icu.mhb.mybatisplus.plugln.core

类 JoinLambdaWrapper<T>

java.lang.Object

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

com.baomidou.mybatisplus.core.conditions.AbstractWrapper<T,R,Children>

icu.mhb.mybatisplus.plugln.core.support.SupportJoinWrapper<T,com.baomidou.mybatisplus.core.toolkit.support.SFunction<T,?>,Children>

icu.mhb.mybatisplus.plugln.core.support.SupportJoinLambdaWrapper<T,JoinLambdaWrapper<T>>

icu.mhb.mybatisplus.plugln.core.JoinLambdaWrapper<T>

所有已实现的接口:

com.baomidou.mybatisplus.core.conditions.interfaces.Compare<JoinLambdaWrapper<T>,com.baomidou.mybatisplus.core.toolkit.support.SFunction<T,?>>, com.baomidou.mybatisplus.core.conditions.interfaces.Func<JoinLambdaWrapper<T>,com.baomidou.mybatisplus.core.toolkit.support.SFunction<T,?>>, com.baomidou.mybatisplus.core.conditions.interfaces.Join<JoinLambdaWrapper<T>>, com.baomidou.mybatisplus.core.conditions.interfaces.Nested<JoinLambdaWrapper<T>,JoinLambdaWrapper<T>>, com.baomidou.mybatisplus.core.conditions.ISqlSegment, com.baomidou.mybatisplus.core.conditions.query.Query<JoinLambdaWrapper<T>,T,com.baomidou.mybatisplus.core.toolkit.support.SFunction<T,?>>, IfCompareFun<JoinLambdaWrapper<T>,com.baomidou.mybatisplus.core.toolkit.support.SFunction<T,?>>, JoinCompareFun<JoinLambdaWrapper<T>,T>, JoinMethodFunc<T>, JoinOrderFunc<JoinLambdaWrapper<T>,com.baomidou.mybatisplus.core.toolkit.support.SFunction<T,?>>, JoinQueryFunc<T,com.baomidou.mybatisplus.core.toolkit.support.SFunction<T,?>,JoinLambdaWrapper<T>>, Serializable

public class JoinLambdaWrapper<T>
extends SupportJoinLambdaWrapper<T,JoinLambdaWrapper<T>>
implements com.baomidou.mybatisplus.core.conditions.query.Query<JoinLambdaWrapper<T>,T,com.baomidou.mybatisplus.core.toolkit.support.SFunction<T,?>>, JoinMethodFunc<T>, JoinQueryFunc<T,com.baomidou.mybatisplus.core.toolkit.support.SFunction<T,?>,JoinLambdaWrapper<T>>

构建条件对象

作者:

mahuibo

另请参阅:

序列化表格

嵌套类概要

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

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

字段概要

字段

限定符和类型	字段和说明
private List<String>	joinConditionSql 关联表条件SQL
private List<com.baomidou.mybatisplus.core.conditions.SharedString>	joinSqlSelect 关联表的查询子段
private Class<T>	masterClass 主表class
private com.baomidou.mybatisplus.core.conditions.SharedString	sqlCache SQL缓存
private boolean	sqlCacheFlag 判断SQL是否缓存过
private com.baomidou.mybatisplus.core.conditions.SharedString	sqlSelectCahce 查询字段缓存
private boolean	sqlSelectFlag 查询字段是否缓存过

从类继承的字段 icu.mhb.mybatisplus.plugln.core.support.SupportJoinLambdaWrapper

aliasMap, orderByBuildList, sunQueryList, tableIndex

从类继承的字段 icu.mhb.mybatisplus.plugln.core.support.SupportJoinWrapper

customAliasMap, fieldMappingList, hasDistinct, joinSql, manyToManySelectBuildList, masterLogicDelete, masterTableAlias, mpjConfig, notDefaultSelectAll, oneToOneSelectBuildList, sqlSelect

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

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

构造器概要

构造器

构造器和说明
JoinLambdaWrapper(Class<T> entityClass)
JoinLambdaWrapper(Class<T> entityClass, String alias) 不建议直接 new 该实例，使用 Wrappers.lambdaQuery(entity)
JoinLambdaWrapper(T entity)
JoinLambdaWrapper(T entity, Class<T> entityClass, List<com.baomidou.mybatisplus.core.conditions.SharedString> sqlSelect, AtomicInteger paramNameSeq, Map<String,Object> paramNameValuePairs, com.baomidou.mybatisplus.core.conditions.segments.MergeSegments mergeSegments, Map<Class<?>,String> aliasMap, com.baomidou.mybatisplus.core.conditions.SharedString lastSql, com.baomidou.mybatisplus.core.conditions.SharedString sqlComment, com.baomidou.mybatisplus.core.conditions.SharedString sqlFirst)
JoinLambdaWrapper(T entity, Class<T> entityClass, List<com.baomidou.mybatisplus.core.conditions.SharedString> sqlSelect, AtomicInteger paramNameSeq, Map<String,Object> paramNameValuePairs, com.baomidou.mybatisplus.core.conditions.segments.MergeSegments mergeSegments, com.baomidou.mybatisplus.core.conditions.SharedString lastSql, com.baomidou.mybatisplus.core.conditions.SharedString sqlComment, com.baomidou.mybatisplus.core.conditions.SharedString sqlFirst, String masterTableAlias, boolean notDefaultSelectAll, boolean hasDistinct, List<FieldMapping> fieldMappingList, List<OneToOneSelectBuild> oneToOneSelectBuildList, List<ManyToManySelectBuild> manyToManySelectBuildList, List<com.baomidou.mybatisplus.core.conditions.SharedString> joinSql, List<com.baomidou.mybatisplus.core.conditions.SharedString> joinSqlSelect, List<String> joinConditionSql, Map<Class<?>,String> aliasMap, boolean sqlCacheFlag, com.baomidou.mybatisplus.core.conditions.SharedString sqlCache, boolean sqlSelectFlag, com.baomidou.mybatisplus.core.conditions.SharedString sqlSelectCache) 全参数公共构造函数 - 用于状态复制
JoinLambdaWrapper(T entity, String alias) 不建议直接 new 该实例，使用 Wrappers.lambdaQuery(entity)

方法概要

限定符和类型	方法和说明
void	clear()
String	getCustomSqlSegment()
String	getSqlSegment() 条件SQL
String	getSqlSelect()
List<com.baomidou.mybatisplus.core.conditions.SharedString>	getSqlSelectList()
protected void	initNeed()
protected JoinLambdaWrapper<T>	instance() 用于生成嵌套 sql 故 sqlSelect 不向下传递
<J> JoinWrapper<J,T>	join(Class<J> clz, String alias, boolean logicDelete) 进行join操作
JoinLambdaWrapper<T>	notDefaultSelectAll() 在没有指定查询主表字段的情况下，不进行查询字段
JoinLambdaWrapper<T>	select(boolean condition, List<com.baomidou.mybatisplus.core.toolkit.support.SFunction<T,?>> columns)
JoinLambdaWrapper<T>	select(Class<T> entityClass, java.util.function.Predicate<com.baomidou.mybatisplus.core.metadata.TableFieldInfo> predicate) 过滤查询的字段信息(主键除外!)
JoinLambdaWrapper<T>	select(com.baomidou.mybatisplus.core.toolkit.support.SFunction<T,?>... columns) SELECT 部分 SQL 设置
(专用程序包) void	setAliasMap(Map<Class<?>,String> aliasCacheMap)
protected void	setFieldMappingList(List<FieldMapping> fieldMappingList)
(专用程序包) void	setGroupBy(com.baomidou.mybatisplus.core.conditions.segments.GroupBySegmentList groupBy) 存入分组数据
(专用程序包) void	setHaving(List<HavingBuild> havingBuildList) 存入having数据
(专用程序包) void	setJoinConditionSql(List<com.baomidou.mybatisplus.core.conditions.SharedString> sunQueryList, List<com.baomidou.mybatisplus.core.conditions.SharedString> joinSql, String sql, String key, Map<String,Object> joinParamNameValuePairs) 存入外联表 join 查询条件
(专用程序包) void	setJoinSelect(List<com.baomidou.mybatisplus.core.conditions.SharedString> select) 存入外联表查询子段
(专用程序包) void	setJoinSql(List<com.baomidou.mybatisplus.core.conditions.SharedString> sql) 存入外联表join SQL
(专用程序包) void	setLastSql(com.baomidou.mybatisplus.core.conditions.SharedString last) 存入最后一位的SQL 只能存在一个
(专用程序包) void	setManyToManySelect(ManyToManySelectBuild manyToManySelect)
(专用程序包) void	setOderByBuildList(List<OrderByBuild> orderByBuildList)
(专用程序包) void	setOneToOneSelect(OneToOneSelectBuild oneToOneSelect)
(专用程序包) void	setOrderBy(com.baomidou.mybatisplus.core.conditions.segments.OrderBySegmentList orderBy) 存入排序
(专用程序包) void	setSunQueryList(List<com.baomidou.mybatisplus.core.conditions.SharedString> sunQueryList)
JoinStrQueryWrapper<T>	toStr() 转换为String类型的Join构造器 原模原样复制所有状态

从类继承的方法 icu.mhb.mybatisplus.plugln.core.support.SupportJoinLambdaWrapper

addCondition, between, changeQueryWrapper, columnsToString, columnsToString, columnsToString, columnsToString, columnToString, columnToString, columnToStringNoAlias, eq, ge, getAlias, getAlias, getAliasAndField, getAliasAndField, getColumn, getConditionR, getEntityOrMasterClass, getSelectColumn, getTableClass, gt, le, lt, ne, notBetween, orderBy, orderBySql, selectAll, selectAll, selectAs, selectAs, selectAs, selectAs, selectSunQuery, selectSunQuery, setAlias

从类继承的方法 icu.mhb.mybatisplus.plugln.core.support.SupportJoinWrapper

addObjConditions, addObjConditions, distinct, executeQuery, getAliasAndField, getFuncKeyWord, getJoinSql, getTableFieldInfoByFieldName, getTableFieldInfoByFieldName, masterLogicDelete, readWrapperInfo, setFieldMappingList, setFuncKeyWord

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

addCondition, addNestedCondition, allEq, allEq, and, and, appendSqlSegments, apply, between, clone, columnSqlInjectFilter, columnsToString, columnToSqlSegment, comment, eq, exists, first, formatParam, formatSqlMaybeWithParam, func, ge, geSql, getEntity, getEntityClass, getExpression, getParamAlias, getParamNameValuePairs, getSqlComment, getSqlFirst, groupBy, groupBy, groupBy, gt, gtSql, having, in, in, inExpression, inExpression, 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

getSqlSet, getTargetSql, isEmptyOfEntity, isEmptyOfNormal, isEmptyOfWhere, 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.query.Query

select

从接口继承的方法 icu.mhb.mybatisplus.plugln.core.func.JoinMethodFunc

innerJoin, innerJoin, innerJoin, innerJoin, innerJoin, innerJoin, innerJoin, innerJoin, innerJoin, join, join, join, leftJoin, leftJoin, leftJoin, leftJoin, leftJoin, leftJoin, leftJoin, leftJoin, leftJoin, pushInnerJoin, pushInnerJoin, pushInnerJoin, pushInnerJoin, pushJoin, pushJoin, pushLeftJoin, pushLeftJoin, pushLeftJoin, pushLeftJoin, pushRightJoin, pushRightJoin, pushRightJoin, pushRightJoin, rightJoin, rightJoin, rightJoin, rightJoin, rightJoin, rightJoin, rightJoin, rightJoin, rightJoin

从接口继承的方法 icu.mhb.mybatisplus.plugln.core.func.JoinQueryFunc

executeQuery, getSunWrapper, joinCount, joinGetOne, joinGetOne, joinList, joinList, joinPage, joinPage

从接口继承的方法 icu.mhb.mybatisplus.plugln.core.func.JoinOrderFunc

orderByAsc, orderByAsc, orderByDesc, orderByDesc, orderBySql

从接口继承的方法 icu.mhb.mybatisplus.plugln.core.func.JoinCompareFun

between, eq, ge, gt, le, lt, ne, notBetween

从接口继承的方法 icu.mhb.mybatisplus.plugln.core.func.IfCompareFun

betweenIfNull, eqIfNull, geIfNull, gtIfNull, leIfNull, likeIfNull, likeLeftIfNull, likeRightIfNull, ltIfNull, neIfNull, notBetweenIfNull, notLikeIfNull, notLikeLeftIfNull, notLikeRightIfNull

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

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

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.interfaces.Join

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

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

字段详细资料

masterClass

private Class<T> masterClass

主表class

joinSqlSelect

private List<com.baomidou.mybatisplus.core.conditions.SharedString> joinSqlSelect

关联表的查询子段

joinConditionSql

private List<String> joinConditionSql

关联表条件SQL

sqlCacheFlag

private boolean sqlCacheFlag

判断SQL是否缓存过

sqlCache

private com.baomidou.mybatisplus.core.conditions.SharedString sqlCache

SQL缓存

sqlSelectFlag

private boolean sqlSelectFlag

查询字段是否缓存过

sqlSelectCahce

private com.baomidou.mybatisplus.core.conditions.SharedString sqlSelectCahce

查询字段缓存

构造器详细资料

JoinLambdaWrapper

public JoinLambdaWrapper(T entity,
                         String alias)

不建议直接 new 该实例，使用 Wrappers.lambdaQuery(entity)

JoinLambdaWrapper

public JoinLambdaWrapper(T entity)

JoinLambdaWrapper

public JoinLambdaWrapper(Class<T> entityClass,
                         String alias)

不建议直接 new 该实例，使用 Wrappers.lambdaQuery(entity)

JoinLambdaWrapper

public JoinLambdaWrapper(Class<T> entityClass)

JoinLambdaWrapper

JoinLambdaWrapper(T entity,
                  Class<T> entityClass,
                  List<com.baomidou.mybatisplus.core.conditions.SharedString> sqlSelect,
                  AtomicInteger paramNameSeq,
                  Map<String,Object> paramNameValuePairs,
                  com.baomidou.mybatisplus.core.conditions.segments.MergeSegments mergeSegments,
                  Map<Class<?>,String> aliasMap,
                  com.baomidou.mybatisplus.core.conditions.SharedString lastSql,
                  com.baomidou.mybatisplus.core.conditions.SharedString sqlComment,
                  com.baomidou.mybatisplus.core.conditions.SharedString sqlFirst)

JoinLambdaWrapper

public JoinLambdaWrapper(T entity,
                         Class<T> entityClass,
                         List<com.baomidou.mybatisplus.core.conditions.SharedString> sqlSelect,
                         AtomicInteger paramNameSeq,
                         Map<String,Object> paramNameValuePairs,
                         com.baomidou.mybatisplus.core.conditions.segments.MergeSegments mergeSegments,
                         com.baomidou.mybatisplus.core.conditions.SharedString lastSql,
                         com.baomidou.mybatisplus.core.conditions.SharedString sqlComment,
                         com.baomidou.mybatisplus.core.conditions.SharedString sqlFirst,
                         String masterTableAlias,
                         boolean notDefaultSelectAll,
                         boolean hasDistinct,
                         List<FieldMapping> fieldMappingList,
                         List<OneToOneSelectBuild> oneToOneSelectBuildList,
                         List<ManyToManySelectBuild> manyToManySelectBuildList,
                         List<com.baomidou.mybatisplus.core.conditions.SharedString> joinSql,
                         List<com.baomidou.mybatisplus.core.conditions.SharedString> joinSqlSelect,
                         List<String> joinConditionSql,
                         Map<Class<?>,String> aliasMap,
                         boolean sqlCacheFlag,
                         com.baomidou.mybatisplus.core.conditions.SharedString sqlCache,
                         boolean sqlSelectFlag,
                         com.baomidou.mybatisplus.core.conditions.SharedString sqlSelectCache)

全参数公共构造函数 - 用于状态复制

方法详细资料

select

@SafeVarargs
public final JoinLambdaWrapper<T> select(com.baomidou.mybatisplus.core.toolkit.support.SFunction<T,?>... columns)

SELECT 部分 SQL 设置

指定者:

select 在接口中 com.baomidou.mybatisplus.core.conditions.query.Query<JoinLambdaWrapper<T>,T,com.baomidou.mybatisplus.core.toolkit.support.SFunction<T,?>>

参数:

columns - 查询字段

select

public JoinLambdaWrapper<T> select(boolean condition,
                                   List<com.baomidou.mybatisplus.core.toolkit.support.SFunction<T,?>> columns)

select

public JoinLambdaWrapper<T> select(Class<T> entityClass,
                                   java.util.function.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(TableFieldInfoExt::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<JoinLambdaWrapper<T>,T,com.baomidou.mybatisplus.core.toolkit.support.SFunction<T,?>>

参数:

predicate - 过滤方式

返回:

this

getSqlSelectList

public List<com.baomidou.mybatisplus.core.conditions.SharedString> getSqlSelectList()

getSqlSelect

public String getSqlSelect()

指定者:

getSqlSelect 在接口中 com.baomidou.mybatisplus.core.conditions.query.Query<JoinLambdaWrapper<T>,T,com.baomidou.mybatisplus.core.toolkit.support.SFunction<T,?>>

覆盖:

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

notDefaultSelectAll

public JoinLambdaWrapper<T> notDefaultSelectAll()

在没有指定查询主表字段的情况下，不进行查询字段

instance

protected JoinLambdaWrapper<T> instance()

用于生成嵌套 sql

故 sqlSelect 不向下传递

指定者:

instance 在类中 com.baomidou.mybatisplus.core.conditions.AbstractWrapper<T,com.baomidou.mybatisplus.core.toolkit.support.SFunction<T,?>,JoinLambdaWrapper<T>>

clear

public void clear()

覆盖:

clear 在类中 com.baomidou.mybatisplus.core.conditions.AbstractWrapper<T,com.baomidou.mybatisplus.core.toolkit.support.SFunction<T,?>,JoinLambdaWrapper<T>>

getSqlSegment

public String getSqlSegment()

条件SQL

指定者:

getSqlSegment 在接口中 com.baomidou.mybatisplus.core.conditions.ISqlSegment

覆盖:

getSqlSegment 在类中 com.baomidou.mybatisplus.core.conditions.AbstractWrapper<T,com.baomidou.mybatisplus.core.toolkit.support.SFunction<T,?>,JoinLambdaWrapper<T>>

返回:

join

public <J> JoinWrapper<J,T> join(Class<J> clz,
                                 String alias,
                                 boolean logicDelete)

从接口复制的说明: JoinMethodFunc

进行join操作

指定者:

join 在接口中 JoinMethodFunc<T>

类型参数:

J - 泛型

参数:

clz - 外联表class

alias - 别名

logicDelete - 是否查询进行逻辑删除

返回:

JoinWrapper join条件

setJoinConditionSql

void setJoinConditionSql(List<com.baomidou.mybatisplus.core.conditions.SharedString> sunQueryList,
                         List<com.baomidou.mybatisplus.core.conditions.SharedString> joinSql,
                         String sql,
                         String key,
                         Map<String,Object> joinParamNameValuePairs)

存入外联表 join 查询条件

setJoinSql

void setJoinSql(List<com.baomidou.mybatisplus.core.conditions.SharedString> sql)

存入外联表join SQL

参数:

sql - SQL

setOrderBy

void setOrderBy(com.baomidou.mybatisplus.core.conditions.segments.OrderBySegmentList orderBy)

存入排序

参数:

orderBy - 排序列表

setGroupBy

void setGroupBy(com.baomidou.mybatisplus.core.conditions.segments.GroupBySegmentList groupBy)

存入分组数据

参数:

groupBy - 分组列表

setHaving

void setHaving(List<HavingBuild> havingBuildList)

存入having数据

参数:

havingBuildList - having 构建列表

setJoinSelect

void setJoinSelect(List<com.baomidou.mybatisplus.core.conditions.SharedString> select)

存入外联表查询子段

参数:

select - 查询字段

setAliasMap

void setAliasMap(Map<Class<?>,String> aliasCacheMap)

setLastSql

void setLastSql(com.baomidou.mybatisplus.core.conditions.SharedString last)

存入最后一位的SQL 只能存在一个

参数:

last - 外联表传入last数据

setFieldMappingList

protected void setFieldMappingList(List<FieldMapping> fieldMappingList)

setOderByBuildList

void setOderByBuildList(List<OrderByBuild> orderByBuildList)

setSunQueryList

void setSunQueryList(List<com.baomidou.mybatisplus.core.conditions.SharedString> sunQueryList)

setOneToOneSelect

void setOneToOneSelect(OneToOneSelectBuild oneToOneSelect)

setManyToManySelect

void setManyToManySelect(ManyToManySelectBuild manyToManySelect)

getCustomSqlSegment

public String getCustomSqlSegment()

覆盖:

getCustomSqlSegment 在类中 com.baomidou.mybatisplus.core.conditions.Wrapper<T>

initNeed

protected void initNeed()

覆盖:

initNeed 在类中 SupportJoinLambdaWrapper<T,JoinLambdaWrapper<T>>

toStr

public JoinStrQueryWrapper<T> toStr()

转换为String类型的Join构造器 原模原样复制所有状态

返回:

JoinStrQueryWrapper实例