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