Xiang Gao created SPARK-17185:
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Summary: Unify naming of API for RDD and Dataset
Key: SPARK-17185
URL: https://issues.apache.org/jira/browse/SPARK-17185
Project: Spark
Issue Type: Improvement
Components: Spark Core, SQL
Reporter: Xiang Gao
In RDD, groupByKey is used to generate a key-list pair and aggregateByKey is
used to do aggregation.
In Dataset, aggregation is done by groupBy and groupByKey, and no API for
key-list pair is provided.
The same name "groupBy" is designed to do different things and this might be be
confusing. Besides, it would be more convenient to provide API to generate
key-list pair for Dataset.
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