org.tinygroup.tinysqldsl.selectitem

Class Distinct

java.lang.Object

org.tinygroup.tinysqldsl.operator.SimpleStatisticsOperator

org.tinygroup.tinysqldsl.selectitem.Distinct

All Implemented Interfaces:

Cloneable, ExpressionBuildProcessor, SelectItemBuildProcessor, Expression, StatisticsOperator, SelectItem

public class Distinct
extends SimpleStatisticsOperator
implements SelectItem, Cloneable

A DISTINCT [(expression, ...)] clause

Constructor Summary

Constructors

Constructor and Description
Distinct()
Distinct(SelectItem selectItem)
Distinct(String columnName)

Method Summary

Modifier and Type	Method and Description
Distinct	as(String aliasName)
Distinct	as(String aliasName, boolean withAs)
void	builderExpression(StatementSqlBuilder builder) 实现接口的sql片段通过builder.appendSql(String segment)进行拼接,也可以builder.getStringBuilder方法获取StringBuilder,然后进行append 实现的参数信息通过builder.addParamValue(Object...
void	builderSelectItem(StatementSqlBuilder builder) 实现接口的sql片段通过builder.appendSql(String segment)进行拼接,也可以builder.getStringBuilder方法获取StringBuilder,然后进行append 实现的参数信息通过builder.addParamValue(Object...
static Distinct	distinct()
static Distinct	distinct(SelectItem selectItem)
static Distinct	distinct(String columnName)
Alias	getAlias()
SelectItem	getSelectItem()
void	setAlias(Alias alias)
void	setSelectItem(SelectItem selectItem)
String	toString()

Methods inherited from class org.tinygroup.tinysqldsl.operator.SimpleStatisticsOperator

avg, count, max, min, sum

Methods inherited from class java.lang.Object

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

Constructor Detail

Distinct

public Distinct()

Distinct

public Distinct(String columnName)

Distinct

public Distinct(SelectItem selectItem)

Method Detail

distinct

public static Distinct distinct(SelectItem selectItem)

distinct

public static Distinct distinct(String columnName)

distinct

public static Distinct distinct()

as

public Distinct as(String aliasName)

as

public Distinct as(String aliasName,
                   boolean withAs)

getAlias

public Alias getAlias()

setAlias

public void setAlias(Alias alias)

getSelectItem

public SelectItem getSelectItem()

setSelectItem

public void setSelectItem(SelectItem selectItem)

toString

public String toString()

Overrides:

toString in class Object

builderSelectItem

public void builderSelectItem(StatementSqlBuilder builder)

Description copied from interface: SelectItemBuildProcessor

实现接口的sql片段通过builder.appendSql(String segment)进行拼接,也可以builder.getStringBuilder方法获取StringBuilder,然后进行append 实现的参数信息通过builder.addParamValue(Object... values)进行参数组装

Specified by:

builderSelectItem in interface SelectItemBuildProcessor

builderExpression

public void builderExpression(StatementSqlBuilder builder)

Description copied from interface: ExpressionBuildProcessor

实现接口的sql片段通过builder.appendSql(String segment)进行拼接,也可以builder.getStringBuilder方法获取StringBuilder,然后进行append 实现的参数信息通过builder.addParamValue(Object... values)进行参数组装

Specified by:

builderExpression in interface ExpressionBuildProcessor