/**
* 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);
}
}
@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 Object convertToType(SessionInterface session, Object a, Type otherType) {
if (a == null) {
return a;
}
if (otherType.typeCode == typeCode) {
switch (typeCode) {
case Types.SQL_NUMERIC:
case Types.SQL_DECIMAL:
if (otherType.scale == scale && otherType.precision <= precision) {
return a;
}
break;
default:
return a;
}
}
if (otherType.isIntervalType()) {
int endType = ((IntervalType) otherType).endIntervalType;
switch (endType) {
case Types.SQL_INTERVAL_YEAR:
case Types.SQL_INTERVAL_MONTH:
case Types.SQL_INTERVAL_DAY:
case Types.SQL_INTERVAL_HOUR:
case Types.SQL_INTERVAL_MINUTE:
{
Long value = ValuePool.getLong(((IntervalType) otherType).convertToLong(a));
return convertToType(session, value, Type.SQL_BIGINT);
}
case Types.SQL_INTERVAL_SECOND:
{
long seconds = ((IntervalSecondData) a).units;
long nanos = ((IntervalSecondData) a).nanos;
BigDecimal value = ((DTIType) otherType).getSecondPart(seconds, nanos);
return value;
}
}
}
switch (otherType.typeCode) {
case Types.SQL_CLOB:
a = ((ClobData) a).getSubString(session, 0L, (int) ((ClobData) a).length(session));
// fall through
case Types.SQL_CHAR:
case Types.SQL_VARCHAR:
case Types.VARCHAR_IGNORECASE:
{
a = session.getScanner().convertToNumber((String) a, this);
return convertToDefaultType(session, a);
}
case Types.TINYINT:
case Types.SQL_SMALLINT:
case Types.SQL_INTEGER:
case Types.SQL_BIGINT:
case Types.SQL_REAL:
case Types.SQL_FLOAT:
case Types.SQL_DOUBLE:
case Types.SQL_NUMERIC:
case Types.SQL_DECIMAL:
break;
default:
throw Error.error(ErrorCode.X_42561);
}
switch (this.typeCode) {
case Types.TINYINT:
case Types.SQL_SMALLINT:
case Types.SQL_INTEGER:
return convertToInt(a, this.typeCode);
case Types.SQL_BIGINT:
return convertToLong(a);
case Types.SQL_REAL:
case Types.SQL_FLOAT:
case Types.SQL_DOUBLE:
return convertToDouble(a);
case Types.SQL_NUMERIC:
case Types.SQL_DECIMAL:
BigDecimal value = convertToDecimal(a);
return convertToTypeLimits(session, value);
default:
throw Error.error(ErrorCode.X_42561);
}
}
@Override
public Object negate(Object a) {
if (a == null) {
return null;
}
switch (typeCode) {
case Types.SQL_REAL:
case Types.SQL_FLOAT:
case Types.SQL_DOUBLE:
{
double ad = -((Number) a).doubleValue();
return ValuePool.getDouble(Double.doubleToLongBits(ad));
}
case Types.SQL_NUMERIC:
case Types.SQL_DECIMAL:
return ((BigDecimal) a).negate();
case Types.TINYINT:
{
int value = ((Number) a).intValue();
if (value == Byte.MIN_VALUE) {
throw Error.error(ErrorCode.X_22003);
}
return ValuePool.getInt(-value);
}
case Types.SQL_SMALLINT:
{
int value = ((Number) a).intValue();
if (value == Short.MIN_VALUE) {
throw Error.error(ErrorCode.X_22003);
}
return ValuePool.getInt(-value);
}
case Types.SQL_INTEGER:
{
int value = ((Number) a).intValue();
if (value == Integer.MIN_VALUE) {
throw Error.error(ErrorCode.X_22003);
}
return ValuePool.getInt(-value);
}
case Types.SQL_BIGINT:
{
long value = ((Number) a).longValue();
if (value == Long.MIN_VALUE) {
throw Error.error(ErrorCode.X_22003);
}
return ValuePool.getLong(-value);
}
default:
throw Error.runtimeError(ErrorCode.U_S0500, "NumberType");
}
}
@Override
public Object divide(Object a, Object b) {
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();
if (bd == 0) {
throw Error.error(ErrorCode.X_22012);
}
return ValuePool.getDouble(Double.doubleToLongBits(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;
int scale = abd.scale() > bbd.scale() ? abd.scale() : bbd.scale();
if (bbd.signum() == 0) {
throw Error.error(ErrorCode.X_22012);
}
return abd.divide(bbd, scale, BigDecimal.ROUND_DOWN);
}
case Types.TINYINT:
case Types.SQL_SMALLINT:
case Types.SQL_INTEGER:
{
int ai = ((Number) a).intValue();
int bi = ((Number) b).intValue();
if (bi == 0) {
throw Error.error(ErrorCode.X_22012);
}
return ValuePool.getInt(ai / bi);
}
case Types.SQL_BIGINT:
{
long al = ((Number) a).longValue();
long bl = ((Number) b).longValue();
if (bl == 0) {
throw Error.error(ErrorCode.X_22012);
}
return ValuePool.getLong(al / bl);
}
default:
throw Error.runtimeError(ErrorCode.U_S0500, "NumberType");
}
}
