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https://issues.apache.org/jira/browse/SPARK-27890?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Xiao Li updated SPARK-27890:
----------------------------
    Issue Type: Sub-task  (was: Improvement)
        Parent: SPARK-27901

> Improve SQL parser error message when missing backquotes for identifiers with 
> hyphens
> -------------------------------------------------------------------------------------
>
>                 Key: SPARK-27890
>                 URL: https://issues.apache.org/jira/browse/SPARK-27890
>             Project: Spark
>          Issue Type: Sub-task
>          Components: SQL
>    Affects Versions: 2.4.3
>            Reporter: Yesheng Ma
>            Priority: Major
>
> Current SQL parser's error message for hyphen-connected identifiers without 
> surrounding backquotes(e.g. {{hyphen-table}}) is confusing for end users. A 
> possible approach to tackle this is to explicitly capture these wrong usages 
> in the SQL parser. In this way, the end users can fix these errors more 
> quickly.



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