GitHub user viirya opened a pull request:
https://github.com/apache/spark/pull/8600
[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.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/viirya/spark-1 usingcolumns_df
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/8600.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #8600
----
commit 5ab4846852723d1c3505223e18c41dbf7bc40fa0
Author: Liang-Chi Hsieh <[email protected]>
Date: 2015-09-04T09:43:35Z
Support to specify join type when calling join with usingColumns.
commit 8ff97ede7250e032c88cf20a4e95f3e1e1cd416f
Author: Liang-Chi Hsieh <[email protected]>
Date: 2015-09-04T10:06:35Z
Add unit test.
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