如何提取MySQLbinlog中指定表的操作记录-创新互联

小编给大家分享一下如何提取MySQL  binlog中指定表的操作记录，希望大家阅读完这篇文章之后都有所收获，下面让我们一起去探讨吧！

一段简单的Python脚本，需要本地装了合适版本的mysqlbinlog工具。
支持Python 2.7+

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1. #_*_ coding:utf-8 _*_

3. import sys

4. import os

5. import io

7. binlogfile = sys.argv[1]

8. database_name = sys.argv[2]

9. table_name = sys.argv[3]

11. def format_binlog():

12.     os.system('mysqlbinlog --base64-output=decode-rows -v '+binlogfile+'>'+binlogfile+'.txt')

14. def pickupbinlog():

15.     f = io.open(binlogfile+'.txt','r')

16.     fw = io.open(database_name+'_'+table_name+'.txt','a')

17.     priv_str = ''

18.     priv_line = ''

19.     goal_flag = 0

20.     for row in f:

21.         # 处理首行

22.         if row[0:3] == '###' and priv_str != '###':

23.             if database_name in row and table_name in row:

24.                 goal_flag = 1

25.                 fw.write(priv_line)

26.                 fw.write(row)

27.         # 处理末行

28.         if row[0:3] != '###' and priv_str == '###':

29.             goal_flag = 0

30.         # 处理目标操作

31.         if row[0:3] == '###' and priv_str == '###' and goal_flag == 1:

32.             fw.write(row)

33.         priv_str = row[0:3]

34.         priv_line = row

35.     f.close()

36.     fw.close()

38. if __name__ == '__main__':

39.     # python2.7 pickupbinlog.py mysql-bin.001051 dbname tablename

40.     # python3 pickupbinlog.py mysql-bin.001051 dbname tablename

41.     format_binlog()

42.     pickupbinlog()

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