Antoine Pitrou created ARROW-15169:
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Summary: [Python] _import_from_c() / _export_to_c() methods should
accept capsules
Key: ARROW-15169
URL: https://issues.apache.org/jira/browse/ARROW-15169
Project: Apache Arrow
Issue Type: Improvement
Components: Python, R
Reporter: Antoine Pitrou
Fix For: 7.0.0
Currently, the R-Python inteoperation code passes pointer values as
floating-point numbers (!) when calling into Python.
See these lines where the conversion is done:
https://github.com/apache/arrow/pull/11919/files#diff-bab09eda9e55267d74a2e565c81dbe41c42054ea7d62bf3ccdd529435a6de839R26
and see here for the available conversions:
https://github.com/apache/arrow/pull/11919/files#diff-54bdca838426f5d7f0a4474d4c359643c4cf6be556fa683a2ada28389887faa6R24
We should at least try passing as integer64 or raw...
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