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format_data['before'] = format_data['after'] = dict()这句表示format_data['before']与format_data['after'] 指向的是同一个地址,修改format_data['before']时format_data['after'] 也会被修改,最终导致无法在mysql row模式下同时取到update前后的数据取值。 建议把第41行修改为: format_data['before'] = dict() format_data['after'] = dict()
The text was updated successfully, but these errors were encountered:
确实是这样
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format_data['before'] = format_data['after'] = dict()这句表示format_data['before']与format_data['after'] 指向的是同一个地址,修改format_data['before']时format_data['after'] 也会被修改,最终导致无法在mysql row模式下同时取到update前后的数据取值。
建议把第41行修改为:
format_data['before'] = dict()
format_data['after'] = dict()
The text was updated successfully, but these errors were encountered: