David Li created ARROW-16836:
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Summary: [C++] Have exported ArrowArrayStreams call
RecordBatchReader::Close
Key: ARROW-16836
URL: https://issues.apache.org/jira/browse/ARROW-16836
Project: Apache Arrow
Issue Type: Improvement
Components: C++
Reporter: David Li
We added RecordBatchReader::Close(), should we have an exported
ArrowArrayStream call this?
The issue is that {{release()}} can't return errors. We could call {{Close()}}
implicitly after the last batch if the user drains the ArrowArrayStream, and
return any error there, but if they don't drain the stream (but call
{{release}}) we'll have no way to return the error. (Or we could make an ABI
break…)
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