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https://issues.apache.org/jira/browse/HIVE-16163?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Pengcheng Xiong reassigned HIVE-16163:
--------------------------------------
Assignee: Pengcheng Xiong
> Remove unnecessary parentheses in HiveParser
> --------------------------------------------
>
> Key: HIVE-16163
> URL: https://issues.apache.org/jira/browse/HIVE-16163
> Project: Hive
> Issue Type: Bug
> Reporter: Pengcheng Xiong
> Assignee: Pengcheng Xiong
>
> in HiveParser.g
> L2145:
> {code}
> columnParenthesesList
> @init { pushMsg("column parentheses list", state); }
> @after { popMsg(state); }
> : LPAREN columnNameList RPAREN
> ;
> {code}
> should be changed to
> {code}
> columnParenthesesList
> @init { pushMsg("column parentheses list", state); }
> @after { popMsg(state); }
> : LPAREN! columnNameList RPAREN!
> ;
> {code}
> However, we also need to refactor our code.
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