Package org.h2.value
Class ValueReal
- java.lang.Object
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- org.h2.value.VersionedValue<Value>
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- org.h2.value.Value
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- org.h2.value.ValueReal
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Field Summary
Fields Modifier and Type Field Description (package private) static int
DECIMAL_PRECISION
The approximate precision in decimal digits.(package private) static int
DISPLAY_SIZE
The maximum display size of a REAL.private static ValueReal
NAN
static ValueReal
ONE
The value 1.(package private) static int
PRECISION
The precision in bits.private float
value
static ValueReal
ZERO
The value 0.static int
ZERO_BITS
Float.floatToIntBits(0f).-
Fields inherited from class org.h2.value.Value
ARRAY, ASSIGN_TO, BIGINT, BINARY, BLOB, BOOLEAN, CAST_TO, CHAR, CLOB, CONVERT_TO, DATE, DECFLOAT, DOUBLE, EMPTY_VALUES, ENUM, GEOMETRY, GROUP_BINARY_STRING, GROUP_BOOLEAN, GROUP_CHARACTER_STRING, GROUP_COLLECTION, GROUP_DATETIME, GROUP_INTERVAL_DT, GROUP_INTERVAL_YM, GROUP_NULL, GROUP_NUMERIC, GROUP_OTHER, GROUPS, INTEGER, INTERVAL_DAY, INTERVAL_DAY_TO_HOUR, INTERVAL_DAY_TO_MINUTE, INTERVAL_DAY_TO_SECOND, INTERVAL_HOUR, INTERVAL_HOUR_TO_MINUTE, INTERVAL_HOUR_TO_SECOND, INTERVAL_MINUTE, INTERVAL_MINUTE_TO_SECOND, INTERVAL_MONTH, INTERVAL_SECOND, INTERVAL_YEAR, INTERVAL_YEAR_TO_MONTH, JAVA_OBJECT, JSON, MAX_LONG_DECIMAL, MIN_LONG_DECIMAL, NULL, NUMERIC, REAL, ROW, SMALLINT, TIME, TIME_TZ, TIMESTAMP, TIMESTAMP_TZ, TINYINT, TYPE_COUNT, UNKNOWN, UUID, VARBINARY, VARCHAR, VARCHAR_IGNORECASE
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Fields inherited from interface org.h2.util.HasSQL
ADD_PLAN_INFORMATION, DEFAULT_SQL_FLAGS, NO_CASTS, QUOTE_ONLY_WHEN_REQUIRED, REPLACE_LOBS_FOR_TRACE, TRACE_SQL_FLAGS
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Constructor Summary
Constructors Modifier Constructor Description private
ValueReal(float value)
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Method Summary
All Methods Static Methods Instance Methods Concrete Methods Modifier and Type Method Description Value
add(Value v)
Add a value and return the result.int
compareTypeSafe(Value o, CompareMode mode, CastDataProvider provider)
Compare this value against another value given that the values are of the same data type.Value
divide(Value v, TypeInfo quotientType)
Divide by a value and return the result.boolean
equals(java.lang.Object other)
Check if the two values have the same hash code.static ValueReal
get(float d)
Get or create a REAL value for the given float.java.math.BigDecimal
getBigDecimal()
double
getDouble()
Returns this value as a Javadouble
value.float
getFloat()
Returns this value as a Javafloat
value.int
getSignum()
private java.lang.StringBuilder
getSQL(java.lang.StringBuilder builder)
java.lang.StringBuilder
getSQL(java.lang.StringBuilder builder, int sqlFlags)
Appends the SQL statement of this object to the specified builder.java.lang.String
getString()
Get the value as a string.TypeInfo
getType()
Returns the data type.int
getValueType()
Get the value type.int
hashCode()
Value
modulus(Value v)
Take the modulus with a value and return the result.Value
multiply(Value v)
Multiply with a value and return the result.Value
negate()
Return -value if this value support arithmetic operations.Value
subtract(Value v)
Subtract a value and return the result.-
Methods inherited from class org.h2.value.Value
cache, castTo, charLength, clearCache, compareTo, compareWithNull, containsNull, convertForAssignTo, convertTo, convertTo, convertTo, convertTo, convertTo, convertToAnyArray, convertToAnyRow, convertToBigint, convertToBoolean, convertToChar, convertToDate, convertToDouble, convertToEnum, convertToGeometry, convertToInt, convertToInt, convertToJavaObject, convertToReal, convertToSmallint, convertToTinyint, convertToUuid, getBoolean, getByte, getBytes, getBytesNoCopy, getDataConversionError, getDataConversionError, getHigherOrder, getHigherOrderKnown, getInputStream, getInputStream, getInt, getLong, getMemory, getReader, getReader, getShort, getTypeName, getUnsupportedExceptionForOperation, getValueTooLongException, isFalse, isTrue, octetLength, rangeCheck, toString
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Methods inherited from class org.h2.value.VersionedValue
getCommittedValue, getCurrentValue, getOperationId, isCommitted
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Methods inherited from class java.lang.Object
clone, finalize, getClass, notify, notifyAll, wait, wait, wait
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Methods inherited from interface org.h2.util.HasSQL
getSQL, getTraceSQL
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Field Detail
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PRECISION
static final int PRECISION
The precision in bits.- See Also:
- Constant Field Values
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DECIMAL_PRECISION
static final int DECIMAL_PRECISION
The approximate precision in decimal digits.- See Also:
- Constant Field Values
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DISPLAY_SIZE
static final int DISPLAY_SIZE
The maximum display size of a REAL. Example: -1.12345676E-20- See Also:
- Constant Field Values
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ZERO_BITS
public static final int ZERO_BITS
Float.floatToIntBits(0f).- See Also:
- Constant Field Values
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ZERO
public static final ValueReal ZERO
The value 0.
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ONE
public static final ValueReal ONE
The value 1.
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NAN
private static final ValueReal NAN
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value
private final float value
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Method Detail
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add
public Value add(Value v)
Description copied from class:Value
Add a value and return the result.
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subtract
public Value subtract(Value v)
Description copied from class:Value
Subtract a value and return the result.
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negate
public Value negate()
Description copied from class:Value
Return -value if this value support arithmetic operations.
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multiply
public Value multiply(Value v)
Description copied from class:Value
Multiply with a value and return the result.
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divide
public Value divide(Value v, TypeInfo quotientType)
Description copied from class:Value
Divide by a value and return the result.
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modulus
public Value modulus(Value v)
Description copied from class:Value
Take the modulus with a value and return the result.
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getSQL
public java.lang.StringBuilder getSQL(java.lang.StringBuilder builder, int sqlFlags)
Description copied from interface:HasSQL
Appends the SQL statement of this object to the specified builder.- Parameters:
builder
- string buildersqlFlags
- formatting flags- Returns:
- the specified string builder
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getSQL
private java.lang.StringBuilder getSQL(java.lang.StringBuilder builder)
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getValueType
public int getValueType()
Description copied from class:Value
Get the value type.- Specified by:
getValueType
in classValue
- Returns:
- the value type
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compareTypeSafe
public int compareTypeSafe(Value o, CompareMode mode, CastDataProvider provider)
Description copied from class:Value
Compare this value against another value given that the values are of the same data type.- Specified by:
compareTypeSafe
in classValue
- Parameters:
o
- the other valuemode
- the compare modeprovider
- the cast information provider- Returns:
- 0 if both values are equal, -1 if the other value is smaller, and 1 otherwise
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getBigDecimal
public java.math.BigDecimal getBigDecimal()
- Overrides:
getBigDecimal
in classValue
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getFloat
public float getFloat()
Description copied from class:Value
Returns this value as a Javafloat
value.
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getDouble
public double getDouble()
Description copied from class:Value
Returns this value as a Javadouble
value.
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getString
public java.lang.String getString()
Description copied from class:Value
Get the value as a string.
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get
public static ValueReal get(float d)
Get or create a REAL value for the given float.- Parameters:
d
- the float- Returns:
- the value
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equals
public boolean equals(java.lang.Object other)
Description copied from class:Value
Check if the two values have the same hash code. No data conversion is made; this method returns false if the other object is not of the same class. For some values, compareTo may return 0 even if equals return false. Example: ValueDecimal 0.0 and 0.00.
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