org.tinygroup.tinysqldsl.operator

Class SimpleStatisticsOperator

java.lang.Object

org.tinygroup.tinysqldsl.operator.SimpleStatisticsOperator

All Implemented Interfaces:

ExpressionBuildProcessor, Expression, StatisticsOperator

Direct Known Subclasses:

Distinct

public abstract class SimpleStatisticsOperator
extends Object
implements StatisticsOperator, Expression

统计操作实现

Author:

renhui

Constructor Summary

Constructors

Constructor and Description
SimpleStatisticsOperator()

Method Summary

Modifier and Type	Method and Description
Function	avg()
Function	count()
Function	max()
Function	min()
Function	sum()

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.tinygroup.tinysqldsl.build.ExpressionBuildProcessor

builderExpression

Constructor Detail

SimpleStatisticsOperator

public SimpleStatisticsOperator()

Method Detail

sum

public Function sum()

Specified by:

sum in interface StatisticsOperator

count

public Function count()

Specified by:

count in interface StatisticsOperator

avg

public Function avg()

Specified by:

avg in interface StatisticsOperator

max

public Function max()

Specified by:

max in interface StatisticsOperator

min

public Function min()

Specified by:

min in interface StatisticsOperator