Jason Fehr has posted comments on this change. ( 
http://gerrit.cloudera.org:8080/21142 )

Change subject: IMPALA-12737: Query columns in workload management tables.
......................................................................


Patch Set 32:

(1 comment)

http://gerrit.cloudera.org:8080/#/c/21142/32/be/src/service/workload-management-init.cc
File be/src/service/workload-management-init.cc:

http://gerrit.cloudera.org:8080/#/c/21142/32/be/src/service/workload-management-init.cc@328
PS32, Line 328:     // Drop the live query table to re-create it since the live 
query table cannot be
> I didn't think this was true, you just can't write to it. Did you try ALTER
When running alter table add column if not exists on sys.impala_query_live, it 
returns "IllegalStateException: null".  I couldn't find a stack trace in any 
log files.

Even though that error was returned, the column was still added, it just took 
about 10 seconds to show up in the table. Still, I would rather have a process 
that does not result in an error even though the operation succeeded.



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Gerrit-Project: Impala-ASF
Gerrit-Branch: master
Gerrit-MessageType: comment
Gerrit-Change-Id: I78f3670b067c0c192ee8a212fba95466fbcb51d7
Gerrit-Change-Number: 21142
Gerrit-PatchSet: 32
Gerrit-Owner: Michael Smith <[email protected]>
Gerrit-Reviewer: Impala Public Jenkins <[email protected]>
Gerrit-Reviewer: Jason Fehr <[email protected]>
Gerrit-Reviewer: Michael Smith <[email protected]>
Gerrit-Reviewer: Riza Suminto <[email protected]>
Gerrit-Comment-Date: Wed, 21 Aug 2024 22:34:58 +0000
Gerrit-HasComments: Yes

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