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From "jiaan.geng (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (SPARK-28580) ANSI SQL: unique predicate
Date Wed, 31 Jul 2019 08:46:00 GMT

    [ https://issues.apache.org/jira/browse/SPARK-28580?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16896931#comment-16896931
] 

jiaan.geng commented on SPARK-28580:
------------------------------------

I'm working on.

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



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