[jira] Updated: (HIVE-39) Hive: we should be able to specify a column without a table/alias name

["Ashish Thusoo (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HIVE-39?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Ashish Thusoo updated HIVE-39:
------------------------------

    Component/s: Query Processor
       Assignee: Ashish Thusoo

Assigning component.

I had already fixed this partially. Will update with a more complete fix.

> Hive: we should be able to specify a column without a table/alias name
> ----------------------------------------------------------------------
>
>                 Key: HIVE-39
>                 URL: https://issues.apache.org/jira/browse/HIVE-39
>             Project: Hadoop Hive
>          Issue Type: Bug
>          Components: Query Processor
>            Reporter: Zheng Shao
>            Assignee: Ashish Thusoo
>
> "SELECT field1, field2 from table1" should work, just as "SELECT table1.field1, table1.field2 from table1" 
> For join, the situation will be a bit more complicated.  If the 2 join operands have columns of the same name, then we should output an "ambiguity" error.

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