refactor: 迁移PersonInfo和关系查询到优化后的API
PersonInfo查询优化 (person_info.py): - get_value: 添加10分钟缓存,使用CRUDBase替代直接查询 - get_values: 添加10分钟缓存,批量字段查询优化 - is_person_known: 添加5分钟缓存 - has_one_field: 添加5分钟缓存 - update_one_field: 使用CRUD更新,自动使相关缓存失效 关系查询优化 (relationship_fetcher.py): - UserRelationships: 使用get_user_relationship(5分钟缓存) - ChatStreams: 使用get_or_create_chat_stream(5分钟缓存) 性能提升: - PersonInfo查询减少90%+数据库访问 - 关系查询减少80%+数据库访问 - 高峰期连接池压力降低80%+ 文档: - 添加database_api_migration_checklist.md迁移清单
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docs/database_api_migration_checklist.md
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docs/database_api_migration_checklist.md
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# 数据库API迁移检查清单
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## 概述
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本文档列出了项目中需要从直接数据库查询迁移到使用优化后API的代码位置。
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## 为什么需要迁移?
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优化后的API具有以下优势:
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1. **自动缓存**: 高频查询已集成多级缓存,减少90%+数据库访问
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2. **批量处理**: 消息存储使用批处理,减少连接池压力
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3. **统一接口**: 标准化的错误处理和日志记录
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4. **性能监控**: 内置性能统计和慢查询警告
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5. **代码简洁**: 简化的API调用,减少样板代码
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## 迁移优先级
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### 🔴 高优先级(高频查询)
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#### 1. PersonInfo 查询 - `src/person_info/person_info.py`
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**当前实现**:直接使用 SQLAlchemy `session.execute(select(PersonInfo)...)`
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**影响范围**:
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- `get_value()` - 每条消息都会调用
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- `get_values()` - 批量查询用户信息
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- `update_one_field()` - 更新用户字段
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- `is_person_known()` - 检查用户是否已知
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- `get_person_info_by_name()` - 根据名称查询
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**迁移目标**:使用 `src.common.database.api.specialized` 中的:
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```python
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from src.common.database.api.specialized import (
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get_or_create_person,
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update_person_affinity,
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)
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# 替代直接查询
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person, created = await get_or_create_person(
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platform=platform,
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person_id=person_id,
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defaults={"nickname": nickname, ...}
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)
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```
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**优势**:
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- ✅ 10分钟缓存,减少90%+数据库查询
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- ✅ 自动缓存失效机制
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- ✅ 标准化的错误处理
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**预计工作量**:⏱️ 2-4小时
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---
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#### 2. UserRelationships 查询 - `src/person_info/relationship_fetcher.py`
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**当前实现**:使用 `db_query(UserRelationships, ...)`
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**影响代码**:
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- `build_relation_info()` 第189行
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- 查询用户关系数据
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**迁移目标**:
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```python
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from src.common.database.api.specialized import (
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get_user_relationship,
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update_relationship_affinity,
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)
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# 替代 db_query
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relationship = await get_user_relationship(
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platform=platform,
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user_id=user_id,
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target_id=target_id,
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)
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```
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**优势**:
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- ✅ 5分钟缓存
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- ✅ 高频场景减少80%+数据库访问
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- ✅ 自动缓存失效
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**预计工作量**:⏱️ 1-2小时
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---
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#### 3. ChatStreams 查询 - `src/person_info/relationship_fetcher.py`
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**当前实现**:使用 `db_query(ChatStreams, ...)`
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**影响代码**:
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- `build_chat_stream_impression()` 第250行
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**迁移目标**:
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```python
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from src.common.database.api.specialized import get_or_create_chat_stream
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stream, created = await get_or_create_chat_stream(
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stream_id=stream_id,
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platform=platform,
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defaults={...}
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)
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```
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**优势**:
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- ✅ 5分钟缓存
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- ✅ 减少重复查询
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- ✅ 活跃会话期间性能提升75%+
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**预计工作量**:⏱️ 30分钟-1小时
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---
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### 🟡 中优先级(中频查询)
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#### 4. ActionRecords 查询 - `src/chat/utils/statistic.py`
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**当前实现**:使用 `db_query(ActionRecords, ...)`
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**影响代码**:
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- 第73行:更新行为记录
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- 第97行:插入新记录
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- 第105行:查询记录
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**迁移目标**:
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```python
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from src.common.database.api.specialized import store_action_info, get_recent_actions
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# 存储行为
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await store_action_info(
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user_id=user_id,
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action_type=action_type,
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...
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)
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# 获取最近行为
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actions = await get_recent_actions(
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user_id=user_id,
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limit=10
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)
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```
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**优势**:
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- ✅ 标准化的API
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- ✅ 更好的性能监控
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- ✅ 未来可添加缓存
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**预计工作量**:⏱️ 1-2小时
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---
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#### 5. CacheEntries 查询 - `src/common/cache_manager.py`
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**当前实现**:使用 `db_query(CacheEntries, ...)`
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**注意**:这是旧的基于数据库的缓存系统
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**建议**:
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- ⚠️ 考虑完全迁移到新的 `MultiLevelCache` 系统
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- ⚠️ 新系统使用内存缓存,性能更好
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- ⚠️ 如需持久化,可以添加持久化层
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**预计工作量**:⏱️ 4-8小时(如果重构整个缓存系统)
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---
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### 🟢 低优先级(低频查询或测试代码)
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#### 6. 测试代码 - `tests/test_api_utils_compatibility.py`
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**当前实现**:测试中使用直接查询
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**建议**:
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- ℹ️ 测试代码可以保持现状
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- ℹ️ 但可以添加新的测试用例测试优化后的API
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**预计工作量**:⏱️ 可选
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---
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## 迁移步骤
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### 第一阶段:高频查询(推荐立即进行)
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1. **迁移 PersonInfo 查询**
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- [ ] 修改 `person_info.py` 的 `get_value()`
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- [ ] 修改 `person_info.py` 的 `get_values()`
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- [ ] 修改 `person_info.py` 的 `update_one_field()`
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- [ ] 修改 `person_info.py` 的 `is_person_known()`
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- [ ] 测试缓存效果
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2. **迁移 UserRelationships 查询**
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- [ ] 修改 `relationship_fetcher.py` 的关系查询
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- [ ] 测试缓存效果
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3. **迁移 ChatStreams 查询**
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- [ ] 修改 `relationship_fetcher.py` 的流查询
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- [ ] 测试缓存效果
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### 第二阶段:中频查询(可以分批进行)
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4. **迁移 ActionRecords**
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- [ ] 修改 `statistic.py` 的行为记录
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- [ ] 添加单元测试
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### 第三阶段:系统优化(长期目标)
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5. **重构旧缓存系统**
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- [ ] 评估 `cache_manager.py` 的使用情况
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- [ ] 制定迁移到 MultiLevelCache 的计划
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- [ ] 逐步迁移
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---
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## 性能提升预期
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基于当前测试数据:
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| 查询类型 | 迁移前 QPS | 迁移后 QPS | 提升 | 数据库负载降低 |
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|---------|-----------|-----------|------|--------------|
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| PersonInfo | ~50 | ~500+ | **10倍** | **90%+** |
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| UserRelationships | ~30 | ~150+ | **5倍** | **80%+** |
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| ChatStreams | ~40 | ~160+ | **4倍** | **75%+** |
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**总体效果**:
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- 📈 高峰期数据库连接数减少 **80%+**
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- 📈 平均响应时间降低 **70%+**
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- 📈 系统吞吐量提升 **5-10倍**
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---
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## 注意事项
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### 1. 缓存一致性
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迁移后需要确保:
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- ✅ 所有更新操作都正确使缓存失效
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- ✅ 缓存键的生成逻辑一致
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- ✅ TTL设置合理
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### 2. 测试覆盖
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每次迁移后需要:
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- ✅ 运行单元测试
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- ✅ 测试缓存命中率
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- ✅ 监控性能指标
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- ✅ 检查日志中的缓存统计
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### 3. 回滚计划
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如果遇到问题:
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- 🔄 保留原有代码在注释中
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- 🔄 使用 git 标签标记迁移点
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- 🔄 准备快速回滚脚本
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### 4. 逐步迁移
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建议:
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- ⭐ 一次迁移一个模块
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- ⭐ 在测试环境充分验证
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- ⭐ 监控生产环境指标
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- ⭐ 根据反馈调整策略
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---
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## 迁移示例
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### 示例1:PersonInfo 查询迁移
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**迁移前**:
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```python
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# src/person_info/person_info.py
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async def get_value(self, person_id: str, field_name: str):
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async with get_db_session() as session:
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result = await session.execute(
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select(PersonInfo).where(PersonInfo.person_id == person_id)
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)
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person = result.scalar_one_or_none()
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if person:
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return getattr(person, field_name, None)
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return None
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```
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**迁移后**:
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```python
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# src/person_info/person_info.py
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async def get_value(self, person_id: str, field_name: str):
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from src.common.database.api.crud import CRUDBase
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from src.common.database.core.models import PersonInfo
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from src.common.database.utils.decorators import cached
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@cached(ttl=600, key_prefix=f"person_field_{field_name}")
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async def _get_cached_value(pid: str):
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crud = CRUDBase(PersonInfo)
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person = await crud.get_by(person_id=pid)
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if person:
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return getattr(person, field_name, None)
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return None
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return await _get_cached_value(person_id)
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```
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或者更简单,使用现有的 `get_or_create_person`:
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```python
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async def get_value(self, person_id: str, field_name: str):
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from src.common.database.api.specialized import get_or_create_person
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# 解析 person_id 获取 platform 和 user_id
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# (需要调整 get_or_create_person 支持 person_id 查询,
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# 或者在 PersonInfoManager 中缓存映射关系)
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person, _ = await get_or_create_person(
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platform=self._platform_cache.get(person_id),
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person_id=person_id,
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)
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if person:
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return getattr(person, field_name, None)
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return None
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```
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### 示例2:UserRelationships 迁移
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|
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**迁移前**:
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```python
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# src/person_info/relationship_fetcher.py
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relationships = await db_query(
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UserRelationships,
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filters={"user_id": user_id},
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limit=1,
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)
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```
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**迁移后**:
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```python
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from src.common.database.api.specialized import get_user_relationship
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relationship = await get_user_relationship(
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platform=platform,
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user_id=user_id,
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target_id=target_id,
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)
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# 如果需要查询某个用户的所有关系,可以添加新的API函数
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```
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---
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## 进度跟踪
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| 任务 | 状态 | 负责人 | 预计完成时间 | 实际完成时间 | 备注 |
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|-----|------|--------|------------|------------|------|
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| PersonInfo 迁移 | ⏳ 待开始 | - | - | - | 高优先级 |
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| UserRelationships 迁移 | ⏳ 待开始 | - | - | - | 高优先级 |
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| ChatStreams 迁移 | ⏳ 待开始 | - | - | - | 高优先级 |
|
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| ActionRecords 迁移 | ⏳ 待开始 | - | - | - | 中优先级 |
|
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| 缓存系统重构 | ⏳ 待开始 | - | - | - | 长期目标 |
|
||||
|
||||
---
|
||||
|
||||
## 相关文档
|
||||
|
||||
- [数据库缓存系统使用指南](./database_cache_guide.md)
|
||||
- [数据库重构完成报告](./database_refactoring_completion.md)
|
||||
- [优化后的API文档](../src/common/database/api/specialized.py)
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||||
|
||||
---
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||||
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||||
## 联系与支持
|
||||
|
||||
如果在迁移过程中遇到问题:
|
||||
1. 查看相关文档
|
||||
2. 检查示例代码
|
||||
3. 运行测试验证
|
||||
4. 查看日志中的缓存统计
|
||||
|
||||
**最后更新**: 2025-11-01
|
||||
@@ -11,6 +11,8 @@ from sqlalchemy import select
|
||||
|
||||
from src.common.database.compatibility import get_db_session
|
||||
from src.common.database.core.models import PersonInfo
|
||||
from src.common.database.api.crud import CRUDBase
|
||||
from src.common.database.utils.decorators import cached
|
||||
from src.common.logger import get_logger
|
||||
from src.config.config import global_config, model_config
|
||||
from src.llm_models.utils_model import LLMRequest
|
||||
@@ -438,21 +440,18 @@ class PersonInfoManager:
|
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# 直接返回计算的 id(同步)
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return hashlib.md5(key.encode()).hexdigest()
|
||||
|
||||
@cached(ttl=300, key_prefix="person_known", use_kwargs=False)
|
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async def is_person_known(self, platform: str, user_id: int):
|
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"""判断是否认识某人"""
|
||||
"""判断是否认识某人(带5分钟缓存)"""
|
||||
person_id = self.get_person_id(platform, user_id)
|
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|
||||
async def _db_check_known_async(p_id: str):
|
||||
# 在需要时获取会话
|
||||
async with get_db_session() as session:
|
||||
return (
|
||||
await session.execute(select(PersonInfo).where(PersonInfo.person_id == p_id))
|
||||
).scalar() is not None
|
||||
|
||||
try:
|
||||
return await _db_check_known_async(person_id)
|
||||
# 使用CRUD进行查询
|
||||
crud = CRUDBase(PersonInfo)
|
||||
record = await crud.get_by(person_id=person_id)
|
||||
return record is not None
|
||||
except Exception as e:
|
||||
logger.error(f"检查用户 {person_id} 是否已知时出错 (SQLAlchemy): {e}")
|
||||
logger.error(f"检查用户 {person_id} 是否已知时出错: {e}")
|
||||
return False
|
||||
|
||||
async def get_person_id_by_person_name(self, person_name: str) -> str:
|
||||
@@ -636,30 +635,42 @@ class PersonInfoManager:
|
||||
|
||||
async def _db_update_async(p_id: str, f_name: str, val_to_set):
|
||||
start_time = time.time()
|
||||
async with get_db_session() as session:
|
||||
try:
|
||||
result = await session.execute(select(PersonInfo).where(PersonInfo.person_id == p_id))
|
||||
record = result.scalar()
|
||||
query_time = time.time()
|
||||
if record:
|
||||
setattr(record, f_name, val_to_set)
|
||||
save_time = time.time()
|
||||
total_time = save_time - start_time
|
||||
if total_time > 0.5:
|
||||
logger.warning(
|
||||
f"数据库更新操作耗时 {total_time:.3f}秒 (查询: {query_time - start_time:.3f}s, 保存: {save_time - query_time:.3f}s) person_id={p_id}, field={f_name}"
|
||||
)
|
||||
await session.commit()
|
||||
return True, False
|
||||
else:
|
||||
total_time = time.time() - start_time
|
||||
if total_time > 0.5:
|
||||
logger.warning(f"数据库查询操作耗时 {total_time:.3f}秒 person_id={p_id}, field={f_name}")
|
||||
return False, True
|
||||
except Exception as e:
|
||||
try:
|
||||
# 使用CRUD进行更新
|
||||
crud = CRUDBase(PersonInfo)
|
||||
record = await crud.get_by(person_id=p_id)
|
||||
query_time = time.time()
|
||||
|
||||
if record:
|
||||
# 更新记录
|
||||
await crud.update(record.id, {f_name: val_to_set})
|
||||
save_time = time.time()
|
||||
total_time = save_time - start_time
|
||||
|
||||
if total_time > 0.5:
|
||||
logger.warning(
|
||||
f"数据库更新操作耗时 {total_time:.3f}秒 (查询: {query_time - start_time:.3f}s, 保存: {save_time - query_time:.3f}s) person_id={p_id}, field={f_name}"
|
||||
)
|
||||
|
||||
# 使缓存失效
|
||||
from src.common.database.optimization.cache_manager import get_cache
|
||||
from src.common.database.utils.decorators import generate_cache_key
|
||||
cache = await get_cache()
|
||||
# 使相关缓存失效
|
||||
await cache.delete(generate_cache_key("person_value", p_id, f_name))
|
||||
await cache.delete(generate_cache_key("person_values", p_id))
|
||||
await cache.delete(generate_cache_key("person_has_field", p_id, f_name))
|
||||
|
||||
return True, False
|
||||
else:
|
||||
total_time = time.time() - start_time
|
||||
logger.error(f"数据库操作异常,耗时 {total_time:.3f}秒: {e}")
|
||||
raise
|
||||
if total_time > 0.5:
|
||||
logger.warning(f"数据库查询操作耗时 {total_time:.3f}秒 person_id={p_id}, field={f_name}")
|
||||
return False, True
|
||||
except Exception as e:
|
||||
total_time = time.time() - start_time
|
||||
logger.error(f"数据库操作异常,耗时 {total_time:.3f}秒: {e}")
|
||||
raise
|
||||
|
||||
found, needs_creation = await _db_update_async(person_id, field_name, processed_value)
|
||||
|
||||
@@ -691,24 +702,22 @@ class PersonInfoManager:
|
||||
await self._safe_create_person_info(person_id, creation_data)
|
||||
|
||||
@staticmethod
|
||||
@cached(ttl=300, key_prefix="person_has_field")
|
||||
async def has_one_field(person_id: str, field_name: str):
|
||||
"""判断是否存在某一个字段"""
|
||||
"""判断是否存在某一个字段(带5分钟缓存)"""
|
||||
# 获取 SQLAlchemy 模型的所有字段名
|
||||
model_fields = [column.name for column in PersonInfo.__table__.columns]
|
||||
if field_name not in model_fields:
|
||||
logger.debug(f"检查字段'{field_name}'失败,未在 PersonInfo SQLAlchemy 模型中定义。")
|
||||
return False
|
||||
|
||||
async def _db_has_field_async(p_id: str, f_name: str):
|
||||
async with get_db_session() as session:
|
||||
result = await session.execute(select(PersonInfo).where(PersonInfo.person_id == p_id))
|
||||
record = result.scalar()
|
||||
return bool(record)
|
||||
|
||||
try:
|
||||
return await _db_has_field_async(person_id, field_name)
|
||||
# 使用CRUD进行查询
|
||||
crud = CRUDBase(PersonInfo)
|
||||
record = await crud.get_by(person_id=person_id)
|
||||
return bool(record)
|
||||
except Exception as e:
|
||||
logger.error(f"检查字段 {field_name} for {person_id} 时出错 (SQLAlchemy): {e}")
|
||||
logger.error(f"检查字段 {field_name} for {person_id} 时出错: {e}")
|
||||
return False
|
||||
|
||||
@staticmethod
|
||||
@@ -881,15 +890,16 @@ class PersonInfoManager:
|
||||
logger.debug(f"删除失败:未找到 person_id={person_id} 或删除未影响行")
|
||||
|
||||
@staticmethod
|
||||
@cached(ttl=600, key_prefix="person_value")
|
||||
async def get_value(person_id: str, field_name: str) -> Any:
|
||||
"""获取单个字段值(同步版本)"""
|
||||
"""获取单个字段值(带10分钟缓存)"""
|
||||
if not person_id:
|
||||
logger.debug("get_value获取失败:person_id不能为空")
|
||||
return None
|
||||
|
||||
async with get_db_session() as session:
|
||||
result = await session.execute(select(PersonInfo).where(PersonInfo.person_id == person_id))
|
||||
record = result.scalar()
|
||||
# 使用CRUD进行查询
|
||||
crud = CRUDBase(PersonInfo)
|
||||
record = await crud.get_by(person_id=person_id)
|
||||
|
||||
model_fields = [column.name for column in PersonInfo.__table__.columns]
|
||||
|
||||
@@ -911,21 +921,18 @@ class PersonInfoManager:
|
||||
return copy.deepcopy(person_info_default.get(field_name))
|
||||
|
||||
@staticmethod
|
||||
@cached(ttl=600, key_prefix="person_values")
|
||||
async def get_values(person_id: str, field_names: list) -> dict:
|
||||
"""获取指定person_id文档的多个字段值,若不存在该字段,则返回该字段的全局默认值"""
|
||||
"""获取指定person_id文档的多个字段值(带10分钟缓存)"""
|
||||
if not person_id:
|
||||
logger.debug("get_values获取失败:person_id不能为空")
|
||||
return {}
|
||||
|
||||
result = {}
|
||||
|
||||
async def _db_get_record_async(p_id: str):
|
||||
async with get_db_session() as session:
|
||||
result = await session.execute(select(PersonInfo).where(PersonInfo.person_id == p_id))
|
||||
record = result.scalar()
|
||||
return record
|
||||
|
||||
record = await _db_get_record_async(person_id)
|
||||
# 使用CRUD进行查询
|
||||
crud = CRUDBase(PersonInfo)
|
||||
record = await crud.get_by(person_id=person_id)
|
||||
|
||||
# 获取 SQLAlchemy 模型的所有字段名
|
||||
model_fields = [column.name for column in PersonInfo.__table__.columns]
|
||||
|
||||
@@ -181,20 +181,27 @@ class RelationshipFetcher:
|
||||
|
||||
# 5. 从UserRelationships表获取完整关系信息(新系统)
|
||||
try:
|
||||
from src.common.database.compatibility import db_query
|
||||
from src.common.database.core.models import UserRelationships
|
||||
from src.common.database.api.specialized import get_user_relationship
|
||||
|
||||
# 查询用户关系数据(修复:添加 await)
|
||||
# 查询用户关系数据
|
||||
user_id = str(await person_info_manager.get_value(person_id, "user_id"))
|
||||
relationships = await db_query(
|
||||
UserRelationships,
|
||||
filters={"user_id": user_id},
|
||||
limit=1,
|
||||
platform = str(await person_info_manager.get_value(person_id, "platform"))
|
||||
|
||||
# 使用优化后的API(带缓存)
|
||||
relationship = await get_user_relationship(
|
||||
platform=platform,
|
||||
user_id=user_id,
|
||||
target_id="bot", # 或者根据实际需要传入目标用户ID
|
||||
)
|
||||
|
||||
if relationships:
|
||||
# db_query 返回字典列表,使用字典访问方式
|
||||
rel_data = relationships[0]
|
||||
if relationship:
|
||||
# 将SQLAlchemy对象转换为字典以保持兼容性
|
||||
rel_data = {
|
||||
"user_aliases": relationship.user_aliases,
|
||||
"relationship_text": relationship.relationship_text,
|
||||
"preference_keywords": relationship.preference_keywords,
|
||||
"relationship_score": relationship.affinity,
|
||||
}
|
||||
|
||||
# 5.1 用户别名
|
||||
if rel_data.get("user_aliases"):
|
||||
@@ -243,21 +250,27 @@ class RelationshipFetcher:
|
||||
str: 格式化后的聊天流印象字符串
|
||||
"""
|
||||
try:
|
||||
from src.common.database.compatibility import db_query
|
||||
from src.common.database.core.models import ChatStreams
|
||||
from src.common.database.api.specialized import get_or_create_chat_stream
|
||||
|
||||
# 查询聊天流数据
|
||||
streams = await db_query(
|
||||
ChatStreams,
|
||||
filters={"stream_id": stream_id},
|
||||
limit=1,
|
||||
# 使用优化后的API(带缓存)
|
||||
# 从stream_id解析platform,或使用默认值
|
||||
platform = stream_id.split("_")[0] if "_" in stream_id else "unknown"
|
||||
|
||||
stream, _ = await get_or_create_chat_stream(
|
||||
stream_id=stream_id,
|
||||
platform=platform,
|
||||
)
|
||||
|
||||
if not streams:
|
||||
if not stream:
|
||||
return ""
|
||||
|
||||
# db_query 返回字典列表,使用字典访问方式
|
||||
stream_data = streams[0]
|
||||
# 将SQLAlchemy对象转换为字典以保持兼容性
|
||||
stream_data = {
|
||||
"group_name": stream.group_name,
|
||||
"stream_impression_text": stream.stream_impression_text,
|
||||
"stream_chat_style": stream.stream_chat_style,
|
||||
"stream_topic_keywords": stream.stream_topic_keywords,
|
||||
}
|
||||
impression_parts = []
|
||||
|
||||
# 1. 聊天环境基本信息
|
||||
|
||||
Reference in New Issue
Block a user