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https://issues.apache.org/jira/browse/HIVE-5202?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Work on HIVE-5202 started by Hari Sankar Sivarama Subramaniyan.
> Support for SettableUnionObjectInspector and implement
> isSettable/hasAllFieldsSettable APIs for all data types.
> ---------------------------------------------------------------------------------------------------------------
>
> Key: HIVE-5202
> URL: https://issues.apache.org/jira/browse/HIVE-5202
> Project: Hive
> Issue Type: Bug
> Reporter: Hari Sankar Sivarama Subramaniyan
> Assignee: Hari Sankar Sivarama Subramaniyan
>
> These 3 tasks should be accomplished as part of the following jira:
> 1. The current implementation lacks settable union object inspector. We can
> run into exception inside ObjectInspectorConverters.getConvertedOI() if there
> is a union.
> 2. Implement the following public functions for all datatypes:
> isSettable()-> Perform shallow check to see if an object inspector is
> inherited from settableOI type and
> hasAllFieldsSettable() -> Perform deep check to see if this objectInspector
> and all the underlying object inspectors are inherited from settableOI type.
> 3. ObjectInspectorConverters.getConvertedOI() is inefficient. Once (1) and
> (2) are implemented, add the following check: outputOI.hasAllSettableFields()
> should be added to return outputOI immediately if the object is entirely
> settable in order to prevent redundant object instantiation.
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