feat(staff-enterprise-relation): 完成Task 1 - 数据库索引检查和创建
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# 员工实体关系添加员工姓名字段实施笔记
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**实施日期:** 2026-02-11
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**实施人员:** Claude Code Agent
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**功能模块:** 员工实体关系
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---
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## Task 1: 数据库索引检查
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### 执行时间
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2026-02-11
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### 执行内容
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#### 1. 数据库连接配置
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- **Host:** 116.62.17.81
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- **Port:** 3306
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- **Database:** ccdi
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- **Username:** root
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#### 2. 索引检查
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执行 SQL:
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```sql
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SHOW INDEX FROM ccdi_base_staff WHERE Key_name = 'idx_id_card';
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```
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**结果:** 索引不存在
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#### 3. 索引创建
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执行 SQL:
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```sql
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CREATE INDEX idx_id_card ON ccdi_base_staff(id_card);
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```
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**结果:** 成功创建索引
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**索引信息:**
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- Table: ccdi_base_staff
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- Key_name: idx_id_card
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- Column_name: id_card
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- Index_type: BTREE
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- Non_unique: 1
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- Null: YES
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- Cardinality: 1000
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#### 4. 索引验证
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执行 SQL:
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```sql
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SHOW INDEX FROM ccdi_base_staff WHERE Key_name = 'idx_id_card';
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```
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**结果:** 索引已成功创建并生效
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### 状态
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- [x] 数据库索引已创建
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### 自我审查结果
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✅ 索引创建成功
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✅ 索引类型为 BTREE,适合等值查询
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✅ Cardinality 为 1000,说明索引选择度良好
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✅ 允许 NULL 值,符合业务需求
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### 备注
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该索引用于优化 `ccdi_staff_enterprise_relation.person_id = ccdi_base_staff.id_card` 的 JOIN 查询性能。
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---
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## 后续任务
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待实施任务:
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- [ ] Task 2: 修改 VO 类添加员工姓名字段
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- [ ] Task 3: 修改 Mapper XML - 列表查询
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- [ ] Task 4: 修改 Mapper XML - 详情查询
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- [ ] Task 5: 编写接口测试脚本
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- [ ] Task 6: 后端编译验证
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- [ ] Task 7: 修改列表页面
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- [ ] Task 8: 前端编译验证
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- [ ] Task 9-12: 测试阶段
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- [ ] Task 13-14: 文档更新
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- [ ] Task 15: 生成测试报告
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- [ ] Task 16: 代码审查
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- [ ] Task 17: 整合提交和 PR
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