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https://issues.apache.org/jira/browse/SPARK-6248?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14366333#comment-14366333
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Yin Huai commented on SPARK-6248:
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https://github.com/apache/spark/pull/5062 will also fix it.
> LocalRelation needs to implement statistics
> -------------------------------------------
>
> Key: SPARK-6248
> URL: https://issues.apache.org/jira/browse/SPARK-6248
> Project: Spark
> Issue Type: Bug
> Components: SQL
> Reporter: Yin Huai
>
> We need to implement statistics for LocalRelation. Otherwise, we cannot join
> a LocalRelation with other tables. The following exception will be thrown.
> {code}
> java.lang.UnsupportedOperationException: LeafNode LocalRelation must
> implement statistics.
> {code}
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