Initial commit of akmon project
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setup_student_class_data.sql
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180
setup_student_class_data.sql
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-- 设置学生班级数据脚本
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-- 为从 member_users 迁移到 ak_users 的学生数据补充学校、年级、班级信息
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-- 步骤1: 创建基础数据（如果不存在）
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-- 创建默认地区
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INSERT INTO public.ak_regions (id, name, level)
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VALUES
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('11111111-1111-1111-1111-111111111111', '北京市', 1),
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('22222222-2222-2222-2222-222222222222', '海淀区', 3)
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ON CONFLICT (id) DO NOTHING;
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-- 创建测试学校
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INSERT INTO public.ak_schools (id, name, region_id, type)
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VALUES
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('33333333-3333-3333-3333-333333333333', '北京市第一中学', '22222222-2222-2222-2222-222222222222', '中学'),
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('44444444-4444-4444-4444-444444444444', '北京市实验小学', '22222222-2222-2222-2222-222222222222', '小学')
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ON CONFLICT (id) DO NOTHING;
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-- 创建年级（中学）
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INSERT INTO public.ak_grades (id, school_id, name)
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VALUES
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('55555555-5555-5555-5555-555555555555', '33333333-3333-3333-3333-333333333333', '高一'),
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('66666666-6666-6666-6666-666666666666', '33333333-3333-3333-3333-333333333333', '高二'),
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('77777777-7777-7777-7777-777777777777', '33333333-3333-3333-3333-333333333333', '高三')
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ON CONFLICT (id) DO NOTHING;
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-- 创建年级（小学）
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INSERT INTO public.ak_grades (id, school_id, name)
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VALUES
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('88888888-8888-8888-8888-888888888888', '44444444-4444-4444-4444-444444444444', '一年级'),
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('99999999-9999-9999-9999-999999999999', '44444444-4444-4444-4444-444444444444', '二年级'),
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('aaaaaaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa', '44444444-4444-4444-4444-444444444444', '三年级')
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ON CONFLICT (id) DO NOTHING;
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-- 创建班级（高一）
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INSERT INTO public.ak_classes (id, grade_id, name)
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VALUES
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('bbbbbbbb-bbbb-bbbb-bbbb-bbbbbbbbbbbb', '55555555-5555-5555-5555-555555555555', '高一(1)班'),
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('cccccccc-cccc-cccc-cccc-cccccccccccc', '55555555-5555-5555-5555-555555555555', '高一(2)班'),
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('dddddddd-dddd-dddd-dddd-dddddddddddd', '55555555-5555-5555-5555-555555555555', '高一(3)班')
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ON CONFLICT (id) DO NOTHING;
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-- 创建班级（高二）
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INSERT INTO public.ak_classes (id, grade_id, name)
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VALUES
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('eeeeeeee-eeee-eeee-eeee-eeeeeeeeeeee', '66666666-6666-6666-6666-666666666666', '高二(1)班'),
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('ffffffff-ffff-ffff-ffff-ffffffffffff', '66666666-6666-6666-6666-666666666666', '高二(2)班')
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ON CONFLICT (id) DO NOTHING;
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-- 创建班级（小学）
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INSERT INTO public.ak_classes (id, grade_id, name)
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VALUES
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('12121212-1212-1212-1212-121212121212', '88888888-8888-8888-8888-888888888888', '一年级(1)班'),
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('13131313-1313-1313-1313-131313131313', '99999999-9999-9999-9999-999999999999', '二年级(1)班')
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ON CONFLICT (id) DO NOTHING;
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-- 步骤2: 查看当前学生数据状态
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-- 查看有多少学生还没有设置班级信息
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SELECT
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role,
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COUNT(*) as user_count,
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COUNT(CASE WHEN school_id IS NULL THEN 1 END) as no_school_count,
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COUNT(CASE WHEN grade_id IS NULL THEN 1 END) as no_grade_count,
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COUNT(CASE WHEN class_id IS NULL THEN 1 END) as no_class_count
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FROM public.ak_users
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WHERE role = 'student'
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GROUP BY role;
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-- 步骤3: 批量更新学生的学校、年级、班级信息
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-- 这里提供几种方案，您可以根据实际情况选择：
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-- 方案A: 将所有学生分配到默认的高一(1)班
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-- 注意：这会将所有学生都分配到同一个班级
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/*
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UPDATE public.ak_users
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SET
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school_id = '33333333-3333-3333-3333-333333333333', -- 北京市第一中学
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grade_id = '55555555-5555-5555-5555-555555555555', -- 高一
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class_id = 'bbbbbbbb-bbbb-bbbb-bbbb-bbbbbbbbbbbb' -- 高一(1)班
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WHERE role = 'student'
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AND (school_id IS NULL OR grade_id IS NULL OR class_id IS NULL);
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*/
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-- 方案B: 根据用户ID的哈希值随机分配到不同班级
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-- 这样可以让学生相对均匀地分布在不同班级中
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WITH class_assignment AS (
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SELECT
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id,
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CASE
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WHEN (hashtext(id::text) % 5) = 0 THEN 'bbbbbbbb-bbbb-bbbb-bbbb-bbbbbbbbbbbb' -- 高一(1)班
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WHEN (hashtext(id::text) % 5) = 1 THEN 'cccccccc-cccc-cccc-cccc-cccccccccccc' -- 高一(2)班
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WHEN (hashtext(id::text) % 5) = 2 THEN 'dddddddd-dddd-dddd-dddd-dddddddddddd' -- 高一(3)班
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WHEN (hashtext(id::text) % 5) = 3 THEN 'eeeeeeee-eeee-eeee-eeee-eeeeeeeeeeee' -- 高二(1)班
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ELSE 'ffffffff-ffff-ffff-ffff-ffffffffffff' -- 高二(2)班
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END as assigned_class_id
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FROM public.ak_users
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WHERE role = 'student'
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AND (school_id IS NULL OR grade_id IS NULL OR class_id IS NULL)
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)
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UPDATE public.ak_users
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SET
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school_id = '33333333-3333-3333-3333-333333333333', -- 北京市第一中学
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grade_id = CASE
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WHEN ca.assigned_class_id IN ('bbbbbbbb-bbbb-bbbb-bbbb-bbbbbbbbbbbb', 'cccccccc-cccc-cccc-cccc-cccccccccccc', 'dddddddd-dddd-dddd-dddd-dddddddddddd')
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THEN '55555555-5555-5555-5555-555555555555' -- 高一
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ELSE '66666666-6666-6666-6666-666666666666' -- 高二
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END,
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class_id = ca.assigned_class_id
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FROM class_assignment ca
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WHERE public.ak_users.id = ca.id;
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-- 步骤4: 创建教师账户并分配班级管理权限
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-- 创建测试教师（如果不存在）
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INSERT INTO public.ak_users (
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id,
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username,
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email,
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password_hash,
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role,
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school_id,
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grade_id
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)
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VALUES
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('teacher01-1111-1111-1111-111111111111', '张老师', 'zhang.teacher@school.edu', '$2b$10$dummy.hash.for.testing', 'teacher', '33333333-3333-3333-3333-333333333333', '55555555-5555-5555-5555-555555555555'),
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('teacher02-2222-2222-2222-222222222222', '李老师', 'li.teacher@school.edu', '$2b$10$dummy.hash.for.testing', 'teacher', '33333333-3333-3333-3333-333333333333', '66666666-6666-6666-6666-666666666666')
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ON CONFLICT (id) DO NOTHING;
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-- 创建教师-班级关系（如果表结构存在）
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-- 张老师负责高一的3个班级
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INSERT INTO public.ak_teacher_roles (id, user_id, class_id)
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VALUES
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(gen_random_uuid(), 'teacher01-1111-1111-1111-111111111111', 'bbbbbbbb-bbbb-bbbb-bbbb-bbbbbbbbbbbb'),
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(gen_random_uuid(), 'teacher01-1111-1111-1111-111111111111', 'cccccccc-cccc-cccc-cccc-cccccccccccc'),
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(gen_random_uuid(), 'teacher01-1111-1111-1111-111111111111', 'dddddddd-dddd-dddd-dddd-dddddddddddd')
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ON CONFLICT (user_id, class_id) DO NOTHING;
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-- 李老师负责高二的2个班级
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INSERT INTO public.ak_teacher_roles (id, user_id, class_id)
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VALUES
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(gen_random_uuid(), 'teacher02-2222-2222-2222-222222222222', 'eeeeeeee-eeee-eeee-eeee-eeeeeeeeeeee'),
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(gen_random_uuid(), 'teacher02-2222-2222-2222-222222222222', 'ffffffff-ffff-ffff-ffff-ffffffffffff')
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ON CONFLICT (user_id, class_id) DO NOTHING;
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-- 步骤5: 验证数据设置结果
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-- 查看更新后的学生分布情况
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SELECT
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s.name as school_name,
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g.name as grade_name,
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c.name as class_name,
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COUNT(u.id) as student_count
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FROM public.ak_users u
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LEFT JOIN public.ak_schools s ON u.school_id = s.id
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LEFT JOIN public.ak_grades g ON u.grade_id = g.id
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LEFT JOIN public.ak_classes c ON u.class_id = c.id
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WHERE u.role = 'student'
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GROUP BY s.name, g.name, c.name
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ORDER BY s.name, g.name, c.name;
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-- 查看教师负责的班级情况
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SELECT
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u.username as teacher_name,
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s.name as school_name,
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g.name as grade_name,
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c.name as class_name,
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(SELECT COUNT(*) FROM public.ak_users WHERE class_id = c.id AND role = 'student') as student_count
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FROM public.ak_teacher_roles tr
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JOIN public.ak_users u ON tr.user_id = u.id
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JOIN public.ak_classes c ON tr.class_id = c.id
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JOIN public.ak_grades g ON c.grade_id = g.id
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JOIN public.ak_schools s ON g.school_id = s.id
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ORDER BY u.username, s.name, g.name, c.name;
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-- 检查是否还有未分配班级的学生
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SELECT
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COUNT(*) as unassigned_students,
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array_agg(username) as usernames
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FROM public.ak_users
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WHERE role = 'student'
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AND (school_id IS NULL OR grade_id IS NULL OR class_id IS NULL);
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