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https://issues.apache.org/jira/browse/SPARK-13225?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16070881#comment-16070881
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Ruslan Dautkhanov commented on SPARK-13225:
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Please consider this approach to implement INTERSECT ALL :
https://issues.apache.org/jira/browse/SPARK-21274
(and EXCEPT ALL as well).
> [SQL] Support Intersect All/Distinct
> ------------------------------------
>
> Key: SPARK-13225
> URL: https://issues.apache.org/jira/browse/SPARK-13225
> Project: Spark
> Issue Type: Improvement
> Components: SQL
> Affects Versions: 2.0.0
> Reporter: Xiao Li
>
> In the SQL2003 Syntax, INTERSECT supports both ALL and DISTINCT
> {code}
> <SELECT statement1>
> INTERSECT [ALL | DISTINCT]
> <SELECT statement2>
> {code}
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