[AMORO-2223]Cast empty partition data to NULL to avoid creating empty partition directory. #2224
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Because Iceberg RollingFileWriter determines the path to create based on whether partition data is empty, it leads to the creation of empty partition paths. |
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ShawHee
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Dec 29, 2023
… partition directory. (apache#2224) * Cast empty partition data to NULL to avoid creating empty partition directory * fix some warnings * add some todo comment
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Why are the changes needed?
Close #2223.
Brief change log
How was this patch tested?
Add some test cases that check the changes thoroughly including negative and positive cases if possible
Add screenshots for manual tests if appropriate
Run test locally before making a pull request
Documentation