package art.kexue.sxwz.mapper;

import art.kexue.sxwz.entity.EduCourseStudent;
import org.apache.ibatis.annotations.Mapper;
import org.apache.ibatis.annotations.Param;

import java.util.List;

@Mapper
public interface
EduCourseStudentMapper {

    int insert(EduCourseStudent record);

    EduCourseStudent queryById(Long id);

    int updateByIdSelective(EduCourseStudent record);


    int deleteById(Long id);

    List<EduCourseStudent> queryByCourseId(Long courseId);

    List<EduCourseStudent> queryByStudentId(Long studentId);

    EduCourseStudent queryByCourseIdAndStudentId(@Param("courseId") Long courseId, @Param("studentId") Long studentId);

    int batchInsert(List<EduCourseStudent> list);

    int deleteByCourseId(Long courseId);

    int deleteByStudentId(Long studentId);
}