IntervalQualifier (H2 Database Engine 2.0.0 API)

java.lang.Object
- java.lang.Enum<IntervalQualifier>
- - org.h2.api.IntervalQualifier

所有已实现的接口:

Serializable, Comparable<IntervalQualifier>
```
public enum IntervalQualifier
extends Enum<IntervalQualifier>
```
Interval qualifier.

枚举常量概要

枚举常量
枚举常量和说明
`DAY` `DAY`
`DAY_TO_HOUR` `DAY TO HOUR`
`DAY_TO_MINUTE` `DAY TO MINUTE`
`DAY_TO_SECOND` `DAY TO SECOND`
`HOUR` `HOUR`
`HOUR_TO_MINUTE` `HOUR TO MINUTE`
`HOUR_TO_SECOND` `HOUR TO SECOND`
`MINUTE` `MINUTE`
`MINUTE_TO_SECOND` `MINUTE TO SECOND`
`MONTH` `MONTH`
`SECOND` `SECOND`
`YEAR` `YEAR`
`YEAR_TO_MONTH` `YEAR TO MONTH`

方法概要

所有方法静态方法实例方法具体方法
限定符和类型	方法和说明
`String`	`getTypeName(int precision, int scale)` Returns full type name.
`StringBuilder`	`getTypeName(StringBuilder builder, int precision, int scale, boolean qualifierOnly)` Appends full type name to the specified string builder.
`boolean`	`hasDays()` Returns whether interval with this qualifier has days.
`boolean`	`hasHours()` Returns whether interval with this qualifier has hours.
`boolean`	`hasMinutes()` Returns whether interval with this qualifier has minutes.
`boolean`	`hasMonths()` Returns whether interval with this qualifier has months.
`boolean`	`hasMultipleFields()` Returns whether interval with this qualifier has multiple fields.
`boolean`	`hasSeconds()` Returns whether interval with this qualifier has seconds.
`boolean`	`hasYears()` Returns whether interval with this qualifier has years.
`boolean`	`isDayTime()` Returns whether interval with this qualifier is a day-time interval.
`boolean`	`isYearMonth()` Returns whether interval with this qualifier is a year-month interval.
`String`	`toString()`
`static IntervalQualifier`	`valueOf(int ordinal)` Returns the interval qualifier with the specified ordinal value.
`static IntervalQualifier`	`valueOf(String name)` 返回带有指定名称的该类型的枚举常量。
`static IntervalQualifier[]`	`values()` 按照声明该枚举类型的常量的顺序, 返回包含这些常量的数组。

从类继承的方法 java.lang.Enum
clone, compareTo, equals, finalize, getDeclaringClass, hashCode, name, ordinal, valueOf

从类继承的方法 java.lang.Object
getClass, notify, notifyAll, wait, wait, wait

- 枚举常量详细资料
  - YEAR
```
public static final IntervalQualifier YEAR
```
    YEAR
  - MONTH
```
public static final IntervalQualifier MONTH
```
    MONTH
  - DAY
```
public static final IntervalQualifier DAY
```
    DAY
  - HOUR
```
public static final IntervalQualifier HOUR
```
    HOUR
  - MINUTE
```
public static final IntervalQualifier MINUTE
```
    MINUTE
  - SECOND
```
public static final IntervalQualifier SECOND
```
    SECOND
  - YEAR_TO_MONTH
```
public static final IntervalQualifier YEAR_TO_MONTH
```
    YEAR TO MONTH
  - DAY_TO_HOUR
```
public static final IntervalQualifier DAY_TO_HOUR
```
    DAY TO HOUR
  - DAY_TO_MINUTE
```
public static final IntervalQualifier DAY_TO_MINUTE
```
    DAY TO MINUTE
  - DAY_TO_SECOND
```
public static final IntervalQualifier DAY_TO_SECOND
```
    DAY TO SECOND
  - HOUR_TO_MINUTE
```
public static final IntervalQualifier HOUR_TO_MINUTE
```
    HOUR TO MINUTE
  - HOUR_TO_SECOND
```
public static final IntervalQualifier HOUR_TO_SECOND
```
    HOUR TO SECOND
  - MINUTE_TO_SECOND
```
public static final IntervalQualifier MINUTE_TO_SECOND
```
    MINUTE TO SECOND
- 方法详细资料
  - values
```
public static IntervalQualifier[] values()
```
    按照声明该枚举类型的常量的顺序, 返回包含这些常量的数组。该方法可用于迭代常量, 如下所示:
```
for (IntervalQualifier c : IntervalQualifier.values())
    System.out.println(c);
```
    返回:
    
    按照声明该枚举类型的常量的顺序返回的包含这些常量的数组
  - valueOf
```
public static IntervalQualifier valueOf(String name)
```
    返回带有指定名称的该类型的枚举常量。字符串必须与用于声明该类型的枚举常量的标识符完全匹配。(不允许有多余的空格字符。)
    
    参数:
    
    name - 要返回的枚举常量的名称。
    
    返回:
    
    返回带有指定名称的枚举常量
    
    抛出:
    
    IllegalArgumentException - 如果该枚举类型没有带有指定名称的常量
    
    NullPointerException - 如果参数为空值
  - valueOf
```
public static IntervalQualifier valueOf(int ordinal)
```
    Returns the interval qualifier with the specified ordinal value.
    
    参数:
    
    ordinal - Java ordinal value (0-based)
    
    返回:
    
    interval qualifier with the specified ordinal value
  - isYearMonth
```
public boolean isYearMonth()
```
    Returns whether interval with this qualifier is a year-month interval.
    
    返回:
    
    whether interval with this qualifier is a year-month interval
  - isDayTime
```
public boolean isDayTime()
```
    Returns whether interval with this qualifier is a day-time interval.
    
    返回:
    
    whether interval with this qualifier is a day-time interval
  - hasYears
```
public boolean hasYears()
```
    Returns whether interval with this qualifier has years.
    
    返回:
    
    whether interval with this qualifier has years
  - hasMonths
```
public boolean hasMonths()
```
    Returns whether interval with this qualifier has months.
    
    返回:
    
    whether interval with this qualifier has months
  - hasDays
```
public boolean hasDays()
```
    Returns whether interval with this qualifier has days.
    
    返回:
    
    whether interval with this qualifier has days
  - hasHours
```
public boolean hasHours()
```
    Returns whether interval with this qualifier has hours.
    
    返回:
    
    whether interval with this qualifier has hours
  - hasMinutes
```
public boolean hasMinutes()
```
    Returns whether interval with this qualifier has minutes.
    
    返回:
    
    whether interval with this qualifier has minutes
  - hasSeconds
```
public boolean hasSeconds()
```
    Returns whether interval with this qualifier has seconds.
    
    返回:
    
    whether interval with this qualifier has seconds
  - hasMultipleFields
```
public boolean hasMultipleFields()
```
    Returns whether interval with this qualifier has multiple fields.
    
    返回:
    
    whether interval with this qualifier has multiple fields
  - toString
```
public String toString()
```
    覆盖:
    
    toString 在类中 Enum<IntervalQualifier>
  - getTypeName
```
public String getTypeName(int precision,
                          int scale)
```
    Returns full type name.
    
    参数:
    
    precision - precision, or -1
    
    scale - fractional seconds precision, or -1
    
    返回:
    
    full type name
  - getTypeName
```
public StringBuilder getTypeName(StringBuilder builder,
                                 int precision,
                                 int scale,
                                 boolean qualifierOnly)
```
    Appends full type name to the specified string builder.
    
    参数:
    
    builder - string builder
    
    precision - precision, or -1
    
    scale - fractional seconds precision, or -1
    
    qualifierOnly - if true, don't add the INTERVAL prefix
    
    返回:
    
    the specified string builder

枚举 IntervalQualifier

枚举常量概要

方法概要

从类继承的方法 java.lang.Enum

从类继承的方法 java.lang.Object

枚举常量详细资料

YEAR

MONTH

DAY

HOUR

MINUTE

SECOND

YEAR_TO_MONTH

DAY_TO_HOUR

DAY_TO_MINUTE

DAY_TO_SECOND

HOUR_TO_MINUTE

HOUR_TO_SECOND

MINUTE_TO_SECOND

方法详细资料

values

valueOf

valueOf

isYearMonth

isDayTime

hasYears

hasMonths

hasDays

hasHours

hasMinutes

hasSeconds

hasMultipleFields

toString

getTypeName

getTypeName