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Remove support for List types in bit_length kernel#9350

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codephage2020 wants to merge 1 commit intoapache:mainfrom
codephage2020:issue-9349
Open

Remove support for List types in bit_length kernel#9350
codephage2020 wants to merge 1 commit intoapache:mainfrom
codephage2020:issue-9349

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@codephage2020
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Which issue does this PR close?

Rationale for this change

bit_length for List/LargeList multiplies element count by 8, which is semantically wrong since elements can be arbitrary types.

What changes are included in this PR?

remove the existing List/LargeList support for bit_length

Are these changes tested?

YES

Are there any user-facing changes?

NO

@github-actions github-actions bot added the arrow Changes to the arrow crate label Feb 4, 2026
@Jefffrey Jefffrey added the api-change Changes to the arrow API label Feb 4, 2026
@Jefffrey
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Jefffrey commented Feb 4, 2026

Not sure if this is significant enough to be considered a breaking change; I'll mark it so to be safe 🤔

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Remove support for List types in bit_length kernel

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