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From "Zheng Shao (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HIVE-405) Cleanup operator initialization
Date Fri, 17 Jul 2009 03:44:14 GMT

     [ https://issues.apache.org/jira/browse/HIVE-405?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Zheng Shao updated HIVE-405:
----------------------------

       Resolution: Fixed
    Fix Version/s: 0.4.0
     Release Note: HIVE-405. Cleanup operator initialization. (Prasad Chakka via zshao)
     Hadoop Flags: [Reviewed]
           Status: Resolved  (was: Patch Available)

Committed. Thanks Prasad.

> Cleanup operator initialization
> -------------------------------
>
>                 Key: HIVE-405
>                 URL: https://issues.apache.org/jira/browse/HIVE-405
>             Project: Hadoop Hive
>          Issue Type: Bug
>          Components: Query Processor
>    Affects Versions: 0.4.0
>            Reporter: Zheng Shao
>            Assignee: Prasad Chakka
>            Priority: Critical
>             Fix For: 0.4.0
>
>         Attachments: hive-405.6.patch, hive-405.7.patch, hive-405.9.patch, hive-405.patch
>
>
> We are always passing the same ObjectInspector, so there is no need to pass it again
and again in forward.
> Also there is a problem that can ONLY be fixed by passing ObjectInspector in init: Outer
Joins - Outer Joins may not be able to get ObjectInspectors for all inputs, as a result, there
is no way to construct an output ObjectInspector based on the inputs. Currently we have hard-coded
code that assumes joins are always outputting Strings, which did break but was hidden by the
old framework (because we do toString() when serializing the output, and toString() is defined
for all Java Classes).

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