ValueInterval (H2 Database Engine 2.0.0 API)

java.lang.Object
- org.h2.value.VersionedValue<Value>
- - org.h2.value.Value
  - - org.h2.value.ValueInterval

所有已实现的接口:

HasSQL, Typed
```
public final class ValueInterval
extends Value
```
Implementation of the INTERVAL data type.

字段概要

字段
限定符和类型	字段和说明
`static int`	`DEFAULT_PRECISION` The default leading field precision for intervals.
`static int`	`DEFAULT_SCALE` The default scale for intervals with seconds.
`static int`	`MAXIMUM_PRECISION` The maximum leading field precision for intervals.
`static int`	`MAXIMUM_SCALE` The maximum scale for intervals with seconds.

从类继承的字段 org.h2.value.Value
ARRAY, BIGINT, BINARY, BLOB, BOOLEAN, CHAR, CLOB, DATE, DECFLOAT, DOUBLE, EMPTY_VALUES, ENUM, GEOMETRY, INTEGER, INTERVAL_DAY, INTERVAL_DAY_TO_HOUR, INTERVAL_DAY_TO_MINUTE, INTERVAL_DAY_TO_SECOND, INTERVAL_HOUR, INTERVAL_HOUR_TO_MINUTE, INTERVAL_HOUR_TO_SECOND, INTERVAL_MINUTE, INTERVAL_MINUTE_TO_SECOND, INTERVAL_MONTH, INTERVAL_SECOND, INTERVAL_YEAR, INTERVAL_YEAR_TO_MONTH, JAVA_OBJECT, JSON, MIN_LONG_DECIMAL, NULL, NUMERIC, REAL, ROW, SMALLINT, TIME, TIME_TZ, TIMESTAMP, TIMESTAMP_TZ, TINYINT, TYPE_COUNT, UNKNOWN, UUID, VARBINARY, VARCHAR, VARCHAR_IGNORECASE

从接口继承的字段 org.h2.util.HasSQL
ADD_PLAN_INFORMATION, DEFAULT_SQL_FLAGS, NO_CASTS, QUOTE_ONLY_WHEN_REQUIRED, REPLACE_LOBS_FOR_TRACE, TRACE_SQL_FLAGS

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
`Value`	`add(Value v)` Add a value and return the result.
`int`	`compareTypeSafe(Value v, CompareMode mode, CastDataProvider provider)` Compare this value against another value given that the values are of the same data type.
`boolean`	`equals(Object obj)` Check if the two values have the same hash code.
`static ValueInterval`	`from(IntervalQualifier qualifier, boolean negative, long leading, long remaining)` Create a ValueInterval instance.
`BigDecimal`	`getBigDecimal()`
`static int`	`getDisplaySize(int type, int precision, int scale)` Returns display size for the specified qualifier, precision and fractional seconds precision.
`double`	`getDouble()` Returns this value as a Java `double` value.
`float`	`getFloat()` Returns this value as a Java `float` value.
`Interval`	`getInterval()` Returns the interval.
`long`	`getLeading()` Returns value of leading field of this interval.
`long`	`getLong()` Returns this value as a Java `long` value.
`int`	`getMemory()` Get the memory used by this object.
`IntervalQualifier`	`getQualifier()` Returns the interval qualifier.
`long`	`getRemaining()` Returns combined value of remaining fields of this interval.
`int`	`getSignum()`
`StringBuilder`	`getSQL(StringBuilder builder, int sqlFlags)` Appends the SQL statement of this object to the specified builder.
`String`	`getString()` Get the value as a string.
`TypeInfo`	`getType()` Returns the data type.
`int`	`getValueType()` Get the value type.
`int`	`hashCode()`
`boolean`	`isNegative()` Returns where the interval is negative.
`Value`	`negate()` Return -value if this value support arithmetic operations.
`Value`	`subtract(Value v)` Subtract a value and return the result.

从类继承的方法 org.h2.value.VersionedValue
getCommittedValue, getCurrentValue, getOperationId, isCommitted

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

从接口继承的方法 org.h2.util.HasSQL
getSQL, getTraceSQL

- 字段详细资料
  - DEFAULT_PRECISION
```
public static final int DEFAULT_PRECISION
```
    The default leading field precision for intervals.
    
    另请参阅:
    
    常量字段值
  - MAXIMUM_PRECISION
```
public static final int MAXIMUM_PRECISION
```
    The maximum leading field precision for intervals.
    
    另请参阅:
    
    常量字段值
  - DEFAULT_SCALE
```
public static final int DEFAULT_SCALE
```
    The default scale for intervals with seconds.
    
    另请参阅:
    
    常量字段值
  - MAXIMUM_SCALE
```
public static final int MAXIMUM_SCALE
```
    The maximum scale for intervals with seconds.
    
    另请参阅:
    
    常量字段值
- 方法详细资料
  - from
```
public static ValueInterval from(IntervalQualifier qualifier,
                                 boolean negative,
                                 long leading,
                                 long remaining)
```
    Create a ValueInterval instance.
    
    参数:
    
    qualifier - qualifier
    
    negative - whether interval is negative
    
    leading - value of leading field
    
    remaining - values of all remaining fields
    
    返回:
    
    interval value
  - getDisplaySize
```
public static int getDisplaySize(int type,
                                 int precision,
                                 int scale)
```
    Returns display size for the specified qualifier, precision and fractional seconds precision.
    
    参数:
    
    type - the value type
    
    precision - leading field precision
    
    scale - fractional seconds precision. Ignored if specified type of interval does not have seconds.
    
    返回:
    
    display size
  - getSQL
```
public StringBuilder getSQL(StringBuilder builder,
                            int sqlFlags)
```
    从接口复制的说明: HasSQL
    
    Appends the SQL statement of this object to the specified builder.
    
    参数:
    
    builder - string builder
    
    sqlFlags - formatting flags
    
    返回:
    
    the specified string builder
  - getType
```
public TypeInfo getType()
```
    从接口复制的说明: Typed
    
    Returns the data type.
    
    指定者:
    
    getType 在接口中 Typed
    
    指定者:
    
    getType 在类中 Value
    
    返回:
    
    the data type
  - getValueType
```
public int getValueType()
```
    从类复制的说明: Value
    
    Get the value type.
    
    指定者:
    
    getValueType 在类中 Value
    
    返回:
    
    the value type
  - getMemory
```
public int getMemory()
```
    从类复制的说明: Value
    
    Get the memory used by this object.
    
    覆盖:
    
    getMemory 在类中 Value
    
    返回:
    
    the memory used in bytes
  - getString
```
public String getString()
```
    从类复制的说明: Value
    
    Get the value as a string.
    
    指定者:
    
    getString 在类中 Value
    
    返回:
    
    the string
  - getLong
```
public long getLong()
```
    从类复制的说明: Value
    
    Returns this value as a Java long value.
    
    覆盖:
    
    getLong 在类中 Value
    
    返回:
    
    value
  - getBigDecimal
```
public BigDecimal getBigDecimal()
```
    覆盖:
    
    getBigDecimal 在类中 Value
  - getFloat
```
public float getFloat()
```
    从类复制的说明: Value
    
    Returns this value as a Java float value.
    
    覆盖:
    
    getFloat 在类中 Value
    
    返回:
    
    value
  - getDouble
```
public double getDouble()
```
    从类复制的说明: Value
    
    Returns this value as a Java double value.
    
    覆盖:
    
    getDouble 在类中 Value
    
    返回:
    
    value
  - getInterval
```
public Interval getInterval()
```
    Returns the interval.
    
    返回:
    
    the interval
  - getQualifier
```
public IntervalQualifier getQualifier()
```
    Returns the interval qualifier.
    
    返回:
    
    the interval qualifier
  - isNegative
```
public boolean isNegative()
```
    Returns where the interval is negative.
    
    返回:
    
    where the interval is negative
  - getLeading
```
public long getLeading()
```
    Returns value of leading field of this interval. For SECOND intervals returns integer part of seconds.
    
    返回:
    
    value of leading field
  - getRemaining
```
public long getRemaining()
```
    Returns combined value of remaining fields of this interval. For SECOND intervals returns nanoseconds.
    
    返回:
    
    combined value of remaining fields
  - hashCode
```
public int hashCode()
```
    指定者:
    
    hashCode 在类中 Value
  - equals
```
public boolean equals(Object obj)
```
    从类复制的说明: Value
    
    Check if the two values have the same hash code. No data conversion is made; this method returns false if the other object is not of the same class. For some values, compareTo may return 0 even if equals return false. Example: ValueDecimal 0.0 and 0.00.
    
    指定者:
    
    equals 在类中 Value
    
    参数:
    
    obj - the other value
    
    返回:
    
    true if they are equal
  - compareTypeSafe
```
public int compareTypeSafe(Value v,
                           CompareMode mode,
                           CastDataProvider provider)
```
    从类复制的说明: Value
    
    Compare this value against another value given that the values are of the same data type.
    
    指定者:
    
    compareTypeSafe 在类中 Value
    
    参数:
    
    v - the other value
    
    mode - the compare mode
    
    provider - the cast information provider
    
    返回:
    
    0 if both values are equal, -1 if the other value is smaller, and 1 otherwise
  - getSignum
```
public int getSignum()
```
    覆盖:
    
    getSignum 在类中 Value
  - add
```
public Value add(Value v)
```
    从类复制的说明: Value
    
    Add a value and return the result.
    
    覆盖:
    
    add 在类中 Value
    
    参数:
    
    v - the value to add
    
    返回:
    
    the result
  - subtract
```
public Value subtract(Value v)
```
    从类复制的说明: Value
    
    Subtract a value and return the result.
    
    覆盖:
    
    subtract 在类中 Value
    
    参数:
    
    v - the value to subtract
    
    返回:
    
    the result
  - negate
```
public Value negate()
```
    从类复制的说明: Value
    
    Return -value if this value support arithmetic operations.
    
    覆盖:
    
    negate 在类中 Value
    
    返回:
    
    the negative

类 ValueInterval

字段概要

从类继承的字段 org.h2.value.Value

从接口继承的字段 org.h2.util.HasSQL

方法概要

从类继承的方法 org.h2.value.Value

从类继承的方法 org.h2.value.VersionedValue

从类继承的方法 java.lang.Object

从接口继承的方法 org.h2.util.HasSQL

字段详细资料

DEFAULT_PRECISION

MAXIMUM_PRECISION

DEFAULT_SCALE

MAXIMUM_SCALE

方法详细资料

from

getDisplaySize

getSQL

getType

getValueType

getMemory

getString

getLong

getBigDecimal

getFloat

getDouble

getInterval

getQualifier

isNegative

getLeading

getRemaining

hashCode

equals

compareTypeSafe

getSignum

add

subtract

negate