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Fix accessing .columns by an external API #15212

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merged 3 commits into from Mar 4, 2024
Merged

Fix accessing .columns by an external API #15212

merged 3 commits into from Mar 4, 2024

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galipremsagar
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Description

pa.pandas_compat.construct_metadata seems to be accessing .columns of cudf.DataFrame, this is unsafe and expensive, so instead this PR will only return empty rows and only a pandas DataFrame. While doing so, uncovered and fixed issues with column type preservation in head API.

Checklist

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

@galipremsagar galipremsagar added bug Something isn't working 3 - Ready for Review Ready for review by team cuDF (Python) Affects Python cuDF API. 4 - Needs Review Waiting for reviewer to review or respond non-breaking Non-breaking change labels Mar 1, 2024
@galipremsagar galipremsagar self-assigned this Mar 1, 2024
@galipremsagar galipremsagar requested a review from a team as a code owner March 1, 2024 22:20
bdice
bdice approved these changes Mar 1, 2024
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Nice! This looks like a good fix for the original problem and the bug you found along the way.

@galipremsagar galipremsagar added 5 - Ready to Merge Testing and reviews complete, ready to merge and removed 3 - Ready for Review Ready for review by team 4 - Needs Review Waiting for reviewer to review or respond labels Mar 1, 2024
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/merge

@galipremsagar galipremsagar mentioned this pull request Mar 2, 2024
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@ttnghia
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ttnghia commented Mar 2, 2024

/merge

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bdice commented Mar 4, 2024

I proposed an admin merge on both #15212 (this PR) and #15210. I think that's the best path forward to unblocking CI failures.

@AyodeAwe AyodeAwe merged commit 903dcac into rapidsai:branch-24.04 Mar 4, 2024
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@bdice bdice bdice approved these changes

@ttnghia ttnghia ttnghia approved these changes

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

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

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@galipremsagar galipremsagar

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5 - Ready to Merge Testing and reviews complete, ready to merge bug Something isn't working cuDF (Python) Affects Python cuDF API. non-breaking Non-breaking change
Projects
cuDF/Dask/Numba/UCX
Status: Done
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@galipremsagar @ttnghia @bdice @AyodeAwe