GitHub user chenghao-intel opened a pull request:
https://github.com/apache/spark/pull/4991
[SPARK-6247] [SQL] Certain self joins cannot be analyzed
https://issues.apache.org/jira/browse/SPARK-6247
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/chenghao-intel/spark self_join
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/4991.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 #4991
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commit 840267122f9ffcb63d5c0f2fcd16376610d9f70b
Author: Cheng Hao <[email protected]>
Date: 2015-03-11T14:29:35Z
self join
commit 5d5212d74acf05ce7bb8b8c1128a5852df389a91
Author: Cheng Hao <[email protected]>
Date: 2015-03-12T05:13:55Z
fix the bug of reset the expr id for self join
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