rdblue commented on issue #483: Conversions#fromPartitionString() could not convert String of timestamp-like format to Integer URL: https://github.com/apache/incubator-iceberg/issues/483#issuecomment-533239111 @chenjunjiedada, the format here is what Iceberg produces for an hour partition value. Iceberg internally stores the values as the number of hours from 1970-01-01 hour 0, but that's not user-friendly. So it gets converted to YYYY-MM-DD-HH in the partition path. The problem is that Iceberg does not _parse_ these values because creating a file path is a one-way conversion. To delete these files, you can pass the file path directly to `DeleteFiles`, or you can get a `DataFile` instance from `FindFiles` and pass that. You could also come up with a way to parse these hour values, but we don't recommend doing this in general because of string escaping issues. That's why Iceberg considers the conversion one-way.
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