18 lines
512 B
Python
18 lines
512 B
Python
"""异步 SQLAlchemy 引擎 + session 工厂。"""
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from sqlalchemy.ext.asyncio import create_async_engine, async_sessionmaker, AsyncSession
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from sqlalchemy.orm import DeclarativeBase
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from app.config import settings
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engine = create_async_engine(settings.database_url, echo=False)
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async_session = async_sessionmaker(engine, class_=AsyncSession, expire_on_commit=False)
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class Base(DeclarativeBase):
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pass
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async def get_db() -> AsyncSession:
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async with async_session() as session:
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yield session
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