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Commit 1fcefef0 authored by Liang-Chi Hsieh's avatar Liang-Chi Hsieh Committed by Reynold Xin
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[SPARK-10446][SQL] Support to specify join type when calling join with usingColumns 

JIRA: https://issues.apache.org/jira/browse/SPARK-10446

Currently the method `join(right: DataFrame, usingColumns: Seq[String])` only supports inner join. It is more convenient to have it support other join types.

Author: Liang-Chi Hsieh <viirya@appier.com>

Closes #8600 from viirya/usingcolumns_df.
parent 781b21ba
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