Tim Armstrong created IMPALA-8652:
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Summary: 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
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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