MathFunction1 (H2 Database Engine 2.0.0 API)

java.lang.Object
- org.h2.expression.Expression
- - org.h2.expression.Operation1
  - - org.h2.expression.function.Function1
    - - org.h2.expression.function.MathFunction1

所有已实现的接口:

NamedExpression, HasSQL, Typed
```
public final class MathFunction1
extends Function1
```
A math function with one argument and DOUBLE PRECISION result.

字段概要

字段
限定符和类型	字段和说明
`static int`	`ACOS` ACOS().
`static int`	`ASIN` ASIN().
`static int`	`ATAN` ATAN().
`static int`	`COS` COS().
`static int`	`COSH` COSH().
`static int`	`COT` COT() (non-standard).
`static int`	`DEGREES` DEGREES() (non-standard).
`static int`	`EXP` EXP().
`static int`	`LN` LN().
`static int`	`LOG10` LOG10().
`static int`	`RADIANS` RADIANS() (non-standard).
`static int`	`SIN` SIN().
`static int`	`SINH` SINH().
`static int`	`SQRT` SQRT().
`static int`	`TAN` TAN().
`static int`	`TANH` TANH().

从类继承的字段 org.h2.expression.Operation1
arg, type

从类继承的字段 org.h2.expression.Expression
AUTO_PARENTHESES, MAP_IN_AGGREGATE, MAP_IN_WINDOW, MAP_INITIAL, WITH_PARENTHESES, WITHOUT_PARENTHESES

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

构造器概要

构造器
构造器和说明

MathFunction1(Expression arg, int function)

构造器
构造器和说明
`MathFunction1(Expression arg, int function)`

方法概要

所有方法实例方法具体方法
限定符和类型	方法和说明
`String`	`getName()` Get the name.
`Value`	`getValue(SessionLocal session)` Return the resulting value for the current row.
`Expression`	`optimize(SessionLocal session)` Try to optimize the expression.

从类继承的方法 org.h2.expression.function.Function1
getUnenclosedSQL

从类继承的方法 org.h2.expression.Operation1
getCost, getSubexpression, getSubexpressionCount, getType, isEverything, mapColumns, setEvaluatable, updateAggregate

从类继承的方法 org.h2.expression.Expression
addFilterConditions, createIndexConditions, getAlias, getBooleanValue, getColumnName, getColumnNameForView, getEnclosedSQL, getNonAliasExpression, getNotIfPossible, getNullable, getSchemaName, getSQL, getSQL, getSQL, getSQL, getTableAlias, getTableName, getWhenSQL, getWhenValue, isConstant, isIdentity, isNullConstant, isValueSet, isWhenConditionOperand, needParentheses, optimizeCondition, toString, writeExpressions, writeExpressions

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

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

- 字段详细资料
  - SIN
```
public static final int SIN
```
    SIN().
    
    另请参阅:
    
    常量字段值
  - COS
```
public static final int COS
```
    COS().
    
    另请参阅:
    
    常量字段值
  - TAN
```
public static final int TAN
```
    TAN().
    
    另请参阅:
    
    常量字段值
  - COT
```
public static final int COT
```
    COT() (non-standard).
    
    另请参阅:
    
    常量字段值
  - SINH
```
public static final int SINH
```
    SINH().
    
    另请参阅:
    
    常量字段值
  - COSH
```
public static final int COSH
```
    COSH().
    
    另请参阅:
    
    常量字段值
  - TANH
```
public static final int TANH
```
    TANH().
    
    另请参阅:
    
    常量字段值
  - ASIN
```
public static final int ASIN
```
    ASIN().
    
    另请参阅:
    
    常量字段值
  - ACOS
```
public static final int ACOS
```
    ACOS().
    
    另请参阅:
    
    常量字段值
  - ATAN
```
public static final int ATAN
```
    ATAN().
    
    另请参阅:
    
    常量字段值
  - LOG10
```
public static final int LOG10
```
    LOG10().
    
    另请参阅:
    
    常量字段值
  - LN
```
public static final int LN
```
    LN().
    
    另请参阅:
    
    常量字段值
  - EXP
```
public static final int EXP
```
    EXP().
    
    另请参阅:
    
    常量字段值
  - SQRT
```
public static final int SQRT
```
    SQRT().
    
    另请参阅:
    
    常量字段值
  - DEGREES
```
public static final int DEGREES
```
    DEGREES() (non-standard).
    
    另请参阅:
    
    常量字段值
  - RADIANS
```
public static final int RADIANS
```
    RADIANS() (non-standard).
    
    另请参阅:
    
    常量字段值
- 构造器详细资料
  - MathFunction1
```
public MathFunction1(Expression arg,
                     int function)
```
- 方法详细资料
  - getValue
```
public Value getValue(SessionLocal session)
```
    从类复制的说明: Expression
    
    Return the resulting value for the current row.
    
    指定者:
    
    getValue 在类中 Expression
    
    参数:
    
    session - the session
    
    返回:
    
    the result
  - optimize
```
public Expression optimize(SessionLocal session)
```
    从类复制的说明: Expression
    
    Try to optimize the expression.
    
    指定者:
    
    optimize 在类中 Expression
    
    参数:
    
    session - the session
    
    返回:
    
    the optimized expression
  - getName
```
public String getName()
```
    从接口复制的说明: NamedExpression
    
    Get the name.
    
    返回:
    
    the name in uppercase

类 MathFunction1

字段概要

从类继承的字段 org.h2.expression.Operation1

从类继承的字段 org.h2.expression.Expression

从接口继承的字段 org.h2.util.HasSQL

构造器概要

方法概要

从类继承的方法 org.h2.expression.function.Function1

从类继承的方法 org.h2.expression.Operation1

从类继承的方法 org.h2.expression.Expression

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

SIN

COS

TAN

COT

SINH

COSH

TANH

ASIN

ACOS

ATAN

LOG10

LN

EXP

SQRT

DEGREES

RADIANS

构造器详细资料

MathFunction1

方法详细资料

getValue

optimize

getName