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Posted to issues@spark.apache.org by "Reynold Xin (JIRA)" <ji...@apache.org> on 2015/06/04 09:41:38 UTC
[jira] [Updated] (SPARK-7440) Remove distinct operator in favor of
Aggregate
[ https://issues.apache.org/jira/browse/SPARK-7440?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Reynold Xin updated SPARK-7440:
-------------------------------
Description: We can just rewrite distinct using groupby (i.e. aggregate operator). (was: We can either just rewrite distinct using groupby (i.e. aggregate operator), or rewrite it to use the lower level hash/sort.
)
> Remove distinct operator in favor of Aggregate
> ----------------------------------------------
>
> Key: SPARK-7440
> URL: https://issues.apache.org/jira/browse/SPARK-7440
> Project: Spark
> Issue Type: New Feature
> Components: SQL
> Reporter: Reynold Xin
>
> We can just rewrite distinct using groupby (i.e. aggregate operator).
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