程序包 com.taosdata.jdbc.utils

## 类 NullType

- java.lang.Object
- - com.taosdata.jdbc.utils.NullType

    public class NullType
    extends Object

### 构造器概要

构造器
`NullType()`

### 方法概要

所有方法 静态方法 实例方法 具体方法
`static long` `getBigIntNull()`
`static byte` `getBinaryNull()`
`static byte` `getBooleanNull()`
`static long` `getDoubleNull()`
`static int` `getFloatNull()`
`static int` `getIntNull()`
`static byte[]` `getNcharNull()`
`static short` `getSmallIntNull()`
`static byte` `getTinyintNull()`
`static boolean` `isBigIntNull​(long val)`
`static boolean` `isBinaryNull​(byte[] val, int length)`
`static boolean` `isBooleanNull​(byte val)`
`static boolean` `isDoubleNull​(double val)`
`static boolean` `isFloatNull​(float val)`
`static boolean` `isIntNull​(int val)`
`static boolean` `isNcharNull​(byte[] val, int length)`
`static boolean` `isSmallIntNull​(short val)`
`static boolean` `isTinyIntNull​(byte val)`
`static boolean` `isUnsignedBigIntNull​(long val)`
`static boolean` `isUnsignedIntNull​(int val)`
`static boolean` `isUnsignedSmallIntNull​(short val)`
`static boolean` `isUnsignedTinyIntNull​(byte val)`
`String` `toString()`

### 从类继承的方法 java.lang.Object

`clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait`

### 构造器详细资料

#### NullType

    public NullType()

### 方法详细资料

#### toString

    public String toString()

覆盖:
  `toString` 在类中 `Object`

#### isBooleanNull

    public static boolean isBooleanNull​(byte val)

#### isTinyIntNull

    public static boolean isTinyIntNull​(byte val)

#### isUnsignedTinyIntNull

    public static boolean isUnsignedTinyIntNull​(byte val)

#### isSmallIntNull

    public static boolean isSmallIntNull​(short val)

#### isUnsignedSmallIntNull

    public static boolean isUnsignedSmallIntNull​(short val)

#### isIntNull

    public static boolean isIntNull​(int val)

#### isUnsignedIntNull

    public static boolean isUnsignedIntNull​(int val)

#### isBigIntNull

    public static boolean isBigIntNull​(long val)

#### isUnsignedBigIntNull

    public static boolean isUnsignedBigIntNull​(long val)

#### isFloatNull

    public static boolean isFloatNull​(float val)

#### isDoubleNull

    public static boolean isDoubleNull​(double val)

#### isBinaryNull

    public static boolean isBinaryNull​(byte[] val,
                                       int length)

#### isNcharNull

    public static boolean isNcharNull​(byte[] val,
                                      int length)

#### getBooleanNull

    public static byte getBooleanNull()

#### getTinyintNull

    public static byte getTinyintNull()

#### getIntNull

    public static int getIntNull()

#### getSmallIntNull

    public static short getSmallIntNull()

#### getBigIntNull

    public static long getBigIntNull()

#### getFloatNull

    public static int getFloatNull()

#### getDoubleNull

    public static long getDoubleNull()

#### getBinaryNull

    public static byte getBinaryNull()

#### getNcharNull

    public static byte[] getNcharNull()