icu.mhb.mybatisplus.plugln.core.str

类 JoinStrQueryWrapper<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,String,Children>

icu.mhb.mybatisplus.plugln.core.str.support.SupportJoinStrQueryWrapper<T,Children>

icu.mhb.mybatisplus.plugln.core.str.base.AbstractJoinStrWrapper<T,JoinStrQueryWrapper<T>>

icu.mhb.mybatisplus.plugln.core.str.JoinStrQueryWrapper<T>

所有已实现的接口:

com.baomidou.mybatisplus.core.conditions.interfaces.Compare<JoinStrQueryWrapper<T>,String>, com.baomidou.mybatisplus.core.conditions.interfaces.Func<JoinStrQueryWrapper<T>,String>, com.baomidou.mybatisplus.core.conditions.interfaces.Join<JoinStrQueryWrapper<T>>, com.baomidou.mybatisplus.core.conditions.interfaces.Nested<JoinStrQueryWrapper<T>,JoinStrQueryWrapper<T>>, com.baomidou.mybatisplus.core.conditions.ISqlSegment, com.baomidou.mybatisplus.core.conditions.query.Query<JoinStrQueryWrapper<T>,T,String>, IfCompareFun<JoinStrQueryWrapper<T>,String>, JoinQueryFunc<T,String,JoinStrQueryWrapper<T>>, JoinStrCompareFunc<JoinStrQueryWrapper<T>>, JoinStrFunc<JoinStrQueryWrapper<T>>, JoinStrMethodFunc<T,JoinStrQueryWrapper<T>>, JoinStrQueryFunc<T,String,JoinStrQueryWrapper<T>>, Serializable

public class JoinStrQueryWrapper<T>
extends AbstractJoinStrWrapper<T,JoinStrQueryWrapper<T>>
implements JoinStrQueryFunc<T,String,JoinStrQueryWrapper<T>>, JoinQueryFunc<T,String,JoinStrQueryWrapper<T>>

String类型的Join构造器

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 icu.mhb.mybatisplus.plugln.core.str.base.AbstractJoinStrWrapper

AbstractJoinStrWrapper.QuadFunction<T,U,V,W,R>, AbstractJoinStrWrapper.TriFunction<T,U,V,R>

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 关联表的查询字段
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	sqlSelectCache 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.str.support.SupportJoinStrQueryWrapper

alias2table, joinSqlMapping

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
JoinStrQueryWrapper(Class<T> entityClass) 构造函数
JoinStrQueryWrapper(Class<T> entityClass, String alias) 构造函数
JoinStrQueryWrapper(T entity) 构造函数
JoinStrQueryWrapper(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) 内部构造函数
JoinStrQueryWrapper(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, Map<String,com.baomidou.mybatisplus.core.conditions.SharedString> joinSqlMapping, Map<String,String> alias2table, boolean sqlCacheFlag, com.baomidou.mybatisplus.core.conditions.SharedString sqlCache, boolean sqlSelectFlag, com.baomidou.mybatisplus.core.conditions.SharedString sqlSelectCache, List<com.baomidou.mybatisplus.core.conditions.SharedString> joinSqlSelect, List<String> joinConditionSql) 全参数公共构造函数 - 用于状态复制
JoinStrQueryWrapper(T entity, String alias) 构造函数

方法概要

限定符和类型	方法和说明
JoinStrQueryWrapper<T>	alias(String alias)
private JoinStrQueryWrapper<T>	createManyToManySelect(String fieldName, String tableNameOrAlias, Class<?> manyToManyClass) 创建多对多查询构建对象的通用方法
private JoinStrQueryWrapper<T>	createOneToOneSelect(String fieldName, String tableNameOrAlias, Class<?> oneToOneClass) 创建一对一查询构建对象的通用方法
private <P> String	extractFieldNameFromLambda(com.baomidou.mybatisplus.core.toolkit.support.SFunction<P,?> column) 从Lambda表达式中提取字段名
private <P> Class<?>	extractFieldTypeFromLambda(com.baomidou.mybatisplus.core.toolkit.support.SFunction<P,?> column, String fieldName) 从Lambda表达式中提取字段类型
private <P> Class<?>	extractGenericTypeFromLambda(com.baomidou.mybatisplus.core.toolkit.support.SFunction<P,?> column, String fieldName) 从Lambda表达式中提取泛型类型
Map<String,String>	getAlias2table()
com.baomidou.mybatisplus.core.conditions.segments.MergeSegments	getExpression()
List<FieldMapping>	getFieldMappingList()
List<String>	getJoinConditionSql()
String	getJoinSql() 获取join SQL语句
Map<String,com.baomidou.mybatisplus.core.conditions.SharedString>	getJoinSqlMapping()
List<com.baomidou.mybatisplus.core.conditions.SharedString>	getJoinSqlSelect()
com.baomidou.mybatisplus.core.conditions.SharedString	getLastSql()
List<ManyToManySelectBuild>	getManyToManySelectBuildList()
String	getMasterTableAlias()
List<OneToOneSelectBuild>	getOneToOneSelectBuildList()
AtomicInteger	getParamNameSeq()
com.baomidou.mybatisplus.core.conditions.SharedString	getSqlCache()
String	getSqlSegment()
String	getSqlSelect() 获取SELECT SQL
com.baomidou.mybatisplus.core.conditions.SharedString	getSqlSelectCache()
List<com.baomidou.mybatisplus.core.conditions.SharedString>	getSqlSelectList()
private void	initializeWrapper(String alias, Class<T> entityClass) 初始化包装器的通用逻辑
protected JoinStrQueryWrapper<T>	instance()
boolean	isHasDistinct()
boolean	isNotDefaultSelectAll()
boolean	isSqlCacheFlag()
boolean	isSqlSelectFlag()
JoinStrQueryWrapper<T>	join(String joinTable, String joinTableField, String masterTableField, String alias, SqlExcerpt joinType, java.util.function.Consumer<JoinStrQueryWrapper<T>> consumer, boolean isLogicDelete) 通用JOIN方法 带表名、别名和回调函数
JoinStrQueryWrapper<T>	joinAnd(String alias, java.util.function.Consumer<JoinStrQueryWrapper<T>> consumer) JOIN AND 条件
<P> JoinStrQueryWrapper<T>	manyToManySelect(com.baomidou.mybatisplus.core.toolkit.support.SFunction<P,?> column, String tableNameOrAlias) 多对多查询 - 使用Lambda表达式和表名/别名
JoinStrQueryWrapper<T>	manyToManySelect(String fieldName, String tableAlias) 多对多查询 - 使用字符串字段名和表名/别名
JoinStrQueryWrapper<T>	manyToManySelect(String fieldName, String alias, String... columns) 多对多查询 - 使用字符串字段名、表名/别名和指定字段
<P> JoinStrQueryWrapper<T>	oneToOneSelect(com.baomidou.mybatisplus.core.toolkit.support.SFunction<P,?> column, String tableNameOrAlias) 一对一查询 - 使用Lambda表达式和表名/别名
JoinStrQueryWrapper<T>	oneToOneSelect(String fieldName, String tableNameOrAlias) 一对一查询 - 使用字符串字段名和表名/别名
JoinStrQueryWrapper<T>	oneToOneSelect(String fieldName, String tableNameOrAlias, String... columns) 一对一查询 - 使用字符串字段名、表名/别名和指定字段
JoinStrQueryWrapper<T>	orderBySql(String orderBySql)
JoinStrQueryWrapper<T>	select(boolean condition, List<String> columns)
JoinStrQueryWrapper<T>	select(Class<T> entityClass, java.util.function.Predicate<com.baomidou.mybatisplus.core.metadata.TableFieldInfo> predicate)
JoinStrQueryWrapper<T>	select(java.util.function.Predicate<com.baomidou.mybatisplus.core.metadata.TableFieldInfo> predicate)
JoinStrQueryWrapper<T>	select(String... columns)
JoinStrQueryWrapper<T>	selectAs(String column, String alias)
JoinStrQueryWrapper<T>	selectSub(String selectSql, String alias)
JoinStrQueryWrapper<T>	selectWithAlias(String alias, String... columns) 带别名前缀的查询字段 如果字段名不包含点号，则自动添加别名前缀
JoinLambdaWrapper<T>	toLambda() 转换为Lambda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.str.base.AbstractJoinStrWrapper

between, doCollectionCondition, doCondition, doCondition, doOrderBy, doSingleColumnCondition, eq, ge, groupBy, gt, in, isNotNull, isNull, le, like, likeLeft, likeRight, lt, ne, notBetween, notIn, notLike, orderByAsc, orderByDesc, processColumn

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

addSelectByFieldMappings, buildFieldMappingList, buildFieldMappingList, buildJoinSql, buildJoinSql, changeQueryWrapper, checkAndHandleColumn, columnToString, distinct, getAlias, getAliasAndField, getConditionR, getTableFieldInfoByColumn, getTableFieldInfoByColumn, getTableFieldInfoByFieldName, handleColumnPrefix, handleSelectPrefix, initNeed, joinAnd, joinAnd, notDefaultSelectAll, orderBySql, selectAll, setAlias, setFieldMappingList, setFieldMappingList

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

addObjConditions, addObjConditions, executeQuery, getEntityOrMasterClass, getFuncKeyWord, getTableClass, getTableFieldInfoByFieldName, masterLogicDelete, readWrapperInfo, setFuncKeyWord

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

addCondition, addNestedCondition, allEq, allEq, and, and, appendSqlSegments, apply, clear, clone, columnSqlInjectFilter, columnsToString, columnsToString, columnToSqlSegment, comment, exists, first, formatParam, formatSqlMaybeWithParam, func, geSql, getEntity, getEntityClass, getParamAlias, getParamNameValuePairs, getSqlComment, getSqlFirst, groupBy, groupBy, gtSql, having, in, inExpression, inExpression, inSql, isUseAnnotationOrderBy, last, leSql, likeValue, ltSql, maybeDo, nested, not, not, notExists, notIn, notInSql, 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, 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.JoinQueryFunc

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

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

innerJoin, innerJoin, innerJoin, innerJoin, leftJoin, leftJoin, leftJoin, leftJoin, rightJoin, rightJoin, rightJoin, rightJoin

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, eq, ge, gt, le, like, likeLeft, likeRight, lt, ne, notBetween, 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, orderByDesc, orderByDesc, orderByDesc, orderByDesc, orderByDesc

字段详细资料

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

sqlSelectCache

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

查询字段缓存

joinSqlSelect

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

关联表的查询字段

joinConditionSql

private List<String> joinConditionSql

关联表条件SQL

构造器详细资料

JoinStrQueryWrapper

public JoinStrQueryWrapper(Class<T> entityClass)

构造函数

JoinStrQueryWrapper

public JoinStrQueryWrapper(T entity)

构造函数

JoinStrQueryWrapper

public JoinStrQueryWrapper(T entity,
                           String alias)

构造函数

参数:

entity - 实体

alias - 别名

JoinStrQueryWrapper

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

构造函数

参数:

entityClass - 实体类

alias - 别名

JoinStrQueryWrapper

JoinStrQueryWrapper(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)

内部构造函数

JoinStrQueryWrapper

public JoinStrQueryWrapper(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,
                           Map<String,com.baomidou.mybatisplus.core.conditions.SharedString> joinSqlMapping,
                           Map<String,String> alias2table,
                           boolean sqlCacheFlag,
                           com.baomidou.mybatisplus.core.conditions.SharedString sqlCache,
                           boolean sqlSelectFlag,
                           com.baomidou.mybatisplus.core.conditions.SharedString sqlSelectCache,
                           List<com.baomidou.mybatisplus.core.conditions.SharedString> joinSqlSelect,
                           List<String> joinConditionSql)

全参数公共构造函数 - 用于状态复制

方法详细资料

getSqlSelect

public String getSqlSelect()

从接口复制的说明: JoinStrQueryFunc

获取SELECT SQL

指定者:

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

指定者:

getSqlSelect 在接口中 JoinStrQueryFunc<T,String,JoinStrQueryWrapper<T>>

覆盖:

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

返回:

SELECT SQL

instance

protected JoinStrQueryWrapper<T> instance()

指定者:

instance 在类中 com.baomidou.mybatisplus.core.conditions.AbstractWrapper<T,String,JoinStrQueryWrapper<T>>

initializeWrapper

private void initializeWrapper(String alias,
                               Class<T> entityClass)

初始化包装器的通用逻辑

参数:

alias - 别名

entityClass - 实体类

select

public JoinStrQueryWrapper<T> select(Class<T> entityClass,
                                     java.util.function.Predicate<com.baomidou.mybatisplus.core.metadata.TableFieldInfo> predicate)

指定者:

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

getJoinSql

public String getJoinSql()

从类复制的说明: SupportJoinWrapper

获取join SQL语句

指定者:

getJoinSql 在接口中 JoinStrQueryFunc<T,String,JoinStrQueryWrapper<T>>

覆盖:

getJoinSql 在类中 SupportJoinWrapper<T,String,JoinStrQueryWrapper<T>>

返回:

构建好的SQL

select

public JoinStrQueryWrapper<T> select(java.util.function.Predicate<com.baomidou.mybatisplus.core.metadata.TableFieldInfo> predicate)

指定者:

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

select

public JoinStrQueryWrapper<T> select(String... columns)

指定者:

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

select

public JoinStrQueryWrapper<T> select(boolean condition,
                                     List<String> columns)

selectWithAlias

public JoinStrQueryWrapper<T> selectWithAlias(String alias,
                                              String... columns)

带别名前缀的查询字段 如果字段名不包含点号，则自动添加别名前缀

参数:

alias - 表别名

columns - 字段列表

返回:

this

selectAs

public JoinStrQueryWrapper<T> selectAs(String column,
                                       String alias)

orderBySql

public JoinStrQueryWrapper<T> orderBySql(String orderBySql)

selectSub

public JoinStrQueryWrapper<T> selectSub(String selectSql,
                                        String alias)

alias

public JoinStrQueryWrapper<T> alias(String alias)

join

public JoinStrQueryWrapper<T> join(String joinTable,
                                   String joinTableField,
                                   String masterTableField,
                                   String alias,
                                   SqlExcerpt joinType,
                                   java.util.function.Consumer<JoinStrQueryWrapper<T>> consumer,
                                   boolean isLogicDelete)

从接口复制的说明: JoinStrMethodFunc

通用JOIN方法 带表名、别名和回调函数

指定者:

join 在接口中 JoinStrMethodFunc<T,JoinStrQueryWrapper<T>>

参数:

joinTable - 关联表名

joinTableField - 关联表字段

masterTableField - 主表关联字段

alias - 关联表别名

joinType - 连接类型

consumer - 回调函数

返回:

children

joinAnd

public JoinStrQueryWrapper<T> joinAnd(String alias,
                                      java.util.function.Consumer<JoinStrQueryWrapper<T>> consumer)

从接口复制的说明: JoinStrCompareFunc

JOIN AND 条件

指定者:

joinAnd 在接口中 JoinStrCompareFunc<JoinStrQueryWrapper<T>>

参数:

alias - 别名

consumer - 条件

返回:

children

manyToManySelect

public JoinStrQueryWrapper<T> manyToManySelect(String fieldName,
                                               String tableAlias)

从接口复制的说明: JoinStrQueryFunc

多对多查询 - 使用字符串字段名和表名/别名

指定者:

manyToManySelect 在接口中 JoinStrQueryFunc<T,String,JoinStrQueryWrapper<T>>

参数:

fieldName - 映射的Vo字段名

tableAlias - 表名或别名

返回:

Children

manyToManySelect

public <P> JoinStrQueryWrapper<T> manyToManySelect(com.baomidou.mybatisplus.core.toolkit.support.SFunction<P,?> column,
                                                   String tableNameOrAlias)

从接口复制的说明: JoinStrQueryFunc

多对多查询 - 使用Lambda表达式和表名/别名

指定者:

manyToManySelect 在接口中 JoinStrQueryFunc<T,String,JoinStrQueryWrapper<T>>

参数:

column - Lambda表达式字段

tableNameOrAlias - 表名或别名

返回:

Children

manyToManySelect

public JoinStrQueryWrapper<T> manyToManySelect(String fieldName,
                                               String alias,
                                               String... columns)

从接口复制的说明: JoinStrQueryFunc

多对多查询 - 使用字符串字段名、表名/别名和指定字段

指定者:

manyToManySelect 在接口中 JoinStrQueryFunc<T,String,JoinStrQueryWrapper<T>>

参数:

fieldName - 映射的Vo字段名

alias - 表名或别名

columns - 要查询的字段名

返回:

Children

oneToOneSelect

public JoinStrQueryWrapper<T> oneToOneSelect(String fieldName,
                                             String tableNameOrAlias)

从接口复制的说明: JoinStrQueryFunc

一对一查询 - 使用字符串字段名和表名/别名

指定者:

oneToOneSelect 在接口中 JoinStrQueryFunc<T,String,JoinStrQueryWrapper<T>>

参数:

fieldName - 映射的Vo字段名

tableNameOrAlias - 表名或别名

返回:

Children

oneToOneSelect

public <P> JoinStrQueryWrapper<T> oneToOneSelect(com.baomidou.mybatisplus.core.toolkit.support.SFunction<P,?> column,
                                                 String tableNameOrAlias)

从接口复制的说明: JoinStrQueryFunc

一对一查询 - 使用Lambda表达式和表名/别名

指定者:

oneToOneSelect 在接口中 JoinStrQueryFunc<T,String,JoinStrQueryWrapper<T>>

参数:

column - Lambda表达式字段

tableNameOrAlias - 表名或别名

返回:

Children

oneToOneSelect

public JoinStrQueryWrapper<T> oneToOneSelect(String fieldName,
                                             String tableNameOrAlias,
                                             String... columns)

从接口复制的说明: JoinStrQueryFunc

一对一查询 - 使用字符串字段名、表名/别名和指定字段

指定者:

oneToOneSelect 在接口中 JoinStrQueryFunc<T,String,JoinStrQueryWrapper<T>>

参数:

fieldName - 映射的Vo字段名

tableNameOrAlias - 表名或别名

columns - 要查询的字段名

返回:

Children

getMasterTableAlias

public String getMasterTableAlias()

isNotDefaultSelectAll

public boolean isNotDefaultSelectAll()

isHasDistinct

public boolean isHasDistinct()

getFieldMappingList

public List<FieldMapping> getFieldMappingList()

getOneToOneSelectBuildList

public List<OneToOneSelectBuild> getOneToOneSelectBuildList()

getManyToManySelectBuildList

public List<ManyToManySelectBuild> getManyToManySelectBuildList()

getJoinSqlMapping

public Map<String,com.baomidou.mybatisplus.core.conditions.SharedString> getJoinSqlMapping()

getAlias2table

public Map<String,String> getAlias2table()

isSqlCacheFlag

public boolean isSqlCacheFlag()

getSqlCache

public com.baomidou.mybatisplus.core.conditions.SharedString getSqlCache()

isSqlSelectFlag

public boolean isSqlSelectFlag()

getSqlSelectCache

public com.baomidou.mybatisplus.core.conditions.SharedString getSqlSelectCache()

getSqlSelectList

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

getParamNameSeq

public AtomicInteger getParamNameSeq()

getExpression

public com.baomidou.mybatisplus.core.conditions.segments.MergeSegments getExpression()

覆盖:

getExpression 在类中 com.baomidou.mybatisplus.core.conditions.AbstractWrapper<T,String,JoinStrQueryWrapper<T>>

getLastSql

public com.baomidou.mybatisplus.core.conditions.SharedString getLastSql()

getJoinSqlSelect

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

getJoinConditionSql

public List<String> getJoinConditionSql()

toLambda

public JoinLambdaWrapper<T> toLambda()

转换为Lambda类型的Join构造器 原模原样复制所有状态

返回:

JoinLambdaWrapper实例

getSqlSegment

public String getSqlSegment()

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,String,JoinStrQueryWrapper<T>>

extractFieldNameFromLambda

private <P> String extractFieldNameFromLambda(com.baomidou.mybatisplus.core.toolkit.support.SFunction<P,?> column)

从Lambda表达式中提取字段名

extractGenericTypeFromLambda

private <P> Class<?> extractGenericTypeFromLambda(com.baomidou.mybatisplus.core.toolkit.support.SFunction<P,?> column,
                                                  String fieldName)

从Lambda表达式中提取泛型类型

extractFieldTypeFromLambda

private <P> Class<?> extractFieldTypeFromLambda(com.baomidou.mybatisplus.core.toolkit.support.SFunction<P,?> column,
                                                String fieldName)

从Lambda表达式中提取字段类型

createManyToManySelect

private JoinStrQueryWrapper<T> createManyToManySelect(String fieldName,
                                                      String tableNameOrAlias,
                                                      Class<?> manyToManyClass)

创建多对多查询构建对象的通用方法

createOneToOneSelect

private JoinStrQueryWrapper<T> createOneToOneSelect(String fieldName,
                                                    String tableNameOrAlias,
                                                    Class<?> oneToOneClass)

创建一对一查询构建对象的通用方法