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https://issues.apache.org/jira/browse/SPARK-17046?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15419855#comment-15419855
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Apache Spark commented on SPARK-17046:
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User 'WeichenXu123' has created a pull request for this issue:
https://github.com/apache/spark/pull/14629
> prevent user using dataframe.select with empty param list
> ---------------------------------------------------------
>
> Key: SPARK-17046
> URL: https://issues.apache.org/jira/browse/SPARK-17046
> Project: Spark
> Issue Type: Improvement
> Components: SQL
> Affects Versions: 2.1.0
> Reporter: Weichen Xu
> Original Estimate: 24h
> Remaining Estimate: 24h
>
> currently, we can use:
> dataframe.select()
> which select nothing.
> it is illegal and we should abandon it in API level.
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