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ab4523b556
* fix(session): enhance database connection settings with pool pre-ping and recycle options * feat(metadata): add export type settings and enhance metadata structure * fix(base_op): improve sample handling by introducing target_type key and consolidating text/data retrieval logic * feat(metadata): add export type settings and enhance metadata structure * feat(metadata): add export type settings and enhance metadata structure
34 lines
884 B
Python
34 lines
884 B
Python
from sqlalchemy.ext.asyncio import AsyncSession, create_async_engine, async_sessionmaker
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from sqlalchemy.orm import declarative_base
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from app.core.config import settings
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from app.core.logging import get_logger
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from typing import AsyncGenerator
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logger = get_logger(__name__)
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# 创建数据库引擎
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engine = create_async_engine(
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settings.database_url,
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echo=False, # 关闭SQL调试日志以减少输出
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future=True,
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pool_pre_ping=True,
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pool_recycle=3600
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)
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# 创建会话工厂
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AsyncSessionLocal = async_sessionmaker(
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engine,
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class_=AsyncSession,
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expire_on_commit=False
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)
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# 创建基础模型类
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Base = declarative_base()
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async def get_db() -> AsyncGenerator[AsyncSession, None]:
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"""获取数据库会话"""
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async with AsyncSessionLocal() as session:
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try:
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yield session
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finally:
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await session.close()
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