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https://issues.apache.org/jira/browse/SPARK-8023?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Reynold Xin resolved SPARK-8023.
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Resolution: Fixed
Fix Version/s: 1.4.0
> Random Number Generation inconsistent in projections in DataFrame
> -----------------------------------------------------------------
>
> Key: SPARK-8023
> URL: https://issues.apache.org/jira/browse/SPARK-8023
> Project: Spark
> Issue Type: Bug
> Components: SQL
> Affects Versions: 1.4.0
> Reporter: Burak Yavuz
> Assignee: Yin Huai
> Priority: Blocker
> Fix For: 1.4.0
>
>
> to reproduce (in python):
> {code}
> df = sqlContext.range(0, 10).withColumn('uniform', rand(seed=10))
> df.select('uniform', 'uniform' + 1)
> {code}
> You should see that the first column + 1 doesn't equal the second column.
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