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https://issues.apache.org/jira/browse/HIVE-15822?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Vihang Karajgaonkar reassigned HIVE-15822:
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Assignee: muxin (was: Vihang Karajgaonkar)
> beeline ignore all sql under comment after semicolon
> ----------------------------------------------------
>
> Key: HIVE-15822
> URL: https://issues.apache.org/jira/browse/HIVE-15822
> Project: Hive
> Issue Type: Bug
> Components: Beeline, HiveServer2
> Affects Versions: 1.2.1, 2.1.1
> Reporter: muxin
> Assignee: muxin
> Attachments: HIVE-15822.patch
>
>
> way to reproduce this error:
> beeline -u jdbc:hive2://localhost:10000 -n test -e "
> show databases;--some comment here
> show tables;"
> it will only execute 'show databases', and consider
> '--some comment here
> show tables;'
> as comment( all sql under the first comment appeared after semicolon).
> when the comment is also end with semicolon, the result will be right.
> the root cause is that beeline will only consider a entire command is inputed
> when a line is end with semicolon, otherwise if this line is not started with
> '--' or '#' beeline will combine it with next line until meet semicolon in
> the end. so actually the comment above is not removed(which causes the
> error). then beeline split the entire line by ';', so 'show databases' is
> recognized and executed,
> '--some comment here\n show tables' is considered a comment and discarded.
> my solution is to just remove comment before split by ';', the code can refer
> to solution 2 for similar issue
> :https://issues.apache.org/jira/browse/HIVE-15820
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