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https://issues.apache.org/jira/browse/SPARK-19480?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Xiao Li updated SPARK-19480:
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Fix Version/s: 2.4.0
> Higher order functions in SQL
> -----------------------------
>
> Key: SPARK-19480
> URL: https://issues.apache.org/jira/browse/SPARK-19480
> Project: Spark
> Issue Type: New Feature
> Components: SQL
> Affects Versions: 2.2.0
> Reporter: Reynold Xin
> Priority: Major
> Fix For: 2.4.0
>
>
> To enable users to manipulate nested data types, which is common in ETL jobs
> with deeply nested JSON fields. Operations should include map, filter, reduce
> on arrays/maps.
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