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From "Dylan Guedes (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (SPARK-21030) extend hint syntax to support any expression for Python and R
Date Thu, 08 Mar 2018 22:51:00 GMT

    [ https://issues.apache.org/jira/browse/SPARK-21030?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16392049#comment-16392049
] 

Dylan Guedes commented on SPARK-21030:
--------------------------------------

So, I started, and here is my progress: [https://github.com/DylanGuedes/spark/commit/433c622ae987f2b6e2a9a5bc97a0addc0d938d4b]

Could anyone give me a feedback/hints before I open the PR?

> extend hint syntax to support any expression for Python and R
> -------------------------------------------------------------
>
>                 Key: SPARK-21030
>                 URL: https://issues.apache.org/jira/browse/SPARK-21030
>             Project: Spark
>          Issue Type: Improvement
>          Components: PySpark, SparkR, SQL
>    Affects Versions: 2.2.0
>            Reporter: Felix Cheung
>            Priority: Major
>
> See SPARK-20854
> we need to relax checks in 
> https://github.com/apache/spark/blob/6cbc61d1070584ffbc34b1f53df352c9162f414a/python/pyspark/sql/dataframe.py#L422
> and
> https://github.com/apache/spark/blob/7f203a248f94df6183a4bc4642a3d873171fef29/R/pkg/R/DataFrame.R#L3746



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