31 lines
1.3 KiB
Python
31 lines
1.3 KiB
Python
from DoubaoTeam.schemas.statistics import NoExist
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from sqlalchemy import func
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#`GET /statistics/students/age-over-30`
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#查询所有超过 30 岁的学员信息
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def age_over_thirty(Student,db):
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student_list=db.query(Student).filter(Student.age>=30).all()
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if not student_list :
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raise NoExist('无目标年龄大于30岁')
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return student_list
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def gender_count(Student,db):
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result=db.query(Student.class_id,Student.gender,func.count(Student.id)).group_by(Student.class_id,Student.gender).all()
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if not result :
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raise NoExist('班里招点人吧，要倒闭了')
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dict1 = {}
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for i,j,k in result:
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if i not in dict1 :
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dict1[i]={'男':0,'女':0}
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dict[i][j]+=k
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return dict1
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#查询每次考试成绩都在 80 分以上的学生编号、姓名和成绩
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def score_over_eighty(Score,Student,db):
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student_list=db.query(Student.id, Student.student_name)\
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.join(Student,Score.student_id==Student.id).group_by(Student.student_no,Student.student_name)\
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.having(func.min(Score.score)>80).all()
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for i in student_list:
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student_list2 = db.query(Student.student_no, Student.student_name,Score.score).join(Student,Score.student_id==Student.id).filter(i.id==Student.id).all()
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