Python脚本: fromutilsimportget_sessionfromsqlalchemyimportTable, MetaData, Column, INTEGER, VARCHARfromsqlalchemy.ormimportmapperclassMytable:def__init__(self, primary_id=None, uname=None):self.primary_id = primary_id self.uname = uname mytable = Table('mytable', MetaData(), Column('primary_...
from sqlalchemy import create_engine engine = create_engine("mysql+pymysql://root:123@127.0.0.1:3306/t1", max_overflow=5) # 执行SQL # cur = engine.execute( # "INSERT INTO hosts (host, color_id) VALUES ('1.1.1.22', 3)" # ) # 新插入行自增ID # cur.lastrowid # 执行SQL # cur ...
engine= create_engine("mysql+pymysql://root:xiaoming.note5@115.159.193.77:3306/school?charset=utf8", max_overflow=5)#执行SQLcur =engine.execute("insert into user (name, password) values('lihy', 'lihy')")#新插入行自增IDcur.lastrowid#执行SQLcur =engine.execute("insert into user(name, ...
String, create_engine from sqlalchemy.ext.declarative import declarative_base from sqlalchemy.orm import sessionmaker engine = create_engine("mysql+pymysql://root:root@127.0.0.1:3306/dbtest?charset=utf8", max_overflow=5) Base = declarative_base() class User(Base): # 表的名字: __tablename_...
可以获取到最新自增的ID,也就是最后插入的一条数据ID #!/usr/bin/env python # -*- coding:utf-8 -*- import pymysql conn = pymysql.connect(host='127.0.0.1', port=3306, user='root', passwd='123', db='t1') cursor = conn.cursor() ...
install Flask-SQLAlchemyfromflask_sqlalchemyimportSQLAlchemy#声明一个User模型classUser(db.Model):id=...
"row：".format(row.__dict__))"""添加成功,id:10104row: {'_sa_instance_state': <sqlalchemy...
{'age': 400, 'id': 3, 'name': '芙兰朵露', 'place': '红魔馆'}] """ loop = asyncio.get_event_loop loop.run_until_complete(main) loop.close 除了fetchone、fetchall 之外,还有一个 fetchmany,可以获取指定记录的条数。 importasyncio ...
SQLAlchemy是一个基于Python的ORM框架。该框架是建立在DB-API之上,使用关系对象映射进行数据库操作。 简而言之就是,将类和对象转换成SQL,然后使用数据API执行SQL并获取执行结果。 补充:什么是DB-API ? 是Python的数据库接口规范。 在没有DB-API之前,各数据库之间的应用接口非常混乱,实现各不相同, ...
1、执行SQL #!/usr/bin/env python # -*- coding:utf-8 -*- import pymysql # 创建连接 conn = pymysql.connect(host='127.0.0.1', port=3306, user='root', passwd='123456', db='jiangjj') # 创建游标 cursor = conn.cursor() # 执行SQL,并返回收影响行数 ...