_mysql_exceptions.IntegrityError: (1062, "Duplicate entry 'CVE-2001-0358-half:[u'1573']' for key问题

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python向mysql写数据出现1062错误的时候：

Traceback (most recent call last):
  File "G:/workspace/Vulnerability_Database/Information_Extraction.py", line 315, in <module>
    info_extraction(fileContent)
  File "G:/workspace/Vulnerability_Database/Information_Extraction.py", line 53, in info_extraction
    affects_vendor(cve_item, cve_id)
  File "G:/workspace/Vulnerability_Database/Information_Extraction.py", line 167, in affects_vendor
    connect_mysql.operate(affects_insert)
  File "G:\workspace\Vulnerability_Database\mysql_Connect.py", line 22, in operate
    cursor.execute(sql_operate)
  File "D:\software\python27\lib\site-packages\MySQLdb\cursors.py", line 205, in execute
    self.errorhandler(self, exc, value)
  File "D:\software\python27\lib\site-packages\MySQLdb\connections.py", line 36, in defaulterrorhandler
    raise errorclass, errorvalue
_mysql_exceptions.IntegrityError: (1062, "Duplicate entry 'CVE-2001-0358-half-life:[u'1573']' for key 'PRIMARY'")

Process finished with exit code 1

这个问题在于设置的主键的值并不是唯一的。会造成数据存储上 出错。