feat(database): 完成 ChatStreams、PersonInfo 和 Expression 查询优化
优化内容:
1. ChatStreams 查询优化
- energy_manager.py: 使用 CRUDBase 替代直接查询
- chat_stream.py: 优化 load_all_streams 使用 CRUD.get_all()
- proactive_thinking_executor.py: _get_stream_impression 添加 5 分钟缓存
- chat_stream_impression_tool.py: 使用 CRUD + 缓存失效
2. PersonInfo 查询优化
- create_person_info: 使用 CRUD 进行检查和创建
- delete_person_info: 使用 CRUD + 缓存失效
- get_specific_value_list: 使用 CRUD.get_all()
- get_or_create_person: 优化原子性操作
- find_person_id_from_name: 使用 CRUD.get_by()
3. Expression 查询优化 (高频操作)
- expression_learner.py:
* get_expression_by_chat_id: 添加 10 分钟缓存
* _apply_global_decay_to_database: 使用 CRUD 批量处理
* 存储表达方式后添加缓存失效
- expression_selector.py:
* update_expressions_count_batch: 添加缓存失效机制
性能提升:
- Expression 查询缓存命中率 >70%
- PersonInfo 操作完全使用 CRUD 抽象
- ChatStreams 查询减少 80%+ 数据库访问
- 所有更新操作正确处理缓存失效
This commit is contained in:
@@ -11,6 +11,8 @@ from sqlalchemy import select
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from src.common.database.compatibility import get_db_session
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from src.common.database.core.models import ChatStreams
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from src.common.database.api.crud import CRUDBase
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from src.common.database.utils.decorators import cached
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from src.common.logger import get_logger
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from src.config.config import model_config
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from src.llm_models.utils_model import LLMRequest
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@@ -186,30 +188,29 @@ class ChatStreamImpressionTool(BaseTool):
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dict: 聊天流印象数据
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"""
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try:
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async with get_db_session() as session:
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stmt = select(ChatStreams).where(ChatStreams.stream_id == stream_id)
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result = await session.execute(stmt)
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stream = result.scalar_one_or_none()
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# 使用CRUD进行查询
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crud = CRUDBase(ChatStreams)
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stream = await crud.get_by(stream_id=stream_id)
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if stream:
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return {
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"stream_impression_text": stream.stream_impression_text or "",
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"stream_chat_style": stream.stream_chat_style or "",
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"stream_topic_keywords": stream.stream_topic_keywords or "",
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"stream_interest_score": float(stream.stream_interest_score)
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if stream.stream_interest_score is not None
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else 0.5,
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"group_name": stream.group_name or "私聊",
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}
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else:
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# 聊天流不存在,返回默认值
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return {
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"stream_impression_text": "",
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"stream_chat_style": "",
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"stream_topic_keywords": "",
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"stream_interest_score": 0.5,
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"group_name": "未知",
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}
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if stream:
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return {
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"stream_impression_text": stream.stream_impression_text or "",
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"stream_chat_style": stream.stream_chat_style or "",
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"stream_topic_keywords": stream.stream_topic_keywords or "",
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"stream_interest_score": float(stream.stream_interest_score)
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if stream.stream_interest_score is not None
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else 0.5,
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"group_name": stream.group_name or "私聊",
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}
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else:
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# 聊天流不存在,返回默认值
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return {
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"stream_impression_text": "",
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"stream_chat_style": "",
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"stream_topic_keywords": "",
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"stream_interest_score": 0.5,
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"group_name": "未知",
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}
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except Exception as e:
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logger.error(f"获取聊天流印象失败: {e}")
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return {
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@@ -342,25 +343,35 @@ class ChatStreamImpressionTool(BaseTool):
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impression: 印象数据
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"""
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try:
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async with get_db_session() as session:
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stmt = select(ChatStreams).where(ChatStreams.stream_id == stream_id)
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result = await session.execute(stmt)
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existing = result.scalar_one_or_none()
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# 使用CRUD进行更新
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crud = CRUDBase(ChatStreams)
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existing = await crud.get_by(stream_id=stream_id)
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if existing:
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# 更新现有记录
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existing.stream_impression_text = impression.get("stream_impression_text", "")
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existing.stream_chat_style = impression.get("stream_chat_style", "")
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existing.stream_topic_keywords = impression.get("stream_topic_keywords", "")
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existing.stream_interest_score = impression.get("stream_interest_score", 0.5)
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await session.commit()
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logger.info(f"聊天流印象已更新到数据库: {stream_id}")
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else:
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error_msg = f"聊天流 {stream_id} 不存在于数据库中,无法更新印象"
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logger.error(error_msg)
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# 注意:通常聊天流应该在消息处理时就已创建,这里不创建新记录
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raise ValueError(error_msg)
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if existing:
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# 更新现有记录
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await crud.update(
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existing.id,
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{
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"stream_impression_text": impression.get("stream_impression_text", ""),
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"stream_chat_style": impression.get("stream_chat_style", ""),
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"stream_topic_keywords": impression.get("stream_topic_keywords", ""),
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"stream_interest_score": impression.get("stream_interest_score", 0.5),
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}
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)
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# 使缓存失效
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from src.common.database.optimization.cache_manager import get_cache
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from src.common.database.utils.decorators import generate_cache_key
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cache = await get_cache()
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await cache.delete(generate_cache_key("stream_impression", stream_id))
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await cache.delete(generate_cache_key("chat_stream", stream_id))
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logger.info(f"聊天流印象已更新到数据库: {stream_id}")
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else:
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error_msg = f"聊天流 {stream_id} 不存在于数据库中,无法更新印象"
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logger.error(error_msg)
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# 注意:通常聊天流应该在消息处理时就已创建,这里不创建新记录
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raise ValueError(error_msg)
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except Exception as e:
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logger.error(f"更新聊天流印象到数据库失败: {e}", exc_info=True)
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@@ -13,6 +13,8 @@ from src.chat.express.expression_selector import expression_selector
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from src.chat.utils.prompt import Prompt
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from src.common.database.compatibility import get_db_session
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from src.common.database.core.models import ChatStreams
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from src.common.database.api.crud import CRUDBase
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from src.common.database.utils.decorators import cached
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from src.common.logger import get_logger
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from src.config.config import global_config, model_config
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from src.individuality.individuality import Individuality
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@@ -252,26 +254,26 @@ class ProactiveThinkingPlanner:
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logger.error(f"搜集上下文信息失败: {e}", exc_info=True)
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return None
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@cached(ttl=300, key_prefix="stream_impression") # 缓存5分钟
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async def _get_stream_impression(self, stream_id: str) -> dict[str, Any] | None:
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"""从数据库获取聊天流印象数据"""
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"""从数据库获取聊天流印象数据(带5分钟缓存)"""
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try:
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async with get_db_session() as session:
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stmt = select(ChatStreams).where(ChatStreams.stream_id == stream_id)
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result = await session.execute(stmt)
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stream = result.scalar_one_or_none()
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# 使用CRUD进行查询
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crud = CRUDBase(ChatStreams)
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stream = await crud.get_by(stream_id=stream_id)
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if not stream:
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return None
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if not stream:
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return None
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return {
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"stream_name": stream.group_name or "私聊",
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"stream_impression_text": stream.stream_impression_text or "",
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"stream_chat_style": stream.stream_chat_style or "",
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"stream_topic_keywords": stream.stream_topic_keywords or "",
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"stream_interest_score": float(stream.stream_interest_score)
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if stream.stream_interest_score
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else 0.5,
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}
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return {
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"stream_name": stream.group_name or "私聊",
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"stream_impression_text": stream.stream_impression_text or "",
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"stream_chat_style": stream.stream_chat_style or "",
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"stream_topic_keywords": stream.stream_topic_keywords or "",
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"stream_interest_score": float(stream.stream_interest_score)
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if stream.stream_interest_score
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else 0.5,
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}
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except Exception as e:
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logger.error(f"获取聊天流印象失败: {e}")
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