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Posted to issues@spark.apache.org by "Zhichao Zhang (Jira)" <ji...@apache.org> on 2021/01/29 03:09:00 UTC

[jira] [Updated] (SPARK-34283) all adjacent 'Union' operators into a single 'Union' when using 'Dataset.union.distinct'

     [ https://issues.apache.org/jira/browse/SPARK-34283?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Zhichao  Zhang updated SPARK-34283:
-----------------------------------
    Summary: all adjacent 'Union' operators into a single 'Union' when using 'Dataset.union.distinct'  (was: Combine 'Deduplicate(columns, Union)' operators into a single union)

> all adjacent 'Union' operators into a single 'Union' when using 'Dataset.union.distinct'
> ----------------------------------------------------------------------------------------
>
>                 Key: SPARK-34283
>                 URL: https://issues.apache.org/jira/browse/SPARK-34283
>             Project: Spark
>          Issue Type: Bug
>          Components: SQL
>    Affects Versions: 2.4.7, 3.0.0, 3.0.1
>            Reporter: Zhichao  Zhang
>            Priority: Minor
>




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