2026-02-08 15:53:35 +08:00
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# 数据库唯一索引验证报告
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## 验证日期
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2026-03-03 16:14:16 +08:00
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2026-02-08 15:53:35 +08:00
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2026-02-08
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## 验证目的
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2026-03-03 16:14:16 +08:00
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2026-02-08 15:53:35 +08:00
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确认中介信息导入功能所需的数据库唯一索引已正确配置,为 `INSERT ... ON DUPLICATE KEY UPDATE` 语句提供基础支持。
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## 涉及表
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2026-03-03 16:14:16 +08:00
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2026-02-08 15:53:35 +08:00
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- `ccdi_biz_intermediary` (个人中介表)
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- `ccdi_enterprise_base_info` (实体中介表)
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---
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## 检查结果
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### 1. 个人中介表 (ccdi_biz_intermediary)
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#### 检查项: person_id 唯一索引
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**检查前状态:**
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2026-03-03 16:14:16 +08:00
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2026-02-08 15:53:35 +08:00
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- 存在普通索引 `idx_person_id` (Non_unique = 1)
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- ❌ 不满足唯一性要求
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**执行操作:**
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2026-03-03 16:14:16 +08:00
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2026-02-08 15:53:35 +08:00
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```sql
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-- 删除原有普通索引
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ALTER TABLE ccdi_biz_intermediary DROP INDEX idx_person_id;
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-- 创建唯一索引
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ALTER TABLE ccdi_biz_intermediary ADD UNIQUE KEY uk_person_id (person_id);
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```
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**检查后状态:**
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2026-03-03 16:14:16 +08:00
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2026-02-08 15:53:35 +08:00
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- ✅ 唯一索引 `uk_person_id` 已创建
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- Non_unique: 0
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- Column_name: person_id
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- Index_type: BTREE
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- Cardinality: 1745
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2026-02-08 15:53:59 +08:00
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**最终索引状态:**
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2026-03-03 16:14:16 +08:00
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2026-02-08 15:53:59 +08:00
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- ✅ PRIMARY KEY: `biz_id`
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- ✅ UNIQUE KEY: `uk_person_id` (Non_unique = 0)
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- ✅ INDEX: `idx_name` (普通索引)
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- ✅ INDEX: `idx_mobile` (普通索引)
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**完整索引列表:**
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2026-03-03 16:14:16 +08:00
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2026-02-08 15:53:35 +08:00
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```sql
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SHOW INDEX FROM ccdi_biz_intermediary;
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```
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2026-03-03 16:14:16 +08:00
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| Key_name | Column_name | Non_unique | Index_type |
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|--------------|-------------|------------|------------|
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| PRIMARY | biz_id | 0 | BTREE |
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| uk_person_id | person_id | 0 | BTREE |
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| idx_name | name | 1 | BTREE |
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| idx_mobile | mobile | 1 | BTREE |
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2026-02-08 15:53:59 +08:00
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2026-02-08 15:53:35 +08:00
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---
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### 2. 实体中介表 (ccdi_enterprise_base_info)
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#### 检查项: social_credit_code 主键
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**检查前状态:**
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2026-03-03 16:14:16 +08:00
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2026-02-08 15:53:35 +08:00
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- ✅ `social_credit_code` 已为 PRIMARY KEY
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- 字段类型: varchar(50)
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- 约束: NOT NULL
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- 引擎: InnoDB
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**表结构确认:**
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2026-02-08 15:53:35 +08:00
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```sql
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SHOW CREATE TABLE ccdi_enterprise_base_info;
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```
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**结论:**
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2026-03-03 16:14:16 +08:00
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2026-02-08 15:53:35 +08:00
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- ✅ 无需修改,已满足要求
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---
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## 总结
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### 验证结论
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2026-03-03 16:14:16 +08:00
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2026-02-08 15:53:35 +08:00
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✅ **所有必需的唯一索引/主键均已正确配置**
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### 配置详情
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2026-03-03 16:14:16 +08:00
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| 表名 | 字段 | 约束类型 | 状态 |
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|---------------------------|--------------------|-------------|-------|
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| ccdi_biz_intermediary | person_id | UNIQUE KEY | ✅ 已创建 |
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2026-02-08 15:53:35 +08:00
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| ccdi_enterprise_base_info | social_credit_code | PRIMARY KEY | ✅ 已存在 |
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### 对导入功能的影响
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2026-03-03 16:14:16 +08:00
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2026-02-08 15:53:35 +08:00
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- ✅ `INSERT ... ON DUPLICATE KEY UPDATE` 现在可以正确工作
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- ✅ 个人中介数据根据 `person_id` 自动去重和更新
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- ✅ 实体中介数据根据 `social_credit_code` 自动去重和更新
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### 注意事项
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2026-03-03 16:14:16 +08:00
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2026-02-08 15:53:35 +08:00
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1. **唯一索引约束:** 导入数据时,如果 `person_id` 重复,将自动执行更新操作
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2. **性能影响:** 唯一索引会在插入和更新时进行唯一性检查,对性能有轻微影响
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3. **数据完整性:** 唯一索引确保了数据的唯一性,防止重复数据
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---
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## 执行人员
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2026-03-03 16:14:16 +08:00
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2026-02-08 15:53:35 +08:00
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Claude Code AI Assistant
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## 审核状态
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2026-03-03 16:14:16 +08:00
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2026-02-08 15:53:35 +08:00
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✅ 已完成验证并创建唯一索引
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2026-02-08 15:53:59 +08:00
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✅ 文档已提交到 git (commit: a6a872b)
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