wuwenchi commented on PR #6365:
URL: https://github.com/apache/hudi/pull/6365#issuecomment-1212762448

   @danny0405   The current partition key is stored in `partSpec`. If it is a 
partition key, the partition value can be used directly without reading the 
underlying data file. But when timestamp is used as the partition key, the 
partition value is not the real value, because the partition value is converted 
according to the real value, such as `yyyy-mm-dd`. So, it is necessary to 
remove the timestamp type in the `partSpec`.


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