[jira] [Updated] (SPARK-12687) Support from clause surrounded by `()`

["Davies Liu (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/SPARK-12687?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Davies Liu updated SPARK-12687:
-------------------------------
    Assignee: Liang-Chi Hsieh

> Support from clause surrounded by `()`
> --------------------------------------
>
>                 Key: SPARK-12687
>                 URL: https://issues.apache.org/jira/browse/SPARK-12687
>             Project: Spark
>          Issue Type: Sub-task
>          Components: SQL
>            Reporter: Davies Liu
>            Assignee: Liang-Chi Hsieh
>             Fix For: 2.0.0
>
>
> This query can't be parsed under Hive parser:
> {code}
> (select * from t1) union (select * from t2)
> {code}
> also this one:
> {code}
> select * from ((select * from t1) union (select * from t2)) t
> {code}



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