[SPARK-46161][PS] Add axis=1 support for DataFrame.diff#54516
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devin-petersohn wants to merge 1 commit intoapache:masterfrom
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[SPARK-46161][PS] Add axis=1 support for DataFrame.diff#54516devin-petersohn wants to merge 1 commit intoapache:masterfrom
devin-petersohn wants to merge 1 commit intoapache:masterfrom
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Co-authored-by: Devin Petersohn <devin.petersohn@snowflake.com> Signed-off-by: Devin Petersohn <devin.petersohn@gmail.com>
holdenk
approved these changes
Feb 27, 2026
| DataFrame (default is the element in the same column of the previous row). | ||
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| .. note:: the current implementation of diff uses Spark's Window without | ||
| .. note:: When ``axis=0``, the current implementation of diff uses Spark's Window without |
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nit: but this seems like we should file a JIRA for this and fix it in a follow up.
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What changes were proposed in this pull request?
Implement column-wise differencing for
DataFrame.diff(axis=1).Why are the changes needed?
It is a missing pandas API parameter.
Does this PR introduce any user-facing change?
Yes,
DataFrame.diff(axis=1)now works.How was this patch tested?
CI
Was this patch authored or co-authored using generative AI tooling?
Co-authored-by: Claude Opus 4