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https://issues.apache.org/jira/browse/SPARK-26659?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16745706#comment-16745706
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Apache Spark commented on SPARK-26659:
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User 'rednaxelafx' has created a pull request for this issue:
https://github.com/apache/spark/pull/23579
> Duplicate cmd.nodeName in the explain output of DataWritingCommandExec
> ----------------------------------------------------------------------
>
> Key: SPARK-26659
> URL: https://issues.apache.org/jira/browse/SPARK-26659
> Project: Spark
> Issue Type: Bug
> Components: SQL
> Affects Versions: 3.0.0
> Reporter: Kris Mok
> Priority: Trivial
>
> {{DataWritingCommandExec}} generates {{cmd.nodeName}} twice in its explain
> output, e.g. when running this query
> {code:none}
> spark.sql("create table foo stored as parquet as select id, id % 10 as cat1,
> id % 20 as cat2 from range(10)")
> {code}
> The query plan's explain output would be:
> {code:none}
> Execute OptimizedCreateHiveTableAsSelectCommand
> OptimizedCreateHiveTableAsSelectCommand [Database:default, TableName: foo,
> InsertIntoHiveTable]
> +- *(1) Project [id#2L, (id#2L % 10) AS cat1#0L, (id#2L % 20) AS cat2#1L]
> +- *(1) Range (0, 10, step=1, splits=8)
> {code}
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