Add bool8 extension type support#274
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CurtHagenlocher merged 3 commits intoapache:mainfrom Mar 3, 2026
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Pull request overview
Adds support for the arrow.bool8 canonical extension type (1-byte boolean) in the Arrow .NET library and validates round-tripping through the C Data Interface with Python/pyarrow.
Changes:
- Introduces
Bool8ExtensionDefinition,Bool8Type, andBool8Array(with a builder) backed byInt8Array. - Adds C Data Interface Python interop tests to export/import bool8 arrays via pyarrow.
Reviewed changes
Copilot reviewed 2 out of 2 changed files in this pull request and generated 5 comments.
| File | Description |
|---|---|
| test/Apache.Arrow.Tests/CDataInterfacePythonTests.cs | Adds export/import interop tests for bool8 extension arrays via the C Data Interface. |
| src/Apache.Arrow/Arrays/Bool8Array.cs | Implements the bool8 extension definition/type/array (storage: Int8) and a builder. |
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adamreeve
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Mar 3, 2026
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adamreeve
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adamreeve
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Looks good to me thanks Curt
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What's Changed
This PR adds support for the bool8 extension type. The support is off by default.