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https://issues.apache.org/jira/browse/HIVE-9767?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Daniel Dai updated HIVE-9767:
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Attachment: HIVE-9767.1.patch
> Fixes in Hive UDF to be usable in Pig
> -------------------------------------
>
> Key: HIVE-9767
> URL: https://issues.apache.org/jira/browse/HIVE-9767
> Project: Hive
> Issue Type: Bug
> Components: UDF
> Reporter: Daniel Dai
> Assignee: Daniel Dai
> Attachments: HIVE-9767.1.patch
>
>
> There are issues in UDF never get exposed because the execution path is never
> tested:
> 1. Assume the ObjectInspector to be WritableObjectInspector not the
> ObjectInspector pass to UDF
> 2. Assume the input parameter to be Writable not respecting the
> ObjectInspector pass to UDF
> 3. Assume ConstantObjectInspector to be WritableConstantXXXObjectInspector
> 4. The InputObjectInspector does not match OutputObjectInspector of previous
> stage in UDAF
> 5. The execution path involving convertIfNecessary is never been tested
> Attach a patch to fix those.
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