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Posted to issues@spark.apache.org by "Xiao Li (JIRA)" <ji...@apache.org> on 2016/06/18 05:19:05 UTC

[jira] [Updated] (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:all-tabpanel ]

Xiao Li updated SPARK-16041:
----------------------------
    Summary: Disallow Duplicate Columns in `partitionBy`, `blockBy` and `sortBy` in DataFrameWriter  (was: Disallow Duplicate Columns in `partitionBy`, `blockBy` and `sortBy` )

> 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`. 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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