Files
DataMate/runtime/datamate-python/app/db/session.py

32 lines
837 B
Python

from sqlalchemy.ext.asyncio import AsyncSession, create_async_engine, async_sessionmaker
from sqlalchemy.orm import declarative_base
from app.core.config import settings
from app.core.logging import get_logger
from typing import AsyncGenerator
logger = get_logger(__name__)
# 创建数据库引擎
engine = create_async_engine(
settings.database_url,
echo=False, # 关闭SQL调试日志以减少输出
future=True
)
# 创建会话工厂
AsyncSessionLocal = async_sessionmaker(
engine,
class_=AsyncSession,
expire_on_commit=False
)
# 创建基础模型类
Base = declarative_base()
async def get_db() -> AsyncGenerator[AsyncSession, None]:
"""获取数据库会话"""
async with AsyncSessionLocal() as session:
try:
yield session
finally:
await session.close()