问Hibernate正在两次选择相同的列。为什么和目的是什么？

EN

2022-02-21 07:12:33.213 TRACE 19824 --- [           main] o.h.type.descriptor.sql.BasicExtractor   : extracted value ([student_1_12_0_] : [INTEGER]) - [6]
Hibernate: 
    select
        students0_.college_id_fk as college_3_12_0_,
        students0_.student_id as student_1_12_0_,
        students0_.student_id as student_1_12_1_,
        students0_.college_id_fk as college_3_12_1_,
        students0_.student_name as student_2_12_1_ 
    from
        student students0_ 
    where
        students0_.college_id_fk=?
2022-02-21 07:12:33.214 TRACE 19824 --- [           main] o.h.type.descriptor.sql.BasicBinder      : binding parameter [1] as [INTEGER] - [1]

  collegeRepo.findAll().forEach( c -> System.err.println("college wit students: " + c.getStudents() ) );

@Entity
public class College {

    @Id
    @GeneratedValue
    private int collegeId;

    private String collegeName;

    @OneToMany(targetEntity = Student.class, mappedBy = "college") //, cascade = CascadeType.ALL, fetch = FetchType.EAGER)
    //as you can see students is loaded eagerly.
    private List<Student> students;

@Entity
public class Student {

    @Id
    @GeneratedValue
    private int studentId;

    private String studentName;

    @ManyToOne
    @JoinColumn(name = "collegeId_fk")
    private College college;