org.apache.paimon.types

类 VarCharType

java.lang.Object

org.apache.paimon.types.DataType

org.apache.paimon.types.VarCharType

所有已实现的接口:

Serializable

@Public
public final class VarCharType
extends DataType

Data type of a variable-length character string.

A conversion from and to byte[] assumes UTF-8 encoding.

从以下版本开始:

0.4.0

另请参阅:

序列化表格

字段概要

字段

限定符和类型	字段和说明
static int	DEFAULT_LENGTH
static int	MAX_LENGTH
static int	MIN_LENGTH
static VarCharType	STRING_TYPE

构造器概要

构造器

构造器和说明
VarCharType()
VarCharType(boolean isNullable, int length)
VarCharType(int length)

方法概要

限定符和类型	方法和说明
<R> R	accept(DataTypeVisitor<R> visitor)
String	asSQLString() Returns a string that summarizes this type as SQL standard string for printing to a console.
DataType	copy(boolean isNullable) Returns a deep copy of this type with possibly different nullability.
boolean	equals(Object o)
int	getLength()
int	hashCode()
static VarCharType	stringType(boolean isNullable)

从类继承的方法 org.apache.paimon.types.DataType

collectFieldIds, copy, equalsIgnoreNullable, getTypeRoot, is, is, isAnyOf, isAnyOf, isNullable, notNull, nullable, serializeJson, toString, withNullability

从类继承的方法 java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

字段详细资料

MIN_LENGTH

public static final int MIN_LENGTH

另请参阅:

常量字段值

MAX_LENGTH

public static final int MAX_LENGTH

另请参阅:

常量字段值

DEFAULT_LENGTH

public static final int DEFAULT_LENGTH

另请参阅:

常量字段值

STRING_TYPE

public static final VarCharType STRING_TYPE

构造器详细资料

VarCharType

public VarCharType(boolean isNullable,
                   int length)

VarCharType

public VarCharType(int length)

VarCharType

public VarCharType()

方法详细资料

getLength

public int getLength()

copy

public DataType copy(boolean isNullable)

从类复制的说明: DataType

Returns a deep copy of this type with possibly different nullability.

指定者:

copy 在类中 DataType

参数:

isNullable - the intended nullability of the copied type

返回:

a deep copy

asSQLString

public String asSQLString()

从类复制的说明: DataType

Returns a string that summarizes this type as SQL standard string for printing to a console. An implementation might shorten long names or skips very specific properties.

指定者:

asSQLString 在类中 DataType

equals

public boolean equals(Object o)

覆盖:

equals 在类中 DataType

hashCode

public int hashCode()

覆盖:

hashCode 在类中 DataType

accept

public <R> R accept(DataTypeVisitor<R> visitor)

指定者:

accept 在类中 DataType

stringType

public static VarCharType stringType(boolean isNullable)