[jira] [Closed] (IMPALA-8652) Illegal delimiter error in shell has "unknown exception" as part of error message

["Jiawei Wang (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/IMPALA-8652?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Jiawei Wang closed IMPALA-8652.
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> Illegal delimiter error in shell has "unknown exception" as part of error message
> ---------------------------------------------------------------------------------
>
>                 Key: IMPALA-8652
>                 URL: https://issues.apache.org/jira/browse/IMPALA-8652
>             Project: IMPALA
>          Issue Type: Bug
>          Components: Clients
>    Affects Versions: Impala 3.2.0
>            Reporter: Tim Armstrong
>            Assignee: Jiawei Wang
>            Priority: Minor
>              Labels: newbie, ramp-up
>
> Repro:
> {noformat}
> $ impala-shell.sh -B --output_delimiter '||' -q 'select 1,1,1'
> Starting Impala Shell without Kerberos authentication
> Opened TCP connection to localhost:21000
> Connected to localhost:21000
> Server version: impalad version 3.3.0-SNAPSHOT DEBUG (build a0d96078a522ee72b1fbcedb5629451123afbfd0)
> Query: select 1,1,1
> Query submitted at: 2019-06-11 13:15:11 (Coordinator: http://tarmstrong-box:25000)
> Query progress can be monitored at: http://tarmstrong-box:25000/query_plan?query_id=f14a14db36e6157c:aadd29bf00000000
> Unknown Exception : Illegal delimiter ||, the delimiter must be a 1-character string.
> Could not execute command: select 1,1,1
> {noformat}
> We have a test for this error message, but it only does a substring match.
> I think the issue is that the validation of the argument is done only after the query is running, and ValueError is raised in DelimitedOutputFormatter and caught in a different place from most argument errors.



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