Files
stock/backend/app/core/database.py
2026-06-11 01:41:47 +08:00

38 lines
835 B
Python

from sqlalchemy.ext.asyncio import create_async_engine, AsyncSession, async_sessionmaker
from sqlalchemy.orm import DeclarativeBase
from app.core.config import settings
engine = create_async_engine(
settings.DATABASE_URL,
echo=settings.DEBUG,
pool_pre_ping=True,
pool_size=10,
max_overflow=20,
)
AsyncSessionLocal = async_sessionmaker(
bind=engine,
class_=AsyncSession,
expire_on_commit=False,
)
class Base(DeclarativeBase):
pass
async def get_db() -> AsyncSession:
async with AsyncSessionLocal() as session:
try:
yield session
await session.commit()
except Exception:
await session.rollback()
raise
async def init_db() -> None:
async with engine.begin() as conn:
await conn.run_sync(Base.metadata.create_all)