[jira] [Created] (ARROW-14255) [Python] FlightClient.do_action is a generator instead of returning one.

["Alessandro Molina (Jira)" <ji...@apache.org>]

Alessandro Molina created ARROW-14255:
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             Summary: [Python] FlightClient.do_action is a generator instead of returning one.
                 Key: ARROW-14255
                 URL: https://issues.apache.org/jira/browse/ARROW-14255
             Project: Apache Arrow
          Issue Type: Bug
          Components: Python
    Affects Versions: 5.0.0
            Reporter: Alessandro Molina
             Fix For: 6.0.0


According to the documentation ( https://arrow.apache.org/docs/python/generated/pyarrow.flight.FlightClient.html#pyarrow.flight.FlightClient.do_action ) I would expect to be able to invoke {{client.do_action}} and get back an iterator. While it seems that the function is in fact a generator itself.

This makes a big difference because if it returns an iterator I expect to be able to do {{client.do_action(...)}} and just ignore the result if I don't care. But if it's a generator ignoring the results makes so that it actually doesn't get invoked at all and thus that the server won't do anything.

It would make sense to make {{do_action}} return a generator instead of being a generator itself, that would keep backward compatibility and would avoid puzzled users that don't see their code being invoked when they do {{client.do_action(...)}}



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