Reynold Xin created SPARK-14088:
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Summary: Some Dataset API touch-up
Key: SPARK-14088
URL: https://issues.apache.org/jira/browse/SPARK-14088
Project: Spark
Issue Type: Sub-task
Components: SQL
Reporter: Reynold Xin
Assignee: Reynold Xin
1. Deprecated unionAll. It is pretty confusing to have both "union" and
"unionAll" when the two do the same thing in Spark but are different in SQL.
2. Rename reduce in KeyValueGroupedDataset to reduceGroups so it is more
consistent with rest of the functions in KeyValueGroupedDataset. Also makes it
more obvious what "reduce" and "reduceGroups" mean. Previously it was confusing
because it could be reducing a Dataset, or just reducing groups.
3. Added a "name" function, which is more natural to name columns than "as" for
non-SQL users.
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