org.tikv.common.expression

类 Expression

java.lang.Object

org.tikv.common.expression.Expression

所有已实现的接口:

Serializable

直接已知子类:

AggregateFunction, ArithmeticBinaryExpression, ColumnRef, ComparisonBinaryExpression, Constant, FuncCallExpr, IsNull, LogicalBinaryExpression, Not, StringRegExpression

public abstract class Expression
extends Object
implements Serializable

另请参阅:

序列化表格

字段概要

字段

限定符和类型	字段和说明
protected DataType	dataType
protected boolean	resolved

构造器概要

构造器

构造器和说明
Expression()
Expression(DataType dataType)

方法概要

限定符和类型	方法和说明
abstract <R,C> R	accept(Visitor<R,C> visitor, C context)
abstract List<Expression>	getChildren()
DataType	getDataType()
boolean	isResolved()
void	setDataType(DataType dataType)

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

dataType

protected DataType dataType

resolved

protected boolean resolved

构造器详细资料

Expression

public Expression(DataType dataType)

Expression

public Expression()

方法详细资料

getChildren

public abstract List<Expression> getChildren()

accept

public abstract <R,C> R accept(Visitor<R,C> visitor,
                               C context)

isResolved

public boolean isResolved()

getDataType

public DataType getDataType()

setDataType

public void setDataType(DataType dataType)