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https://issues.apache.org/jira/browse/SPARK-7440?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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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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