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https://issues.apache.org/jira/browse/HIVE-471?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12832120#action_12832120
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Zheng Shao commented on HIVE-471:
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Thanks Paul and Edward.
Edward, please proceed with the annotations and commit when you get time.
> A UDF for simple reflection
> ---------------------------
>
> Key: HIVE-471
> URL: https://issues.apache.org/jira/browse/HIVE-471
> Project: Hadoop Hive
> Issue Type: New Feature
> Components: Query Processor
> Affects Versions: 0.6.0
> Reporter: Edward Capriolo
> Assignee: Edward Capriolo
> Priority: Minor
> Attachments: hive-471-gen.diff, HIVE-471.1.patch, HIVE-471.2.patch,
> hive-471.diff
>
>
> There are many methods in java that are static and have no arguments or can
> be invoked with one simple parameter. More complicated functions will require
> a UDF but one generic one can work as a poor-mans UDF.
> {noformat}
> SELECT reflect("java.lang.String", "valueOf", 1), reflect("java.lang.String",
> "isEmpty")
> FROM src LIMIT 1;
> {noformat}
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