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Fix DataFrame.reindex when column reindexing to MultiIndex/RangeIndex #14605

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merged 4 commits into from
Dec 13, 2023

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mroeschke
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Description

  1. reindex(columns=cudf.MultiIndex) will raise since set(cudf.MultiIndex) is being called
  2. reindex(columns=range/RangeIndex) would not necessarily retain a RangeIndex result

Discovered during refactoring DataFrame.__init__ and further convinces me that the column should be passed to ColumnAccessor eventually

Checklist

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

@mroeschke mroeschke added bug Something isn't working non-breaking Non-breaking change python labels Dec 9, 2023
@mroeschke mroeschke requested a review from a team as a code owner December 9, 2023 00:20
@github-actions github-actions bot added the Python Affects Python cuDF API. label Dec 9, 2023
@mroeschke mroeschke changed the title Fix DataFrame.reindex when reindexing to MultiIndex/RangeIndex Fix DataFrame.reindex when column reindexing to MultiIndex/RangeIndex Dec 9, 2023
df = self
else:
columns = as_index(columns)
intersection = self._data.to_pandas_index().intersection(
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Happy to have suggestion if there's a way to do this without dispatching to pandas. This was to ensure the MultiIndex intersection case worked correctly

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@galipremsagar galipremsagar left a comment

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Seems reasonable to me

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/merge

@rapids-bot rapids-bot bot merged commit 8136a16 into rapidsai:branch-24.02 Dec 13, 2023
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@mroeschke mroeschke deleted the bug/reindex/columns_class branch December 13, 2023 19:25
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