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From "Phabricator (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-2863) Ambiguous table name or column reference message displays when table and column names are the same
Date Mon, 02 Apr 2012 15:59:23 GMT

    [ https://issues.apache.org/jira/browse/HIVE-2863?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13244284#comment-13244284
] 

Phabricator commented on HIVE-2863:
-----------------------------------

njain has accepted the revision "HIVE-2863 [jira] Ambiguous table name or column reference
message displays when table and column names are the same".

REVISION DETAIL
  https://reviews.facebook.net/D2361

BRANCH
  DPAL-975

                
> Ambiguous table name or column reference message displays when table and column names
are the same
> --------------------------------------------------------------------------------------------------
>
>                 Key: HIVE-2863
>                 URL: https://issues.apache.org/jira/browse/HIVE-2863
>             Project: Hive
>          Issue Type: Bug
>            Reporter: Mauro Cazzari
>            Assignee: Navis
>         Attachments: HIVE-2863.D2361.1.patch
>
>
> Given the following table:
> CREATE TABLE `Y` (`y` DOUBLE) ROW FORMAT DELIMITED FIELDS TERMINATED BY '\001' STORED
AS TEXTFILE;
> The following query fails:
> SELECT  `Y`.`y`  FROM `Y`  WHERE  ( `y` = 1 )
> ERROR: java.sql.SQLException: Query returned non-zero code: 10, cause: FAILED: Error
in
>        semantic analysis: Line 1:36 Ambiguous table alias or column reference '`y`'
> ERROR: Unable to execute Hadoop query.
> ERROR: Prepare error. SQL statement: SELECT  `Y`.`y`  FROM `Y`  WHERE  ( `y` = 1 ).
> The problem goes away if the table and column names do not match.

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