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Support GenericListViewArray::new_unchecked and refactor ListView json decoder#9648

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alamb merged 3 commits into
apache:mainfrom
liamzwbao:issue-9646-unsafe-list-view-json-reader
Apr 15, 2026
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Support GenericListViewArray::new_unchecked and refactor ListView json decoder#9648
alamb merged 3 commits into
apache:mainfrom
liamzwbao:issue-9646-unsafe-list-view-json-reader

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@liamzwbao liamzwbao commented Apr 1, 2026

Which issue does this PR close?

Rationale for this change

What changes are included in this PR?

Support GenericListViewArray::new_unchecked and refactor ListView json decoder. Stacked on #9497, benchmark added in #9647

Are these changes tested?

Covered by existing tests

Are there any user-facing changes?

No

@liamzwbao liamzwbao changed the title Issue 9646 unsafe list view json reader Support GenericListViewArray::new_unchecked and refactor ListView json decoder Apr 1, 2026
@liamzwbao liamzwbao changed the title Support GenericListViewArray::new_unchecked and refactor ListView json decoder Support GenericListViewArray::new_unchecked and refactor ListView json decoder Apr 1, 2026
@liamzwbao liamzwbao force-pushed the issue-9646-unsafe-list-view-json-reader branch from 3b662b4 to 519efa9 Compare April 3, 2026 00:29
@github-actions github-actions Bot added the arrow Changes to the arrow crate label Apr 3, 2026
@liamzwbao liamzwbao force-pushed the issue-9646-unsafe-list-view-json-reader branch from 519efa9 to 5a9d088 Compare April 6, 2026 22:16
@liamzwbao liamzwbao marked this pull request as ready for review April 6, 2026 22:18
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Looks great to me -- thank you @liamzwbao

I left a small suggestion on comments, but I don't think it is necessary

///
/// # Safety
///
/// Safe if [`Self::new`] would not panic with the given arguments
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Suggested change
/// Safe if [`Self::new`] would not panic with the given arguments
/// The parts must be a valid ListViewArray according to the Arrow spec.
/// See [`Self::try_new`] for details

@alamb alamb merged commit 38d78c3 into apache:main Apr 15, 2026
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alamb commented Apr 15, 2026

Thank you @liamzwbao

@liamzwbao liamzwbao deleted the issue-9646-unsafe-list-view-json-reader branch April 16, 2026 01:44
Rich-T-kid pushed a commit to Rich-T-kid/arrow-rs that referenced this pull request Jun 2, 2026
… json decoder (apache#9648)

# Which issue does this PR close?

<!--
We generally require a GitHub issue to be filed for all bug fixes and
enhancements and this helps us generate change logs for our releases.
You can link an issue to this PR using the GitHub syntax.
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- Closes apache#9646.

# Rationale for this change

<!--
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.
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# What changes are included in this PR?

<!--
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.
-->

Support `GenericListViewArray::new_unchecked` and refactor ListView json
decoder. Stacked on apache#9497, benchmark added in apache#9647

# Are these changes tested?

<!--
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1. Prevent the code from being accidentally broken by subsequent changes
2. Serve as another way to document the expected behavior of the code

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are they covered by existing tests)?
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Covered by existing tests

# Are there any user-facing changes?

<!--
If there are user-facing changes then we may require documentation to be
updated before approving the PR.

If there are any breaking changes to public APIs, please call them out.
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No
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Support GenericListViewArray::new_unchecked and refactor ListView json decoder

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