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https://issues.apache.org/jira/browse/SPARK-26905?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17129904#comment-17129904
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Takeshi Yamamuro edited comment on SPARK-26905 at 6/10/20, 1:20 AM:
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Thanks for checking them, Maxim! Ah, I see. I think we forgot to add `TYPE` in
the ANSI non-reserved list. But, IIRC we couldn't simply add `SEMI`, `MINUS`,
and `ANTI` in the non-reserved list because of the discussion:
[https://github.com/apache/spark/pull/23259#pullrequestreview-205855655]
Probably, we need to refactor the parser before we add them as non-reserved.
was (Author: maropu):
Thanks for checking them, Maxim! Ah, I see. I think we forgot to add `TYPE` in
the ANSI non-reserved list. But, IIUC we couldn't simply add `SEMI`, `MINUS`,
and `ANTI` in the non-reserved list because of the discussion:
[https://github.com/apache/spark/pull/23259#pullrequestreview-205855655]
Probably, we need to refactor the parser before we add them as non-reserved.
> Revisit reserved/non-reserved keywords based on the ANSI SQL standard
> ---------------------------------------------------------------------
>
> Key: SPARK-26905
> URL: https://issues.apache.org/jira/browse/SPARK-26905
> Project: Spark
> Issue Type: Sub-task
> Components: SQL
> Affects Versions: 3.0.0
> Reporter: Xiao Li
> Priority: Major
> Attachments: spark-ansiNonReserved.txt, spark-keywords-list.txt,
> spark-nonReserved.txt, spark-strictNonReserved.txt,
> sql2016-02-nonreserved.txt, sql2016-02-reserved.txt,
> sql2016-09-nonreserved.txt, sql2016-09-reserved.txt,
> sql2016-14-nonreserved.txt, sql2016-14-reserved.txt
>
>
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