GitHub user cloud-fan opened a pull request:
https://github.com/apache/spark/pull/21932
[SPARK-24979][SQL] add AnalysisHelper#resolveOperatorsUp
## What changes were proposed in this pull request?
This is a followup of https://github.com/apache/spark/pull/21822
Similar to `TreeNode`, `AnalysisHelper` should also provide 3 versions of
transformations: `resolveOperatorsUp`, `resolveOperatorsDown` and
`resolveOperators`.
This PR adds the missing `resolveOperatorsUp`.
## How was this patch tested?
existing tests.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/cloud-fan/spark follow
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/21932.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 #21932
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commit 1f2446869f1176ae6564d4edcd9d7cc92d14fa8c
Author: Wenchen Fan <wenchen@...>
Date: 2018-07-27T14:58:21Z
analysis barrier followup
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