Github user barrenlake commented on the issue: https://github.com/apache/spark/pull/20975 @HyukjinKwon Oh yes, you are right. This problem was encountered when I added the small file merge function to the Hive module. When I used select count(1) to count the merge result file, I found that the number of wholetext lines was inconsistent with the original. So I submitted this issue. I didn't realize that I would use a private object until I saw you reply. I apologize for taking up your valuable time and offer my heartfelt thanks to you.
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