Files
service-finder/backend/app/db/session.py
2026-03-22 11:02:05 +00:00

41 lines
1.2 KiB
Python
Executable File

# /opt/docker/dev/service_finder/backend/app/db/session.py
from sqlalchemy.ext.asyncio import create_async_engine, AsyncSession, async_sessionmaker
from app.core.config import settings
from typing import AsyncGenerator
engine = create_async_engine(
settings.DATABASE_URL,
echo=False,
future=True,
pool_size=30, # A robotok száma miatt
max_overflow=20,
pool_pre_ping=True,
pool_reset_on_return='rollback'
)
AsyncSessionLocal = async_sessionmaker(
engine,
class_=AsyncSession,
expire_on_commit=False,
autoflush=False
)
async def get_db() -> AsyncGenerator[AsyncSession, None]:
async with AsyncSessionLocal() as session:
# Start with a clean transaction state by rolling back any failed transaction
try:
await session.rollback()
except Exception:
# If rollback fails, it's probably because there's no transaction
# This is fine, just continue
pass
try:
yield session
except Exception:
# If any exception occurs, rollback the transaction
await session.rollback()
raise
finally:
# Ensure session is closed
await session.close()