131 lines
7.9 KiB
SQL
131 lines
7.9 KiB
SQL
-- =============================================================================
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-- 学生学籍异动 + 换班级 → 教务对接宽表视图
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-- 说明见：学生学籍异动同步教务系统改造方案.md
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--
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-- 约定：
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-- * 异动前/后「校区」列为 NULL（本系统无校区字段）
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-- * 「异动生效学期」列保留，值为 NULL（教务可接受空值）
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-- * 「异动生效时间」：学籍异动 = effective_date；换班级 = effective_time（API 按年筛选）
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-- * 「异动类型」：输出教务系统中文名称（见 §异动类型映射）
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-- * 仅导出已处理：学籍 process_status = 1；换班级 status = '1'
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-- * 学籍异动「异动前」：优先 xg_student_msg_his（处理脚本落库快照），否则回退 xg_student_msg
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-- * 学籍异动「异动后」：取自当前 xg_student_msg（纯学籍异动组织维度通常不变）
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-- * 末尾「数据来源」「来源记录id」供联调，API 层不对外返回
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--
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-- 异动类型映射（本库 → 教务附件1）：
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-- TUI_XUE → 退学
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-- XIU_XUE → 休学
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-- FU_XUE → 复学
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-- BI_YE → 不同步（本库「毕业」记录不传给教务）
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-- 换班级记录 → 转班级
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--
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-- 执行前请确认：本库 sys_user 是否含 user_no；若无则把 COALESCE 改为仅用 user_name。
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-- =============================================================================
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DROP VIEW IF EXISTS `vw_jw_student_change_export`;
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CREATE VIEW `vw_jw_student_change_export` AS
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SELECT
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DATE(COALESCE(sc.apply_date, sc.create_time)) AS `提交时间`,
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(CAST(NULL AS CHAR(32) CHARACTER SET utf8mb4) COLLATE utf8mb4_unicode_ci) AS `异动生效学期`,
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CAST(sc.effective_date AS DATETIME) AS `异动生效时间`,
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(CASE sc.change_type
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WHEN 'TUI_XUE' THEN '退学'
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WHEN 'XIU_XUE' THEN '休学'
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WHEN 'FU_XUE' THEN '复学'
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ELSE COALESCE(sc.change_type, '')
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END COLLATE utf8mb4_unicode_ci) AS `异动类型`,
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(COALESCE(sc.student_no, m.student_no) COLLATE utf8mb4_unicode_ci) AS `申请人学号`,
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(COALESCE(mh.`name`, m.`name`) COLLATE utf8mb4_unicode_ci) AS `姓名`,
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(COALESCE(mh.grade, m.grade, cm_before.grade) COLLATE utf8mb4_unicode_ci) AS `异动前所在年级`,
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(CAST(NULL AS CHAR(64) CHARACTER SET utf8mb4) COLLATE utf8mb4_unicode_ci) AS `异动前所在校区`,
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(COALESCE(mh.college_name, m.college_name, cm_before.college_name) COLLATE utf8mb4_unicode_ci) AS `异动前所在院系`,
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(COALESCE(mh.major_name, m.major_name, cm_before.major_name) COLLATE utf8mb4_unicode_ci) AS `异动前所在专业`,
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(COALESCE(mh.class_name, m.class_name, cm_before.class_name) COLLATE utf8mb4_unicode_ci) AS `异动前所在班级`,
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COALESCE(cm_before.school_system, mh.school_system, m.school_system) AS `异动前学制`,
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(CAST(NULL AS CHAR(64) CHARACTER SET utf8mb4) COLLATE utf8mb4_unicode_ci) AS `异动后所在校区`,
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(COALESCE(m.grade, cm_after.grade, mh.grade) COLLATE utf8mb4_unicode_ci) AS `异动后所在年级`,
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(COALESCE(m.class_name, cm_after.class_name, mh.class_name) COLLATE utf8mb4_unicode_ci) AS `异动后所在班级`,
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(COALESCE(m.college_name, cm_after.college_name, mh.college_name) COLLATE utf8mb4_unicode_ci) AS `异动后所在院系`,
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(COALESCE(m.major_name, cm_after.major_name, mh.major_name) COLLATE utf8mb4_unicode_ci) AS `异动后所在专业`,
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COALESCE(cm_after.school_system, m.school_system, cm_before.school_system, mh.school_system) AS `异动后学制`,
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(COALESCE(NULLIF(TRIM(su.user_no), ''), su.user_name) COLLATE utf8mb4_unicode_ci) AS `异动后班主任工号`,
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(COALESCE(m.class_teacher_name, cm_after.class_teacher_name, mh.class_teacher_name) COLLATE utf8mb4_unicode_ci) AS `异动后班主任姓名`,
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(CAST(NULL AS CHAR(50) CHARACTER SET utf8mb4) COLLATE utf8mb4_unicode_ci) AS `新名字`,
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('已通过' COLLATE utf8mb4_unicode_ci) AS `审核状态`,
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('学籍异动' COLLATE utf8mb4_unicode_ci) AS `数据来源`,
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sc.id AS `来源记录id`
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FROM xg_student_status_change sc
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LEFT JOIN xg_student_msg m
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ON m.id = sc.student_id
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AND m.deleted = 0
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AND (m.tenant_id COLLATE utf8mb4_unicode_ci) = (sc.tenant_id COLLATE utf8mb4_unicode_ci)
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LEFT JOIN xg_student_msg_his mh
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ON mh.id = sc.student_id
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AND mh.deleted = 0
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AND (mh.tenant_id COLLATE utf8mb4_unicode_ci) = (sc.tenant_id COLLATE utf8mb4_unicode_ci)
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LEFT JOIN xg_class_msg cm_before
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ON cm_before.deleted = 0
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AND (cm_before.tenant_id COLLATE utf8mb4_unicode_ci) = (sc.tenant_id COLLATE utf8mb4_unicode_ci)
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AND cm_before.id = CAST(NULLIF(TRIM(COALESCE(mh.class_id, m.class_id)), '') AS UNSIGNED)
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LEFT JOIN xg_class_msg cm_after
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ON cm_after.deleted = 0
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AND (cm_after.tenant_id COLLATE utf8mb4_unicode_ci) = (sc.tenant_id COLLATE utf8mb4_unicode_ci)
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AND cm_after.id = CAST(NULLIF(TRIM(m.class_id), '') AS UNSIGNED)
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LEFT JOIN sys_user su
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ON su.user_id = COALESCE(m.class_teacher_id, cm_after.class_teacher_id)
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AND (su.del_flag COLLATE utf8mb4_unicode_ci) = ('0' COLLATE utf8mb4_unicode_ci)
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AND (su.tenant_id COLLATE utf8mb4_unicode_ci) = (sc.tenant_id COLLATE utf8mb4_unicode_ci)
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WHERE sc.deleted = 0
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AND sc.process_status = 1
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AND (sc.change_type COLLATE utf8mb4_unicode_ci) <> ('BI_YE' COLLATE utf8mb4_unicode_ci)
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UNION ALL
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SELECT
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DATE(COALESCE(c.change_time, c.create_time)) AS `提交时间`,
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(CAST(NULL AS CHAR(32) CHARACTER SET utf8mb4) COLLATE utf8mb4_unicode_ci) AS `异动生效学期`,
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CAST(c.effective_time AS DATETIME) AS `异动生效时间`,
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('转班级' COLLATE utf8mb4_unicode_ci) AS `异动类型`,
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(c.student_no COLLATE utf8mb4_unicode_ci) AS `申请人学号`,
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(c.student_name COLLATE utf8mb4_unicode_ci) AS `姓名`,
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(oc.grade COLLATE utf8mb4_unicode_ci) AS `异动前所在年级`,
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(CAST(NULL AS CHAR(64) CHARACTER SET utf8mb4) COLLATE utf8mb4_unicode_ci) AS `异动前所在校区`,
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(c.original_college_name COLLATE utf8mb4_unicode_ci) AS `异动前所在院系`,
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(c.original_major_name COLLATE utf8mb4_unicode_ci) AS `异动前所在专业`,
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(c.original_class_name COLLATE utf8mb4_unicode_ci) AS `异动前所在班级`,
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oc.school_system AS `异动前学制`,
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(CAST(NULL AS CHAR(64) CHARACTER SET utf8mb4) COLLATE utf8mb4_unicode_ci) AS `异动后所在校区`,
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(nc.grade COLLATE utf8mb4_unicode_ci) AS `异动后所在年级`,
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(c.new_class_name COLLATE utf8mb4_unicode_ci) AS `异动后所在班级`,
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(c.new_college_name COLLATE utf8mb4_unicode_ci) AS `异动后所在院系`,
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(c.new_major_name COLLATE utf8mb4_unicode_ci) AS `异动后所在专业`,
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nc.school_system AS `异动后学制`,
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(COALESCE(NULLIF(TRIM(su2.user_no), ''), su2.user_name) COLLATE utf8mb4_unicode_ci) AS `异动后班主任工号`,
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(nc.class_teacher_name COLLATE utf8mb4_unicode_ci) AS `异动后班主任姓名`,
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(CAST(NULL AS CHAR(50) CHARACTER SET utf8mb4) COLLATE utf8mb4_unicode_ci) AS `新名字`,
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('已通过' COLLATE utf8mb4_unicode_ci) AS `审核状态`,
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('换班级' COLLATE utf8mb4_unicode_ci) AS `数据来源`,
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c.id AS `来源记录id`
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FROM xg_student_class_change c
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LEFT JOIN xg_class_msg oc
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ON oc.id = c.original_class_id
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AND oc.deleted = 0
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AND (oc.tenant_id COLLATE utf8mb4_unicode_ci) = (c.tenant_id COLLATE utf8mb4_unicode_ci)
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LEFT JOIN xg_class_msg nc
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ON nc.id = c.new_class_id
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AND nc.deleted = 0
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AND (nc.tenant_id COLLATE utf8mb4_unicode_ci) = (c.tenant_id COLLATE utf8mb4_unicode_ci)
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LEFT JOIN sys_user su2
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ON su2.user_id = nc.class_teacher_id
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AND (su2.del_flag COLLATE utf8mb4_unicode_ci) = ('0' COLLATE utf8mb4_unicode_ci)
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AND (su2.tenant_id COLLATE utf8mb4_unicode_ci) = (c.tenant_id COLLATE utf8mb4_unicode_ci)
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WHERE c.deleted = 0
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AND (c.`status` COLLATE utf8mb4_unicode_ci) = ('1' COLLATE utf8mb4_unicode_ci);
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-- -----------------------------------------------------------------------------
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-- 授权：用户 jw_cx 仅查询本视图（需使用具备 GRANT 权限的账号执行，如 root）
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-- -----------------------------------------------------------------------------
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GRANT SELECT ON `hzdyjs_xg`.`vw_jw_student_change_export` TO 'jw_cx'@'%';
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FLUSH PRIVILEGES;
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