Joris Van den Bossche created ARROW-17924:
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Summary: [Docs] Clarify immutability assumption in the C Data
Interface documentation
Key: ARROW-17924
URL: https://issues.apache.org/jira/browse/ARROW-17924
Project: Apache Arrow
Issue Type: Task
Components: Documentation, Format
Reporter: Joris Van den Bossche
The current documentation
(https://arrow.apache.org/docs/dev/format/CDataInterface.html) is not explicit
about whether there are any guarantees about (im)mutability.
My assumption is that the _consumer_ of C Data Interface structs should
_assume_ the data to be immutable by default (unless they would know that the
producer is fine with mutating the data). But it would be good to document this.
(as a reference, the DLPack Python docs mention this:
https://dmlc.github.io/dlpack/latest/python_spec.html#semantics)
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