[ 
https://issues.apache.org/jira/browse/HIVE-7835?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Ashutosh Chauhan updated HIVE-7835:
-----------------------------------

    Attachment: h-7835.patch

> [CBO] Handle a case where FieldTimmer trims all fields from input
> -----------------------------------------------------------------
>
>                 Key: HIVE-7835
>                 URL: https://issues.apache.org/jira/browse/HIVE-7835
>             Project: Hive
>          Issue Type: Sub-task
>          Components: CBO
>            Reporter: Ashutosh Chauhan
>            Assignee: Ashutosh Chauhan
>         Attachments: h-7835.patch
>
>
> eg in queries like select 1 from t1 where nothing needs to be projected we 
> generate empty project list which results in incorrect ast getting generated. 
> Currently, we fix while generating ast by eliminating such AST node, but 
> better is to generate correct project list to begin with.



--
This message was sent by Atlassian JIRA
(v6.2#6252)

Reply via email to