27 lines
587 B
Python
27 lines
587 B
Python
from sqlalchemy.ext.asyncio import create_async_engine, AsyncSession
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from sqlalchemy.orm import sessionmaker
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from config import postgres_settings
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# 创建异步数据库引擎
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engine = create_async_engine(
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postgres_settings.url,
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echo=False,
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future=True
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)
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# 创建异步会话工厂
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AsyncSessionLocal = 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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async def get_db():
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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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