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https://issues.apache.org/jira/browse/HIVE-494?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13262381#comment-13262381
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Navis commented on HIVE-494:
----------------------------

I've completely forgotten this patch and looking into it newly. 

1. It seemed not a standard SQL and also could be confusional especially with 
join/unions. 
2. The patch is using RR of input operator but it's clearly not correct.

Could it be worth to be implemented?
                
> Select columns by index instead of name
> ---------------------------------------
>
>                 Key: HIVE-494
>                 URL: https://issues.apache.org/jira/browse/HIVE-494
>             Project: Hive
>          Issue Type: Wish
>          Components: Clients, Query Processor
>            Reporter: Adam Kramer
>            Assignee: Navis
>            Priority: Minor
>              Labels: SQL
>         Attachments: HIVE-494.D1641.1.patch
>
>
> SELECT mytable[0], mytable[2] FROM some_table_name mytable;
> ...should return the first and third columns, respectively, from mytable 
> regardless of their column names.
> The need for "names" specifically is kind of silly when they just get 
> translated into numbers anyway.

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