package cn.iocoder.yudao.module.infra.dal.mysql.demo.demo03.inner;
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import cn.iocoder.yudao.framework.mybatis.core.mapper.BaseMapperX;
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import cn.iocoder.yudao.module.infra.dal.dataobject.demo.demo03.Demo03GradeDO;
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import org.apache.ibatis.annotations.Mapper;
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import java.util.List;
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/**
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* 学生班级 Mapper
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*
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* @author 芋道源码
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*/
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@Mapper
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public interface Demo03GradeInnerMapper extends BaseMapperX<Demo03GradeDO> {
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default Demo03GradeDO selectByStudentId(Long studentId) {
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return selectOne(Demo03GradeDO::getStudentId, studentId);
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}
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default int deleteByStudentId(Long studentId) {
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return delete(Demo03GradeDO::getStudentId, studentId);
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}
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default int deleteByStudentIds(List<Long> studentIds) {
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return deleteBatch(Demo03GradeDO::getStudentId, studentIds);
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}
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}
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