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[SPARK-7990][SQL] Add methods to facilitate equi-join on multiple joining keys
JIRA: https://issues.apache.org/jira/browse/SPARK-7990 Author: Liang-Chi Hsieh <viirya@gmail.com> Closes #6616 from viirya/multi_keys_equi_join and squashes the following commits: cd5c888 [Liang-Chi Hsieh] Import reduce in python3. c43722c [Liang-Chi Hsieh] For comments. 0400e89 [Liang-Chi Hsieh] Fix scala style. cc90015 [Liang-Chi Hsieh] Add methods to facilitate equi-join on multiple joining keys.
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- python/pyspark/sql/dataframe.py 32 additions, 13 deletionspython/pyspark/sql/dataframe.py
- sql/core/src/main/scala/org/apache/spark/sql/DataFrame.scala 34 additions, 6 deletionssql/core/src/main/scala/org/apache/spark/sql/DataFrame.scala
- sql/core/src/test/scala/org/apache/spark/sql/DataFrameJoinSuite.scala 9 additions, 0 deletions.../test/scala/org/apache/spark/sql/DataFrameJoinSuite.scala
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