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https://issues.apache.org/jira/browse/SPARK-34319?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Hyukjin Kwon resolved SPARK-34319.
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Fix Version/s: 3.1.2
3.0.2
Resolution: Fixed
Issue resolved by pull request 31429
[https://github.com/apache/spark/pull/31429]
> 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
> Assignee: wuyi
> Priority: Major
> Fix For: 3.0.2, 3.1.2
>
>
>
> {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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