Xiangrui Meng created SPARK-7246:
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Summary: 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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