[SPARK-41280][CONNECT] Implement DataFrame.tail#38814
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### What changes were proposed in this pull request? This PR implements DataFrame.tail which is different from limit as tail fetches from the last of the dataset which implies tail respects ordering. ### Why are the changes needed? API coverage. ### Does this PR introduce _any_ user-facing change? NO ### How was this patch tested? UT Closes apache#38814 from amaliujia/tail. Authored-by: Rui Wang <rui.wang@databricks.com> Signed-off-by: Hyukjin Kwon <gurwls223@apache.org>
beliefer
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### What changes were proposed in this pull request? This PR implements DataFrame.tail which is different from limit as tail fetches from the last of the dataset which implies tail respects ordering. ### Why are the changes needed? API coverage. ### Does this PR introduce _any_ user-facing change? NO ### How was this patch tested? UT Closes apache#38814 from amaliujia/tail. Authored-by: Rui Wang <rui.wang@databricks.com> Signed-off-by: Hyukjin Kwon <gurwls223@apache.org>
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What changes were proposed in this pull request?
This PR implements DataFrame.tail which is different from limit as tail fetches from the last of the dataset which implies tail respects ordering.
Why are the changes needed?
API coverage.
Does this PR introduce any user-facing change?
NO
How was this patch tested?
UT