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https://issues.apache.org/jira/browse/SPARK-7246?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14567023#comment-14567023
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Reynold Xin commented on SPARK-7246:
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This is done now with window functions right?
> Rank for DataFrames
> -------------------
>
> Key: SPARK-7246
> URL: https://issues.apache.org/jira/browse/SPARK-7246
> Project: Spark
> Issue Type: Sub-task
> Components: SQL
> Reporter: Xiangrui Meng
>
> `rank` maps a numeric column to a long column with rankings. `rank` should be
> an expression. Where it lives is TBD. One suggestion is `funcs.stat`.
> {code}
> df.select("name", rank("time"))
> {code}
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