icu.mhb.mybatisplus.plugln.core.support

类 SupportJoinLambdaWrapper<T,Children extends SupportJoinLambdaWrapper<T,Children>>

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,Children>

所有已实现的接口:

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

直接已知子类:

JoinLambdaWrapper, JoinWrapper

public abstract class SupportJoinLambdaWrapper<T,Children extends SupportJoinLambdaWrapper<T,Children>>
extends SupportJoinWrapper<T,com.baomidou.mybatisplus.core.toolkit.support.SFunction<T,?>,Children>
implements JoinOrderFunc<Children,com.baomidou.mybatisplus.core.toolkit.support.SFunction<T,?>>, JoinCompareFun<Children,T>

Join lambda解析 重写于mybatis plus 中的LambdaQueryWrapper

作者:

mahuibo

另请参阅:

LambdaQueryWrapper, 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
protected Map<Class<?>,String>	aliasMap
private Map<Class<?>,Map<String,com.baomidou.mybatisplus.core.toolkit.support.ColumnCache>>	columnMap
private boolean	initColumnMap
protected List<OrderByBuild>	orderByBuildList 排序构建列表
protected List<com.baomidou.mybatisplus.core.conditions.SharedString>	sunQueryList 子查询列表
AtomicInteger	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
SupportJoinLambdaWrapper()

方法概要

限定符和类型	方法和说明
protected <J> Children	addCondition(boolean condition, com.baomidou.mybatisplus.core.toolkit.support.SFunction<T,Object> column, com.baomidou.mybatisplus.core.enums.SqlKeyword sqlKeyword, com.baomidou.mybatisplus.core.toolkit.support.SFunction<J,Object> val) 普通查询条件
private String	appendAliasIfNeeded(String column, String alias) 如果需要，添加别名
<J,J2> Children	between(boolean condition, com.baomidou.mybatisplus.core.toolkit.support.SFunction<T,Object> column, com.baomidou.mybatisplus.core.toolkit.support.SFunction<J,Object> val1, com.baomidou.mybatisplus.core.toolkit.support.SFunction<J2,Object> val2) BETWEEN 值1 AND 值2
Children	changeQueryWrapper(com.baomidou.mybatisplus.core.conditions.AbstractWrapper queryWrapper) 转换查询Wrapper 会把 查询条件，group，order by，having转换来 注意该方法无法给 多个入参添加别名，例如 orderByDesc("id","id2") 这种别名就会添加错误
protected List<String>	columnsToString(boolean onlyColumn, boolean saveType, List<com.baomidou.mybatisplus.core.toolkit.support.SFunction<T,?>> columns)
protected List<String>	columnsToString(boolean onlyColumn, boolean saveType, com.baomidou.mybatisplus.core.toolkit.support.SFunction<T,?>... columns)
protected String	columnsToString(boolean onlyColumn, com.baomidou.mybatisplus.core.toolkit.support.SFunction<T,?>... columns)
protected String	columnsToString(com.baomidou.mybatisplus.core.toolkit.support.SFunction<T,?>... columns)
protected String	columnToString(com.baomidou.mybatisplus.core.toolkit.support.SFunction<?,?> column, boolean onlyColumn, boolean saveType)
protected String	columnToString(com.baomidou.mybatisplus.core.toolkit.support.SFunction<T,?> column)
protected String	columnToStringNoAlias(com.baomidou.mybatisplus.core.toolkit.support.SFunction<T,?> column, boolean saveType)
<J> Children	eq(boolean condition, com.baomidou.mybatisplus.core.toolkit.support.SFunction<T,Object> column, com.baomidou.mybatisplus.core.toolkit.support.SFunction<J,Object> val) 等于 =
<J> Children	ge(boolean condition, com.baomidou.mybatisplus.core.toolkit.support.SFunction<T,Object> column, com.baomidou.mybatisplus.core.toolkit.support.SFunction<J,Object> val) 大于等于 >=
protected String	getAlias()
protected String	getAlias(Class<?> clz) 获取类别名
protected String	getAliasAndField(Class<?> fieldClass, String fieldName)
protected String	getAliasAndField(String fieldName) 获取 增加别名后的字段
protected String	getColumn(com.baomidou.mybatisplus.core.toolkit.support.LambdaMeta lambda, boolean onlyColumn, boolean saveField) 获取 SerializedLambda 对应的列信息，从 lambda 表达式中推测实体类 如果获取不到列信息，那么本次条件组装将会失败
private Map<String,com.baomidou.mybatisplus.core.toolkit.support.ColumnCache>	getColumnMap(Class<?> entityClass) 获取列映射
com.baomidou.mybatisplus.core.toolkit.support.SFunction<T,?>	getConditionR(Class<?> entityClass, Field field) 只为避开类型检查
protected Class<?>	getEntityOrMasterClass() 获取实体并关联的
protected List<String>	getSelectColumn(List<As<T>> columns) 获取查询列
protected Class<?>	getTableClass(Class<?> clz) 获取表对应的class 主要用于 vo dto这种对应实体
<J> Children	gt(boolean condition, com.baomidou.mybatisplus.core.toolkit.support.SFunction<T,Object> column, com.baomidou.mybatisplus.core.toolkit.support.SFunction<J,Object> val) 大于 >
private void	initColumnMapIfNeeded(Class<?> entityClass) 初始化列映射缓存
protected void	initNeed()
<J> Children	le(boolean condition, com.baomidou.mybatisplus.core.toolkit.support.SFunction<T,Object> column, com.baomidou.mybatisplus.core.toolkit.support.SFunction<J,Object> val) 小于等于 <=
<J> Children	lt(boolean condition, com.baomidou.mybatisplus.core.toolkit.support.SFunction<T,Object> column, com.baomidou.mybatisplus.core.toolkit.support.SFunction<J,Object> val) 小于 <
<J> Children	ne(boolean condition, com.baomidou.mybatisplus.core.toolkit.support.SFunction<T,Object> column, com.baomidou.mybatisplus.core.toolkit.support.SFunction<J,Object> val) 不等于 <>
<J,J2> Children	notBetween(boolean condition, com.baomidou.mybatisplus.core.toolkit.support.SFunction<T,Object> column, com.baomidou.mybatisplus.core.toolkit.support.SFunction<J,Object> val1, com.baomidou.mybatisplus.core.toolkit.support.SFunction<J2,Object> val2) NOT BETWEEN 值1 AND 值2
Children	orderBy(boolean condition, boolean isAsc, com.baomidou.mybatisplus.core.toolkit.support.SFunction<T,?> column, int index) 根据index下标进行排列排序顺序
Children	orderBySql(boolean condition, String sql, int index) 手写排序SQL
private String	processColumnAs(As<T> as) 处理单个查询字段和别名
private String	processColumnWithLambda(As<T> as) 处理带Lambda表达式的列
private String	processColumnWithoutLambda(As<T> as) 处理不带Lambda表达式的列
Children	selectAll() 获取当前类的所有查询字段
Children	selectAll(Collection<com.baomidou.mybatisplus.core.toolkit.support.SFunction<T,?>> excludeColumn) 获取当前类所有查询字段 并增加排除
Children	selectAs(java.util.function.Consumer<ColumnsBuilder<T>> consumer) 使用匿名函数方式更方便
protected Children	selectAs(List<String> columns) 查询并设置别名
<J> Children	selectAs(com.baomidou.mybatisplus.core.toolkit.support.SFunction<T,?> column, com.baomidou.mybatisplus.core.toolkit.support.SFunction<J,?> alias)
Children	selectAs(com.baomidou.mybatisplus.core.toolkit.support.SFunction<T,?> column, String alias)
<J> Children	selectSunQuery(boolean condition, Class<J> clz, java.util.function.Consumer<JoinLambdaWrapper<J>> wrapper)
<J> Children	selectSunQuery(Class<J> clz, java.util.function.Consumer<JoinLambdaWrapper<J>> wrapper)
protected Children	setAlias(String alias) 存入自定义别名

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, clear, clone, columnSqlInjectFilter, columnsToString, columnToSqlSegment, 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, inSql, instance, 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, getSqlSelect, 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 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

tableIndex

public AtomicInteger tableIndex

sunQueryList

protected List<com.baomidou.mybatisplus.core.conditions.SharedString> sunQueryList

子查询列表

orderByBuildList

protected List<OrderByBuild> orderByBuildList

排序构建列表

aliasMap

protected Map<Class<?>,String> aliasMap

columnMap

private Map<Class<?>,Map<String,com.baomidou.mybatisplus.core.toolkit.support.ColumnCache>> columnMap

initColumnMap

private boolean initColumnMap

构造器详细资料

SupportJoinLambdaWrapper

public SupportJoinLambdaWrapper()

方法详细资料

columnsToString

protected String columnsToString(com.baomidou.mybatisplus.core.toolkit.support.SFunction<T,?>... columns)

覆盖:

columnsToString 在类中 com.baomidou.mybatisplus.core.conditions.AbstractWrapper<T,com.baomidou.mybatisplus.core.toolkit.support.SFunction<T,?>,Children extends SupportJoinLambdaWrapper<T,Children>>

columnsToString

protected String columnsToString(boolean onlyColumn,
                                 com.baomidou.mybatisplus.core.toolkit.support.SFunction<T,?>... columns)

columnsToString

protected List<String> columnsToString(boolean onlyColumn,
                                       boolean saveType,
                                       com.baomidou.mybatisplus.core.toolkit.support.SFunction<T,?>... columns)

columnsToString

protected List<String> columnsToString(boolean onlyColumn,
                                       boolean saveType,
                                       List<com.baomidou.mybatisplus.core.toolkit.support.SFunction<T,?>> columns)

columnToString

protected String columnToString(com.baomidou.mybatisplus.core.toolkit.support.SFunction<T,?> column)

覆盖:

columnToString 在类中 com.baomidou.mybatisplus.core.conditions.AbstractWrapper<T,com.baomidou.mybatisplus.core.toolkit.support.SFunction<T,?>,Children extends SupportJoinLambdaWrapper<T,Children>>

columnToStringNoAlias

protected String columnToStringNoAlias(com.baomidou.mybatisplus.core.toolkit.support.SFunction<T,?> column,
                                       boolean saveType)

columnToString

protected String columnToString(com.baomidou.mybatisplus.core.toolkit.support.SFunction<?,?> column,
                                boolean onlyColumn,
                                boolean saveType)

getConditionR

public com.baomidou.mybatisplus.core.toolkit.support.SFunction<T,?> getConditionR(Class<?> entityClass,
                                                                                  Field field)

从类复制的说明: SupportJoinWrapper

只为避开类型检查

指定者:

getConditionR 在类中 SupportJoinWrapper<T,com.baomidou.mybatisplus.core.toolkit.support.SFunction<T,?>,Children extends SupportJoinLambdaWrapper<T,Children>>

selectAll

public Children selectAll()

获取当前类的所有查询字段

orderBy

public Children orderBy(boolean condition,
                        boolean isAsc,
                        com.baomidou.mybatisplus.core.toolkit.support.SFunction<T,?> column,
                        int index)

从接口复制的说明: JoinOrderFunc

根据index下标进行排列排序顺序

指定者:

orderBy 在接口中 JoinOrderFunc<Children extends SupportJoinLambdaWrapper<T,Children>,com.baomidou.mybatisplus.core.toolkit.support.SFunction<T,?>>

参数:

condition - 是否执行

isAsc - 是否正序

column - 列

index - 下标

返回:

Children

orderBySql

public Children orderBySql(boolean condition,
                           String sql,
                           int index)

从接口复制的说明: JoinOrderFunc

手写排序SQL

指定者:

orderBySql 在接口中 JoinOrderFunc<Children extends SupportJoinLambdaWrapper<T,Children>,com.baomidou.mybatisplus.core.toolkit.support.SFunction<T,?>>

参数:

condition - 是否执行

sql - SQL

返回:

Children

selectSunQuery

public <J> Children selectSunQuery(boolean condition,
                                   Class<J> clz,
                                   java.util.function.Consumer<JoinLambdaWrapper<J>> wrapper)

selectSunQuery

public <J> Children selectSunQuery(Class<J> clz,
                                   java.util.function.Consumer<JoinLambdaWrapper<J>> wrapper)

selectAll

public Children selectAll(Collection<com.baomidou.mybatisplus.core.toolkit.support.SFunction<T,?>> excludeColumn)

获取当前类所有查询字段 并增加排除

参数:

excludeColumn - 需要排除的字段

返回:

Children

setAlias

protected Children setAlias(String alias)

存入自定义别名

参数:

alias - 别名

返回:

Children

getAlias

protected String getAlias(Class<?> clz)

获取类别名

参数:

clz - 需要获取别名的类 如果传入为空 就获取当前类的

返回:

别名

eq

public <J> Children eq(boolean condition,
                       com.baomidou.mybatisplus.core.toolkit.support.SFunction<T,Object> column,
                       com.baomidou.mybatisplus.core.toolkit.support.SFunction<J,Object> val)

从接口复制的说明: JoinCompareFun

等于 =

指定者:

eq 在接口中 JoinCompareFun<Children extends SupportJoinLambdaWrapper<T,Children>,T>

参数:

condition - 执行条件

column - 字段

val - 值

返回:

children

ne

public <J> Children ne(boolean condition,
                       com.baomidou.mybatisplus.core.toolkit.support.SFunction<T,Object> column,
                       com.baomidou.mybatisplus.core.toolkit.support.SFunction<J,Object> val)

从接口复制的说明: JoinCompareFun

不等于 <>

指定者:

ne 在接口中 JoinCompareFun<Children extends SupportJoinLambdaWrapper<T,Children>,T>

参数:

condition - 执行条件

column - 字段

val - 值

返回:

children

gt

public <J> Children gt(boolean condition,
                       com.baomidou.mybatisplus.core.toolkit.support.SFunction<T,Object> column,
                       com.baomidou.mybatisplus.core.toolkit.support.SFunction<J,Object> val)

从接口复制的说明: JoinCompareFun

大于 >

指定者:

gt 在接口中 JoinCompareFun<Children extends SupportJoinLambdaWrapper<T,Children>,T>

参数:

condition - 执行条件

column - 字段

val - 值

返回:

children

ge

public <J> Children ge(boolean condition,
                       com.baomidou.mybatisplus.core.toolkit.support.SFunction<T,Object> column,
                       com.baomidou.mybatisplus.core.toolkit.support.SFunction<J,Object> val)

从接口复制的说明: JoinCompareFun

大于等于 >=

指定者:

ge 在接口中 JoinCompareFun<Children extends SupportJoinLambdaWrapper<T,Children>,T>

参数:

condition - 执行条件

column - 字段

val - 值

返回:

children

lt

public <J> Children lt(boolean condition,
                       com.baomidou.mybatisplus.core.toolkit.support.SFunction<T,Object> column,
                       com.baomidou.mybatisplus.core.toolkit.support.SFunction<J,Object> val)

从接口复制的说明: JoinCompareFun

小于 <

指定者:

lt 在接口中 JoinCompareFun<Children extends SupportJoinLambdaWrapper<T,Children>,T>

参数:

condition - 执行条件

column - 字段

val - 值

返回:

children

le

public <J> Children le(boolean condition,
                       com.baomidou.mybatisplus.core.toolkit.support.SFunction<T,Object> column,
                       com.baomidou.mybatisplus.core.toolkit.support.SFunction<J,Object> val)

从接口复制的说明: JoinCompareFun

小于等于 <=

指定者:

le 在接口中 JoinCompareFun<Children extends SupportJoinLambdaWrapper<T,Children>,T>

参数:

condition - 执行条件

column - 字段

val - 值

返回:

children

between

public <J,J2> Children between(boolean condition,
                               com.baomidou.mybatisplus.core.toolkit.support.SFunction<T,Object> column,
                               com.baomidou.mybatisplus.core.toolkit.support.SFunction<J,Object> val1,
                               com.baomidou.mybatisplus.core.toolkit.support.SFunction<J2,Object> val2)

从接口复制的说明: JoinCompareFun

BETWEEN 值1 AND 值2

指定者:

between 在接口中 JoinCompareFun<Children extends SupportJoinLambdaWrapper<T,Children>,T>

参数:

condition - 执行条件

column - 字段

val1 - 值1

val2 - 值2

返回:

children

notBetween

public <J,J2> Children notBetween(boolean condition,
                                  com.baomidou.mybatisplus.core.toolkit.support.SFunction<T,Object> column,
                                  com.baomidou.mybatisplus.core.toolkit.support.SFunction<J,Object> val1,
                                  com.baomidou.mybatisplus.core.toolkit.support.SFunction<J2,Object> val2)

从接口复制的说明: JoinCompareFun

NOT BETWEEN 值1 AND 值2

指定者:

notBetween 在接口中 JoinCompareFun<Children extends SupportJoinLambdaWrapper<T,Children>,T>

参数:

condition - 执行条件

column - 字段

val1 - 值1

val2 - 值2

返回:

children

changeQueryWrapper

public Children changeQueryWrapper(com.baomidou.mybatisplus.core.conditions.AbstractWrapper queryWrapper)

转换查询Wrapper 会把 查询条件，group，order by，having转换来 注意该方法无法给 多个入参添加别名，例如 orderByDesc("id","id2") 这种别名就会添加错误

参数:

queryWrapper -

返回:

addCondition

protected <J> Children addCondition(boolean condition,
                                    com.baomidou.mybatisplus.core.toolkit.support.SFunction<T,Object> column,
                                    com.baomidou.mybatisplus.core.enums.SqlKeyword sqlKeyword,
                                    com.baomidou.mybatisplus.core.toolkit.support.SFunction<J,Object> val)

普通查询条件

参数:

condition - 是否执行

column - 属性

sqlKeyword - SQL 关键词

val - 条件值

getAlias

protected String getAlias()

getAliasAndField

protected String getAliasAndField(String fieldName)

获取 增加别名后的字段

参数:

fieldName - 字段

返回:

别名 + 字段

getAliasAndField

protected String getAliasAndField(Class<?> fieldClass,
                                  String fieldName)

selectAs

public Children selectAs(java.util.function.Consumer<ColumnsBuilder<T>> consumer)

使用匿名函数方式更方便

参数:

consumer - 消费函数

返回:

Children

selectAs

protected Children selectAs(List<String> columns)

查询并设置别名

参数:

columns - 列

返回:

子

selectAs

public Children selectAs(com.baomidou.mybatisplus.core.toolkit.support.SFunction<T,?> column,
                         String alias)

selectAs

public <J> Children selectAs(com.baomidou.mybatisplus.core.toolkit.support.SFunction<T,?> column,
                             com.baomidou.mybatisplus.core.toolkit.support.SFunction<J,?> alias)

getSelectColumn

protected List<String> getSelectColumn(List<As<T>> columns)

获取查询列

参数:

columns - 列集合

返回:

List

processColumnAs

private String processColumnAs(As<T> as)

处理单个查询字段和别名

processColumnWithLambda

private String processColumnWithLambda(As<T> as)

处理带Lambda表达式的列

processColumnWithoutLambda

private String processColumnWithoutLambda(As<T> as)

处理不带Lambda表达式的列

appendAliasIfNeeded

private String appendAliasIfNeeded(String column,
                                   String alias)

如果需要，添加别名

getColumn

protected String getColumn(com.baomidou.mybatisplus.core.toolkit.support.LambdaMeta lambda,
                           boolean onlyColumn,
                           boolean saveField)

获取 SerializedLambda 对应的列信息，从 lambda 表达式中推测实体类

如果获取不到列信息，那么本次条件组装将会失败

参数:

lambda - lambda 表达式

onlyColumn - 如果是，结果: "name", 如果否： "name" as "name"

saveField - 是否保存到字段列表

返回:

列

抛出:

com.baomidou.mybatisplus.core.exceptions.MybatisPlusException - 获取不到列信息时抛出异常

另请参阅:

SerializedLambda.getImplMethodName()

initColumnMapIfNeeded

private void initColumnMapIfNeeded(Class<?> entityClass)

初始化列映射缓存

getColumnMap

private Map<String,com.baomidou.mybatisplus.core.toolkit.support.ColumnCache> getColumnMap(Class<?> entityClass)

获取列映射

getTableClass

protected Class<?> getTableClass(Class<?> clz)

获取表对应的class 主要用于 vo dto这种对应实体

覆盖:

getTableClass 在类中 SupportJoinWrapper<T,com.baomidou.mybatisplus.core.toolkit.support.SFunction<T,?>,Children extends SupportJoinLambdaWrapper<T,Children>>

参数:

clz - 类

返回:

对应后的类

getEntityOrMasterClass

protected Class<?> getEntityOrMasterClass()

获取实体并关联的

覆盖:

getEntityOrMasterClass 在类中 SupportJoinWrapper<T,com.baomidou.mybatisplus.core.toolkit.support.SFunction<T,?>,Children extends SupportJoinLambdaWrapper<T,Children>>

返回:

Class

initNeed

protected void initNeed()

覆盖:

initNeed 在类中 SupportJoinWrapper<T,com.baomidou.mybatisplus.core.toolkit.support.SFunction<T,?>,Children extends SupportJoinLambdaWrapper<T,Children>>