Support casting StringArray/BinaryArray --> StringView / BinaryView
#5686
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RinChanNOWWW
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alamb
changed the title
GenericByteArray to ByteArrayView
alamb
changed the title
GenericByteArray to ByteArrayViewStringArray/BinaryArray --> StringView / BinaryView
3 tasks
alamb
approved these changes
Apr 26, 2024
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Thank you for this contribution @RinChanNOWWW -- other than using GenericByteViewArray::new_unchecked I think this PR looks wonderful.
I also think we could also merge the PR as is and then switch to new-unchecked in a follow on PR
| let value_buf = &str_values_buf[offset as usize..end as usize]; | ||
| let length = end - offset; | ||
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| if length <= 12 { |
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As an aside (not for this PR) it would be great to somehow encapsulate this logic into a struct to avoid having to copy the same pattern it so many times. I took a shot at this here #5619
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The new enum View looks good to me.
alamb
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Apr 26, 2024
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Thanks @RinChanNOWWW -- I took the liberty of adding a comment to the code in this PR justifying why the unsafe was ok and plan to merge the PR when complete |
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Which issue does this PR close?
Part of #5508.
Casting byte view array to byte array and casting between dictionary array and byte view array will be done in other PRs.
Rationale for this change
What changes are included in this PR?
Support casting from byte array (
BinaryArray,StringArray) to byte view array (BinaryViewArray,StringVIewArray).Are there any user-facing changes?
No.