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https://issues.apache.org/jira/browse/SPARK-8599?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Sean Owen updated SPARK-8599:
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Component/s: SQL
> Use a Random operator to handle Random distribution generating expressions
> --------------------------------------------------------------------------
>
> Key: SPARK-8599
> URL: https://issues.apache.org/jira/browse/SPARK-8599
> Project: Spark
> Issue Type: Improvement
> Components: SQL
> Affects Versions: 1.4.0
> Reporter: Yin Huai
> Priority: Critical
>
> Right now, we are using expressions for Random distribution generating
> expressions. But, we have to track them in lots of places in the optimizer to
> handle them carefully. Otherwise, these expressions will be treated as
> stateless expressions and have unexpected behaviors (e.g. SPARK-8023).
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