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Posted to issues@spark.apache.org by "jiaan.geng (JIRA)" <ji...@apache.org> on 2019/07/31 08:47:00 UTC

[jira] [Updated] (SPARK-28580) ANSI SQL: unique predicate

     [ https://issues.apache.org/jira/browse/SPARK-28580?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

jiaan.geng updated SPARK-28580:
-------------------------------
    Issue Type: Sub-task  (was: New Feature)
        Parent: SPARK-27764

> ANSI SQL: unique predicate
> --------------------------
>
>                 Key: SPARK-28580
>                 URL: https://issues.apache.org/jira/browse/SPARK-28580
>             Project: Spark
>          Issue Type: Sub-task
>          Components: SQL
>    Affects Versions: 3.0.0
>            Reporter: jiaan.geng
>            Priority: Major
>
> Format
> <unique predicate> ::=
> UNIQUE <table subquery>



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