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@kou kou commented Jan 1, 2026

Rationale for this change

Dictionary array is a special data type. We need to process dictionary batch message for this.

What changes are included in this PR?

  • Add ArrowFormat::DictionaryType
  • Add ArrowFormat::DictionaryArray
  • Add support for dictionary batch messages

Are these changes tested?

Yes.

Are there any user-facing changes?

Yes.

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github-actions bot commented Jan 1, 2026

⚠️ GitHub issue #48705 has been automatically assigned in GitHub to PR creator.

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kou commented Jan 3, 2026

+1

@kou kou merged commit ae41f82 into apache:main Jan 3, 2026
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@kou kou deleted the ruby-dictionary-array branch January 3, 2026 00:59
@kou kou removed the awaiting committer review Awaiting committer review label Jan 3, 2026
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After merging your PR, Conbench analyzed the 3 benchmarking runs that have been run so far on merge-commit ae41f82.

There weren't enough matching historic benchmark results to make a call on whether there were regressions.

The full Conbench report has more details.

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