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https://issues.apache.org/jira/browse/IMPALA-1624?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Nghia Le resolved IMPALA-1624.
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Resolution: Fixed
> Allow toggling --quiet and -B settings interactively in impala-shell
> --------------------------------------------------------------------
>
> Key: IMPALA-1624
> URL: https://issues.apache.org/jira/browse/IMPALA-1624
> Project: IMPALA
> Issue Type: Improvement
> Components: Clients
> Affects Versions: Impala 2.1
> Reporter: John Russell
> Assignee: Nghia Le
> Priority: Minor
> Labels: ramp-up, shell, usability
>
> I find it is quite common to start impala-shell with the --quiet option, then
> within the same session want to turn on the extra output like the timing
> numbers. Or to start with the normal ASCII boxes for query output, then want
> to switch to comma-delimited output. Currently, this involves quitting out of
> the shell and restarting it, plus doing an extra USE or -d to get back to the
> same database as before.
> I suggest having some command in the shell to switch between quiet and
> verbose mode, boxed and delimited output, and set the delimiter character.
> Perhaps there are other similar command-line settings that would be easy to
> toggle while the interpreter is running.
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