程序包 org.elsfs.tool.sql.mybatisplus.extension

类 JoinQueryWrapper<E>

java.lang.Object

com.baomidou.mybatisplus.core.conditions.Wrapper<T>

com.baomidou.mybatisplus.core.conditions.AbstractWrapper<E,String,JoinQueryWrapper<E>>

org.elsfs.tool.sql.mybatisplus.extension.JoinQueryWrapper<E>

类型参数:

E - 实体类型

所有已实现的接口:

com.baomidou.mybatisplus.core.conditions.interfaces.Compare<JoinQueryWrapper<E>,String>, com.baomidou.mybatisplus.core.conditions.interfaces.Func<JoinQueryWrapper<E>,String>, com.baomidou.mybatisplus.core.conditions.interfaces.Join<JoinQueryWrapper<E>>, com.baomidou.mybatisplus.core.conditions.interfaces.Nested<JoinQueryWrapper<E>,JoinQueryWrapper<E>>, com.baomidou.mybatisplus.core.conditions.ISqlSegment, com.baomidou.mybatisplus.core.conditions.query.Query<JoinQueryWrapper<E>,E,String>, Serializable, org.elsfs.tool.sql.interfaces.Join<JoinQueryWrapper<E>,JoinQueryWrapper<E>.WrapperSelectJoinBuilderImpl,JoinQueryWrapper<E>.WrapperSelectJoinBuilderImpl.WrapperJoinConditionBuilderImpl>, org.elsfs.tool.sql.interfaces.SqlFragment, org.elsfs.tool.sql.interfaces.SqlParameterManager, org.elsfs.tool.sql.interfaces.SqlParameterManagerAware, org.elsfs.tool.sql.interfaces.TableAliasManagerAware, JoinWrapper<JoinQueryWrapper<E>,JoinQueryWrapper<E>.WrapperSelectJoinBuilderImpl,JoinQueryWrapper<E>.WrapperSelectJoinBuilderImpl.WrapperJoinConditionBuilderImpl>

public class JoinQueryWrapper<E>
extends com.baomidou.mybatisplus.core.conditions.AbstractWrapper<E,String,JoinQueryWrapper<E>>
implements JoinWrapper<JoinQueryWrapper<E>,JoinQueryWrapper<E>.WrapperSelectJoinBuilderImpl,JoinQueryWrapper<E>.WrapperSelectJoinBuilderImpl.WrapperJoinConditionBuilderImpl>, com.baomidou.mybatisplus.core.conditions.query.Query<JoinQueryWrapper<E>,E,String>, org.elsfs.tool.sql.interfaces.SqlParameterManagerAware, org.elsfs.tool.sql.interfaces.TableAliasManagerAware, org.elsfs.tool.sql.interfaces.SqlParameterManager

Join查询包装器

从以下版本开始:

0.0.4

作者:

zeng

另请参阅:

• 序列化表格

嵌套类概要

嵌套类

修饰符和类型	类	说明
class	JoinQueryWrapper.WrapperSelectJoinBuilderImpl	查询Join构建器实现

从类继承的嵌套类/接口 com.baomidou.mybatisplus.core.conditions.AbstractWrapper

com.baomidou.mybatisplus.core.conditions.AbstractWrapper.DoSomething

从接口继承的嵌套类/接口 org.elsfs.tool.sql.interfaces.Join

org.elsfs.tool.sql.interfaces.Join.JoinBuilder<C extends org.elsfs.tool.sql.interfaces.Join.JoinBuilder<C,JCB,J>,JCB extends org.elsfs.tool.sql.interfaces.Join.JoinConditionBuilder<JCB,C,J>,J extends org.elsfs.tool.sql.interfaces.Join<J,C,JCB>>, org.elsfs.tool.sql.interfaces.Join.JoinConditionBuilder<C extends org.elsfs.tool.sql.interfaces.Join.JoinConditionBuilder<C,JB,J>,JB extends org.elsfs.tool.sql.interfaces.Join.JoinBuilder<JB,C,J>,J extends org.elsfs.tool.sql.interfaces.Join<J,JB,C>>, org.elsfs.tool.sql.interfaces.Join.SelectJoinBuilder<C extends org.elsfs.tool.sql.interfaces.Join.SelectJoinBuilder<C,JCB,J>,JCB extends org.elsfs.tool.sql.interfaces.Join.JoinConditionBuilder<JCB,C,J>,J extends org.elsfs.tool.sql.interfaces.Join<J,C,JCB>>

字段概要

从类继承的字段 com.baomidou.mybatisplus.core.conditions.AbstractWrapper

expression, lastSql, paramAlias, paramNameSeq, paramNameValuePairs, sqlComment, sqlFirst, typedThis

从接口继承的字段 org.elsfs.tool.sql.interfaces.Join

TABLE_ALIAS

从接口继承的字段 org.elsfs.tool.sql.mybatisplus.extension.JoinWrapper

FIELD_SEPARATOR, TABLE_ALIAS_PREFIX

构造器概要

构造器

构造器	说明
JoinQueryWrapper(Class<E> entityClass)	构造方法
JoinQueryWrapper(Class<E> entityClass, org.elsfs.tool.sql.interfaces.TableAliasManager tableAliasManager)	构造方法

方法概要

修饰符和类型	方法	说明
String	buildSqlFragment()	构建SQL片段
JoinQueryWrapper<E>	clearDefaultSelectedFields()	自定义SQL选择字段
String	getJoinSqlSegment()	获取JOIN的SQL片段
org.elsfs.tool.sql.interfaces.SqlParameterManager	getSqlParameterManager()	获取SQL参数管理器
Map<String,Object>	getSqlParameters()	获取SQL参数
String	getSqlSelect()	查询字段 SQL 片段
org.elsfs.tool.sql.interfaces.TableAliasManager	getTableAliasManager()	获取表别名管理器
protected JoinQueryWrapper<E>	instance()	子类返回一个自己的新对象
boolean	isClearedDefaultSelectedFields()	是否自定义选择字段
JoinQueryWrapper<E>.WrapperSelectJoinBuilderImpl	join(Class<?> entityClass)	内连接一张表
JoinQueryWrapper<E>.WrapperSelectJoinBuilderImpl	join(Class<?> entityClass, String tableAlias)	内连接一张表
JoinQueryWrapper<E>.WrapperSelectJoinBuilderImpl	join(Class<?> entityClass, String tableAlias, boolean registerAlias)	内连接一张表
JoinQueryWrapper<E>.WrapperSelectJoinBuilderImpl	join(String table)	内连接一张表
JoinQueryWrapper<E>.WrapperSelectJoinBuilderImpl	join(String table, String tableAlias)	内连接一张表
JoinQueryWrapper<E>.WrapperSelectJoinBuilderImpl	join(String table, String tableAlias, boolean registerAlias)	内连接一张表
JoinQueryWrapper<E>.WrapperSelectJoinBuilderImpl	join(Consumer<org.elsfs.tool.sql.builder.StandardSelectSql> sqlBuilderConsumer, String tableAlias)	内连接一个子查询
JoinQueryWrapper<E>.WrapperSelectJoinBuilderImpl	leftJoin(Class<?> entityClass)	左连接一张表
JoinQueryWrapper<E>.WrapperSelectJoinBuilderImpl	leftJoin(Class<?> entityClass, String tableAlias)	左连接一张表
JoinQueryWrapper<E>.WrapperSelectJoinBuilderImpl	leftJoin(Class<?> entityClass, String tableAlias, boolean registerAlias)	左连接一张表
JoinQueryWrapper<E>.WrapperSelectJoinBuilderImpl	leftJoin(String table)	左连接一张表
JoinQueryWrapper<E>.WrapperSelectJoinBuilderImpl	leftJoin(String table, String tableAlias)	左连接一张表
JoinQueryWrapper<E>.WrapperSelectJoinBuilderImpl	leftJoin(String table, String tableAlias, boolean registerAlias)	左连接一张表
JoinQueryWrapper<E>.WrapperSelectJoinBuilderImpl	leftJoin(Consumer<org.elsfs.tool.sql.builder.StandardSelectSql> sqlBuilderConsumer, String tableAlias)	左连接一个子查询
String	registerParameter(Object value)	注册SQL参数
JoinQueryWrapper<E>.WrapperSelectJoinBuilderImpl	rightJoin(Class<?> entityClass)	右连接一张表
JoinQueryWrapper<E>.WrapperSelectJoinBuilderImpl	rightJoin(Class<?> entityClass, String tableAlias)	右连接一张表
JoinQueryWrapper<E>.WrapperSelectJoinBuilderImpl	rightJoin(Class<?> entityClass, String tableAlias, boolean registerAlias)	右连接一张表
JoinQueryWrapper<E>.WrapperSelectJoinBuilderImpl	rightJoin(String table)	右连接一张表
JoinQueryWrapper<E>.WrapperSelectJoinBuilderImpl	rightJoin(String table, String tableAlias)	右连接一张表
JoinQueryWrapper<E>.WrapperSelectJoinBuilderImpl	rightJoin(String table, String tableAlias, boolean registerAlias)	右连接一张表
JoinQueryWrapper<E>.WrapperSelectJoinBuilderImpl	rightJoin(Consumer<org.elsfs.tool.sql.builder.StandardSelectSql> sqlBuilderConsumer, String tableAlias)	右连接一个子查询
JoinQueryWrapper<E>	select(boolean condition, List<String> columns)
JoinQueryWrapper<E>	select(Class<E> entityClass, Predicate<com.baomidou.mybatisplus.core.metadata.TableFieldInfo> predicate)	过滤查询的字段信息(主键除外!)
JoinQueryWrapper<E>	select(String... fields)	自定义选择字段
JoinQueryWrapper<E>	select(Collection<String> fields)	自定义选择字段

从类继承的方法 com.baomidou.mybatisplus.core.conditions.AbstractWrapper

addCondition, addNestedCondition, allEq, allEq, and, and, appendSqlSegments, apply, between, clear, clone, columnsToString, columnsToString, columnToSqlSegment, columnToString, comment, eq, exists, first, formatParam, formatSqlMaybeWithParam, func, ge, geSql, getEntity, getEntityClass, getExpression, getParamAlias, getParamNameValuePairs, getSqlComment, getSqlFirst, getSqlSegment, groupBy, groupBy, groupBy, gt, gtSql, having, in, in, inExpression, inExpression, initNeed, inSql, isNotNull, isNull, isUseAnnotationOrderBy, last, le, leSql, like, likeLeft, likeRight, likeValue, lt, ltSql, maybeDo, ne, nested, not, not, notBetween, notExists, notIn, notIn, notInSql, notLike, notLikeLeft, notLikeRight, or, or, orderBy, orderBy, orderBy, setEntity, setEntityClass, setParamAlias

从类继承的方法 com.baomidou.mybatisplus.core.conditions.Wrapper

getCustomSqlSegment, getSqlSet, getTargetSql, isEmptyOfEntity, isEmptyOfNormal, isEmptyOfWhere, isNonEmptyOfEntity, isNonEmptyOfNormal, isNonEmptyOfWhere, nonEmptyOfEntity, nonEmptyOfNormal, nonEmptyOfWhere

从类继承的方法 java.lang.Object

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

从接口继承的方法 com.baomidou.mybatisplus.core.conditions.interfaces.Compare

allEq, allEq, allEq, allEq, between, eq, ge, gt, le, like, likeLeft, likeRight, lt, ne, notBetween, notLike, notLikeLeft, notLikeRight

从接口继承的方法 com.baomidou.mybatisplus.core.conditions.interfaces.Func

func, geSql, groupBy, groupBy, groupBy, gtSql, having, in, in, inSql, isNotNull, isNull, leSql, ltSql, notIn, notIn, notInSql, orderByAsc, orderByAsc, orderByAsc, orderByAsc, orderByAsc, orderByAsc, orderByDesc, orderByDesc, orderByDesc, orderByDesc, orderByDesc, orderByDesc

从接口继承的方法 com.baomidou.mybatisplus.core.conditions.interfaces.Join

apply, comment, exists, first, last, notExists, or

从接口继承的方法 com.baomidou.mybatisplus.core.conditions.interfaces.Nested

and, nested, not, or

从接口继承的方法 com.baomidou.mybatisplus.core.conditions.query.Query

select, select, select

构造器详细资料

JoinQueryWrapper

public JoinQueryWrapper(Class<E> entityClass)

构造方法

参数:

entityClass - 实体类类型

JoinQueryWrapper

public JoinQueryWrapper(Class<E> entityClass,
 org.elsfs.tool.sql.interfaces.TableAliasManager tableAliasManager)

构造方法

参数:

entityClass - 实体类类型

tableAliasManager - 表别名管理器

方法详细资料

instance

protected JoinQueryWrapper<E> instance()

子类返回一个自己的新对象

指定者:

instance 在类中 com.baomidou.mybatisplus.core.conditions.AbstractWrapper<E,String,JoinQueryWrapper<E>>

join

public JoinQueryWrapper<E>.WrapperSelectJoinBuilderImpl join(Class<?> entityClass)

内连接一张表

指定者:

join 在接口中 org.elsfs.tool.sql.interfaces.Join<JoinQueryWrapper<E>,JoinQueryWrapper<E>.WrapperSelectJoinBuilderImpl,JoinQueryWrapper<E>.WrapperSelectJoinBuilderImpl.WrapperJoinConditionBuilderImpl>

参数:

entityClass - 实体类

返回:

连接配置对象

join

public JoinQueryWrapper<E>.WrapperSelectJoinBuilderImpl join(Class<?> entityClass,
 String tableAlias)

内连接一张表

指定者:

join 在接口中 org.elsfs.tool.sql.interfaces.Join<JoinQueryWrapper<E>,JoinQueryWrapper<E>.WrapperSelectJoinBuilderImpl,JoinQueryWrapper<E>.WrapperSelectJoinBuilderImpl.WrapperJoinConditionBuilderImpl>

参数:

entityClass - 实体类

tableAlias - 表别名

返回:

连接配置对象

join

public JoinQueryWrapper<E>.WrapperSelectJoinBuilderImpl join(Class<?> entityClass,
 String tableAlias,
 boolean registerAlias)

内连接一张表

指定者:

join 在接口中 org.elsfs.tool.sql.interfaces.Join<JoinQueryWrapper<E>,JoinQueryWrapper<E>.WrapperSelectJoinBuilderImpl,JoinQueryWrapper<E>.WrapperSelectJoinBuilderImpl.WrapperJoinConditionBuilderImpl>

参数:

entityClass - 实体类

tableAlias - 表别名

registerAlias - 是否注册别名

返回:

连接配置对象

join

public JoinQueryWrapper<E>.WrapperSelectJoinBuilderImpl join(String table)

内连接一张表

指定者:

join 在接口中 org.elsfs.tool.sql.interfaces.Join<JoinQueryWrapper<E>,JoinQueryWrapper<E>.WrapperSelectJoinBuilderImpl,JoinQueryWrapper<E>.WrapperSelectJoinBuilderImpl.WrapperJoinConditionBuilderImpl>

参数:

table - 数据库表名

返回:

连接配置对象

join

public JoinQueryWrapper<E>.WrapperSelectJoinBuilderImpl join(String table,
 String tableAlias)

内连接一张表

指定者:

join 在接口中 org.elsfs.tool.sql.interfaces.Join<JoinQueryWrapper<E>,JoinQueryWrapper<E>.WrapperSelectJoinBuilderImpl,JoinQueryWrapper<E>.WrapperSelectJoinBuilderImpl.WrapperJoinConditionBuilderImpl>

参数:

table - 数据库表名

tableAlias - 表别名

返回:

连接配置对象

join

public JoinQueryWrapper<E>.WrapperSelectJoinBuilderImpl join(String table,
 String tableAlias,
 boolean registerAlias)

内连接一张表

指定者:

join 在接口中 org.elsfs.tool.sql.interfaces.Join<JoinQueryWrapper<E>,JoinQueryWrapper<E>.WrapperSelectJoinBuilderImpl,JoinQueryWrapper<E>.WrapperSelectJoinBuilderImpl.WrapperJoinConditionBuilderImpl>

参数:

table - 数据库表名

tableAlias - 表别名

registerAlias - 是否注册别名

返回:

连接配置对象

join

public JoinQueryWrapper<E>.WrapperSelectJoinBuilderImpl join(Consumer<org.elsfs.tool.sql.builder.StandardSelectSql> sqlBuilderConsumer,
 String tableAlias)

内连接一个子查询

指定者:

join 在接口中 org.elsfs.tool.sql.interfaces.Join<JoinQueryWrapper<E>,JoinQueryWrapper<E>.WrapperSelectJoinBuilderImpl,JoinQueryWrapper<E>.WrapperSelectJoinBuilderImpl.WrapperJoinConditionBuilderImpl>

参数:

sqlBuilderConsumer - 子查询构建器

tableAlias - 表别名

返回:

连接配置对象

leftJoin

public JoinQueryWrapper<E>.WrapperSelectJoinBuilderImpl leftJoin(Class<?> entityClass)

左连接一张表

指定者:

leftJoin 在接口中 org.elsfs.tool.sql.interfaces.Join<JoinQueryWrapper<E>,JoinQueryWrapper<E>.WrapperSelectJoinBuilderImpl,JoinQueryWrapper<E>.WrapperSelectJoinBuilderImpl.WrapperJoinConditionBuilderImpl>

参数:

entityClass - 实体类

返回:

连接配置对象

leftJoin

public JoinQueryWrapper<E>.WrapperSelectJoinBuilderImpl leftJoin(Class<?> entityClass,
 String tableAlias)

左连接一张表

指定者:

leftJoin 在接口中 org.elsfs.tool.sql.interfaces.Join<JoinQueryWrapper<E>,JoinQueryWrapper<E>.WrapperSelectJoinBuilderImpl,JoinQueryWrapper<E>.WrapperSelectJoinBuilderImpl.WrapperJoinConditionBuilderImpl>

参数:

entityClass - 实体类

tableAlias - 表别名

返回:

连接配置对象

leftJoin

public JoinQueryWrapper<E>.WrapperSelectJoinBuilderImpl leftJoin(Class<?> entityClass,
 String tableAlias,
 boolean registerAlias)

左连接一张表

指定者:

leftJoin 在接口中 org.elsfs.tool.sql.interfaces.Join<JoinQueryWrapper<E>,JoinQueryWrapper<E>.WrapperSelectJoinBuilderImpl,JoinQueryWrapper<E>.WrapperSelectJoinBuilderImpl.WrapperJoinConditionBuilderImpl>

参数:

entityClass - 实体类

tableAlias - 表别名

registerAlias - 是否注册别名

返回:

连接配置对象

leftJoin

public JoinQueryWrapper<E>.WrapperSelectJoinBuilderImpl leftJoin(String table,
 String tableAlias)

左连接一张表

指定者:

leftJoin 在接口中 org.elsfs.tool.sql.interfaces.Join<JoinQueryWrapper<E>,JoinQueryWrapper<E>.WrapperSelectJoinBuilderImpl,JoinQueryWrapper<E>.WrapperSelectJoinBuilderImpl.WrapperJoinConditionBuilderImpl>

参数:

table - 数据库表名

tableAlias - 表别名

返回:

连接配置对象

leftJoin

public JoinQueryWrapper<E>.WrapperSelectJoinBuilderImpl leftJoin(String table,
 String tableAlias,
 boolean registerAlias)

左连接一张表

指定者:

leftJoin 在接口中 org.elsfs.tool.sql.interfaces.Join<JoinQueryWrapper<E>,JoinQueryWrapper<E>.WrapperSelectJoinBuilderImpl,JoinQueryWrapper<E>.WrapperSelectJoinBuilderImpl.WrapperJoinConditionBuilderImpl>

参数:

table - 数据库表名

tableAlias - 表别名

registerAlias - 是否注册别名

返回:

连接配置对象

leftJoin

public JoinQueryWrapper<E>.WrapperSelectJoinBuilderImpl leftJoin(Consumer<org.elsfs.tool.sql.builder.StandardSelectSql> sqlBuilderConsumer,
 String tableAlias)

左连接一个子查询

指定者:

leftJoin 在接口中 org.elsfs.tool.sql.interfaces.Join<JoinQueryWrapper<E>,JoinQueryWrapper<E>.WrapperSelectJoinBuilderImpl,JoinQueryWrapper<E>.WrapperSelectJoinBuilderImpl.WrapperJoinConditionBuilderImpl>

参数:

sqlBuilderConsumer - 子查询构建器

tableAlias - 表别名

返回:

连接配置对象

leftJoin

public JoinQueryWrapper<E>.WrapperSelectJoinBuilderImpl leftJoin(String table)

左连接一张表

指定者:

leftJoin 在接口中 org.elsfs.tool.sql.interfaces.Join<JoinQueryWrapper<E>,JoinQueryWrapper<E>.WrapperSelectJoinBuilderImpl,JoinQueryWrapper<E>.WrapperSelectJoinBuilderImpl.WrapperJoinConditionBuilderImpl>

参数:

table - 数据库表名

返回:

连接配置对象

rightJoin

public JoinQueryWrapper<E>.WrapperSelectJoinBuilderImpl rightJoin(Class<?> entityClass)

右连接一张表

指定者:

rightJoin 在接口中 org.elsfs.tool.sql.interfaces.Join<JoinQueryWrapper<E>,JoinQueryWrapper<E>.WrapperSelectJoinBuilderImpl,JoinQueryWrapper<E>.WrapperSelectJoinBuilderImpl.WrapperJoinConditionBuilderImpl>

参数:

entityClass - 实体类

返回:

连接配置对象

rightJoin

public JoinQueryWrapper<E>.WrapperSelectJoinBuilderImpl rightJoin(String table,
 String tableAlias,
 boolean registerAlias)

右连接一张表

指定者:

rightJoin 在接口中 org.elsfs.tool.sql.interfaces.Join<JoinQueryWrapper<E>,JoinQueryWrapper<E>.WrapperSelectJoinBuilderImpl,JoinQueryWrapper<E>.WrapperSelectJoinBuilderImpl.WrapperJoinConditionBuilderImpl>

参数:

table - 数据库表名

tableAlias - 表别名

registerAlias - 是否注册别名

返回:

连接配置对象

rightJoin

public JoinQueryWrapper<E>.WrapperSelectJoinBuilderImpl rightJoin(Class<?> entityClass,
 String tableAlias)

右连接一张表

指定者:

rightJoin 在接口中 org.elsfs.tool.sql.interfaces.Join<JoinQueryWrapper<E>,JoinQueryWrapper<E>.WrapperSelectJoinBuilderImpl,JoinQueryWrapper<E>.WrapperSelectJoinBuilderImpl.WrapperJoinConditionBuilderImpl>

参数:

entityClass - 实体类

tableAlias - 表别名

返回:

连接配置对象

rightJoin

public JoinQueryWrapper<E>.WrapperSelectJoinBuilderImpl rightJoin(Class<?> entityClass,
 String tableAlias,
 boolean registerAlias)

右连接一张表

指定者:

rightJoin 在接口中 org.elsfs.tool.sql.interfaces.Join<JoinQueryWrapper<E>,JoinQueryWrapper<E>.WrapperSelectJoinBuilderImpl,JoinQueryWrapper<E>.WrapperSelectJoinBuilderImpl.WrapperJoinConditionBuilderImpl>

参数:

entityClass - 实体类

tableAlias - 表别名

registerAlias - 是否注册别名

返回:

连接配置对象

rightJoin

public JoinQueryWrapper<E>.WrapperSelectJoinBuilderImpl rightJoin(String table)

右连接一张表

指定者:

rightJoin 在接口中 org.elsfs.tool.sql.interfaces.Join<JoinQueryWrapper<E>,JoinQueryWrapper<E>.WrapperSelectJoinBuilderImpl,JoinQueryWrapper<E>.WrapperSelectJoinBuilderImpl.WrapperJoinConditionBuilderImpl>

参数:

table - 数据库表名

返回:

连接配置对象

rightJoin

public JoinQueryWrapper<E>.WrapperSelectJoinBuilderImpl rightJoin(String table,
 String tableAlias)

右连接一张表

指定者:

rightJoin 在接口中 org.elsfs.tool.sql.interfaces.Join<JoinQueryWrapper<E>,JoinQueryWrapper<E>.WrapperSelectJoinBuilderImpl,JoinQueryWrapper<E>.WrapperSelectJoinBuilderImpl.WrapperJoinConditionBuilderImpl>

参数:

table - 数据库表名

tableAlias - 表别名

返回:

连接配置对象

rightJoin

public JoinQueryWrapper<E>.WrapperSelectJoinBuilderImpl rightJoin(Consumer<org.elsfs.tool.sql.builder.StandardSelectSql> sqlBuilderConsumer,
 String tableAlias)

右连接一个子查询

指定者:

rightJoin 在接口中 org.elsfs.tool.sql.interfaces.Join<JoinQueryWrapper<E>,JoinQueryWrapper<E>.WrapperSelectJoinBuilderImpl,JoinQueryWrapper<E>.WrapperSelectJoinBuilderImpl.WrapperJoinConditionBuilderImpl>

参数:

sqlBuilderConsumer - 子查询构建器

tableAlias - 表别名

返回:

连接配置对象

getJoinSqlSegment

public String getJoinSqlSegment()

获取JOIN的SQL片段

指定者:

getJoinSqlSegment 在接口中 JoinWrapper<JoinQueryWrapper<E>,JoinQueryWrapper<E>.WrapperSelectJoinBuilderImpl,JoinQueryWrapper<E>.WrapperSelectJoinBuilderImpl.WrapperJoinConditionBuilderImpl>

返回:

SQL片段

isClearedDefaultSelectedFields

public boolean isClearedDefaultSelectedFields()

是否自定义选择字段

指定者:

isClearedDefaultSelectedFields 在接口中 JoinWrapper<JoinQueryWrapper<E>,JoinQueryWrapper<E>.WrapperSelectJoinBuilderImpl,JoinQueryWrapper<E>.WrapperSelectJoinBuilderImpl.WrapperJoinConditionBuilderImpl>

返回:

bool

clearDefaultSelectedFields

public JoinQueryWrapper<E> clearDefaultSelectedFields()

自定义SQL选择字段

指定者:

clearDefaultSelectedFields 在接口中 JoinWrapper<JoinQueryWrapper<E>,JoinQueryWrapper<E>.WrapperSelectJoinBuilderImpl,JoinQueryWrapper<E>.WrapperSelectJoinBuilderImpl.WrapperJoinConditionBuilderImpl>

返回:

this

select

public JoinQueryWrapper<E> select(String... fields)

自定义选择字段

指定者:

select 在接口中 com.baomidou.mybatisplus.core.conditions.query.Query<JoinQueryWrapper<E>,E,String>

参数:

fields - 字段列表

返回:

this

select

public JoinQueryWrapper<E> select(boolean condition,
 List<String> columns)

指定者:

select 在接口中 com.baomidou.mybatisplus.core.conditions.query.Query<JoinQueryWrapper<E>,E,String>

select

public JoinQueryWrapper<E> select(Collection<String> fields)

自定义选择字段

参数:

fields - 字段集合

返回:

this

select

public JoinQueryWrapper<E> select(Class<E> entityClass,
 Predicate<com.baomidou.mybatisplus.core.metadata.TableFieldInfo> predicate)

过滤查询的字段信息(主键除外!)

例1: 只要 java 字段名以 "test" 开头的 -> select(i -> i.getProperty().startsWith("test"))

例2: 只要 java 字段属性是 CharSequence 类型的 -> select(TableFieldInfo::isCharSequence)

例3: 只要 java 字段没有填充策略的 -> select(i -> i.getFieldFill() == FieldFill.DEFAULT)

例4: 要全部字段 -> select(i -> true)

例5: 只要主键字段 -> select(i -> false)

指定者:

select 在接口中 com.baomidou.mybatisplus.core.conditions.query.Query<JoinQueryWrapper<E>,E,String>

参数:

entityClass - 实体类

predicate - 过滤方式

返回:

children

getSqlSelect

public String getSqlSelect()

查询字段 SQL 片段

指定者:

getSqlSelect 在接口中 com.baomidou.mybatisplus.core.conditions.query.Query<JoinQueryWrapper<E>,E,String>

覆盖:

getSqlSelect 在类中 com.baomidou.mybatisplus.core.conditions.Wrapper<E>

返回:

SQL片段

buildSqlFragment

public String buildSqlFragment()

构建SQL片段

指定者:

buildSqlFragment 在接口中 org.elsfs.tool.sql.interfaces.SqlFragment

返回:

SQL片段

registerParameter

public String registerParameter(Object value)

注册SQL参数

指定者:

registerParameter 在接口中 org.elsfs.tool.sql.interfaces.SqlParameterManager

参数:

value - 参数值

返回:

参数名称

getSqlParameters

public Map<String,Object> getSqlParameters()

获取SQL参数

指定者:

getSqlParameters 在接口中 org.elsfs.tool.sql.interfaces.SqlParameterManager

返回:

SQL参数

getSqlParameterManager

public org.elsfs.tool.sql.interfaces.SqlParameterManager getSqlParameterManager()

获取SQL参数管理器

指定者:

getSqlParameterManager 在接口中 org.elsfs.tool.sql.interfaces.SqlParameterManagerAware

返回:

SQL参数管理器

getTableAliasManager

public org.elsfs.tool.sql.interfaces.TableAliasManager getTableAliasManager()

获取表别名管理器

指定者:

getTableAliasManager 在接口中 org.elsfs.tool.sql.interfaces.TableAliasManagerAware

返回:

表名别管理器