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https://issues.apache.org/jira/browse/SPARK-9450?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Josh Rosen resolved SPARK-9450.
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Resolution: Invalid
I'm going to resolve this as "Invalid", since it turns out that we need to
return an Iterable of Rows in order to support full outer join.
> HashedRelation.get() could return an Iterator[Row] instead of Seq[Row]
> ----------------------------------------------------------------------
>
> Key: SPARK-9450
> URL: https://issues.apache.org/jira/browse/SPARK-9450
> Project: Spark
> Issue Type: Improvement
> Components: SQL
> Reporter: Josh Rosen
> Assignee: Andrew Or
>
> While looking through some HashedRelation code, [~andrewor14] and I noticed
> that it looks like HashedRelation.get() could return an Iterator of rows
> instead of a sequence. If we do this, we can reduce object allocation in
> UnsafeHashedRelation.get().
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