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Exporting Binary/Utf8View from arrow-rs to pyarrow fails #6366

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robert3005 opened this issue Sep 6, 2024 · 1 comment · Fixed by #6368
Closed

Exporting Binary/Utf8View from arrow-rs to pyarrow fails #6366

robert3005 opened this issue Sep 6, 2024 · 1 comment · Fixed by #6368
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arrow Changes to the arrow crate bug

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@robert3005
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robert3005 commented Sep 6, 2024 •
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Describe the bug
Exporting binaryview arrow to pyarrow fails with

Expected at least 3 buffers for imported type binary_view, ArrowArray struct has 2

To Reproduce
Construct binaryview array and export it over c data interface to pyarrow

Expected behavior
Export should succeed without error

Additional context
I think there's ambiguity in the spec apache/arrow#43989. However, regardless of that issue it seems that export binaryview array has to do a bit extra work to produce buffer lengths
@robert3005 robert3005 added the bug label Sep 6, 2024
@robert3005 robert3005 changed the title Exporting Binary/Utf8View from arrow-rs to pyarrow fails if the array contains only short (<13 chars) strings Exporting Binary/Utf8View from arrow-rs to pyarrow fails Sep 6, 2024
@robert3005 robert3005 reopened this Sep 6, 2024
@robert3005 robert3005 mentioned this issue Sep 6, 2024
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a10y added a commit to a10y/arrow-rs that referenced this issue Sep 6, 2024
@a10y
fix lingering C Data Interface issues for *ViewArray
e8ecf7e 
Fixes apache#6366
This was referenced Sep 6, 2024
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@alamb alamb closed this as completed in 60ec869 Sep 12, 2024
@alamb alamb added the arrow Changes to the arrow crate label Oct 2, 2024
@alamb
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alamb commented Oct 2, 2024

label_issue.py automatically added labels {'arrow'} from #6368

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