Package org.h2.value

Class ValueVarchar

java.lang.Object

org.h2.value.VersionedValue<Value>

org.h2.value.Value

org.h2.value.ValueVarchar

All Implemented Interfaces:

HasSQL, Typed

public final class ValueVarchar
extends Value

Implementation of the CHARACTER VARYING data type.

Field Summary

Fields

Modifier and Type	Field	Description
static final ValueVarchar	EMPTY	Empty string.

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, 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

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

Method Summary

Modifier and Type	Method	Description
int	compareTypeSafe(Value v, CompareMode mode, CastDataProvider provider)	Compare this value against another value given that the values are of the same data type.
boolean	equals(Object other)	Check if the two values have the same hash code.
static Value	get(String s)	Get or create a VARCHAR value for the given string.
static Value	get(String s, CastDataProvider provider)	Get or create a VARCHAR value for the given string.
final BigDecimal	getBigDecimal()
final boolean	getBoolean()	Returns this value as a Java boolean value.
final byte	getByte()	Returns this value as a Java byte value.
final byte[]	getBytes()
final double	getDouble()	Returns this value as a Java double value.
final float	getFloat()	Returns this value as a Java float value.
final int	getInt()	Returns this value as a Java int value.
final long	getLong()	Returns this value as a Java long value.
final int	getMemory()	Get the memory used by this object.
final short	getShort()	Returns this value as a Java short value.
StringBuilder	getSQL(StringBuilder builder, int sqlFlags)	Appends the SQL statement of this object to the specified builder.
final String	getString()	Get the value as a string.
final TypeInfo	getType()	Returns the data type.
int	getValueType()	Get the value type.
int	hashCode()

Methods inherited from class org.h2.value.Value

add, castTo, charLength, clearCache, compareTo, compareWithNull, containsNull, convertForAssignTo, convertTo, convertTo, convertTo, convertTo, convertTo, convertToAnyArray, convertToAnyJson, convertToAnyRow, convertToBigint, convertToBoolean, convertToChar, convertToDate, convertToDouble, convertToEnum, convertToGeometry, convertToInt, convertToInt, convertToJavaObject, convertToJson, convertToLong, convertToReal, convertToSmallint, convertToTinyint, convertToUuid, divide, getBytesNoCopy, getHigherOrder, getInputStream, getInputStream, getReader, getReader, getSignum, getTypeName, getUnsupportedExceptionForOperation, getValueWithFirstNull, isFalse, isTrue, modulus, multiply, negate, octetLength, subtract, 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, getTraceSQL

Field Details

EMPTY

public static final ValueVarchar EMPTY

Empty string. Should not be used in places where empty string can be treated as NULL depending on database mode.

Method Details

getSQL

public StringBuilder getSQL(StringBuilder builder,
 int sqlFlags)

Description copied from interface: HasSQL

Appends the SQL statement of this object to the specified builder.

Parameters:

builder - string builder

sqlFlags - formatting flags

Returns:

the specified string builder

getValueType

public int getValueType()

Description copied from class: Value

Get the value type.

Specified by:

getValueType in class Value

Returns:

the value type

get

public static Value get(String s)

Get or create a VARCHAR value for the given string.

Parameters:

s - the string

Returns:

the value

get

public static Value get(String s,
 CastDataProvider provider)

Get or create a VARCHAR value for the given string.

Parameters:

s - the string

provider - the cast information provider, or null

Returns:

the value

getType

public final TypeInfo getType()

Description copied from interface: Typed

Returns the data type.

Specified by:

getType in interface Typed

Specified by:

getType in class Value

Returns:

the data type

compareTypeSafe

public int compareTypeSafe(Value v,
 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 class Value

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

hashCode

public int hashCode()

Specified by:

hashCode in class Value

getString

public final String getString()

Description copied from class: Value

Get the value as a string.

Specified by:

getString in class Value

Returns:

the string

getBytes

public final byte[] getBytes()

Overrides:

getBytes in class Value

getBoolean

public final boolean getBoolean()

Description copied from class: Value

Returns this value as a Java boolean value.

Overrides:

getBoolean in class Value

Returns:

value

See Also:

• Value.isTrue()
• Value.isFalse()

getByte

public final byte getByte()

Description copied from class: Value

Returns this value as a Java byte value.

Overrides:

getByte in class Value

Returns:

value

getShort

public final short getShort()

Description copied from class: Value

Returns this value as a Java short value.

Overrides:

getShort in class Value

Returns:

value

getInt

public final int getInt()

Description copied from class: Value

Returns this value as a Java int value.

Overrides:

getInt in class Value

Returns:

value

getLong

public final long getLong()

Description copied from class: Value

Returns this value as a Java long value.

Overrides:

getLong in class Value

Returns:

value

getBigDecimal

public final BigDecimal getBigDecimal()

Overrides:

getBigDecimal in class Value

getFloat

public final float getFloat()

Description copied from class: Value

Returns this value as a Java float value.

Overrides:

getFloat in class Value

Returns:

value

getDouble

public final double getDouble()

Description copied from class: Value

Returns this value as a Java double value.

Overrides:

getDouble in class Value

Returns:

value

getMemory

public final int getMemory()

Description copied from class: Value

Get the memory used by this object.

Overrides:

getMemory in class Value

Returns:

the memory used in bytes

equals

public boolean equals(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.

Specified by:

equals in class Value

Parameters:

other - the other value

Returns:

true if they are equal