org.apache.paimon.types

类 DecimalType

java.lang.Object

org.apache.paimon.types.DataType

org.apache.paimon.types.DecimalType

所有已实现的接口:

Serializable

@Public
public class DecimalType
extends DataType

Data type of a decimal number with fixed precision and scale.

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_PRECISION
static int	DEFAULT_SCALE
static int	MAX_PRECISION
static int	MIN_PRECISION
static int	MIN_SCALE

构造器概要

构造器

构造器和说明
DecimalType()
DecimalType(boolean isNullable, int precision, int scale)
DecimalType(int precision)
DecimalType(int precision, int scale)

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	getPrecision()
int	getScale()
int	hashCode()

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_PRECISION

public static final int MIN_PRECISION

另请参阅:

常量字段值

MAX_PRECISION

public static final int MAX_PRECISION

另请参阅:

常量字段值

DEFAULT_PRECISION

public static final int DEFAULT_PRECISION

另请参阅:

常量字段值

MIN_SCALE

public static final int MIN_SCALE

另请参阅:

常量字段值

DEFAULT_SCALE

public static final int DEFAULT_SCALE

另请参阅:

常量字段值

构造器详细资料

DecimalType

public DecimalType(boolean isNullable,
                   int precision,
                   int scale)

DecimalType

public DecimalType(int precision,
                   int scale)

DecimalType

public DecimalType(int precision)

DecimalType

public DecimalType()

方法详细资料

getPrecision

public int getPrecision()

getScale

public int getScale()

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