提取MySQL binlog中指定表的操作記錄

舊夢依稀發表於2017-05-15
MySql
一段簡單的Python指令碼，需要本地裝了合適版本的mysqlbinlog工具。
支援Python 2.7+



點選(此處)摺疊或開啟

  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.         # 處理首行
  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.         # 處理末行
  28.         if row[0:3] != '###' and priv_str == '###':
  29.             goal_flag = 0
  30.         # 處理目標操作
  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()


來自 “ ITPUB部落格 ” ，連結：http://blog.itpub.net/28998293/viewspace-2139079/，如需轉載，請註明出處，否則將追究法律責任。

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