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GH-51144: [C++] Incorrect Logic for AdaptiveUIntBuilder::AppendValues - #51146

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andishgar wants to merge 1 commit into
apache:mainfrom
andishgar:AdaptiveBuilder_Correction
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GH-51144: [C++] Incorrect Logic for AdaptiveUIntBuilder::AppendValues#51146
andishgar wants to merge 1 commit into
apache:mainfrom
andishgar:AdaptiveBuilder_Correction

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@andishgar

@andishgar andishgar commented Sep 3, 2026

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Rationale for this change

arrow::AdaptiveUIntBuilder::AppendValues creates incorrect results when combined with arrow::AdaptiveUIntBuilder::Append.

What changes are included in this PR?

Correct the logic of arrow::AdaptiveUIntBuilder::AppendValues and add the relevant unit test.

Are these changes tested?

Yes. I ran the relevant unit test.

Are there any user-facing changes?

No.

This PR contains a "Critical Fix". (b) A bug that caused incorrect or invalid data to be produced.

Correct the logic of AppendValues
@andishgar
andishgar requested a review from pitrou as a code owner September 3, 2026 00:40
@github-actions

github-actions Bot commented Sep 3, 2026

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⚠️ GitHub issue #51144 has been automatically assigned in GitHub to PR creator.

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