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[C++][Compute] Support string_view/binary_view keys in the hash-aggregate Grouper #50223

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[C++][Compute] Support string_view/binary_view keys in the hash-aggregate Grouper#50223
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fangchenli
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Component: C++Type: enhancement
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26.0.0

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@fangchenli
fangchenli
opened on Jun 18, 2026

Describe the enhancement requested

arrow::compute::Grouper, used by Acero's hash-aggregate node for
Table.group_by, does not support string_view or binary_view group
keys.

xref #44336.

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C++

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