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[Python] Support pandas future default string dtype #43683

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[Python] Support pandas future default string dtype#43683
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jorisvandenbossche
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Breaking ChangeIncludes a breaking change to the APIComponent: PythonPriority: BlockerMarks a blocker for the release
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19.0.0

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@jorisvandenbossche
jorisvandenbossche
opened on Aug 14, 2024

With pandas' PDEP-14 proposal, pandas is planning to introduce a default string dtype in pandas 3.0 (instead of the current object dtype).

This will become the default in pandas 3.0, and can be enabled with an option in the upcoming pandas 2.3 (pd.options.future.infer_string = True). To prepare for that, we should start using that string dtype in to_pandas() conversions when that option is enabled.

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  1. jorisvandenbossche
    added
    Component: Python
    on Aug 14, 2024
  2. jorisvandenbossche
    added this to the 18.0.0 milestone on Aug 14, 2024
  3. jorisvandenbossche
    self-assigned this
    on Aug 14, 2024
  4. jorisvandenbossche
    added a commit that references this issue on Sep 23, 2024

    apacheGH-43683: [Python] Use pandas StringDtype when enabled (pandas 3+)

    ea76574

  5. raulcd commented on Oct 10, 2024

    @raulcd
    raulcd
    on Oct 10, 2024
    Member

    @jorisvandenbossche should I move this to 19.0.0?

  6. raulcd
    modified the milestones: 18.0.0, 19.0.0 on Oct 11, 2024
  7. jorisvandenbossche
    added a commit that references this issue on Nov 6, 2024

    Merge remote-tracking branch 'upstream/main' into apachegh-43683-pand…

    3e17983
  8. jorisvandenbossche
    added 2 commits that reference this issue on Dec 6, 2024

    Merge remote-tracking branch 'upstream/main' into apachegh-43683-pand…

    42ecbe8

    Merge remote-tracking branch 'upstream/main' into apachegh-43683-pand…

    4c81add
  9. raulcd
    added
    Priority: BlockerMarks a blocker for the release
    on Dec 18, 2024
  10. jorisvandenbossche
    added 2 commits that reference this issue on Jan 3, 2025

    Merge remote-tracking branch 'upstream/main' into apachegh-43683-pand…

    940b64d

    Merge remote-tracking branch 'upstream/main' into apachegh-43683-pand…

    ea4cbf4
  11. amoeba
    added
    Breaking ChangeIncludes a breaking change to the API
    on Jan 5, 2025
  12. jorisvandenbossche
    added 2 commits that reference this issue on Jan 9, 2025

    Merge remote-tracking branch 'upstream/main' into apachegh-43683-pand…

    a59a2a2

    GH-43683: [Python] Use pandas StringDtype when enabled (pandas 3+) (#…

    5181c24

  13. jorisvandenbossche commented on Jan 9, 2025

    @jorisvandenbossche
    jorisvandenbossche
    on Jan 9, 2025
    MemberAuthor

    Issue resolved by pull request 44195
    #44195

  14. jorisvandenbossche
    closed this as completedon Jan 9, 2025
  15. amoeba
    added 2 commits that reference this issue on Jan 9, 2025

    GH-43683: [Python] Use pandas StringDtype when enabled (pandas 3+) (#…

    acb2282

    GH-43683: [Python] Use pandas StringDtype when enabled (pandas 3+) (#…

    fa0b2d7
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