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https://issues.apache.org/jira/browse/DRILL-3517?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14634309#comment-14634309
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Ted Dunning edited comment on DRILL-3517 at 7/21/15 1:44 AM:
-------------------------------------------------------------
8) My UDF is not a pure function so calling it with the same arguments will
result in different values each time. Drill is only using the result of
calling my function once. How can I fix that?
- Add the isRandom flag to the annotation that defines your class as a
function:
@FunctionTemplate(isRandom = true, ...)
was (Author: tdunning):
8) My UDF is not a pure function so calling it with the same arguments will
result in different values each time. Drill is only using the result of
calling my function once. How can I fix that?
> Add a UDF development FAQ
> -------------------------
>
> Key: DRILL-3517
> URL: https://issues.apache.org/jira/browse/DRILL-3517
> Project: Apache Drill
> Issue Type: Sub-task
> Components: Documentation
> Reporter: Jacques Nadeau
> Assignee: Bridget Bevens
>
> Lets create a UDF FAQ of common issues, log entries, etc so that people know
> what to do when they hit certain issues.
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