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Posted to issues@drill.apache.org by "Pritesh Maker (JIRA)" <ji...@apache.org> on 2019/02/26 00:10:00 UTC
[jira] [Updated] (DRILL-345) Addition of a genericUDF/reflectUDF
[ https://issues.apache.org/jira/browse/DRILL-345?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Pritesh Maker updated DRILL-345:
--------------------------------
Fix Version/s: (was: 1.16.0)
> Addition of a genericUDF/reflectUDF
> -----------------------------------
>
> Key: DRILL-345
> URL: https://issues.apache.org/jira/browse/DRILL-345
> Project: Apache Drill
> Issue Type: Improvement
> Affects Versions: 0.5.0
> Reporter: Yash Sharma
> Assignee: Mehant Baid
> Priority: Major
> Fix For: Future
>
> Attachments: DRILL-345.patch
>
>
> Add genericUDF/reflectUDF that will allow users to use methods from Java directly, instead having to write a UDF wrapper on top of existing Java method.
> *Usage:*
> {code:sql}
> SELECT reflect("java.lang.String", "valueOf", 1),
> reflect("java.lang.String", "isEmpty"),
> reflect("java.lang.Math", "max", 2, 3),
> reflect("java.lang.Math", "min", 2, 3),
> reflect("java.lang.Math", "round", 2.5),
> reflect("java.lang.Math", "exp", 1.0),
> reflect("java.lang.Math", "floor", 1.9)
> FROM src LIMIT 1;
> 1 true 3 2 3 2.7182818284590455 1.0
> {code}
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