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From "Apache Spark (Jira)" <j...@apache.org>
Subject [jira] [Assigned] (SPARK-34319) Self-join after cogroup applyInPandas fails due to unresolved conflicting attributes
Date Tue, 02 Feb 2021 03:06:00 GMT

     [ https://issues.apache.org/jira/browse/SPARK-34319?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Apache Spark reassigned SPARK-34319:
------------------------------------

    Assignee:     (was: Apache Spark)

> Self-join after cogroup applyInPandas fails due to unresolved conflicting attributes
> ------------------------------------------------------------------------------------
>
>                 Key: SPARK-34319
>                 URL: https://issues.apache.org/jira/browse/SPARK-34319
>             Project: Spark
>          Issue Type: Bug
>          Components: SQL
>    Affects Versions: 3.0.0, 3.0.1, 3.1.0, 3.2.0
>            Reporter: wuyi
>            Priority: Major
>
>  
> {code:java}
> df = spark.createDataFrame([(1, 1)], ("column", "value"))row = df.groupby("ColUmn").cogroup(
>     df.groupby("COLUMN")
> ).applyInPandas(lambda r, l: r + l, "column long, value long")
> row.join(row).show()
> {code}
> {code:java}
> Conflicting attributes: column#163321L,value#163322L
> ;;
> ’Join Inner
> :- FlatMapCoGroupsInPandas [ColUmn#163312L], [COLUMN#163312L], <lambda>(column#163312L,
value#163313L, column#163312L, value#163313L), [column#163321L, value#163322L]
> :  :- Project [ColUmn#163312L, column#163312L, value#163313L]
> :  :  +- LogicalRDD [column#163312L, value#163313L], false
> :  +- Project [COLUMN#163312L, column#163312L, value#163313L]
> :     +- LogicalRDD [column#163312L, value#163313L], false
> +- FlatMapCoGroupsInPandas [ColUmn#163312L], [COLUMN#163312L], <lambda>(column#163312L,
value#163313L, column#163312L, value#163313L), [column#163321L, value#163322L]
>    :- Project [ColUmn#163312L, column#163312L, value#163313L]
>    :  +- LogicalRDD [column#163312L, value#163313L], false
>    +- Project [COLUMN#163312L, column#163312L, value#163313L]
>       +- LogicalRDD [column#163312L, value#163313L], false
> {code}
>  
>  



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