Reynold Xin created SPARK-19480:
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Summary: 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
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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