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https://issues.apache.org/jira/browse/FLINK-6237?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15972356#comment-15972356
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ASF GitHub Bot commented on FLINK-6237:
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Github user twalthr commented on the issue:
https://github.com/apache/flink/pull/3660
Unfortunately, I found two issues that need to be fixed before we can merge
this. According to SQL the seed and bound can also be defined by an other
column. Right now `rand(f7)` leads to a compiler exception. We should check if
the arguments are constant and only then move it to the reusable area.
> support RAND and RAND_INTEGER on Table API & SQL
> ------------------------------------------------
>
> Key: FLINK-6237
> URL: https://issues.apache.org/jira/browse/FLINK-6237
> Project: Flink
> Issue Type: New Feature
> Components: Table API & SQL
> Reporter: godfrey he
> Assignee: godfrey he
>
> support RAND and RAND_INTEGER with and without seed on on Table API & SQL.
> like:
> RAND([seed]),
> RAND_INTEGER([seed, ] bound)
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