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Check null count too in sum aggregation #17964

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Check null count too in sum aggregation #17964

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Matt711
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@Matt711 Matt711 commented Feb 9, 2025

Description

Closes #17963. We should also check the null count when doing a sum aggregation to match polars.

Also adds size and null_count directly to cudf.polars Column class.

Checklist

  • I am familiar with the Contributing Guidelines.
  • New or existing tests cover these changes.
  • The documentation is up to date with these changes.

@Matt711 Matt711 added bug Something isn't working non-breaking Non-breaking change labels Feb 9, 2025
@Matt711 Matt711 requested a review from a team as a code owner February 9, 2025 18:43
@Matt711 Matt711 requested review from wence- and mroeschke February 9, 2025 18:43
@github-actions github-actions bot added Python Affects Python cuDF API. cudf.polars Issues specific to cudf.polars labels Feb 9, 2025
@Matt711 Matt711 mentioned this pull request Feb 9, 2025
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vyasr
vyasr approved these changes Feb 10, 2025
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LGTM, thanks!

mroeschke
mroeschke reviewed Feb 10, 2025
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My review can be rolled into another PR

@Matt711
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Matt711 commented Feb 10, 2025

My review can be rolled into another PR

Thanks, I applied them in this PR :)

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Matt711 commented Feb 11, 2025

/merge

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@vyasr vyasr vyasr approved these changes

@mroeschke mroeschke mroeschke approved these changes

@wence- wence- Awaiting requested review from wence- wence- is a code owner automatically assigned from rapidsai/cudf-python-codeowners

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Labels
bug Something isn't working cudf.polars Issues specific to cudf.polars non-breaking Non-breaking change Python Affects Python cuDF API.
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cuDF Python
Status: In Progress
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Successfully merging this pull request may close these issues.

[BUG] The sum of a fully missing column differs between polars[gpu] and polars.
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@Matt711 @vyasr @mroeschke