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Posted to issues@drill.apache.org by "James Turton (Jira)" <ji...@apache.org> on 2021/03/25 08:31:00 UTC

[jira] [Commented] (DRILL-7886) Add new ValueHolder to Apache Drill

    [ https://issues.apache.org/jira/browse/DRILL-7886?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17308484#comment-17308484 ] 

James Turton commented on DRILL-7886:
-------------------------------------

Hi [~fields1631], while you are still at the "my question is: is it possible to..." stage, please use the mailing list or Slack channels.  Once you've learned more there may or not result a viable enhancement or bug report ticket to be filed.

> Add new ValueHolder to Apache Drill
> -----------------------------------
>
>                 Key: DRILL-7886
>                 URL: https://issues.apache.org/jira/browse/DRILL-7886
>             Project: Apache Drill
>          Issue Type: Improvement
>          Components: Functions - Drill
>    Affects Versions: 1.18.0
>            Reporter: ye tian
>            Priority: Major
>             Fix For: 1.18.0
>
>
> Hi I'm developing Apache Drill UDFs. I need a self-defined class in the workspace of my aggregate function. But UDAF's workspace does not support variables other than ValueHolders. So my question is: is it able to write a ValueHolders for self-defined classes? Any instructions are also welcome.



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