utp_service/backend/app/services/database.py
2026-05-06 09:52:08 +03:00

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import logging
from sqlalchemy.ext.asyncio import AsyncSession, async_sessionmaker, create_async_engine
from app.config import settings
engine = create_async_engine(
settings.DATABASE_URL,
#echo=settings.DEBUG,
echo=False,
pool_pre_ping=True,
pool_size=settings.DATABASE_POOL_SIZE,
max_overflow=settings.DATABASE_MAX_OVERFLOW,
pool_timeout=settings.DATABASE_POOL_TIMEOUT,
)
# Отдельный пул для фонового монитора — не конкурирует с HTTP-запросами
monitor_engine = create_async_engine(
settings.DATABASE_URL,
echo=False,
pool_pre_ping=True,
pool_size=3,
max_overflow=2,
pool_timeout=60,
)
#if not settings.SQLALCHEMY_LOG:
# for _log_name in ("sqlalchemy.engine", "sqlalchemy.pool", "sqlalchemy.dialects", "sqlalchemy.orm"):
# logging.getLogger(_log_name).setLevel(logging.WARNING)
if not settings.SQLALCHEMY_LOG:
for name in (
"sqlalchemy.engine",
"sqlalchemy.pool",
"sqlalchemy.dialects",
"sqlalchemy.orm",
):
logger = logging.getLogger(name)
logger.setLevel(logging.ERROR)
logger.propagate = False
AsyncSessionLocal = async_sessionmaker(
bind=engine,
class_=AsyncSession,
expire_on_commit=False,
autoflush=False,
)
MonitorSessionLocal = async_sessionmaker(
bind=monitor_engine,
class_=AsyncSession,
expire_on_commit=False,
autoflush=False,
)