Tim Armstrong created IMPALA-6497:

             Summary: Impala should expose when the last row is fetched
                 Key: IMPALA-6497
                 URL: https://issues.apache.org/jira/browse/IMPALA-6497
             Project: IMPALA
          Issue Type: Improvement
          Components: Backend
    Affects Versions: Impala 2.11.0
            Reporter: Tim Armstrong
            Assignee: Tim Armstrong

This is exposed indirectly via the "waiting to be closed" list in the Impala 
debug server. However, there is no way to tell from the profile or query state 
that the last row was fetched by the client.

It is useful for this to be exposed to management tools since queries where all 
rows have been fetched have released resources and could be closed.

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