refactor(#9): 移除类 DatabaseOperationMixin 中不再需要的事务相关方法。 #68

	name: Python package

	on: [push]

	jobs:
	build:

	runs-on: ubuntu-latest
	container: python:3.8

	services:
	mysql:
	image: mysql:5.7
	env:
	MYSQL_ROOT_PASSWORD: root
	ports:
	- 3306
	options: --health-cmd="mysqladmin ping" --health-interval=10s --health-timeout=5s --health-retries=3
	redis:
	image: redis
	ports:
	- 6379/tcp

	steps:
	- uses: actions/checkout@v2
	- name: Set up Python ${{ matrix.python-version }}
	uses: actions/setup-python@v2
	with:
	python-version: ${{ matrix.python-version }}
	- name: Install dependencies
	run: \|
	python -m pip install --upgrade pip
	pip install flake8 pytest
	python setup.py install
	- name: Lint with flake8
	run: \|
	# stop the build if there are Python syntax errors or undefined names
	flake8 . --count --select=E9,F63,F7,F82 --show-source --statistics
	# exit-zero treats all errors as warnings. The GitHub editor is 127 chars wide
	flake8 . --count --exit-zero --max-complexity=10 --max-line-length=127 --statistics
	- name: Test with pytest
	run: \|
	apt-get update -y
	apt-get install -y default-mysql-client
	mysql --host mysql --port 3306 -u root -proot -e 'CREATE DATABASE nest_unittest CHARACTER SET utf8mb4'
	mysql --host mysql --port 3306 -u root -proot nest_unittest < ./nest/repository/DDL/init_nest.sql
	MODE=unittest pytest -ra -s -x

Provide feedback