log-center/app/database.py
2026-02-28 14:41:39 +08:00

64 lines
2.4 KiB
Python

from sqlmodel import SQLModel, create_engine
from sqlmodel.ext.asyncio.session import AsyncSession
from sqlalchemy.ext.asyncio import create_async_engine
from sqlalchemy.orm import sessionmaker
from sqlalchemy import text
import os
from dotenv import load_dotenv
load_dotenv()
DB_USER = os.getenv("DB_USER")
DB_PASSWORD = os.getenv("DB_PASSWORD")
DB_HOST = os.getenv("DB_HOST")
DB_PORT = os.getenv("DB_PORT", "5432")
DB_NAME = os.getenv("DB_NAME")
DATABASE_URL = f"postgresql+asyncpg://{DB_USER}:{DB_PASSWORD}@{DB_HOST}:{DB_PORT}/{DB_NAME}"
engine = create_async_engine(
DATABASE_URL,
echo=True,
future=True,
pool_pre_ping=True,
pool_recycle=300,
)
async def init_db():
async with engine.begin() as conn:
# await conn.run_sync(SQLModel.metadata.drop_all)
await conn.run_sync(SQLModel.metadata.create_all)
# Migrate: add new columns to existing repairtask table
migrations = [
"ALTER TABLE repairtask ADD COLUMN IF NOT EXISTS repair_round INTEGER DEFAULT 1",
"ALTER TABLE repairtask ADD COLUMN IF NOT EXISTS failure_reason TEXT",
# Log source support
"ALTER TABLE errorlog ADD COLUMN IF NOT EXISTS source VARCHAR(20) DEFAULT 'runtime'",
"ALTER TABLE errorlog ALTER COLUMN file_path DROP NOT NULL",
"ALTER TABLE errorlog ALTER COLUMN line_number DROP NOT NULL",
"CREATE INDEX IF NOT EXISTS ix_errorlog_source ON errorlog (source)",
# ErrorLog failure_reason
"ALTER TABLE errorlog ADD COLUMN IF NOT EXISTS failure_reason TEXT",
# Bug severity (1-10 AI评估等级)
"ALTER TABLE errorlog ADD COLUMN IF NOT EXISTS severity INTEGER",
"ALTER TABLE errorlog ADD COLUMN IF NOT EXISTS severity_reason TEXT",
# Seed Project table from existing ErrorLog data
"""INSERT INTO project (project_id, created_at, updated_at)
SELECT DISTINCT e.project_id, NOW(), NOW()
FROM errorlog e
WHERE NOT EXISTS (SELECT 1 FROM project p WHERE p.project_id = e.project_id)""",
]
for sql in migrations:
try:
await conn.execute(text(sql))
except Exception:
pass # Already applied
async def get_session() -> AsyncSession:
async_session = sessionmaker(
engine, class_=AsyncSession, expire_on_commit=False
)
async with async_session() as session:
yield session