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https://issues.apache.org/jira/browse/SPARK-8230?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14630575#comment-14630575
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Pedro Rodriguez commented on SPARK-8230:
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I took a look at that code as well as several other examples. I think I have a
good idea of how to start implementing, I will update here with a link to code
once I have something
> complex function: size
> ----------------------
>
> Key: SPARK-8230
> URL: https://issues.apache.org/jira/browse/SPARK-8230
> Project: Spark
> Issue Type: Sub-task
> Components: SQL
> Reporter: Reynold Xin
> Assignee: Cheng Hao
>
> size(Map<K.V>): int
> size(Array<T>): int
> return the number of elements in the map or array.
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