cn.org.atool.fluent.mybatis.segment

类 HavingBase<H extends HavingBase<H,Q>,Q extends IBaseQuery<?,Q>>

java.lang.Object

cn.org.atool.fluent.mybatis.segment.BaseSegment<R,Q>

cn.org.atool.fluent.mybatis.segment.AggregateSegment<H,Q,HavingOperator<H>>

cn.org.atool.fluent.mybatis.segment.HavingBase<H,Q>

public abstract class HavingBase<H extends HavingBase<H,Q>,Q extends IBaseQuery<?,Q>>
extends AggregateSegment<H,Q,HavingOperator<H>>

BaseHaving: having设置

作者:

darui.wu 2020/6/21 6:22 下午

字段概要

字段

限定符和类型	字段和说明
protected HavingOperator<H>	operator

从类继承的字段 cn.org.atool.fluent.mybatis.segment.AggregateSegment

aggregate, and, avg, count, group_concat, max, min, origin, sum

从类继承的字段 cn.org.atool.fluent.mybatis.segment.BaseSegment

current, wrapper

构造器概要

构造器

限定符	构造器和说明
protected	HavingBase(H selector, IAggregate aggregate)
protected	HavingBase(Q query)

方法概要

限定符和类型	方法和说明
protected HavingOperator<H>	apply()
protected HavingOperator<H>	apply(FieldMapping column, IAggregate aggregate) 执行聚合操作
HavingOperator<H>	apply(String column) 执行聚合操作
HavingOperator<H>	count() count(*)

从类继承的方法 cn.org.atool.fluent.mybatis.segment.AggregateSegment

aggregateSegment, getOrigin

从类继承的方法 cn.org.atool.fluent.mybatis.segment.BaseSegment

byEntity, byExclude, columnWithAlias, currentWithAlias, end, fieldMapping, get, set

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

operator

protected final HavingOperator<H extends HavingBase<H,Q>> operator

构造器详细资料

HavingBase

protected HavingBase(Q query)

HavingBase

protected HavingBase(H selector,
                     IAggregate aggregate)

方法详细资料

apply

protected HavingOperator<H> apply(FieldMapping column,
                                  IAggregate aggregate)

执行聚合操作

参数:

column - 聚合字段

aggregate - 聚合函数

返回:

Having条件判断

count

public HavingOperator<H> count()

count(*)

返回:

Having条件判断

apply

public HavingOperator<H> apply(String column)

执行聚合操作

参数:

column - 聚合操作, 比如 sum(column) 或者 select中聚合操作的别名

返回:

Having条件判断

apply

protected HavingOperator<H> apply()

指定者:

apply 在类中 BaseSegment<HavingOperator<H extends HavingBase<H,Q>>,Q extends IBaseQuery<?,Q>>