hadoop-hive-dev mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From "Edward Capriolo (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HIVE-471) A UDF for simple reflection
Date Wed, 25 Aug 2010 20:09:17 GMT

     [ https://issues.apache.org/jira/browse/HIVE-471?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Edward Capriolo updated HIVE-471:
---------------------------------

               Status: Patch Available  (was: Open)
    Affects Version/s: 0.6.0
                           (was: 0.5.1)
        Fix Version/s: 0.7.0

> 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
>             Fix For: 0.7.0
>
>         Attachments: hive-471-gen.diff, HIVE-471.1.patch, HIVE-471.2.patch, HIVE-471.3.patch,
HIVE-471.4.patch, HIVE-471.5.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}

-- 
This message is automatically generated by JIRA.
-
You can reply to this email to add a comment to the issue online.


Mime
View raw message