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Preserve names of column object in various APIs #13772

Merged
merged 6 commits into from
Jul 28, 2023
Merged

Preserve names of column object in various APIs #13772

merged 6 commits into from
Jul 28, 2023

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galipremsagar
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Description

This PR preserves column names in various APIs by retaining self._data._level_names and also calculating when to preserve the column names.
Fixes: #13741, #13740

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 Python Affects Python cuDF API. 4 - Needs cuDF (Python) Reviewer non-breaking Non-breaking change labels Jul 26, 2023
@galipremsagar galipremsagar self-assigned this Jul 26, 2023
@galipremsagar galipremsagar requested a review from a team as a code owner July 26, 2023 21:42
@galipremsagar galipremsagar changed the title Preserve column names in various APIs Preserve names of columns in various APIs Jul 26, 2023
@galipremsagar galipremsagar changed the title Preserve names of columns in various APIs Preserve names of column object in various APIs Jul 26, 2023
@galipremsagar galipremsagar mentioned this pull request Jul 27, 2023
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bdice
bdice approved these changes Jul 27, 2023
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A few small comments but nothing blocking. LGTM!

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@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 cuDF (Python) Reviewer labels Jul 28, 2023
wence-
wence- approved these changes Jul 28, 2023
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One small comment, but I think this makes sense.

Although, the index alignment is pretty hairy...

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@galipremsagar
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/merge

@rapids-bot rapids-bot bot merged commit f00e922 into rapidsai:branch-23.10 Jul 28, 2023
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@galipremsagar galipremsagar mentioned this pull request Jul 28, 2023
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@mroeschke mroeschke mroeschke left review comments

@bdice bdice bdice approved these changes

@shwina shwina shwina approved these changes

@wence- wence- wence- approved these changes

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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 non-breaking Non-breaking change Python Affects Python cuDF API.
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cuDF/Dask/Numba/UCX
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Successfully merging this pull request may close these issues.

[BUG] Constructing a DataFrame with a multi-level column does not work
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@galipremsagar @wence- @shwina @bdice @mroeschke