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先把mySQL的数据下载下来,保存在csv,然后再用csv的数据去用Pandas匹配,这样得到的数据跟最初的数据不太一样,不知道什么原因。现在去掉保存csv这个步骤,数据就能匹配得上了 。
建议1:
从table往csv, xlsx转化的时候会损失一些信息,用pickle序列化就很少有这个问题
Q:在这个问题里具体损失了什么信息。
建议2:
The text was updated successfully, but these errors were encountered:
Q:在这个问题里具体损失了什么信息 打开Csv时显示DtypeWarning: Columns (0,3,4,8,10,11,19) have mixed types. 有一些乱码和重复值,去掉这部分以后剩下的数据应该和SQL里是一样的。但是id里面既有int也有str,我当时没发现这一点,所以导致很多数据没匹配上。
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先把mySQL的数据下载下来,保存在csv,然后再用csv的数据去用Pandas匹配,这样得到的数据跟最初的数据不太一样,不知道什么原因。现在去掉保存csv这个步骤,数据就能匹配得上了
。
建议1:
从table往csv, xlsx转化的时候会损失一些信息,用pickle序列化就很少有这个问题
Q:在这个问题里具体损失了什么信息。
建议2:
The text was updated successfully, but these errors were encountered: