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From "Yongzhi Chen (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-9923) No clear message when "from" is missing
Date Thu, 16 Apr 2015 16:57:59 GMT

    [ https://issues.apache.org/jira/browse/HIVE-9923?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14498288#comment-14498288
] 

Yongzhi Chen commented on HIVE-9923:
------------------------------------

Hive support simple select without from statement (when there is a UDF). When select  in an
insert statement, hive need the from clause. The new patch only check from clause null or
not in the insert statement. 

> No clear message when "from" is missing
> ---------------------------------------
>
>                 Key: HIVE-9923
>                 URL: https://issues.apache.org/jira/browse/HIVE-9923
>             Project: Hive
>          Issue Type: Bug
>    Affects Versions: 1.0.0
>            Reporter: Jeff Zhang
>            Assignee: Yongzhi Chen
>         Attachments: HIVE-9923.1.patch
>
>
> For the following sql, "from" is missing but it throw NPE which is not clear for user.
> {code}
> hive> insert overwrite directory '/tmp/hive-3' select sb1.name, sb2.age student_bucketed
sb1 join student_bucketed sb2 on sb1.name=sb2.name;
> FAILED: NullPointerException null
> {code}



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