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https://issues.apache.org/jira/browse/SPARK-28264?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Hyukjin Kwon resolved SPARK-28264.
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Fix Version/s: 3.0.0
Resolution: Fixed
Issue resolved by pull request 27165
[https://github.com/apache/spark/pull/27165]
> Revisiting Python / pandas UDF
> ------------------------------
>
> Key: SPARK-28264
> URL: https://issues.apache.org/jira/browse/SPARK-28264
> Project: Spark
> Issue Type: Improvement
> Components: PySpark, SQL
> Affects Versions: 3.0.0
> Reporter: Reynold Xin
> Assignee: Hyukjin Kwon
> Priority: Blocker
> Fix For: 3.0.0
>
>
> In the past two years, the pandas UDFs are perhaps the most important changes
> to Spark for Python data science. However, these functionalities have evolved
> organically, leading to some inconsistencies and confusions among users. This
> document revisits UDF definition and naming, as a result of discussions among
> Xiangrui, Li Jin, Hyukjin, and Reynold.
> -See document here:
> [https://docs.google.com/document/d/10Pkl-rqygGao2xQf6sddt0b-4FYK4g8qr_bXLKTL65A/edit#|https://docs.google.com/document/d/10Pkl-rqygGao2xQf6sddt0b-4FYK4g8qr_bXLKTL65A/edit]-
> New proposal:
> https://docs.google.com/document/d/1-kV0FS_LF2zvaRh_GhkV32Uqksm_Sq8SvnBBmRyxm30/edit?usp=sharing
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