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From "Pengcheng Xiong (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-11703) Make RegExp and RLike reserved keywords
Date Mon, 07 Sep 2015 20:47:45 GMT

    [ https://issues.apache.org/jira/browse/HIVE-11703?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14734032#comment-14734032
] 

Pengcheng Xiong commented on HIVE-11703:
----------------------------------------

[~leftylev], thanks for your comments. I have modified the wiki accordingly.

> Make RegExp and RLike reserved keywords
> ---------------------------------------
>
>                 Key: HIVE-11703
>                 URL: https://issues.apache.org/jira/browse/HIVE-11703
>             Project: Hive
>          Issue Type: Sub-task
>            Reporter: Pengcheng Xiong
>            Assignee: Pengcheng Xiong
>             Fix For: 2.0.0
>
>
> RegExp and RLike are treated as "precedenceEqualNegatableOperator" in Hive. They actually
come from MySQL. Both of them are not keywords in SQL2011. But they are reserved keywords
in MySQL. Making them reserved ones can eliminate the current 14 ambiguities that we have
in current Hive. If users still would like to use them as identifiers/function names, users
can "set hive.support.sql11.reserved.keywords=false;"



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