请问在使用 Torndb 时如何捕获 mysql 的具体错误？ - V2EX
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请问在使用 Torndb 时如何捕获 mysql 的具体错误？

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  •   Plumes May 25, 2014 5368 views
    This topic created in 4372 days ago, the information mentioned may be changed or developed.
    举个例子：
    想实现用户的注册功能，用户名唯一，直接 INSERT 得到的用户名和密码，当捕获到 "Duplicate entry" 错误时返回用户名重复消息。
    但是发现 torndb 返回的消息为 IntergrityError: (1062, "Duplicate entry ...") 这样的，请问怎样能捕获到 "Duplicate entry" 这个错误，而不只是捕获到 IntergrityError?
    或者有更优雅的方式实现？
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    1 replies    2014-05-25 19:44:27 +08:00
    dbow
        1
    dbow  
       May 25, 2014
    不懂torndb，只是Duplicate entry看起来是IntergrityError的一种，如果想只针对Duplicate entry可以用
    try:
    ....
    except IntergrityError as e:
    if 1062 not in e.args:
    raise e
    //your code
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