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https://issues.apache.org/jira/browse/IMPALA-2195?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Fredy Wijaya resolved IMPALA-2195.
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Resolution: Fixed
Fix Version/s: Impala 3.1.0
Impala 2.13.0
> Improper handling of comments in queries
> ----------------------------------------
>
> Key: IMPALA-2195
> URL: https://issues.apache.org/jira/browse/IMPALA-2195
> Project: IMPALA
> Issue Type: Bug
> Components: Clients
> Affects Versions: Impala 2.2, Impala 2.3.0
> Reporter: bharath v
> Assignee: Fredy Wijaya
> Priority: Minor
> Labels: shell
> Fix For: Impala 2.13.0, Impala 3.1.0
>
>
> Shell doesn't handle comments properly while executing the queries. For
> example,
> {noformat}
> [impalad:21000] > ----- random comment 1
> -----### random comment 2
> insert overwrite test2 select * from test1;
> Query: ----- random comment 1
> -----### random comment 2
> insert overwrite test2 select * from test1
> Fetched 0 row(s) in 3.53s
> {noformat}
> Stderr for an insert query shows up as "Fetched 0 row(s)" instead of
> "Inserted 1 row(s)" . This happens because the shell parser doesn't detect
> this as an insert query due to the presence of comments. We don't strip the
> comments before sending them to Cmd control, due which the default() method
> is applied instead of do_insert().
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