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[58_maintenance] fix: account for offsets in runarrays when using extend for MutableArrayData - #11761
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…rayData (apache#11546) <!-- It is not necessary to raise an issue, but it is encouraged if it is a non-trivial enhancement/bug. If this PR relates to an existing issue, but does not fully resolve it, please change the wording below from "Closes #NNN" to "Relates to #NNN" or "Part of false closing an issue. --> None <!-- Why are you proposing this change? If this is already explained clearly in the issue then this section is not needed. Explaining clearly why changes are proposed helps reviewers understand your changes and offer better suggestions for fixes. Please try to explain the problem you are trying to solve in terms of the user-visible behavior, rather than the implementation. --> Correctness edge case when using RunArrays in MutableArrayData <!-- There is no need to duplicate the description in the issue here but it is sometimes worth providing a summary of the individual changes in this PR. --> - Account for `ArrayData` offset of RunArrays when extending `MutableArrayData` - Checked conversion of usize length to Run index type to avoid wrapping <!-- We typically require tests for all PRs in order to: 1. Prevent the code from being accidentally broken by subsequent changes 2. Serve as another way to document the expected behavior of the code If tests are not included in your PR, please explain why (for example, are they covered by existing tests, if so identify these tests)? If this PR claims a performance improvement, please include evidence such as benchmark results. DO NOT simply paste a list of commands ran to verify the code; this is what our CI is for and it pollutes the PR. ONLY explain if testing was included with this PR, or why it wasn't. --> Yes <!-- Significant user-facing changes include: - Breaking public API change - Significant change to existing functionality (e.g. function returns something different) These need to be explicitly called out to ensure we have proper documentation if required and to ensure we follow proper semantic versioning. DO NOT restate the changes of this PR; if a bug was fixed and already explained above, we don't need this to be restated as a user-facing change. --> No
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Jefffrey
marked this pull request as ready for review
October 22, 2026 07:02
alamb
approved these changes
Oct 22, 2026
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58.4.1(October 2026) #11665Cherry-pick of 2e26ab4