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From "Xiao Li (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (SPARK-20964) Make some keywords reserved along with the ANSI/SQL standard
Date Thu, 02 Aug 2018 20:03:00 GMT

     [ https://issues.apache.org/jira/browse/SPARK-20964?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Xiao Li updated SPARK-20964:
----------------------------
    Target Version/s: 3.0.0

> Make some keywords reserved along with the ANSI/SQL standard
> ------------------------------------------------------------
>
>                 Key: SPARK-20964
>                 URL: https://issues.apache.org/jira/browse/SPARK-20964
>             Project: Spark
>          Issue Type: Improvement
>          Components: SQL
>    Affects Versions: 2.1.1
>            Reporter: Takeshi Yamamuro
>            Priority: Minor
>
> The current Spark has many non-reserved words that are essentially reserved in the ANSI/SQL
standard (http://developer.mimer.se/validator/sql-reserved-words.tml). 
> https://github.com/apache/spark/blob/master/sql/catalyst/src/main/antlr4/org/apache/spark/sql/catalyst/parser/SqlBase.g4#L709
> This is because there are many datasources (for instance twitter4j) that unfortunately
use reserved keywords for column names (See [~hvanhovell]'s comments: https://github.com/apache/spark/pull/18079#discussion_r118842186).
We might fix this issue in future major releases.



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