORRUPTED_1, "lob type: " + smallLen);
}
}
case CLOB:
{
int smallLen = readVarInt(buff);
if (smallLen >= 0) {
byte[] small = Utils.newBytes(smallLen);
buff.get(small, 0, smallLen);
return ValueClob.createSmall(small, readVarLong(buff));
} else if (smallLen == -3) {
return new ValueClob(readLobDataDatabase(buff), readVarLong(buff), readVarLong(buff));
} else {
throw DbException.get(ErrorCode.FILE_CORRUPTED_1, "lob type: " + smallLen);
}
}
case ARRAY:
{
if (columnType != null) {
TypeInfo elementType = (TypeInfo) columnType.getExtTypeInfo();
return ValueArray.get(elementType, readArrayElements(buff, elementType), provider);
}
return ValueArray.get(readArrayElements(buff, null), provider);
}
case ROW:
{
int len = readVarInt(buff);
Value[] list = new Value[len];
if (columnType != null) {
ExtTypeInfoRow extTypeInfoRow = (ExtTypeInfoRow) columnType.getExtTypeInfo();
Iterator<Entry<String, TypeInfo>> fields = extTypeInfoRow.getFields().iterator();
for (int i = 0; i < len; i++) {
list[i] = readValue(buff, fields.next().getValue());
}
return ValueRow.get(columnType, list);
}
TypeInfo[] columnTypes = rowFactory.getColumnTypes();
for (int i = 0; i < len; i++) {
list[i] = readValue(buff, columnTypes[i]);
}
return ValueRow.get(list);
}
case GEOMETRY:
return ValueGeometry.get(readVarBytes(buff));
case JSON:
return ValueJson.getInternal(readVarBytes(buff));
default:
if (type >= INT_0_15 && type < INT_0_15 + 16) {
int i = type - INT_0_15;
if (columnType != null && columnType.getValueType() == Value.ENUM) {
return ((ExtTypeInfoEnum) columnType.getExtTypeInfo()).getValue(i, provider);
}
return ValueInteger.get(i);
} else if (type >= BIGINT_0_7 && type < BIGINT_0_7 + 8) {
return ValueBigint.get(type - BIGINT_0_7);
} else if (type >= VARBINARY_0_31 && type < VARBINARY_0_31 + 32) {
int len = type - VARBINARY_0_31;
byte[] b = Utils.newBytes(len);
buff.get(b, 0, len);
return ValueVarbinary.getNoCopy(b);
} else if (type >= VARCHAR_0_31 && type < VARCHAR_0_31 + 32) {
return ValueVarchar.get(readString(buff, type - VARCHAR_0_31));
}
throw DbException.get(ErrorCode.FILE_CORRUPTED_1, "type: " + type);
}
}
use of org.h2.value.ExtTypeInfoEnum in project apollo by salesforce.
the class StreamTransfer method readTypeInfoEnum.
private ExtTypeInfo readTypeInfoEnum(DataInputStream in) throws IOException {
ExtTypeInfo ext;
int c = readInt(in);
if (c > 0) {
String[] enumerators = new String[c];
for (int i = 0; i < c; i++) {
enumerators[i] = readString(in);
}
ext = new ExtTypeInfoEnum(enumerators);
} else {
ext = null;
}
return ext;
}
use of org.h2.value.ExtTypeInfoEnum in project apollo by salesforce.
the class StreamTransfer method writeTypeInfoEnum.
private void writeTypeInfoEnum(TypeInfo type, DataOutputStream out) throws IOException {
ExtTypeInfoEnum ext = (ExtTypeInfoEnum) type.getExtTypeInfo();
if (ext != null) {
int c = ext.getCount();
writeInt(c, out);
for (int i = 0; i < c; i++) {
writeString(ext.getEnumerator(i), out);
}
} else {
writeInt(0, out);
}
}
use of org.h2.value.ExtTypeInfoEnum in project SpringStudy by myounghaklee.
the class Parser method parseEnumType.
private TypeInfo parseEnumType() {
read(OPEN_PAREN);
ArrayList<String> enumeratorList = new ArrayList<>();
do {
enumeratorList.add(readString());
} while (readIfMore());
return TypeInfo.getTypeInfo(Value.ENUM, -1L, -1, new ExtTypeInfoEnum(enumeratorList.toArray(new String[0])));
}
use of org.h2.value.ExtTypeInfoEnum in project 468H2Project by lukeunderwood42.
the class ValueDataType method readValue.
/**
* Read a value.
*
* @param buff the source buffer
* @param columnType the data type of value, or {@code null}
* @return the value
*/
Value readValue(ByteBuffer buff, TypeInfo columnType) {
int type = buff.get() & 255;
switch(type) {
case NULL:
return ValueNull.INSTANCE;
case BOOLEAN_TRUE:
return ValueBoolean.TRUE;
case BOOLEAN_FALSE:
return ValueBoolean.FALSE;
case INT_NEG:
return ValueInteger.get(-readVarInt(buff));
case INTEGER:
return ValueInteger.get(readVarInt(buff));
case BIGINT_NEG:
return ValueBigint.get(-readVarLong(buff));
case BIGINT:
return ValueBigint.get(readVarLong(buff));
case TINYINT:
return ValueTinyint.get(buff.get());
case SMALLINT:
return ValueSmallint.get(buff.getShort());
case NUMERIC_0_1:
return ValueNumeric.ZERO;
case NUMERIC_0_1 + 1:
return ValueNumeric.ONE;
case NUMERIC_SMALL_0:
return ValueNumeric.get(BigDecimal.valueOf(readVarLong(buff)));
case NUMERIC_SMALL:
{
int scale = readVarInt(buff);
return ValueNumeric.get(BigDecimal.valueOf(readVarLong(buff), scale));
}
case NUMERIC:
{
int scale = readVarInt(buff);
return ValueNumeric.get(new BigDecimal(new BigInteger(readVarBytes(buff)), scale));
}
case DECFLOAT:
{
int scale = readVarInt(buff), len = readVarInt(buff);
switch(len) {
case -3:
return ValueDecfloat.NEGATIVE_INFINITY;
case -2:
return ValueDecfloat.POSITIVE_INFINITY;
case -1:
return ValueDecfloat.NAN;
default:
byte[] b = Utils.newBytes(len);
buff.get(b, 0, len);
return ValueDecfloat.get(new BigDecimal(new BigInteger(b), scale));
}
}
case DATE:
return ValueDate.fromDateValue(readVarLong(buff));
case TIME:
return ValueTime.fromNanos(readTimestampTime(buff));
case TIME_TZ:
return ValueTimeTimeZone.fromNanos(readVarInt(buff) * DateTimeUtils.NANOS_PER_SECOND + readVarInt(buff), readTimeZone(buff));
case TIMESTAMP:
return ValueTimestamp.fromDateValueAndNanos(readVarLong(buff), readTimestampTime(buff));
case TIMESTAMP_TZ_OLD:
return ValueTimestampTimeZone.fromDateValueAndNanos(readVarLong(buff), readTimestampTime(buff), readVarInt(buff) * 60);
case TIMESTAMP_TZ:
return ValueTimestampTimeZone.fromDateValueAndNanos(readVarLong(buff), readTimestampTime(buff), readTimeZone(buff));
case VARBINARY:
return ValueVarbinary.getNoCopy(readVarBytes(buff));
case BINARY:
return ValueBinary.getNoCopy(readVarBytes(buff));
case JAVA_OBJECT:
return ValueJavaObject.getNoCopy(readVarBytes(buff));
case UUID:
return ValueUuid.get(buff.getLong(), buff.getLong());
case VARCHAR:
return ValueVarchar.get(readString(buff));
case VARCHAR_IGNORECASE:
return ValueVarcharIgnoreCase.get(readString(buff));
case CHAR:
return ValueChar.get(readString(buff));
case ENUM:
{
int ordinal = readVarInt(buff);
if (columnType != null) {
return ((ExtTypeInfoEnum) columnType.getExtTypeInfo()).getValue(ordinal, provider);
}
return ValueInteger.get(ordinal);
}
case INTERVAL:
{
int ordinal = buff.get();
boolean negative = ordinal < 0;
if (negative) {
ordinal = ~ordinal;
}
return ValueInterval.from(IntervalQualifier.valueOf(ordinal), negative, readVarLong(buff), ordinal < 5 ? 0 : readVarLong(buff));
}
case REAL_0_1:
return ValueReal.ZERO;
case REAL_0_1 + 1:
return ValueReal.ONE;
case DOUBLE_0_1:
return ValueDouble.ZERO;
case DOUBLE_0_1 + 1:
return ValueDouble.ONE;
case DOUBLE:
return ValueDouble.get(Double.longBitsToDouble(Long.reverse(readVarLong(buff))));
case REAL:
return ValueReal.get(Float.intBitsToFloat(Integer.reverse(readVarInt(buff))));
case BLOB:
{
int smallLen = readVarInt(buff);
if (smallLen >= 0) {
byte[] small = Utils.newBytes(smallLen);
buff.get(small, 0, smallLen);
return ValueBlob.createSmall(small);
} else if (smallLen == -3) {
return new ValueBlob(readLobDataDatabase(buff), readVarLong(buff));
} else {
throw DbException.get(ErrorCode.FILE_CORRUPTED_1, "lob type: " + smallLen);
}
}
case CLOB:
{
int smallLen = readVarInt(buff);
if (smallLen >= 0) {
byte[] small = Utils.newBytes(smallLen);
buff.get(small, 0, smallLen);
return ValueClob.createSmall(small, readVarLong(buff));
} else if (smallLen == -3) {
return new ValueClob(readLobDataDatabase(buff), readVarLong(buff), readVarLong(buff));
} else {
throw DbException.get(ErrorCode.FILE_CORRUPTED_1, "lob type: " + smallLen);
}
}
case ARRAY:
{
if (columnType != null) {
TypeInfo elementType = (TypeInfo) columnType.getExtTypeInfo();
return ValueArray.get(elementType, readArrayElements(buff, elementType), provider);
}
return ValueArray.get(readArrayElements(buff, null), provider);
}
case ROW:
{
int len = readVarInt(buff);
Value[] list = new Value[len];
if (columnType != null) {
ExtTypeInfoRow extTypeInfoRow = (ExtTypeInfoRow) columnType.getExtTypeInfo();
Iterator<Entry<String, TypeInfo>> fields = extTypeInfoRow.getFields().iterator();
for (int i = 0; i < len; i++) {
list[i] = readValue(buff, fields.next().getValue());
}
return ValueRow.get(columnType, list);
}
TypeInfo[] columnTypes = rowFactory.getColumnTypes();
for (int i = 0; i < len; i++) {
list[i] = readValue(buff, columnTypes[i]);
}
return ValueRow.get(list);
}
case GEOMETRY:
return ValueGeometry.get(readVarBytes(buff));
case JSON:
return ValueJson.getInternal(readVarBytes(buff));
default:
if (type >= INT_0_15 && type < INT_0_15 + 16) {
int i = type - INT_0_15;
if (columnType != null && columnType.getValueType() == Value.ENUM) {
return ((ExtTypeInfoEnum) columnType.getExtTypeInfo()).getValue(i, provider);
}
return ValueInteger.get(i);
} else if (type >= BIGINT_0_7 && type < BIGINT_0_7 + 8) {
return ValueBigint.get(type - BIGINT_0_7);
} else if (type >= VARBINARY_0_31 && type < VARBINARY_0_31 + 32) {
int len = type - VARBINARY_0_31;
byte[] b = Utils.newBytes(len);
buff.get(b, 0, len);
return ValueVarbinary.getNoCopy(b);
} else if (type >= VARCHAR_0_31 && type < VARCHAR_0_31 + 32) {
return ValueVarchar.get(readString(buff, type - VARCHAR_0_31));
}
throw DbException.get(ErrorCode.FILE_CORRUPTED_1, "type: " + type);
}
}
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