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From "Weichen Xu (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (SPARK-17046) prevent user using dataframe.select with empty param list
Date Sat, 13 Aug 2016 09:14:22 GMT

     [ https://issues.apache.org/jira/browse/SPARK-17046?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Weichen Xu updated SPARK-17046:
-------------------------------
    Description: 
currently, we can use:

dataframe.select() 

which select nothing.

it is illegal and we should prevent it in API level.

  was:
currently, we can use:

dataframe.select() 

which select nothing.

it is illegal and we should abandon it in API level.


> 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
>            Assignee: Apache Spark
>   Original Estimate: 24h
>  Remaining Estimate: 24h
>
> currently, we can use:
> dataframe.select() 
> which select nothing.
> it is illegal and we should prevent it in API level.



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