GitHub user clockfly opened a pull request:
https://github.com/apache/spark/pull/14494
[SPARK-16898][SQL] Adds argument type information for typed logical plan
like MapElements, TypedFilter, and AppendColumn
## What changes were proposed in this pull request?
This PR adds argument type information for typed logical plan like
MapElements, TypedFilter, and AppendColumn, so that we can use these info in
customized optimizer rule.
## How was this patch tested?
Existing test.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/clockfly/spark
add_more_info_for_typed_operator
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/14494.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 #14494
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commit c15b46c687e598a5ef6930def015432b5525af2a
Author: Sean Zhong <[email protected]>
Date: 2016-07-11T23:45:43Z
fix SPARK-16898
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