public static double toDouble(Object a) {
double value;
if (a instanceof java.lang.Double) {
return ((Double) a).doubleValue();
} else if (a instanceof BigDecimal) {
BigDecimal bd = (BigDecimal) a;
value = bd.doubleValue();
int signum = bd.signum();
BigDecimal bdd = new BigDecimal(value + signum);
if (bdd.compareTo(bd) != signum) {
throw Error.error(ErrorCode.X_22003);
}
} else if (a instanceof Number) {
value = ((Number) a).doubleValue();
} else {
throw Error.error(ErrorCode.X_22501);
}
return value;
}
/**
* Converter from a numeric object to Long. Input is checked to be within range represented by
* Long.
*/
static Long convertToLong(Object a) {
if (a instanceof Integer) {
return ValuePool.getLong(((Integer) a).intValue());
} else if (a instanceof Long) {
return (Long) a;
} else if (a instanceof BigDecimal) {
BigDecimal bd = (BigDecimal) a;
if (bd.compareTo(MAX_LONG) > 0 || bd.compareTo(MIN_LONG) < 0) {
throw Error.error(ErrorCode.X_22003);
}
return ValuePool.getLong(bd.longValue());
} else if (a instanceof Double || a instanceof Float) {
double d = ((Number) a).doubleValue();
if (Double.isInfinite(d)
|| Double.isNaN(d)
|| d >= (double) Long.MAX_VALUE + 1
|| d <= (double) Long.MIN_VALUE - 1) {
throw Error.error(ErrorCode.X_22003);
}
return ValuePool.getLong((long) d);
} else {
throw Error.error(ErrorCode.X_42561);
}
}
/**
* Converter from a numeric object to Long. Input is checked to be within range represented by
* Long.
*/
static Long convertToLong(SessionInterface session, Object a) {
if (a instanceof Integer) {
return ValuePool.getLong(((Integer) a).intValue());
} else if (a instanceof Long) {
return (Long) a;
} else if (a instanceof BigDecimal) {
BigDecimal bd = (BigDecimal) a;
if (bd.compareTo(MAX_LONG) > 0 || bd.compareTo(MIN_LONG) < 0) {
throw Error.error(ErrorCode.X_22003);
}
return ValuePool.getLong(bd.longValue());
} else if (a instanceof Double || a instanceof Float) {
double d = ((Number) a).doubleValue();
if (session instanceof Session) {
if (!((Session) session).database.sqlConvertTruncate) {
d = java.lang.Math.rint(d);
}
}
if (Double.isInfinite(d)
|| Double.isNaN(d)
|| d >= (double) Long.MAX_VALUE + 1
|| d <= (double) Long.MIN_VALUE - 1) {
throw Error.error(ErrorCode.X_22003);
}
return ValuePool.getLong((long) d);
} else {
throw Error.error(ErrorCode.X_42561);
}
}
public static NumberType getNumberType(int type, long precision, int scale) {
switch (type) {
case Types.SQL_INTEGER:
return SQL_INTEGER;
case Types.SQL_SMALLINT:
return SQL_SMALLINT;
case Types.SQL_BIGINT:
return SQL_BIGINT;
case Types.TINYINT:
return TINYINT;
case Types.SQL_REAL:
case Types.SQL_DOUBLE:
case Types.SQL_FLOAT:
return SQL_DOUBLE;
case Types.SQL_NUMERIC:
case Types.SQL_DECIMAL:
return new NumberType(type, precision, scale);
default:
throw Error.runtimeError(ErrorCode.U_S0500, "NumberType");
}
}
public Object floor(Object a) {
if (a == null) {
return null;
}
switch (typeCode) {
case Types.SQL_REAL:
case Types.SQL_FLOAT:
case Types.SQL_DOUBLE:
{
double value = Math.floor(((Double) a).doubleValue());
if (Double.isInfinite(value)) {
throw Error.error(ErrorCode.X_22003);
}
return ValuePool.getDouble(Double.doubleToLongBits(value));
}
case Types.SQL_NUMERIC:
case Types.SQL_DECIMAL:
{
BigDecimal value = ((BigDecimal) a).setScale(0, BigDecimal.ROUND_FLOOR);
return value;
}
// fall through
default:
return a;
}
}
public boolean isNegative(Object a) {
if (a == null) {
return false;
}
switch (typeCode) {
case Types.SQL_REAL:
case Types.SQL_FLOAT:
case Types.SQL_DOUBLE:
{
double ad = ((Number) a).doubleValue();
return ad < 0;
}
case Types.SQL_NUMERIC:
case Types.SQL_DECIMAL:
return ((BigDecimal) a).signum() < 0;
case Types.TINYINT:
case Types.SQL_SMALLINT:
case Types.SQL_INTEGER:
return ((Number) a).intValue() < 0;
case Types.SQL_BIGINT:
return ((Number) a).longValue() < 0;
default:
throw Error.runtimeError(ErrorCode.U_S0500, "NumberType");
}
}
/**
* relaxes the SQL standard list to avoid problems with covnersion of literals and java method
* parameter type issues
*/
public int precedenceDegree(Type other) {
if (other.typeCode == typeCode) {
return 0;
}
if (!other.isBinaryType()) {
return Integer.MIN_VALUE;
}
switch (typeCode) {
case Types.SQL_BIT:
case Types.SQL_BIT_VARYING:
return Integer.MIN_VALUE;
case Types.SQL_BINARY:
return other.typeCode == Types.SQL_BLOB ? 4 : 2;
case Types.SQL_VARBINARY:
return other.typeCode == Types.SQL_BLOB ? 4 : 2;
case Types.SQL_BLOB:
return other.typeCode == Types.SQL_BINARY ? -4 : -2;
default:
throw Error.runtimeError(ErrorCode.U_S0500, "CharacterType");
}
}
/** Returns decimal precision for NUMERIC/DECIMAL. Returns binary precision for other parts. */
public int getPrecision() {
switch (typeCode) {
case Types.TINYINT:
return 1;
case Types.SQL_SMALLINT:
return 2;
case Types.SQL_INTEGER:
return 4;
case Types.SQL_BIGINT:
return 8;
case Types.SQL_REAL:
case Types.SQL_FLOAT:
case Types.SQL_DOUBLE:
return 8;
case Types.SQL_NUMERIC:
case Types.SQL_DECIMAL:
return (int) precision;
default:
throw Error.runtimeError(ErrorCode.U_S0500, "NumberType");
}
}
@Override
public String getNameString() {
switch (typeCode) {
case Types.TINYINT:
return Tokens.T_TINYINT;
case Types.SQL_SMALLINT:
return Tokens.T_SMALLINT;
case Types.SQL_INTEGER:
return Tokens.T_INTEGER;
case Types.SQL_BIGINT:
return Tokens.T_BIGINT;
case Types.SQL_REAL:
return Tokens.T_REAL;
case Types.SQL_FLOAT:
return Tokens.T_FLOAT;
case Types.SQL_DOUBLE:
return Tokens.T_DOUBLE;
case Types.SQL_NUMERIC:
return Tokens.T_NUMERIC;
case Types.SQL_DECIMAL:
return Tokens.T_DECIMAL;
default:
throw Error.runtimeError(ErrorCode.U_S0500, "NumberType");
}
}
/** Returns type for concat */
public Type getCombinedType(Type other, int operation) {
if (operation != OpTypes.CONCAT) {
return getAggregateType(other);
}
Type newType;
long newPrecision = this.precision + other.precision;
switch (other.typeCode) {
case Types.SQL_ALL_TYPES:
return this;
case Types.SQL_BIT:
case Types.SQL_BIT_VARYING:
newPrecision = this.precision + (other.precision + 7) / 8;
newType = this;
break;
case Types.SQL_BINARY:
newType = this;
break;
case Types.SQL_VARBINARY:
newType = (typeCode == Types.SQL_BLOB) ? this : other;
break;
case Types.SQL_BLOB:
newType = other;
break;
default:
throw Error.error(ErrorCode.X_42561);
}
if (newPrecision > maxBinaryPrecision) {
if (typeCode == Types.SQL_BINARY) {
// Standard disallows type length reduction
throw Error.error(ErrorCode.X_42570);
} else if (typeCode == Types.SQL_VARBINARY) {
newPrecision = maxBinaryPrecision;
}
}
return getBinaryType(newType.typeCode, newPrecision);
}
public Object convertJavaToSQL(SessionInterface session, Object a) {
if (a instanceof byte[]) {
return new BinaryData((byte[]) a, true);
}
throw Error.error(ErrorCode.X_42561);
}
public final RowIterator rowIterator() {
if (indexList.length == 0 || indexList[0] == null) {
throw Error.runtimeError(ErrorCode.U_S0500, "RowStoreAV");
}
return indexList[0].firstRow(this);
}
public CachedObject getAccessor(Index key) {
int position = key.getPosition();
if (position >= accessorList.length) {
throw Error.runtimeError(ErrorCode.U_S0500, "RowStoreAV");
}
return accessorList[position];
}
/** Returns the User object identified by the name argument. */
public User get(String name) {
User user = (User) userList.get(name);
if (user == null) {
throw Error.error(ErrorCode.X_28501, name);
}
return user;
}
static {
try {
BYTES_NULL = "NULL".getBytes("ISO-8859-1");
BYTES_TRUE = "TRUE".getBytes("ISO-8859-1");
BYTES_FALSE = "FALSE".getBytes("ISO-8859-1");
BYTES_AND = " AND ".getBytes("ISO-8859-1");
BYTES_IS = " IS ".getBytes("ISO-8859-1");
} catch (UnsupportedEncodingException e) {
Error.runtimeError(ErrorCode.U_S0500, "RowOutputTextLog");
}
}
/**
* Attempts to drop a User object with the specified name from this object's set.
*
* <p>A successful drop action consists of:
*
* <p>
*
* <UL>
* <LI>removing the User object with the specified name from the set.
* <LI>revoking all rights from the removed User<br>
* (this ensures that in case there are still references to the just dropped User object,
* those references cannot be used to erronously access database objects).
* </UL>
*
* <p>
*/
public void dropUser(String name) {
boolean reservedUser = GranteeManager.isReserved(name);
if (reservedUser) {
throw Error.error(ErrorCode.X_28502, name);
}
boolean result = granteeManager.removeGrantee(name);
if (!result) {
throw Error.error(ErrorCode.X_28501, name);
}
User user = (User) userList.remove(name);
if (user == null) {
throw Error.error(ErrorCode.X_28501, name);
}
}
/**
* Converter from a numeric object to Integer. Input is checked to be within range represented by
* the given number type.
*/
static Integer convertToInt(SessionInterface session, Object a, int type) {
int value;
if (a instanceof Integer) {
if (type == Types.SQL_INTEGER) {
return (Integer) a;
}
value = ((Integer) a).intValue();
} else if (a instanceof Long) {
long temp = ((Long) a).longValue();
if (Integer.MAX_VALUE < temp || temp < Integer.MIN_VALUE) {
throw Error.error(ErrorCode.X_22003);
}
value = (int) temp;
} else if (a instanceof BigDecimal) {
BigDecimal bd = ((BigDecimal) a);
if (bd.compareTo(MAX_INT) > 0 || bd.compareTo(MIN_INT) < 0) {
throw Error.error(ErrorCode.X_22003);
}
value = bd.intValue();
} else if (a instanceof Double || a instanceof Float) {
double d = ((Number) a).doubleValue();
if (session instanceof Session) {
if (!((Session) session).database.sqlConvertTruncate) {
d = java.lang.Math.rint(d);
}
}
if (Double.isInfinite(d)
|| Double.isNaN(d)
|| d >= (double) Integer.MAX_VALUE + 1
|| d <= (double) Integer.MIN_VALUE - 1) {
throw Error.error(ErrorCode.X_22003);
}
value = (int) d;
} else {
throw Error.error(ErrorCode.X_42561);
}
if (type == Types.TINYINT) {
if (Byte.MAX_VALUE < value || value < Byte.MIN_VALUE) {
throw Error.error(ErrorCode.X_22003);
}
} else if (type == Types.SQL_SMALLINT) {
if (Short.MAX_VALUE < value || value < Short.MIN_VALUE) {
throw Error.error(ErrorCode.X_22003);
}
}
return Integer.valueOf(value);
}
/** @todo - review usage to see if range enforcement / java type conversion is necessary */
@Override
public Object convertToTypeLimits(SessionInterface session, Object a) {
if (a == null) {
return null;
}
switch (typeCode) {
case Types.TINYINT:
case Types.SQL_SMALLINT:
case Types.SQL_INTEGER:
case Types.SQL_BIGINT:
return a;
case Types.SQL_REAL:
case Types.SQL_FLOAT:
case Types.SQL_DOUBLE:
return a;
case Types.SQL_NUMERIC:
case Types.SQL_DECIMAL:
BigDecimal dec = (BigDecimal) a;
if (scale != dec.scale()) {
dec = dec.setScale(scale, BigDecimal.ROUND_HALF_DOWN);
}
int valuePrecision = JavaSystem.precision(dec);
if (valuePrecision > precision) {
throw Error.error(ErrorCode.X_22003);
}
return dec;
default:
throw Error.runtimeError(ErrorCode.U_S0500, "NumberType");
}
}
@Override
public Object add(Object a, Object b, Type otherType) {
if (a == null || b == null) {
return null;
}
switch (typeCode) {
case Types.SQL_REAL:
case Types.SQL_FLOAT:
case Types.SQL_DOUBLE:
{
double ad = ((Number) a).doubleValue();
double bd = ((Number) b).doubleValue();
return ValuePool.getDouble(Double.doubleToLongBits(ad + bd));
// return new Double(ad + bd);
}
case Types.SQL_NUMERIC:
case Types.SQL_DECIMAL:
{
a = convertToDefaultType(null, a);
b = convertToDefaultType(null, b);
BigDecimal abd = (BigDecimal) a;
BigDecimal bbd = (BigDecimal) b;
return abd.add(bbd);
}
case Types.TINYINT:
case Types.SQL_SMALLINT:
case Types.SQL_INTEGER:
{
int ai = ((Number) a).intValue();
int bi = ((Number) b).intValue();
return ValuePool.getInt(ai + bi);
}
case Types.SQL_BIGINT:
{
long longa = ((Number) a).longValue();
long longb = ((Number) b).longValue();
return ValuePool.getLong(longa + longb);
}
default:
throw Error.runtimeError(ErrorCode.U_S0500, "NumberType");
}
}
@Override
public Type getAggregateType(Type other) {
if (this == other) {
return this;
}
if (other.isCharacterType()) {
return other.getAggregateType(this);
}
switch (other.typeCode) {
case Types.SQL_ALL_TYPES:
return this;
case Types.SQL_REAL:
case Types.SQL_FLOAT:
case Types.SQL_DOUBLE:
case Types.SQL_NUMERIC:
case Types.SQL_DECIMAL:
case Types.TINYINT:
case Types.SQL_SMALLINT:
case Types.SQL_INTEGER:
case Types.SQL_BIGINT:
break;
default:
throw Error.error(ErrorCode.X_42562);
}
if (typeWidth == DOUBLE_WIDTH) {
return this;
}
if (((NumberType) other).typeWidth == DOUBLE_WIDTH) {
return other;
}
if (typeWidth <= BIGINT_WIDTH && ((NumberType) other).typeWidth <= BIGINT_WIDTH) {
return (typeWidth > ((NumberType) other).typeWidth) ? this : other;
}
int newScale = scale > other.scale ? scale : other.scale;
long newDigits =
precision - scale > other.precision - other.scale
? precision - scale
: other.precision - other.scale;
return getNumberType(Types.SQL_DECIMAL, newDigits + newScale, newScale);
}
/** @todo check and adjust max precision */
public static BinaryType getBinaryType(int type, long precision) {
switch (type) {
case Types.SQL_BINARY:
case Types.SQL_VARBINARY:
return new BinaryType(type, precision);
case Types.SQL_BLOB:
return new BlobType(precision);
default:
throw Error.runtimeError(ErrorCode.U_S0500, "BinaryType");
}
}
public Object convertToDefaultType(SessionInterface session, Object a) {
if (a == null) {
return a;
}
if (a instanceof byte[]) {
return new BinaryData((byte[]) a, false);
} else if (a instanceof BinaryData) {
return a;
} else if (a instanceof String) {
return castOrConvertToType(session, a, Type.SQL_VARCHAR, false);
}
throw Error.error(ErrorCode.X_22501);
}
/**
* Creates a new User object under management of this object.
*
* <p>A set of constraints regarding user creation is imposed:
*
* <p>
*
* <OL>
* <LI>If the specified name is null, then an ASSERTION_FAILED exception is thrown stating that
* the name is null.
* <LI>If this object's collection already contains an element whose name attribute equals the
* name argument, then a GRANTEE_ALREADY_EXISTS exception is thrown. (This will catch
* attempts to create Reserved grantee names).
* </OL>
*/
public User createUser(HsqlName name, String password) {
// This will throw an appropriate exception if grantee already exists,
// regardless of whether the name is in any User, Role, etc. list.
User user = granteeManager.addUser(name);
user.setPassword(password);
boolean success = userList.add(name.name, user);
if (!success) {
throw Error.error(ErrorCode.X_28503, name.statementName);
}
return user;
}
public BlobData overlay(
Session session,
BlobData data,
BlobData overlay,
long offset,
long length,
boolean hasLength) {
if (data == null || overlay == null) {
return null;
}
if (!hasLength) {
length = ((BlobData) overlay).length(session);
}
switch (typeCode) {
case Types.SQL_BINARY:
case Types.SQL_VARBINARY:
{
BinaryData binary =
new BinaryData(session, substring(session, data, 0, offset, true), overlay);
binary =
new BinaryData(session, binary, substring(session, data, offset + length, 0, false));
return binary;
}
case Types.SQL_BLOB:
{
byte[] bytes = substring(session, data, 0, offset, false).getBytes();
long blobLength = data.length(session) + overlay.length(session) - length;
BlobData blob = session.createBlob(blobLength);
blob.setBytes(session, 0, bytes);
blob.setBytes(session, blob.length(session), overlay.getBytes());
bytes = substring(session, data, offset + length, 0, false).getBytes();
blob.setBytes(session, blob.length(session), bytes);
return blob;
}
default:
throw Error.runtimeError(ErrorCode.U_S0500, "BinaryType");
}
}
/**
* Converter from a numeric object to Integer. Input is checked to be within range represented by
* the given number type.
*/
static Integer convertToInt(Object a, int type) {
int value;
if (a instanceof Integer) {
if (type == Types.SQL_INTEGER) {
return (Integer) a;
}
value = ((Integer) a).intValue();
} else if (a instanceof Long) {
long temp = ((Long) a).longValue();
if (Integer.MAX_VALUE < temp || temp < Integer.MIN_VALUE) {
throw Error.error(ErrorCode.X_22003);
}
value = (int) temp;
} else if (a instanceof BigDecimal) {
BigDecimal bd = ((BigDecimal) a);
if (bd.compareTo(MAX_INT) > 0 || bd.compareTo(MIN_INT) < 0) {
throw Error.error(ErrorCode.X_22003);
}
value = bd.intValue();
} else if (a instanceof Double || a instanceof Float) {
double d = ((Number) a).doubleValue();
if (Double.isInfinite(d)
|| Double.isNaN(d)
|| d >= (double) Integer.MAX_VALUE + 1
|| d <= (double) Integer.MIN_VALUE - 1) {
throw Error.error(ErrorCode.X_22003);
}
value = (int) d;
} else {
throw Error.error(ErrorCode.X_42561);
}
if (type == Types.TINYINT) {
if (Byte.MAX_VALUE < value || value < Byte.MIN_VALUE) {
throw Error.error(ErrorCode.X_22003);
}
} else if (type == Types.SQL_SMALLINT) {
if (Short.MAX_VALUE < value || value < Short.MIN_VALUE) {
throw Error.error(ErrorCode.X_22003);
}
}
return ValuePool.getInt(value);
}
private static BigDecimal convertToDecimal(Object a) {
if (a instanceof BigDecimal) {
return (BigDecimal) a;
} else if (a instanceof Integer || a instanceof Long) {
return BigDecimal.valueOf(((Number) a).longValue());
} else if (a instanceof Double) {
double value = ((Number) a).doubleValue();
if (Double.isInfinite(value) || Double.isNaN(value)) {
return null;
}
return new BigDecimal(value);
} else {
throw Error.runtimeError(ErrorCode.U_S0500, "NumberType");
}
}
@Override
public int displaySize() {
switch (typeCode) {
case Types.SQL_DECIMAL:
case Types.SQL_NUMERIC:
if (scale == 0) {
if (precision == 0) {
return 646456995; // precision + "-.".length()}
}
return (int) precision + 1;
}
if (precision == scale) {
return (int) precision + 3;
}
return (int) precision + 2;
case Types.SQL_FLOAT:
case Types.SQL_REAL:
case Types.SQL_DOUBLE:
return 23; // String.valueOf(-Double.MAX_VALUE).length();
case Types.SQL_BIGINT:
return 20; // decimal precision + "-".length();
case Types.SQL_INTEGER:
return 11; // decimal precision + "-".length();
case Types.SQL_SMALLINT:
return 6; // decimal precision + "-".length();
case Types.TINYINT:
return 4; // decimal precision + "-".length();
default:
throw Error.runtimeError(ErrorCode.U_S0500, "NumberType");
}
}
public BlobData substring(
SessionInterface session, BlobData data, long offset, long length, boolean hasLength) {
long end;
long dataLength = data.length(session);
if (hasLength) {
end = offset + length;
} else {
end = dataLength > offset ? dataLength : offset;
}
if (offset > end) {
throw Error.error(ErrorCode.X_22011);
}
if (offset > end || end < 0) {
// return zero length data
offset = 0;
end = 0;
}
if (offset < 0) {
offset = 0;
}
if (end > dataLength) {
end = dataLength;
}
length = end - offset;
// change method signature to take long
byte[] bytes = ((BlobData) data).getBytes(session, offset, (int) length);
return new BinaryData(bytes, false);
}
@Override
public String getJDBCClassName() {
switch (typeCode) {
case Types.TINYINT:
case Types.SQL_SMALLINT:
case Types.SQL_INTEGER:
case Types.SQL_BIGINT:
return "java.lang.Integer";
case Types.SQL_REAL:
case Types.SQL_FLOAT:
case Types.SQL_DOUBLE:
return "java.lang.Double";
case Types.SQL_NUMERIC:
case Types.SQL_DECIMAL:
return "java.math.BigDecimal";
default:
throw Error.runtimeError(ErrorCode.U_S0500, "NumberType");
}
}
public Object concat(Session session, Object a, Object b) {
if (a == null || b == null) {
return null;
}
long length = ((BlobData) a).length(session) + ((BlobData) b).length(session);
if (length > precision) {
throw Error.error(ErrorCode.X_22001);
}
if (typeCode == Types.SQL_BLOB) {
BlobData blob = session.createBlob(length);
blob.setBytes(session, 0, ((BlobData) b).getBytes());
blob.setBytes(session, ((BlobData) a).length(session), ((BlobData) b).getBytes());
return blob;
} else {
return new BinaryData(session, (BlobData) a, (BlobData) b);
}
}