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https://issues.apache.org/jira/browse/SPARK-8217?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Reynold Xin updated SPARK-8217:
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Assignee: Adrian Wang
> math function: log2
> -------------------
>
> Key: SPARK-8217
> URL: https://issues.apache.org/jira/browse/SPARK-8217
> Project: Spark
> Issue Type: Sub-task
> Components: SQL
> Reporter: Reynold Xin
> Assignee: Adrian Wang
>
> log2(double a): double
> Returns the base-2 logarithm of the argument a.
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