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Posted to issues@spark.apache.org by "Apache Spark (JIRA)" <ji...@apache.org> on 2016/06/18 05:21:05 UTC
[jira] [Commented] (SPARK-16041) Disallow Duplicate Columns in
`partitionBy`, `blockBy` and `sortBy` in DataFrameWriter
[ https://issues.apache.org/jira/browse/SPARK-16041?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15337552#comment-15337552 ]
Apache Spark commented on SPARK-16041:
--------------------------------------
User 'gatorsmile' has created a pull request for this issue:
https://github.com/apache/spark/pull/13756
> Disallow Duplicate Columns in `partitionBy`, `blockBy` and `sortBy` in DataFrameWriter
> --------------------------------------------------------------------------------------
>
> Key: SPARK-16041
> URL: https://issues.apache.org/jira/browse/SPARK-16041
> Project: Spark
> Issue Type: Bug
> Components: SQL
> Affects Versions: 2.0.0
> Reporter: Xiao Li
>
> Duplicate columns are not allowed in `partitionBy`, `blockBy`, `sortBy` in DataFrameWriter. The duplicate columns could cause unpredictable results. For example, the resolution failure.
> We should detect the duplicates and issue exceptions with appropriate messages.
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