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https://issues.apache.org/jira/browse/PHOENIX-1516?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14243185#comment-14243185
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Lars Hofhansl commented on PHOENIX-1516:
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Thanks [~gabriel.reid].

Yeah I was grappling with that too. In fact the first version just created a 
new Random() in the constructor and then called nextDouble upon each invocation 
of evaluate. Then I realized that's not how most databases work. I can easily 
change it back to that, but we do not have a Determinism setting for that; I 
guess I could set that STATEMENT and then declare it stateful, so that the 
value cannot be cached.


> Add RANDOM built-in function
> ----------------------------
>
>                 Key: PHOENIX-1516
>                 URL: https://issues.apache.org/jira/browse/PHOENIX-1516
>             Project: Phoenix
>          Issue Type: Bug
>            Reporter: Lars Hofhansl
>            Assignee: Lars Hofhansl
>         Attachments: 1516.txt
>
>
> I often find it useful to generate some rows with random data.
> Here's a simple RANDOM() function that we could use for that.



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