java.lang.Object
- com.mysql.cj.protocol.a.MysqlTextValueDecoder

所有已实现的接口:

ValueDecoder
```
public class MysqlTextValueDecoder
extends Object
implements ValueDecoder
```
Implementation of ValueDecoder for the MySQL text protocol. All values will be received as LengthEncodedString values.
Refer to MySQL documentation for format of values as strings.
Numeric values are returned as ASCII (encoding=63/binary).

字段概要

字段
修饰符和类型	字段	说明
`static int`	`DATE_BUF_LEN`	Buffer length of MySQL date string: 'YYYY-MM-DD'.
`static int`	`MAX_SIGNED_LONG_LEN`	Max string length of a signed long = 9223372036854775807 (19+1 for minus sign)
`static Pattern`	`TIME_PTRN`
`static int`	`TIME_STR_LEN_MAX_NO_FRAC`	Max string length of MySQL time string (with microseconds): '-HHH:MM:SS'.
`static int`	`TIME_STR_LEN_MAX_WITH_MICROS`	Max string length of MySQL time string (with microseconds): '-HHH:MM:SS.mmmmmm'.
`static int`	`TIME_STR_LEN_MIN`	Min string length of MySQL time string: 'HH:MM:SS'.
`static int`	`TIMESTAMP_STR_LEN_NO_FRAC`	String length of MySQL timestamp string (no microseconds): 'YYYY-MM-DD HH:MM:SS'.
`static int`	`TIMESTAMP_STR_LEN_WITH_MICROS`	Max string length of MySQL timestamp (with microsecs): 'YYYY-MM-DD HH:MM:SS.mmmmmm'.
`static int`	`TIMESTAMP_STR_LEN_WITH_NANOS`	String length of String timestamp with nanos.

构造器概要

构造器
构造器说明

MysqlTextValueDecoder()

方法概要

所有方法静态方法实例方法具体方法
修饰符和类型	方法	说明
`<T> T`	`decodeBit(byte[] bytes, int offset, int length, ValueFactory<T> vf)`
`<T> T`	`decodeByteArray(byte[] bytes, int offset, int length, Field f, ValueFactory<T> vf)`
`<T> T`	`decodeDate(byte[] bytes, int offset, int length, ValueFactory<T> vf)`
`<T> T`	`decodeDatetime(byte[] bytes, int offset, int length, int scale, ValueFactory<T> vf)`
`<T> T`	`decodeDecimal(byte[] bytes, int offset, int length, ValueFactory<T> vf)`
`<T> T`	`decodeDouble(byte[] bytes, int offset, int length, ValueFactory<T> vf)`
`<T> T`	`decodeFloat(byte[] bytes, int offset, int length, ValueFactory<T> vf)`
`<T> T`	`decodeInt1(byte[] bytes, int offset, int length, ValueFactory<T> vf)`
`<T> T`	`decodeInt2(byte[] bytes, int offset, int length, ValueFactory<T> vf)`
`<T> T`	`decodeInt4(byte[] bytes, int offset, int length, ValueFactory<T> vf)`
`<T> T`	`decodeInt8(byte[] bytes, int offset, int length, ValueFactory<T> vf)`
`<T> T`	`decodeSet(byte[] bytes, int offset, int length, Field f, ValueFactory<T> vf)`
`<T> T`	`decodeTime(byte[] bytes, int offset, int length, int scale, ValueFactory<T> vf)`
`<T> T`	`decodeTimestamp(byte[] bytes, int offset, int length, int scale, ValueFactory<T> vf)`
`<T> T`	`decodeUInt1(byte[] bytes, int offset, int length, ValueFactory<T> vf)`
`<T> T`	`decodeUInt2(byte[] bytes, int offset, int length, ValueFactory<T> vf)`
`<T> T`	`decodeUInt4(byte[] bytes, int offset, int length, ValueFactory<T> vf)`
`<T> T`	`decodeUInt8(byte[] bytes, int offset, int length, ValueFactory<T> vf)`
`<T> T`	`decodeYear(byte[] bytes, int offset, int length, ValueFactory<T> vf)`
`static BigInteger`	`getBigInteger(byte[] buf, int offset, int length)`
`static InternalDate`	`getDate(byte[] bytes, int offset, int length)`
`static Double`	`getDouble(byte[] bytes, int offset, int length)`
`static int`	`getInt(byte[] buf, int offset, int endpos)`
`static long`	`getLong(byte[] buf, int offset, int endpos)`
`static InternalTime`	`getTime(byte[] bytes, int offset, int length, int scale)`
`static InternalTimestamp`	`getTimestamp(byte[] bytes, int offset, int length, int scale)`
`static boolean`	`isDate(String s)`
`static boolean`	`isTime(String s)`
`static boolean`	`isTimestamp(String s)`

从类继承的方法 java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

字段详细资料
- DATE_BUF_LEN
```
public static final int DATE_BUF_LEN
```
  Buffer length of MySQL date string: 'YYYY-MM-DD'.
  
  另请参阅:
  
  常量字段值
- TIME_STR_LEN_MIN
```
public static final int TIME_STR_LEN_MIN
```
  Min string length of MySQL time string: 'HH:MM:SS'.
  
  另请参阅:
  
  常量字段值
- TIME_STR_LEN_MAX_NO_FRAC
```
public static final int TIME_STR_LEN_MAX_NO_FRAC
```
  Max string length of MySQL time string (with microseconds): '-HHH:MM:SS'.
  
  另请参阅:
  
  常量字段值
- TIME_STR_LEN_MAX_WITH_MICROS
```
public static final int TIME_STR_LEN_MAX_WITH_MICROS
```
  Max string length of MySQL time string (with microseconds): '-HHH:MM:SS.mmmmmm'.
  
  另请参阅:
  
  常量字段值
- TIMESTAMP_STR_LEN_NO_FRAC
```
public static final int TIMESTAMP_STR_LEN_NO_FRAC
```
  String length of MySQL timestamp string (no microseconds): 'YYYY-MM-DD HH:MM:SS'.
  
  另请参阅:
  
  常量字段值
- TIMESTAMP_STR_LEN_WITH_MICROS
```
public static final int TIMESTAMP_STR_LEN_WITH_MICROS
```
  Max string length of MySQL timestamp (with microsecs): 'YYYY-MM-DD HH:MM:SS.mmmmmm'.
  
  另请参阅:
  
  常量字段值
- TIMESTAMP_STR_LEN_WITH_NANOS
```
public static final int TIMESTAMP_STR_LEN_WITH_NANOS
```
  String length of String timestamp with nanos. This does not come from MySQL server but we support it via string conversion.
  
  另请参阅:
  
  常量字段值
- TIME_PTRN
```
public static final Pattern TIME_PTRN
```
- MAX_SIGNED_LONG_LEN
```
public static final int MAX_SIGNED_LONG_LEN
```
  Max string length of a signed long = 9223372036854775807 (19+1 for minus sign)
  
  另请参阅:
  
  常量字段值

构造器详细资料
- MysqlTextValueDecoder
```
public MysqlTextValueDecoder()
```

方法详细资料

decodeDate

public <T> T decodeDate(byte[] bytes,
                        int offset,
                        int length,
                        ValueFactory<T> vf)

指定者:: decodeDate 在接口中 ValueDecoder

decodeTime

public <T> T decodeTime(byte[] bytes,
                        int offset,
                        int length,
                        int scale,
                        ValueFactory<T> vf)

指定者:: decodeTime 在接口中 ValueDecoder

decodeTimestamp

public <T> T decodeTimestamp(byte[] bytes,
                             int offset,
                             int length,
                             int scale,
                             ValueFactory<T> vf)

指定者:: decodeTimestamp 在接口中 ValueDecoder

decodeDatetime

public <T> T decodeDatetime(byte[] bytes,
                            int offset,
                            int length,
                            int scale,
                            ValueFactory<T> vf)

指定者:: decodeDatetime 在接口中 ValueDecoder

decodeUInt1

public <T> T decodeUInt1(byte[] bytes,
                         int offset,
                         int length,
                         ValueFactory<T> vf)

指定者:: decodeUInt1 在接口中 ValueDecoder

decodeInt1

public <T> T decodeInt1(byte[] bytes,
                        int offset,
                        int length,
                        ValueFactory<T> vf)

指定者:: decodeInt1 在接口中 ValueDecoder

decodeUInt2

public <T> T decodeUInt2(byte[] bytes,
                         int offset,
                         int length,
                         ValueFactory<T> vf)

指定者:: decodeUInt2 在接口中 ValueDecoder

decodeInt2

public <T> T decodeInt2(byte[] bytes,
                        int offset,
                        int length,
                        ValueFactory<T> vf)

指定者:: decodeInt2 在接口中 ValueDecoder

decodeUInt4

public <T> T decodeUInt4(byte[] bytes,
                         int offset,
                         int length,
                         ValueFactory<T> vf)

指定者:: decodeUInt4 在接口中 ValueDecoder

decodeInt4

public <T> T decodeInt4(byte[] bytes,
                        int offset,
                        int length,
                        ValueFactory<T> vf)

指定者:: decodeInt4 在接口中 ValueDecoder

decodeUInt8

public <T> T decodeUInt8(byte[] bytes,
                         int offset,
                         int length,
                         ValueFactory<T> vf)

指定者:: decodeUInt8 在接口中 ValueDecoder

decodeInt8

public <T> T decodeInt8(byte[] bytes,
                        int offset,
                        int length,
                        ValueFactory<T> vf)

指定者:: decodeInt8 在接口中 ValueDecoder

decodeFloat

public <T> T decodeFloat(byte[] bytes,
                         int offset,
                         int length,
                         ValueFactory<T> vf)

指定者:: decodeFloat 在接口中 ValueDecoder

decodeDouble

public <T> T decodeDouble(byte[] bytes,
                          int offset,
                          int length,
                          ValueFactory<T> vf)

指定者:: decodeDouble 在接口中 ValueDecoder

decodeDecimal

public <T> T decodeDecimal(byte[] bytes,
                           int offset,
                           int length,
                           ValueFactory<T> vf)

指定者:: decodeDecimal 在接口中 ValueDecoder

decodeByteArray

public <T> T decodeByteArray(byte[] bytes,
                             int offset,
                             int length,
                             Field f,
                             ValueFactory<T> vf)

指定者:: decodeByteArray 在接口中 ValueDecoder

decodeBit

public <T> T decodeBit(byte[] bytes,
                       int offset,
                       int length,
                       ValueFactory<T> vf)

指定者:: decodeBit 在接口中 ValueDecoder

decodeSet

public <T> T decodeSet(byte[] bytes,
                       int offset,
                       int length,
                       Field f,
                       ValueFactory<T> vf)

指定者:: decodeSet 在接口中 ValueDecoder

decodeYear

public <T> T decodeYear(byte[] bytes,
                        int offset,
                        int length,
                        ValueFactory<T> vf)

指定者:: decodeYear 在接口中 ValueDecoder

getInt

public static int getInt(byte[] buf,
                         int offset,
                         int endpos)
                  throws NumberFormatException

抛出:: NumberFormatException

getLong

public static long getLong(byte[] buf,
                           int offset,
                           int endpos)
                    throws NumberFormatException

抛出:: NumberFormatException

getBigInteger

public static BigInteger getBigInteger(byte[] buf,
                                       int offset,
                                       int length)
                                throws NumberFormatException

抛出:: NumberFormatException

getDouble

public static Double getDouble(byte[] bytes,
                               int offset,
                               int length)

isDate

public static boolean isDate(String s)

isTime

public static boolean isTime(String s)

isTimestamp

public static boolean isTimestamp(String s)

getDate

public static InternalDate getDate(byte[] bytes,
                                   int offset,
                                   int length)

getTime

public static InternalTime getTime(byte[] bytes,
                                   int offset,
                                   int length,
                                   int scale)

getTimestamp

public static InternalTimestamp getTimestamp(byte[] bytes,
                                             int offset,
                                             int length,
                                             int scale)

类 MysqlTextValueDecoder

字段概要

构造器概要

方法概要

从类继承的方法 java.lang.Object

字段详细资料

DATE_BUF_LEN

TIME_STR_LEN_MIN

TIME_STR_LEN_MAX_NO_FRAC

TIME_STR_LEN_MAX_WITH_MICROS

TIMESTAMP_STR_LEN_NO_FRAC

TIMESTAMP_STR_LEN_WITH_MICROS

TIMESTAMP_STR_LEN_WITH_NANOS

TIME_PTRN

MAX_SIGNED_LONG_LEN

构造器详细资料

MysqlTextValueDecoder

方法详细资料

decodeDate

decodeTime

decodeTimestamp

decodeDatetime

decodeUInt1

decodeInt1

decodeUInt2

decodeInt2

decodeUInt4

decodeInt4

decodeUInt8

decodeInt8

decodeFloat

decodeDouble

decodeDecimal

decodeByteArray

decodeBit

decodeSet

decodeYear

getInt

getLong

getBigInteger

getDouble

isDate

isTime

isTimestamp

getDate

getTime

getTimestamp