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https://issues.apache.org/jira/browse/IMPALA-7287?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16541980#comment-16541980
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Tim Armstrong commented on IMPALA-7287:
---------------------------------------
[~csringhofer] we eventually want to move impala-shell off beeswax to HS2 since
it's a legacy interface. I'd advocate against optimising for beeswax at the
moment since the code will be thrown away eventually. We don't have a JIRA for
that work so I created one: IMPALA-7290.
> Speed up printing of tab delimited output in impala-shell
> ---------------------------------------------------------
>
> Key: IMPALA-7287
> URL: https://issues.apache.org/jira/browse/IMPALA-7287
> Project: IMPALA
> Issue Type: Improvement
> Reporter: Csaba Ringhofer
> Assignee: Nghia Le
> Priority: Minor
>
> Beeswax returns result rows as strings where the columns are separated by tab
> characters. ImpalaClient.fetch() splits the rows and printing functions join
> them again. If the output_delimiter is \t, and the row doesn't contain any
> special characters, then the result is exactly the same string that was
> fetched. As \t is the default delimiter, I think that it would be useful to
> create a "fast path" for this special case.
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