Better aggregate support for StringViewArray #11418
Description
Is your feature request related to a problem or challenge?
Current aggregate makes a special case for Utf8/LargeUtf8 that does not go through the arrow-row format. https://github.com/apache/datafusion/blob/string-view/datafusion/physical-plan/src/aggregates/group_values/mod.rs#L70C4-L81
We should do this to Utf8View/BinaryView as well.
Describe the solution you'd like
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Describe alternatives you've considered
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Additional context
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