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https://issues.apache.org/jira/browse/SPARK-25010?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16567592#comment-16567592
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Apache Spark commented on SPARK-25010:
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User 'viirya' has created a pull request for this issue:
https://github.com/apache/spark/pull/21980
> Rand/Randn should produce different values for each execution in streaming
> query
> --------------------------------------------------------------------------------
>
> Key: SPARK-25010
> URL: https://issues.apache.org/jira/browse/SPARK-25010
> Project: Spark
> Issue Type: Bug
> Components: SQL, Structured Streaming
> Affects Versions: 2.4.0
> Reporter: Liang-Chi Hsieh
> Priority: Major
>
> Like Uuid in SPARK-24896, Rand and Randn expressions now produce the same
> results for each execution in streaming query. It doesn't make too much sense
> for streaming queries. We should make them produce different results as Uuid.
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