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From "Reynold Xin (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (SPARK-13321) Support nested UNION in parser
Date Wed, 24 Feb 2016 20:26:18 GMT

     [ https://issues.apache.org/jira/browse/SPARK-13321?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Reynold Xin updated SPARK-13321:
--------------------------------
    Target Version/s: 2.0.0

> Support nested UNION in parser
> ------------------------------
>
>                 Key: SPARK-13321
>                 URL: https://issues.apache.org/jira/browse/SPARK-13321
>             Project: Spark
>          Issue Type: Bug
>          Components: SQL
>            Reporter: Liang-Chi Hsieh
>            Assignee: Liang-Chi Hsieh
>
> The following SQL can not be parsed with current parser:
> {code}
> SELECT  `u_1`.`id` FROM (((SELECT  `t0`.`id` FROM `default`.`t0`) UNION ALL (SELECT 
`t0`.`id` FROM `default`.`t0`)) UNION ALL (SELECT  `t0`.`id` FROM `default`.`t0`)) AS u_1
> {code}
> We should fix it.



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