简单的SQL函数使用:https://gitee.com/best_handsome/mybatis-plus-join/wikis/selectFunc()?sort_id=4082479 ON语句多条件支持:https://gitee.com/best_handsome/mybatis-plus-join/wikis/leftJoin?sort_id=3496671 分页查询 class test { @Resource private UserMapper userMapper; void testJoin() { IPage<...
SelectFunc 字段别名 1 parentf45a807commitdb0d197 1filechanged +36 -0 lines changed mybatis-plus-join-core/src/main/java/com/github/yulichang/wrapper/segments/Fun.java +36 Original file line numberDiff line numberDiff line change
// 两个参数代表自定义别名 JoinLambdaWrapper<Users> wrapper = joinLambdaQueryWrapper(Users.class, "userMaster"); wrapper .select(Users::getUserId, Users::getUserName) // leftJoin innerJoin rightJoin 三个参数代表使用默认别名,四个参数代表使用自定义别名 .leftJoin(UsersAge.class, UsersAge::getId,...
select(UserDto::getUserId) .fromSub(w -> w.selectFunc("case when %s = 1 then 1 when %s = 2 then 2 else 3 end", arg -> arg.accept(UserDO::getId, UserDO::getId), UserDto::getCreateBy) .selectAs(AddressDO::getId, UserDto::getUserId) .select(UserDO::getId) .selectAs(User...
selectLen(UserDO::getId) 这些函数时。 假如使用别名的字符串,则会报Not enough information to infer type variable X 错误 例如 selectSum(UserDO::getId, "user_id") 看函数原型为 default <S, X> Children selectSum(SFunction<S, ?> column, String alias) { return selectFunc(DefaultFuncEnum.SUM,...
简单的SQL函数使用:https://gitee.com/best_handsome/mybatis-plus-join/wikis/selectFunc()?sort_id=4082479 ON语句多条件支持:https://gitee.com/best_handsome/mybatis-plus-join/wikis/leftJoin?sort_id=3496671 分页查询 class test { @Resource
简单的SQL函数使用:https://gitee.com/best_handsome/mybatis-plus-join/wikis/selectFunc()?sort_id=4082479 ON语句多条件支持:https://gitee.com/best_handsome/mybatis-plus-join/wikis/leftJoin?sort_id=3496671 分页查询 代码语言:javascript 代码运行次数:0 ...
简单的SQL函数使用: https://gitee.com/best_handsome/mybatis-plus-join/wikis/selectFunc?sort_id=4082479 ON语句多条件支持: https://gitee.com/best_handsome/mybatis-plus-join/wikis/leftJoin?sort_id=3496671 分页查询classtest{ @Resource privateUserMapper userMapper; ...
简单的SQL函数使用: https://gitee.com/best_handsome/mybatis-plus-join/wikis/selectFunc?sort_id=4082479 ON语句多条件支持: https://gitee.com/best_handsome/mybatis-plus-join/wikis/leftJoin?sort_id=3496671 分页查询classtest{ @Resource privateUserMapper userMapper; ...
简单的SQL函数使用:https://gitee.com/best_handsome/mybatis-plus-join/wikis/selectFunc()?sort_id=4082479 ON语句多条件支持:https://gitee.com/best_handsome/mybatis-plus-join/wikis/leftJoin?sort_id=3496671 等效于ResultMap <resultMap id="xxxxxxxx" type="com.github.yulichang.join.dto.UserDTO"> ...