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https://issues.apache.org/jira/browse/HIVE-95?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Pete Wyckoff updated HIVE-95:
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Assignee: Pete Wyckoff
just need to add "k=1" to the hive grammar options.
I tried removing backtracking altogether, but that is difficult due to some
left recursion in the grammar and it isn't clear how much more benefit it would
give.
> improve cli error messages by lowering backtracking to 1
> --------------------------------------------------------
>
> Key: HIVE-95
> URL: https://issues.apache.org/jira/browse/HIVE-95
> Project: Hadoop Hive
> Issue Type: Improvement
> Components: Query Processor
> Reporter: Pete Wyckoff
> Assignee: Pete Wyckoff
>
> Stop antlr from backtracking so much should (and does) improve error messages
> since antlr will report the error closer to where it happened.
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