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From "Paul Yang (JIRA)" <j...@apache.org>
Subject [jira] Assigned: (HIVE-1458) Table aliases are case sensitive.
Date Mon, 12 Jul 2010 22:08:50 GMT

     [ https://issues.apache.org/jira/browse/HIVE-1458?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Paul Yang reassigned HIVE-1458:
-------------------------------

    Assignee: Paul Yang

> Table aliases are case sensitive.
> ---------------------------------
>
>                 Key: HIVE-1458
>                 URL: https://issues.apache.org/jira/browse/HIVE-1458
>             Project: Hadoop Hive
>          Issue Type: Bug
>            Reporter: Jonathan Chang
>            Assignee: Paul Yang
>            Priority: Minor
>
> This query:
>  SELECT exploded, COUNT(1)                                                          
                            
>     FROM (                                                                          
                               
>     SELECT SPLIT(value, "0") AS value                                               
                               
>     FROM tmp_jonchang_hive_test                                                     
                               
>     ) B LATERAL VIEW explode(value) C AS exploded                                   
                               
>     GROUP BY exploded  
> produces the error:
> FAILED: Error in semantic analysis: line 7:9 Invalid Table Alias or Column Reference
exploded
> However, when B is changed to lowercase, the query works as expected: 
>  SELECT exploded, COUNT(1)                                                          
                            
>     FROM (                                                                          
                               
>     SELECT SPLIT(value, "0") AS value                                               
                               
>     FROM tmp_jonchang_hive_test                                                     
                               
>     ) b LATERAL VIEW explode(value) C AS exploded                                   
                               
>     GROUP BY exploded
> Table aliases shouldn't be case sensitive AFAIK.  And even if they are, I can't see the
cause for the error.

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