Value

java.lang.Object
- org.h2.value.VersionedValue<Value>
- - org.h2.value.Value

All Implemented Interfaces:

HasSQL, Typed

Direct Known Subclasses:

SearchRow, SpatialKey, ValueBigint, ValueBinary, ValueBoolean, ValueChar, ValueCollectionBase, ValueDate, ValueDecfloat, ValueDouble, ValueEnumBase, ValueGeometry, ValueInteger, ValueInterval, ValueJavaObject, ValueJson, ValueLob, ValueNull, ValueNumeric, ValueReal, ValueSmallint, ValueTime, ValueTimestamp, ValueTimestampTimeZone, ValueTimeTimeZone, ValueTinyint, ValueUuid, ValueVarbinary, ValueVarchar, ValueVarcharIgnoreCase
```
public abstract class Value
extends VersionedValue<Value>
implements HasSQL, Typed
```
This is the base class for all value classes. It provides conversion and comparison methods.

Field Summary

Fields
Modifier and Type	Field and Description
`static int`	`ARRAY` The value type for ARRAY values.
`static int`	`BIGINT` The value type for BIGINT values.
`static int`	`BINARY` The value type for BINARY values.
`static int`	`BLOB` The value type for BINARY LARGE OBJECT values.
`static int`	`BOOLEAN` The value type for BOOLEAN values.
`static int`	`CHAR` The value type for CHARACTER values.
`static int`	`CLOB` The value type for CHARACTER LARGE OBJECT values.
`static int`	`DATE` The value type for DATE values.
`static int`	`DECFLOAT` The value type for DECFLOAT values.
`static int`	`DOUBLE` The value type for DOUBLE PRECISION values.
`static Value[]`	`EMPTY_VALUES` Empty array of values.
`static int`	`ENUM` The value type for ENUM values.
`static int`	`GEOMETRY` The value type for string values with a fixed size.
`static int`	`INTEGER` The value type for INTEGER values.
`static int`	`INTERVAL_DAY` The value type for `INTERVAL DAY` values.
`static int`	`INTERVAL_DAY_TO_HOUR` The value type for `INTERVAL DAY TO HOUR` values.
`static int`	`INTERVAL_DAY_TO_MINUTE` The value type for `INTERVAL DAY TO MINUTE` values.
`static int`	`INTERVAL_DAY_TO_SECOND` The value type for `INTERVAL DAY TO SECOND` values.
`static int`	`INTERVAL_HOUR` The value type for `INTERVAL HOUR` values.
`static int`	`INTERVAL_HOUR_TO_MINUTE` The value type for `INTERVAL HOUR TO MINUTE` values.
`static int`	`INTERVAL_HOUR_TO_SECOND` The value type for `INTERVAL HOUR TO SECOND` values.
`static int`	`INTERVAL_MINUTE` The value type for `INTERVAL MINUTE` values.
`static int`	`INTERVAL_MINUTE_TO_SECOND` The value type for `INTERVAL MINUTE TO SECOND` values.
`static int`	`INTERVAL_MONTH` The value type for `INTERVAL MONTH` values.
`static int`	`INTERVAL_SECOND` The value type for `INTERVAL SECOND` values.
`static int`	`INTERVAL_YEAR` The value type for `INTERVAL YEAR` values.
`static int`	`INTERVAL_YEAR_TO_MONTH` The value type for `INTERVAL YEAR TO MONTH` values.
`static int`	`JAVA_OBJECT` The value type for JAVA_OBJECT values.
`static int`	`JSON` The value type for JSON values.
`static java.math.BigDecimal`	`MIN_LONG_DECIMAL` The smallest Long value, as a BigDecimal.
`static int`	`NULL` The value type for NULL.
`static int`	`NUMERIC` The value type for NUMERIC values.
`static int`	`REAL` The value type for REAL values.
`static int`	`ROW` The value type for ROW values.
`static int`	`SMALLINT` The value type for SMALLINT values.
`static int`	`TIME` The value type for TIME values.
`static int`	`TIME_TZ` The value type for TIME WITH TIME ZONE values.
`static int`	`TIMESTAMP` The value type for TIMESTAMP values.
`static int`	`TIMESTAMP_TZ` The value type for TIMESTAMP WITH TIME ZONE values.
`static int`	`TINYINT` The value type for TINYINT values.
`static int`	`TYPE_COUNT` The number of value types.
`static int`	`UNKNOWN` The data type is unknown at this time.
`static int`	`UUID` The value type for UUID values.
`static int`	`VARBINARY` The value type for BINARY VARYING values.
`static int`	`VARCHAR` The value type for CHARACTER VARYING values.
`static int`	`VARCHAR_IGNORECASE` The value type for VARCHAR_IGNORECASE values.

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

Constructor Summary

Constructors
Constructor and Description

Value()

Constructors
Constructor and Description
`Value()`

Method Summary

All Methods Static Methods Instance Methods Abstract Methods Concrete Methods
Modifier and Type	Method and Description
`Value`	`add(Value v)` Add a value and return the result.
`Value`	`castTo(TypeInfo targetType, CastDataProvider provider)` Cast a value to the specified type.
`long`	`charLength()` Returns length of this value in characters.
`static void`	`clearCache()` Clear the value cache.
`int`	`compareTo(Value v, CastDataProvider provider, CompareMode compareMode)` Compare this value against another value using the specified compare mode.
`abstract int`	`compareTypeSafe(Value v, CompareMode mode, CastDataProvider provider)` Compare this value against another value given that the values are of the same data type.
`int`	`compareWithNull(Value v, boolean forEquality, CastDataProvider provider, CompareMode compareMode)` Compare this value against another value using the specified compare mode.
`boolean`	`containsNull()` Returns true if this value is NULL or contains NULL value.
`Value`	`convertForAssignTo(TypeInfo targetType, CastDataProvider provider, java.lang.Object column)` Cast a value to the specified type for assignment.
`Value`	`convertTo(int targetType)` Convert a value to the specified type without taking scale and precision into account.
`Value`	`convertTo(int targetType, CastDataProvider provider)` Convert a value to the specified type without taking scale and precision into account.
`Value`	`convertTo(TypeInfo targetType)` Convert a value to the specified type without taking scale and precision into account.
`Value`	`convertTo(TypeInfo targetType, CastDataProvider provider)` Convert a value to the specified type without taking scale and precision into account.
`Value`	`convertTo(TypeInfo targetType, CastDataProvider provider, java.lang.Object column)` Convert a value to the specified type without taking scale and precision into account.
`ValueArray`	`convertToAnyArray(CastDataProvider provider)` Convert this value to any ARRAY data type.
`ValueJson`	`convertToAnyJson()` Convert this value to JSON data type.
`ValueRow`	`convertToAnyRow()` Convert this value to any ROW data type.
`ValueBigint`	`convertToBigint(java.lang.Object column)` Converts this value to a BIGINT value.
`ValueBoolean`	`convertToBoolean()` Converts this value to a BOOLEAN value.
`ValueChar`	`convertToChar()` Converts this value to a CHAR value.
`ValueDate`	`convertToDate(CastDataProvider provider)` Converts this value to a DATE value.
`ValueDouble`	`convertToDouble()` Converts this value to a DOUBLE value.
`ValueEnum`	`convertToEnum(ExtTypeInfoEnum extTypeInfo, CastDataProvider provider)` Converts this value to an ENUM value.
`ValueGeometry`	`convertToGeometry(ExtTypeInfoGeometry extTypeInfo)` Converts this value to a GEOMETRY value.
`static int`	`convertToInt(long x, java.lang.Object column)` Convert to integer, throwing exception if out of range.
`ValueInteger`	`convertToInt(java.lang.Object column)` Converts this value to a INT value.
`ValueJavaObject`	`convertToJavaObject(TypeInfo targetType, int conversionMode, java.lang.Object column)` Converts this value to a JAVA_OBJECT value.
`ValueReal`	`convertToReal()` Converts this value to a REAL value.
`ValueSmallint`	`convertToSmallint(java.lang.Object column)` Converts this value to a SMALLINT value.
`ValueTinyint`	`convertToTinyint(java.lang.Object column)` Converts this value to a TINYINT value.
`ValueUuid`	`convertToUuid()` Converts this value to a UUID value.
`Value`	`divide(Value v, TypeInfo quotientType)` Divide by a value and return the result.
`abstract boolean`	`equals(java.lang.Object other)` Check if the two values have the same hash code.
`java.math.BigDecimal`	`getBigDecimal()`
`boolean`	`getBoolean()` Returns this value as a Java `boolean` value.
`byte`	`getByte()` Returns this value as a Java `byte` value.
`byte[]`	`getBytes()`
`byte[]`	`getBytesNoCopy()`
`double`	`getDouble()` Returns this value as a Java `double` value.
`float`	`getFloat()` Returns this value as a Java `float` value.
`static int`	`getHigherOrder(int t1, int t2)` Get the higher value order type of two value types.
`java.io.InputStream`	`getInputStream()`
`java.io.InputStream`	`getInputStream(long oneBasedOffset, long length)` Get the input stream
`int`	`getInt()` Returns this value as a Java `int` value.
`long`	`getLong()` Returns this value as a Java `long` value.
`int`	`getMemory()` Get the memory used by this object.
`java.io.Reader`	`getReader()`
`java.io.Reader`	`getReader(long oneBasedOffset, long length)` Get the reader
`short`	`getShort()` Returns this value as a Java `short` value.
`int`	`getSignum()`
`abstract java.lang.String`	`getString()` Get the value as a string.
`abstract TypeInfo`	`getType()` Returns the data type.
`static java.lang.String`	`getTypeName(int valueType)` Returns name of the specified data type.
`protected DbException`	`getUnsupportedExceptionForOperation(java.lang.String op)` Create an exception meaning the specified operation is not supported for this data type.
`abstract int`	`getValueType()` Get the value type.
`Value`	`getValueWithFirstNull(Value v)` Scans this and specified values until a first NULL occurrence and returns a value where NULL appears earlier, or `null` if these two values have first NULL on the same position.
`abstract int`	`hashCode()`
`boolean`	`isFalse()` Returns whether this value `IS FALSE`.
`boolean`	`isTrue()` Returns whether this value `IS TRUE`.
`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.
`long`	`octetLength()` Returns length of this value in bytes.
`Value`	`subtract(Value v)` Subtract a value and return the result.
`java.lang.String`	`toString()`

Methods inherited from class org.h2.value.VersionedValue
getCommittedValue, getCurrentValue, getOperationId, isCommitted

Methods inherited from class java.lang.Object
clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface org.h2.util.HasSQL
getSQL, getSQL, getTraceSQL

- Field Detail
  - UNKNOWN
```
public static final int UNKNOWN
```
    The data type is unknown at this time.
    
    See Also:
    
    Constant Field Values
  - NULL
```
public static final int NULL
```
    The value type for NULL.
    
    See Also:
    
    Constant Field Values
  - CHAR
```
public static final int CHAR
```
    The value type for CHARACTER values.
    
    See Also:
    
    Constant Field Values
  - VARCHAR
```
public static final int VARCHAR
```
    The value type for CHARACTER VARYING values.
    
    See Also:
    
    Constant Field Values
  - CLOB
```
public static final int CLOB
```
    The value type for CHARACTER LARGE OBJECT values.
    
    See Also:
    
    Constant Field Values
  - VARCHAR_IGNORECASE
```
public static final int VARCHAR_IGNORECASE
```
    The value type for VARCHAR_IGNORECASE values.
    
    See Also:
    
    Constant Field Values
  - BINARY
```
public static final int BINARY
```
    The value type for BINARY values.
    
    See Also:
    
    Constant Field Values
  - VARBINARY
```
public static final int VARBINARY
```
    The value type for BINARY VARYING values.
    
    See Also:
    
    Constant Field Values
  - BLOB
```
public static final int BLOB
```
    The value type for BINARY LARGE OBJECT values.
    
    See Also:
    
    Constant Field Values
  - BOOLEAN
```
public static final int BOOLEAN
```
    The value type for BOOLEAN values.
    
    See Also:
    
    Constant Field Values
  - TINYINT
```
public static final int TINYINT
```
    The value type for TINYINT values.
    
    See Also:
    
    Constant Field Values
  - SMALLINT
```
public static final int SMALLINT
```
    The value type for SMALLINT values.
    
    See Also:
    
    Constant Field Values
  - INTEGER
```
public static final int INTEGER
```
    The value type for INTEGER values.
    
    See Also:
    
    Constant Field Values
  - BIGINT
```
public static final int BIGINT
```
    The value type for BIGINT values.
    
    See Also:
    
    Constant Field Values
  - NUMERIC
```
public static final int NUMERIC
```
    The value type for NUMERIC values.
    
    See Also:
    
    Constant Field Values
  - REAL
```
public static final int REAL
```
    The value type for REAL values.
    
    See Also:
    
    Constant Field Values
  - DOUBLE
```
public static final int DOUBLE
```
    The value type for DOUBLE PRECISION values.
    
    See Also:
    
    Constant Field Values
  - DECFLOAT
```
public static final int DECFLOAT
```
    The value type for DECFLOAT values.
    
    See Also:
    
    Constant Field Values
  - DATE
```
public static final int DATE
```
    The value type for DATE values.
    
    See Also:
    
    Constant Field Values
  - TIME
```
public static final int TIME
```
    The value type for TIME values.
    
    See Also:
    
    Constant Field Values
  - TIME_TZ
```
public static final int TIME_TZ
```
    The value type for TIME WITH TIME ZONE values.
    
    See Also:
    
    Constant Field Values
  - TIMESTAMP
```
public static final int TIMESTAMP
```
    The value type for TIMESTAMP values.
    
    See Also:
    
    Constant Field Values
  - TIMESTAMP_TZ
```
public static final int TIMESTAMP_TZ
```
    The value type for TIMESTAMP WITH TIME ZONE values.
    
    See Also:
    
    Constant Field Values
  - INTERVAL_YEAR
```
public static final int INTERVAL_YEAR
```
    The value type for INTERVAL YEAR values.
    
    See Also:
    
    Constant Field Values
  - INTERVAL_MONTH
```
public static final int INTERVAL_MONTH
```
    The value type for INTERVAL MONTH values.
    
    See Also:
    
    Constant Field Values
  - INTERVAL_DAY
```
public static final int INTERVAL_DAY
```
    The value type for INTERVAL DAY values.
    
    See Also:
    
    Constant Field Values
  - INTERVAL_HOUR
```
public static final int INTERVAL_HOUR
```
    The value type for INTERVAL HOUR values.
    
    See Also:
    
    Constant Field Values
  - INTERVAL_MINUTE
```
public static final int INTERVAL_MINUTE
```
    The value type for INTERVAL MINUTE values.
    
    See Also:
    
    Constant Field Values
  - INTERVAL_SECOND
```
public static final int INTERVAL_SECOND
```
    The value type for INTERVAL SECOND values.
    
    See Also:
    
    Constant Field Values
  - INTERVAL_YEAR_TO_MONTH
```
public static final int INTERVAL_YEAR_TO_MONTH
```
    The value type for INTERVAL YEAR TO MONTH values.
    
    See Also:
    
    Constant Field Values
  - INTERVAL_DAY_TO_HOUR
```
public static final int INTERVAL_DAY_TO_HOUR
```
    The value type for INTERVAL DAY TO HOUR values.
    
    See Also:
    
    Constant Field Values
  - INTERVAL_DAY_TO_MINUTE
```
public static final int INTERVAL_DAY_TO_MINUTE
```
    The value type for INTERVAL DAY TO MINUTE values.
    
    See Also:
    
    Constant Field Values
  - INTERVAL_DAY_TO_SECOND
```
public static final int INTERVAL_DAY_TO_SECOND
```
    The value type for INTERVAL DAY TO SECOND values.
    
    See Also:
    
    Constant Field Values
  - INTERVAL_HOUR_TO_MINUTE
```
public static final int INTERVAL_HOUR_TO_MINUTE
```
    The value type for INTERVAL HOUR TO MINUTE values.
    
    See Also:
    
    Constant Field Values
  - INTERVAL_HOUR_TO_SECOND
```
public static final int INTERVAL_HOUR_TO_SECOND
```
    The value type for INTERVAL HOUR TO SECOND values.
    
    See Also:
    
    Constant Field Values
  - INTERVAL_MINUTE_TO_SECOND
```
public static final int INTERVAL_MINUTE_TO_SECOND
```
    The value type for INTERVAL MINUTE TO SECOND values.
    
    See Also:
    
    Constant Field Values
  - JAVA_OBJECT
```
public static final int JAVA_OBJECT
```
    The value type for JAVA_OBJECT values.
    
    See Also:
    
    Constant Field Values
  - ENUM
```
public static final int ENUM
```
    The value type for ENUM values.
    
    See Also:
    
    Constant Field Values
  - GEOMETRY
```
public static final int GEOMETRY
```
    The value type for string values with a fixed size.
    
    See Also:
    
    Constant Field Values
  - JSON
```
public static final int JSON
```
    The value type for JSON values.
    
    See Also:
    
    Constant Field Values
  - UUID
```
public static final int UUID
```
    The value type for UUID values.
    
    See Also:
    
    Constant Field Values
  - ARRAY
```
public static final int ARRAY
```
    The value type for ARRAY values.
    
    See Also:
    
    Constant Field Values
  - ROW
```
public static final int ROW
```
    The value type for ROW values.
    
    See Also:
    
    Constant Field Values
  - TYPE_COUNT
```
public static final int TYPE_COUNT
```
    The number of value types.
    
    See Also:
    
    Constant Field Values
  - EMPTY_VALUES
```
public static final Value[] EMPTY_VALUES
```
    Empty array of values.
  - MIN_LONG_DECIMAL
```
public static final java.math.BigDecimal MIN_LONG_DECIMAL
```
    The smallest Long value, as a BigDecimal.
- Constructor Detail
  - Value
```
public Value()
```
- Method Detail
  - getTypeName
```
public static java.lang.String getTypeName(int valueType)
```
    Returns name of the specified data type.
    
    Parameters:
    
    valueType - the value type
    
    Returns:
    
    the name
  - getType
```
public abstract TypeInfo getType()
```
    Description copied from interface: Typed
    
    Returns the data type.
    
    Specified by:
    
    getType in interface Typed
    
    Returns:
    
    the data type
  - getValueType
```
public abstract int getValueType()
```
    Get the value type.
    
    Returns:
    
    the value type
  - getMemory
```
public int getMemory()
```
    Get the memory used by this object.
    
    Returns:
    
    the memory used in bytes
  - hashCode
```
public abstract int hashCode()
```
    Overrides:
    
    hashCode in class java.lang.Object
  - equals
```
public abstract boolean equals(java.lang.Object other)
```
    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.
    
    Overrides:
    
    equals in class java.lang.Object
    
    Parameters:
    
    other - the other value
    
    Returns:
    
    true if they are equal
  - getHigherOrder
```
public static int getHigherOrder(int t1,
                                 int t2)
```
    Get the higher value order type of two value types. If values need to be converted to match the other operands value type, the value with the lower order is converted to the value with the higher order.
    
    Parameters:
    
    t1 - the first value type
    
    t2 - the second value type
    
    Returns:
    
    the higher value type of the two
  - clearCache
```
public static void clearCache()
```
    Clear the value cache. Used for testing.
  - getString
```
public abstract java.lang.String getString()
```
    Get the value as a string.
    
    Returns:
    
    the string
  - getReader
```
public java.io.Reader getReader()
```
  - getReader
```
public java.io.Reader getReader(long oneBasedOffset,
                                long length)
```
    Get the reader
    
    Parameters:
    
    oneBasedOffset - the offset (1 means no offset)
    
    length - the requested length
    
    Returns:
    
    the new reader
  - getBytes
```
public byte[] getBytes()
```
  - getBytesNoCopy
```
public byte[] getBytesNoCopy()
```
  - getInputStream
```
public java.io.InputStream getInputStream()
```
  - getInputStream
```
public java.io.InputStream getInputStream(long oneBasedOffset,
                                          long length)
```
    Get the input stream
    
    Parameters:
    
    oneBasedOffset - the offset (1 means no offset)
    
    length - the requested length
    
    Returns:
    
    the new input stream
  - getBoolean
```
public boolean getBoolean()
```
    Returns this value as a Java boolean value.
    
    Returns:
    
    value
    
    Throws:
    
    DbException - if this value is NULL or cannot be casted to BOOLEAN
    
    See Also:
    
    isTrue(), isFalse()
  - getByte
```
public byte getByte()
```
    Returns this value as a Java byte value.
    
    Returns:
    
    value
    
    Throws:
    
    DbException - if this value is NULL or cannot be casted to TINYINT
  - getShort
```
public short getShort()
```
    Returns this value as a Java short value.
    
    Returns:
    
    value
    
    Throws:
    
    DbException - if this value is NULL or cannot be casted to SMALLINT
  - getInt
```
public int getInt()
```
    Returns this value as a Java int value.
    
    Returns:
    
    value
    
    Throws:
    
    DbException - if this value is NULL or cannot be casted to INTEGER
  - getLong
```
public long getLong()
```
    Returns this value as a Java long value.
    
    Returns:
    
    value
    
    Throws:
    
    DbException - if this value is NULL or cannot be casted to BIGINT
  - getBigDecimal
```
public java.math.BigDecimal getBigDecimal()
```
  - getFloat
```
public float getFloat()
```
    Returns this value as a Java float value.
    
    Returns:
    
    value
    
    Throws:
    
    DbException - if this value is NULL or cannot be casted to REAL
  - getDouble
```
public double getDouble()
```
    Returns this value as a Java double value.
    
    Returns:
    
    value
    
    Throws:
    
    DbException - if this value is NULL or cannot be casted to DOUBLE PRECISION
  - add
```
public Value add(Value v)
```
    Add a value and return the result.
    
    Parameters:
    
    v - the value to add
    
    Returns:
    
    the result
  - getSignum
```
public int getSignum()
```
  - negate
```
public Value negate()
```
    Return -value if this value support arithmetic operations.
    
    Returns:
    
    the negative
  - subtract
```
public Value subtract(Value v)
```
    Subtract a value and return the result.
    
    Parameters:
    
    v - the value to subtract
    
    Returns:
    
    the result
  - divide
```
public Value divide(Value v,
                    TypeInfo quotientType)
```
    Divide by a value and return the result.
    
    Parameters:
    
    v - the divisor
    
    quotientType - the type of quotient (used only to read precision and scale when applicable)
    
    Returns:
    
    the result
  - multiply
```
public Value multiply(Value v)
```
    Multiply with a value and return the result.
    
    Parameters:
    
    v - the value to multiply with
    
    Returns:
    
    the result
  - modulus
```
public Value modulus(Value v)
```
    Take the modulus with a value and return the result.
    
    Parameters:
    
    v - the value to take the modulus with
    
    Returns:
    
    the result
  - convertTo
```
public final Value convertTo(int targetType)
```
    Convert a value to the specified type without taking scale and precision into account.
    
    Parameters:
    
    targetType - the type of the returned value
    
    Returns:
    
    the converted value
  - convertTo
```
public final Value convertTo(TypeInfo targetType)
```
    Convert a value to the specified type without taking scale and precision into account.
    
    Parameters:
    
    targetType - the type of the returned value
    
    Returns:
    
    the converted value
  - convertTo
```
public final Value convertTo(int targetType,
                             CastDataProvider provider)
```
    Convert a value to the specified type without taking scale and precision into account.
    
    Parameters:
    
    targetType - the type of the returned value
    
    provider - the cast information provider
    
    Returns:
    
    the converted value
  - convertTo
```
public final Value convertTo(TypeInfo targetType,
                             CastDataProvider provider)
```
    Convert a value to the specified type without taking scale and precision into account.
    
    Parameters:
    
    targetType - the type of the returned value
    
    provider - the cast information provider
    
    Returns:
    
    the converted value
  - convertTo
```
public final Value convertTo(TypeInfo targetType,
                             CastDataProvider provider,
                             java.lang.Object column)
```
    Convert a value to the specified type without taking scale and precision into account.
    
    Parameters:
    
    targetType - the type of the returned value
    
    provider - the cast information provider
    
    column - the column, used to improve the error message if conversion fails
    
    Returns:
    
    the converted value
  - convertToAnyJson
```
public final ValueJson convertToAnyJson()
```
    Convert this value to JSON data type.
    
    Returns:
    
    a JSON value
  - convertToAnyArray
```
public final ValueArray convertToAnyArray(CastDataProvider provider)
```
    Convert this value to any ARRAY data type.
    
    Parameters:
    
    provider - the cast information provider
    
    Returns:
    
    a row value
  - convertToAnyRow
```
public final ValueRow convertToAnyRow()
```
    Convert this value to any ROW data type.
    
    Returns:
    
    a row value
  - castTo
```
public final Value castTo(TypeInfo targetType,
                          CastDataProvider provider)
```
    Cast a value to the specified type. The scale is set if applicable. The value is truncated to the required precision.
    
    Parameters:
    
    targetType - the type of the returned value
    
    provider - the cast information provider
    
    Returns:
    
    the converted value
  - convertForAssignTo
```
public final Value convertForAssignTo(TypeInfo targetType,
                                      CastDataProvider provider,
                                      java.lang.Object column)
```
    Cast a value to the specified type for assignment. The scale is set if applicable. If precision is too large an exception is thrown.
    
    Parameters:
    
    targetType - the type of the returned value
    
    provider - the cast information provider
    
    column - the column, used to improve the error message if conversion fails
    
    Returns:
    
    the converted value
  - convertToChar
```
public ValueChar convertToChar()
```
    Converts this value to a CHAR value. May not be called on a NULL value.
    
    Returns:
    
    a CHAR value.
  - convertToBoolean
```
public final ValueBoolean convertToBoolean()
```
    Converts this value to a BOOLEAN value. May not be called on a NULL value.
    
    Returns:
    
    the BOOLEAN value
  - convertToTinyint
```
public final ValueTinyint convertToTinyint(java.lang.Object column)
```
    Converts this value to a TINYINT value. May not be called on a NULL value.
    
    Parameters:
    
    column - the column, used for to improve the error message if conversion fails
    
    Returns:
    
    the TINYINT value
  - convertToSmallint
```
public final ValueSmallint convertToSmallint(java.lang.Object column)
```
    Converts this value to a SMALLINT value. May not be called on a NULL value.
    
    Parameters:
    
    column - the column, used for to improve the error message if conversion fails
    
    Returns:
    
    the SMALLINT value
  - convertToInt
```
public final ValueInteger convertToInt(java.lang.Object column)
```
    Converts this value to a INT value. May not be called on a NULL value.
    
    Parameters:
    
    column - the column, used for to improve the error message if conversion fails
    
    Returns:
    
    the INT value
  - convertToBigint
```
public final ValueBigint convertToBigint(java.lang.Object column)
```
    Converts this value to a BIGINT value. May not be called on a NULL value.
    
    Parameters:
    
    column - the column, used for to improve the error message if conversion fails
    
    Returns:
    
    the BIGINT value
  - convertToReal
```
public final ValueReal convertToReal()
```
    Converts this value to a REAL value. May not be called on a NULL value.
    
    Returns:
    
    the REAL value
  - convertToDouble
```
public final ValueDouble convertToDouble()
```
    Converts this value to a DOUBLE value. May not be called on a NULL value.
    
    Returns:
    
    the DOUBLE value
  - convertToDate
```
public final ValueDate convertToDate(CastDataProvider provider)
```
    Converts this value to a DATE value. May not be called on a NULL value.
    
    Parameters:
    
    provider - the cast information provider
    
    Returns:
    
    the DATE value
  - convertToJavaObject
```
public final ValueJavaObject convertToJavaObject(TypeInfo targetType,
                                                 int conversionMode,
                                                 java.lang.Object column)
```
    Converts this value to a JAVA_OBJECT value. May not be called on a NULL value.
    
    Parameters:
    
    targetType - the type of the returned value
    
    conversionMode - conversion mode
    
    column - the column (if any), used to improve the error message if conversion fails
    
    Returns:
    
    the JAVA_OBJECT value
  - convertToEnum
```
public final ValueEnum convertToEnum(ExtTypeInfoEnum extTypeInfo,
                                     CastDataProvider provider)
```
    Converts this value to an ENUM value. May not be called on a NULL value.
    
    Parameters:
    
    extTypeInfo - the extended data type information
    
    provider - the cast information provider
    
    Returns:
    
    the ENUM value
  - convertToGeometry
```
public final ValueGeometry convertToGeometry(ExtTypeInfoGeometry extTypeInfo)
```
    Converts this value to a GEOMETRY value. May not be called on a NULL value.
    
    Parameters:
    
    extTypeInfo - the extended data type information, or null
    
    Returns:
    
    the GEOMETRY value
  - convertToUuid
```
public final ValueUuid convertToUuid()
```
    Converts this value to a UUID value. May not be called on a NULL value.
    
    Returns:
    
    the UUID value
  - compareTypeSafe
```
public abstract int compareTypeSafe(Value v,
                                    CompareMode mode,
                                    CastDataProvider provider)
```
    Compare this value against another value given that the values are of the same data type.
    
    Parameters:
    
    v - the other value
    
    mode - the compare mode
    
    provider - the cast information provider
    
    Returns:
    
    0 if both values are equal, -1 if the other value is smaller, and 1 otherwise
  - compareTo
```
public final int compareTo(Value v,
                           CastDataProvider provider,
                           CompareMode compareMode)
```
    Compare this value against another value using the specified compare mode.
    
    Parameters:
    
    v - the other value
    
    provider - the cast information provider
    
    compareMode - the compare mode
    
    Returns:
    
    0 if both values are equal, -1 if this value is smaller, and 1 otherwise
  - compareWithNull
```
public int compareWithNull(Value v,
                           boolean forEquality,
                           CastDataProvider provider,
                           CompareMode compareMode)
```
    Compare this value against another value using the specified compare mode.
    
    Parameters:
    
    v - the other value
    
    forEquality - perform only check for equality
    
    provider - the cast information provider
    
    compareMode - the compare mode
    
    Returns:
    
    0 if both values are equal, -1 if this value is smaller, 1 if other value is larger, Integer.MIN_VALUE if order is not defined due to NULL comparison
  - containsNull
```
public boolean containsNull()
```
    Returns true if this value is NULL or contains NULL value.
    
    Returns:
    
    true if this value is NULL or contains NULL value
  - getValueWithFirstNull
```
public Value getValueWithFirstNull(Value v)
```
    Scans this and specified values until a first NULL occurrence and returns a value where NULL appears earlier, or null if these two values have first NULL on the same position.
    
    Parameters:
    
    v - a value of the same data type as this value, must be neither equal to nor smaller than nor greater than this value
    
    Returns:
    
    this value, the specified value, or null
  - convertToInt
```
public static int convertToInt(long x,
                               java.lang.Object column)
```
    Convert to integer, throwing exception if out of range.
    
    Parameters:
    
    x - integer value.
    
    column - Column info.
    
    Returns:
    
    x
  - toString
```
public java.lang.String toString()
```
    Overrides:
    
    toString in class java.lang.Object
  - getUnsupportedExceptionForOperation
```
protected final DbException getUnsupportedExceptionForOperation(java.lang.String op)
```
    Create an exception meaning the specified operation is not supported for this data type.
    
    Parameters:
    
    op - the operation
    
    Returns:
    
    the exception
  - charLength
```
public long charLength()
```
    Returns length of this value in characters.
    
    Returns:
    
    length of this value in characters
    
    Throws:
    
    java.lang.NullPointerException - if this value is NULL
  - octetLength
```
public long octetLength()
```
    Returns length of this value in bytes.
    
    Returns:
    
    length of this value in bytes
    
    Throws:
    
    java.lang.NullPointerException - if this value is NULL
  - isTrue
```
public final boolean isTrue()
```
    Returns whether this value IS TRUE.
    
    Returns:
    
    true if it is. For BOOLEAN values returns true for TRUE and false for FALSE and UNKNOWN (NULL).
    
    See Also:
    
    getBoolean(), isFalse()
  - isFalse
```
public final boolean isFalse()
```
    Returns whether this value IS FALSE.
    
    Returns:
    
    true if it is. For BOOLEAN values returns true for FALSE and false for TRUE and UNKNOWN (NULL).
    
    See Also:
    
    getBoolean(), isTrue()

Class Value

Field Summary

Fields inherited from interface org.h2.util.HasSQL

Constructor Summary

Method Summary

Methods inherited from class org.h2.value.VersionedValue

Methods inherited from class java.lang.Object

Methods inherited from interface org.h2.util.HasSQL

Field Detail

UNKNOWN

NULL

CHAR

VARCHAR

CLOB

VARCHAR_IGNORECASE

BINARY

VARBINARY

BLOB

BOOLEAN

TINYINT

SMALLINT

INTEGER

BIGINT

NUMERIC

REAL

DOUBLE

DECFLOAT

DATE

TIME

TIME_TZ

TIMESTAMP

TIMESTAMP_TZ

INTERVAL_YEAR

INTERVAL_MONTH

INTERVAL_DAY

INTERVAL_HOUR

INTERVAL_MINUTE

INTERVAL_SECOND

INTERVAL_YEAR_TO_MONTH

INTERVAL_DAY_TO_HOUR

INTERVAL_DAY_TO_MINUTE

INTERVAL_DAY_TO_SECOND

INTERVAL_HOUR_TO_MINUTE

INTERVAL_HOUR_TO_SECOND

INTERVAL_MINUTE_TO_SECOND

JAVA_OBJECT

ENUM

GEOMETRY

JSON

UUID

ARRAY

ROW

TYPE_COUNT

EMPTY_VALUES

MIN_LONG_DECIMAL

Constructor Detail

Value

Method Detail

getTypeName

getType

getValueType

getMemory

hashCode

equals

getHigherOrder

clearCache

getString

getReader

getReader

getBytes

getBytesNoCopy

getInputStream

getInputStream

getBoolean

getByte

getShort

getInt

getLong

getBigDecimal

getFloat