GitHub user NarineK opened a pull request:
https://github.com/apache/spark/pull/10162
[SPARK-11250] [SQL] Generate different alias for columns with same name
during join
It's confusing to see columns with same name after joining, and hard to
access them, we could generate different alias for them in joined DataFrame.
see https://github.com/apache/spark/pull/9012/files#r42696855 as example
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/NarineK/spark sparksqljoin
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/10162.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 #10162
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commit 052a1a66c54b7cf6c6a16d45890bde6f7482a3c1
Author: Narine Kokhlikyan <[email protected]>
Date: 2015-12-05T14:12:19Z
Join with suffixes for same column names
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