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mysql中case条件中case when 1 then xxx 与 case when a>0的结果不一样的疑惑

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Release： 2016-06-06 09:43:31
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mysqlcase

详细描述如：http://blog.csdn.net/seven_cm/article/details/41527505
结果集只有1和0，为什么结果是不一样的？

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mysql case
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