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11 lines
454 B
11 lines
454 B
from sqlalchemy.ext.asyncio import create_async_engine, async_sessionmaker, AsyncSession
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from .config import DATABASE_URL
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engine = create_async_engine(DATABASE_URL, echo=False, pool_pre_ping=True)
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SessionLocal = async_sessionmaker(engine, expire_on_commit=False, class_=AsyncSession)
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async def get_db() -> AsyncSession:
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"""获取一个异步数据库会话，用于依赖注入。"""
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async with SessionLocal() as session:
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yield session
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