[jira] [Updated] (SPARK-19994) Wrong outputOrdering for right/full outer smj

["Xiao Li (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/SPARK-19994?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Xiao Li updated SPARK-19994:
----------------------------
    Affects Version/s: 2.0.2
                       2.1.0

> Wrong outputOrdering for right/full outer smj
> ---------------------------------------------
>
>                 Key: SPARK-19994
>                 URL: https://issues.apache.org/jira/browse/SPARK-19994
>             Project: Spark
>          Issue Type: Bug
>          Components: SQL
>    Affects Versions: 2.0.2, 2.1.0, 2.2.0
>            Reporter: Zhenhua Wang
>
> For right outer join, values of the left key will be filled with nulls if it can't match the value of the right key, so `nullOrdering` of the left key can't be guaranteed. We should output right key order.
> For full outer join, neither left key nor right key guarantees `nullOrdering`. We should not output any ordering.



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