Mybatis-plus enumtypehandler
I assume you can infer what MyBatis is doing. Note that the EnumTypeHandler is ignoring the second value returned from the query. Changing your query to. SELECT UPPER(ls.name) causes it to work: the Status.READY enum is returned. So next I tried to define my own TypeHandler for the Status enum. Web👉 mybatisplus-spring-boot 方式一:仅配置指定包内的枚举类使用 MybatisEnumTypeHandler 配置文件 resources/application.yml mybatis-plus: # 支持统配符 * 或者 ; 分割 …
Mybatis-plus enumtypehandler
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WebApr 10, 2024 · org.apache.ibatis.type.EnumTypeHandler: callSettersOnNulls: 指定当结果集中值为 null 的时候是否调用映射对象的 setter(map 对象时为 put)方法,这在依赖于 Map.keySet() 或 null 值进行初始化时比较有用。 ... MyBatis-Plus(简称 MP)是一个基于 MyBatis 的增强工具,它对 Mybatis 的基础 ... WebMyBatis-Plus (简称 MP)是一个 MyBatis 的增强工具,在 MyBatis 的基础上只做增强不做改变,为简化开发、提高效率而生。 愿景 我们的愿景是成为 MyBatis 最好的搭档,就像 魂斗罗 中的 1P、2P,基友搭配,效率翻倍。 特性 无侵入 :只做增强不做改变,引入它不会对现有工程产生影响,如丝般顺滑 损耗小 :启动即会自动注入基本 CURD,性能基本无损 …
Web1.1.1 What is MyBatis? MyBatis is a first class persistence framework with support for custom SQL, stored procedures and advanced mappings. MyBatis eliminates almost all of the JDBC code and manual setting of parameters and retrieval of results. MyBatis can use simple XML or Annotations for configuration WebMybatis官网链接 提示:这里对文章进行总结: 数据库连接可以在容器启动的时候就先进行一定数量的连接,放在连接池当中,等待调用。 举例子:jdbc.initialSize1=50 常用连接池功能不仅仅局限于连接,还能对sql语句进行监控管理、处理异常、管理事务作用。
WebKermit Lea Stofer, American computer software company executive. John McMullen scholar, 1967. Member Boston Junior Chamber of Commerce (external vice president … WebOct 1, 2014 · Use an implicit TypeHandler based on resultType for select in MyBatis. 0. Use custom typehandler on resulttype in myBatis. 1. Specifying a type handler for an …
WebMyBatis is able to execute different statements depending on your database vendor. The multi-db vendor support is based on the mapped statements databaseId attribute. …
Webconfiguration. Public Constructors. EnumTypeHandler (Class type) Public Methods. E. getNullableResult (CallableStatement cs, int columnIndex) E. getNullableResult (ResultSet rs, int columnIndex) E. mattsworld eddWebApr 8, 2024 · kazuki43zoo added this to the 3.4.5 milestone on Apr 10, 2024. mentioned this issue. styner9 mentioned this issue on Apr 26, 2024. Apply strategy pattern on … mattsworld fnfWebJun 12, 2024 · In Mybatis, TypeHandler, which handles enumeration classes, has two: EnumTypeHandler: Used to hold the enumeration name EnumOrdinalTypeHandler: The serial number used to hold the enumeration. In a practical project, the above often fails to meet our requirements. Demand analysis matts world pukekoheWebMyBatis TypeHandlers JSR310. MyBatis Type Handlers supporting JSR-310. License. Apache 2.0. Tags. persistence jsr mybatis. Ranking. #6703 in MvnRepository ( See Top Artifacts) Used By. mattsworld tomtordWebOct 17, 2024 · 使用mybatis自带的枚举类处理,有2种方式,一个是EnumTypeHandler,一个是EnumOrdinalTypeHandler。 区别如下: EnumTypeHandler直接存储name值。它 … heritage court apartments ncWebNov 24, 2024 · EnumTypeHandler是mybatis默认的枚举类型转换器,如果pojo类中使用了枚举类型,而配置文件没有指定类型转换类,mybatis将使用EnumTypeHandler处理枚举属性。 EnumTypeHandler的将把枚举类的name进行存储,枚举类的name即枚举类名。 EnumOrdinalTypeHandler EnumOrdinalTypeHandler是mybatis提供的另一种转换器,顾名 … heritage court belperWebEnumTypeHandler ( Class < E > type) Method Summary All Methods Instance Methods Concrete Methods Modifier and Type Method Description E getNullableResult ( CallableStatement cs, int columnIndex) E getNullableResult ( ResultSet rs, int columnIndex) E getNullableResult ( ResultSet rs, String columnName) Gets the nullable result. void mattsworld future tord