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From "Phabricator (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-2477) Use name of original expression for name of CAST output
Date Thu, 06 Dec 2012 04:04:59 GMT

    [ https://issues.apache.org/jira/browse/HIVE-2477?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13511082#comment-13511082
] 

Phabricator commented on HIVE-2477:
-----------------------------------

njain has commented on the revision "HIVE-2477 [jira] Use name of original expression for
name of CAST output".

  minor comments

INLINE COMMENTS
  ql/src/test/queries/clientpositive/alias_casted_column.q:1 you forgot to add the output
file for this
  ql/src/java/org/apache/hadoop/hive/ql/exec/FunctionRegistry.java:1185 do you want to add
a indirection ?

  something like:

  isOpPreserveInputName() -- which can call isOpCast (isOpCast can be private).
  and the caller (SemanticAnalyzer can call isOpPreserveName). If in future there
  is another function with this requirement, it would be easy.

REVISION DETAIL
  https://reviews.facebook.net/D7161

To: JIRA, navis
Cc: njain

                
> Use name of original expression for name of CAST output
> -------------------------------------------------------
>
>                 Key: HIVE-2477
>                 URL: https://issues.apache.org/jira/browse/HIVE-2477
>             Project: Hive
>          Issue Type: Improvement
>            Reporter: Adam Kramer
>            Assignee: Navis
>            Priority: Minor
>         Attachments: HIVE-2477.1.patch.txt, HIVE-2477.D7161.1.patch
>
>
> CAST(foo AS INT)
> should, by default, consider itself a column named foo if unspecified/unaliased.

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