易用mysql(kb)
easy-sql的Python项目详细描述
易于使用的pythonsql(首先针对kb mysql)
基于SQLAlchemy
快速入门
Installation:pip install easy\u sql
1.配置
编辑配置/conf.yml公司在
mysql: # mysql config url: mysql://root:password@127.0.0.1:3306/db # mysql server encoding: utf-8 pool_size: 5 # pool size echo: false # echo sql while executing
2.演示mysql
表演示:
^{pr2}$mysql演示:
""" demo: using EasyMySQLBase """ import datetime from sqlalchemy import Column, Integer, String, DateTime, or_ from easy_sql.easy_mysql_dao_base import EasyMySQLDAOBase from easy_sql.easy_util import EasyMySQLUtil # required EasyMySQLUtil.init('../conf/conf.yml') class Demo(EasyMySQLUtil.map_base): __tablename__ = 'demo' id = Column(Integer, primary_key=True) name = Column(String(255)) data = Column(String(255)) time = Column(DateTime()) # Demo DAO: to operate table 'demo' class DemoDAO(EasyMySQLDAOBase): def __init__(self): # required EasyMySQLDAOBase.__init__(self, Demo) def curd_example(): """ EasyMySQLUtil CURD :return: """ demo_dao = DemoDAO() demo = Demo() demo.name = 'test' demo.data = '{}' demo.time = datetime.datetime.now() # create result = demo_dao.add(demo) print('MySQLUtil create', result.__dict__) # retrieve data_list = demo_dao.find_all(or_(Demo.name == 'ksust', Demo.id >= 40)) print('MySQLUtil retrieve or_') for data in data_list: print(data.__dict__) data = demo_dao.find_one(Demo.name == 'yg', Demo.id > 40) print('MySQLUtil retrieve and_ -> one') print(data.__dict__) # update result = demo_dao.update(Demo.name == 'yg', time=datetime.datetime.now()) print('MySQLUtil update', result) # delete result = demo_dao.delete(Demo.name == 'test') print('MySQLUtil delete', result) def session_example(): # select demo_dao = DemoDAO() cursor = demo_dao.session.execute('select * from demo') result = cursor.fetchall() print('session_example', result) if __name__ == '__main__': curd_example() session_example()
3.演示mysql util
""" demo: using EasyMySQLUtil to CURD operation """ import datetime from sqlalchemy import Column, Integer, String, DateTime, or_ from easy_sql.easy_util import EasyMySQLUtil # required EasyMySQLUtil.init('../conf/conf.yml') class Demo(EasyMySQLUtil.map_base): __tablename__ = 'demo' id = Column(Integer, primary_key=True) name = Column(String(255)) data = Column(String(255)) time = Column(DateTime()) def curd_example(): """ EasyMySQLUtil CURD :return: """ demo = Demo() demo.name = 'test' demo.data = '{}' demo.time = datetime.datetime.now() # create result = EasyMySQLUtil.add(demo) print('MySQLUtil create', result.__dict__) # retrieve data_list = EasyMySQLUtil.find_all(Demo, or_(Demo.name == 'ksust', Demo.id >= 40)) print('MySQLUtil retrieve or_') for data in data_list: print(data.__dict__) data = EasyMySQLUtil.find_one(Demo, Demo.name == 'yg', Demo.id > 40) print('MySQLUtil retrieve and_ -> one') print(data.__dict__) # update result = EasyMySQLUtil.update(Demo, Demo.name == 'yg', time=datetime.datetime.now()) print('MySQLUtil update', result) # delete result = EasyMySQLUtil.delete(Demo, Demo.name == 'test') print('MySQLUtil delete', result) def session_example(): # select cursor = EasyMySQLUtil.session.execute('select * from demo') result = cursor.fetchall() print('session_example', result) if __name__ == '__main__': curd_example() session_example()
- 项目
标签: