python之数据库表迁移

 1 #!/usr/local/bin/python3.5
 2 #coding:utf-8
 3 import pymysql
 4 import datetime
 5 Host = ‘xxxxxxxx‘
 6 User = ‘xxxxxx‘
 7 Pass = ‘xxxxxx‘
 8 Db = ‘xxxxxxx‘
 9  
10 db = pymysql.connect(Host, User, Pass, Db)
11 cursor = db.cursor()
12 sql = ‘‘‘
13 xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
14 xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx15 
16 xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
17 
18 
19 xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx21 xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx;   
22 
23 ‘‘‘
24 try:
25     starttime = datetime.datetime.now() 
26     cursor.execute(sql)
27     db.commit()
28     endtime = datetime.datetime.now()
29     print(u"执行成功......\n共运行：", (endtime - starttime).seconds, ‘s‘)
30 except Exception as e:
31     print(e)
32     db.rollback()
33     
34 db.close()