io.polaris.core.jdbc.annotation.segment

注释类型 Join

@Retention(value=RUNTIME)
 @Target(value={METHOD,TYPE,ANNOTATION_TYPE})
 @Documented
 @Inherited
public @interface Join

从以下版本开始:

Jan 28, 2024

作者:

Qt

必需元素概要

所需元素

限定符和类型	必需的元素和说明
String	alias
Criteria[]	on
Class<?>	table

可选元素概要

可选元素

限定符和类型	可选元素和说明
ColumnPredicate	columnPredicate
SelectColumn[]	columns
Condition[]	condition
GroupBy[]	groupBy
Having	having
OrderBy[]	orderBy
JoinType	type
Where	where

元素详细资料

table

public abstract Class<?> table

返回:

标识目标实体类型

alias

public abstract String alias

返回:

表别名

on

public abstract Criteria[] on

type

public abstract JoinType type

默认值:

io.polaris.core.jdbc.sql.consts.JoinType.JOIN

columns

public abstract SelectColumn[] columns

默认值:

{}

where

public abstract Where where

默认值:

@io.polaris.core.jdbc.annotation.segment.Where

groupBy

public abstract GroupBy[] groupBy

默认值:

{}

having

public abstract Having having

默认值:

@io.polaris.core.jdbc.annotation.segment.Having

orderBy

public abstract OrderBy[] orderBy

默认值:

{}

condition

public abstract Condition[] condition

默认值:

{}

columnPredicate

public abstract ColumnPredicate columnPredicate

默认值:

@io.polaris.core.jdbc.annotation.segment.ColumnPredicate