David Li created ARROW-15487:
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Summary: [C++][FlightRPC] Add FlightClient::Close
Key: ARROW-15487
URL: https://issues.apache.org/jira/browse/ARROW-15487
Project: Apache Arrow
Issue Type: Improvement
Components: C++, FlightRPC
Reporter: David Li
Assignee: David Li
We should add an explicit Close() method to Flight clients. For backwards
compatibility, the client destructor should call Close().
For gRPC, we do not have an explicit Close() method provided by gRPC, so it
will just be a no-op (or perhaps explicitly drop the reference to the
underlying gRPC client). When ARROW-15473 is implemented, Close() could cancel
all calls and drop the reference.
For UCX, we will need an explicit Close() to clean up resources (and return
error codes), so this will be useful then.
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