Cheng Lian created SPARK-13561:
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Summary: Migrate Dataset untyped aggregations
Key: SPARK-13561
URL: https://issues.apache.org/jira/browse/SPARK-13561
Project: Spark
Issue Type: Sub-task
Components: SQL
Affects Versions: 2.0.0
Reporter: Cheng Lian
Assignee: Cheng Lian
Should migrate the following methods and corresponding tests to Dataset:
{noformat}
- Aggregations
- Typed aggregations (depends on GroupedDataset)
- groupBy[K: Encoder](T => K): GroupedDataset[K, T] // rename to groupByKey
- groupBy[K](MapFunction[T, K], Encoder[K]): GroupedDataset[K, T] // Rename
to groupByKey
- count
{noformat}
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