GitHub user cloud-fan opened a pull request:
https://github.com/apache/spark/pull/4904
[SPARK-6145][SQL] fix ORDER BY on nested fields
`LogicalPlan` will not only produce `Attribute`, but also "GetField chain".
So in `ResolveSortReferences`, after resolve the `ordering` expressions, we
should not just collect the `Attribute` results, but also `Attribute` at the
bottom of "GetField chain".
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/cloud-fan/spark 6145
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/4904.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 #4904
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commit 3eedbfc04d29af8468b91126d86140a30c03f0ac
Author: Wenchen Fan <[email protected]>
Date: 2015-03-05T07:52:45Z
fix 6145
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